./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_1-2.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_c119488b-269d-44d6-954c-e2463963e535/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_1-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/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 6cd948af0e0b6c8603db03ff6e3dfbac759cb557 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 19:49:12,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 19:49:12,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 19:49:12,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 19:49:12,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 19:49:12,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 19:49:12,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 19:49:12,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 19:49:12,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 19:49:12,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 19:49:12,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 19:49:12,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 19:49:12,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 19:49:12,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 19:49:12,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 19:49:12,391 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 19:49:12,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 19:49:12,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 19:49:12,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 19:49:12,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 19:49:12,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 19:49:12,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 19:49:12,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 19:49:12,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 19:49:12,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 19:49:12,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 19:49:12,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 19:49:12,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 19:49:12,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 19:49:12,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 19:49:12,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 19:49:12,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 19:49:12,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 19:49:12,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 19:49:12,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 19:49:12,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 19:49:12,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 19:49:12,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 19:49:12,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 19:49:12,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 19:49:12,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 19:49:12,422 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 19:49:12,440 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 19:49:12,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 19:49:12,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 19:49:12,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 19:49:12,443 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 19:49:12,443 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 19:49:12,443 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 19:49:12,444 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 19:49:12,444 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 19:49:12,444 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 19:49:12,445 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 19:49:12,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 19:49:12,445 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 19:49:12,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 19:49:12,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 19:49:12,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 19:49:12,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 19:49:12,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 19:49:12,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 19:49:12,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 19:49:12,447 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 19:49:12,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 19:49:12,448 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 19:49:12,448 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 19:49:12,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 19:49:12,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 19:49:12,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 19:49:12,449 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 19:49:12,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 19:49:12,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 19:49:12,450 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 19:49:12,452 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 19:49:12,453 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_c119488b-269d-44d6-954c-e2463963e535/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 -> 6cd948af0e0b6c8603db03ff6e3dfbac759cb557 [2019-11-15 19:49:12,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 19:49:12,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 19:49:12,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 19:49:12,513 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 19:49:12,514 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 19:49:12,514 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/bin/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_1-2.c [2019-11-15 19:49:12,569 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/bin/uautomizer/data/5c3878f86/002c884245224770bc0f4720f43588e1/FLAGfdeaf1fae [2019-11-15 19:49:12,916 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 19:49:12,917 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/sv-benchmarks/c/loop-acceleration/underapprox_1-2.c [2019-11-15 19:49:12,922 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/bin/uautomizer/data/5c3878f86/002c884245224770bc0f4720f43588e1/FLAGfdeaf1fae [2019-11-15 19:49:13,359 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/bin/uautomizer/data/5c3878f86/002c884245224770bc0f4720f43588e1 [2019-11-15 19:49:13,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 19:49:13,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 19:49:13,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 19:49:13,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 19:49:13,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 19:49:13,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 07:49:13" (1/1) ... [2019-11-15 19:49:13,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36c87219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:49:13, skipping insertion in model container [2019-11-15 19:49:13,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 07:49:13" (1/1) ... [2019-11-15 19:49:13,377 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 19:49:13,389 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 19:49:13,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 19:49:13,567 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 19:49:13,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 19:49:13,591 INFO L192 MainTranslator]: Completed translation [2019-11-15 19:49:13,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:49:13 WrapperNode [2019-11-15 19:49:13,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 19:49:13,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 19:49:13,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 19:49:13,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 19:49:13,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:49:13" (1/1) ... [2019-11-15 19:49:13,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:49:13" (1/1) ... [2019-11-15 19:49:13,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 19:49:13,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 19:49:13,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 19:49:13,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 19:49:13,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:49:13" (1/1) ... [2019-11-15 19:49:13,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:49:13" (1/1) ... [2019-11-15 19:49:13,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:49:13" (1/1) ... [2019-11-15 19:49:13,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:49:13" (1/1) ... [2019-11-15 19:49:13,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:49:13" (1/1) ... [2019-11-15 19:49:13,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:49:13" (1/1) ... [2019-11-15 19:49:13,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:49:13" (1/1) ... [2019-11-15 19:49:13,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 19:49:13,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 19:49:13,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 19:49:13,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 19:49:13,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:49:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/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 19:49:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 19:49:13,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 19:49:13,877 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 19:49:13,877 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 19:49:13,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:49:13 BoogieIcfgContainer [2019-11-15 19:49:13,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 19:49:13,880 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 19:49:13,880 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 19:49:13,883 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 19:49:13,884 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 19:49:13,884 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 07:49:13" (1/3) ... [2019-11-15 19:49:13,885 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bfbba08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 07:49:13, skipping insertion in model container [2019-11-15 19:49:13,885 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 19:49:13,885 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:49:13" (2/3) ... [2019-11-15 19:49:13,886 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bfbba08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 07:49:13, skipping insertion in model container [2019-11-15 19:49:13,886 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 19:49:13,886 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:49:13" (3/3) ... [2019-11-15 19:49:13,887 INFO L371 chiAutomizerObserver]: Analyzing ICFG underapprox_1-2.c [2019-11-15 19:49:13,927 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 19:49:13,928 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 19:49:13,928 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 19:49:13,928 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 19:49:13,928 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 19:49:13,928 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 19:49:13,930 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 19:49:13,930 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 19:49:13,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-15 19:49:13,974 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-15 19:49:13,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 19:49:13,974 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 19:49:13,980 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 19:49:13,980 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-15 19:49:13,980 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 19:49:13,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-15 19:49:13,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-15 19:49:13,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 19:49:13,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 19:49:13,982 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 19:49:13,982 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-15 19:49:13,990 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true [2019-11-15 19:49:13,990 INFO L793 eck$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 19:49:13,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:49:13,996 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-15 19:49:14,003 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:49:14,004 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142002400] [2019-11-15 19:49:14,004 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:49:14,007 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:49:14,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:49:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:49:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:49:14,098 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:49:14,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:49:14,100 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-11-15 19:49:14,100 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:49:14,100 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267062358] [2019-11-15 19:49:14,101 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:49:14,101 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:49:14,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:49:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:49:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:49:14,126 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:49:14,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:49:14,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-15 19:49:14,128 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:49:14,129 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789696474] [2019-11-15 19:49:14,129 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:49:14,129 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:49:14,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:49:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:49:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:49:14,151 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:49:14,283 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 19:49:14,284 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 19:49:14,284 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 19:49:14,284 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 19:49:14,284 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 19:49:14,284 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:49:14,284 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 19:49:14,285 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 19:49:14,285 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Loop [2019-11-15 19:49:14,285 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 19:49:14,285 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 19:49:14,304 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 19:49:14,312 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 19:49:14,315 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 19:49:14,428 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 19:49:14,429 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:49:14,443 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:49:14,443 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 19:49:14,450 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 19:49:14,450 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/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 19:49:14,458 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:49:14,458 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 19:49:14,462 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 19:49:14,462 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_c119488b-269d-44d6-954c-e2463963e535/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 19:49:14,478 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:49:14,478 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/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 19:49:14,490 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 19:49:14,490 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 19:49:14,503 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 19:49:14,505 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 19:49:14,505 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 19:49:14,505 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 19:49:14,505 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 19:49:14,505 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 19:49:14,506 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:49:14,506 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 19:49:14,506 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 19:49:14,506 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Loop [2019-11-15 19:49:14,506 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 19:49:14,506 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 19:49:14,508 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 19:49:14,511 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 19:49:14,514 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 19:49:14,630 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 19:49:14,634 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 19:49:14,636 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 19:49:14,637 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:14,637 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,638 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,638 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,638 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:49:14,640 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:49:14,640 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,644 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 19:49:14,644 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:14,661 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,661 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,661 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,661 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:49:14,662 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:49:14,662 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,663 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,663 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 19:49:14,664 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:14,664 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,664 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,664 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,664 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:49:14,665 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:49:14,665 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,674 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,674 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 19:49:14,674 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 19:49:14,675 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:14,675 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,676 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,676 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,676 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:14,693 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:14,693 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,695 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,696 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 19:49:14,696 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:14,696 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,697 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,697 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,697 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:14,698 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:14,698 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,699 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,699 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 19:49:14,700 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:14,700 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,700 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,701 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,701 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:14,702 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:14,702 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,731 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,731 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 19:49:14,732 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 19:49:14,732 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:14,732 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,733 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,733 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,733 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:14,734 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:14,734 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,736 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,736 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 19:49:14,737 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:14,737 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,737 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,738 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,738 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:14,739 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:14,739 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,741 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 19:49:14,741 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:14,741 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,742 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,742 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,742 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:14,744 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:14,744 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,762 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,763 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 19:49:14,763 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 19:49:14,765 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:14,765 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,765 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,765 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,765 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:14,767 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:14,767 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,769 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,770 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 19:49:14,770 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:14,770 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,771 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,771 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,771 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:14,772 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:14,772 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,774 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,774 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 19:49:14,775 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:14,775 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,775 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,775 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,776 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:14,778 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:14,778 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,801 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,801 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 19:49:14,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:49:14,802 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:14,803 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:14,803 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,803 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,803 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,803 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:14,807 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:14,807 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,811 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 19:49:14,812 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:14,813 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:14,813 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,813 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,813 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,813 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:14,815 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:14,815 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,817 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,817 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 19:49:14,818 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:14,818 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:14,818 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,818 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,818 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,819 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:14,822 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:14,822 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,879 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,879 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 19:49:14,879 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 19:49:14,881 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:14,881 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:49:14,881 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,881 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,881 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,881 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:14,888 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:14,888 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,907 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,908 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 19:49:14,925 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:14,925 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:49:14,925 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,925 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,926 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,926 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:14,928 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:14,928 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:14,931 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:14,932 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 19:49:14,933 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:14,933 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:49:14,933 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:14,933 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:14,933 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:14,933 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:14,937 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:14,937 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,012 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,012 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 19:49:15,013 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 19:49:15,015 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:15,015 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:15,015 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,015 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,015 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,015 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:15,037 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:15,037 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,040 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,041 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 19:49:15,041 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:15,042 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:15,042 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,042 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,042 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,042 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:15,046 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:15,046 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,047 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,047 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 19:49:15,048 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:15,048 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:15,048 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,049 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,049 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,049 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:15,053 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:15,054 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,135 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 19:49:15,135 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 19:49:15,136 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:15,136 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:15,136 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,137 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,137 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,137 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:15,138 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:15,138 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,145 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,145 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 19:49:15,145 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:15,146 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:15,146 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,146 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,146 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,146 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:15,147 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:15,147 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,160 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 19:49:15,161 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:15,162 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:15,162 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,162 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,162 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,163 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:15,165 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:15,165 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,191 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,191 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 19:49:15,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:49:15,193 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:15,193 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:15,193 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,194 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,194 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,194 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:49:15,198 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:49:15,198 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,227 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,227 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 19:49:15,228 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:15,228 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:15,228 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,228 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,228 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,229 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:49:15,230 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:49:15,230 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,242 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,243 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 19:49:15,244 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:15,244 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:15,244 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,246 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,246 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,246 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:49:15,249 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:49:15,249 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,274 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,306 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 19:49:15,307 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 19:49:15,307 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 19:49:15,307 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 19:49:15,307 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 19:49:15,307 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:49:15,307 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 19:49:15,307 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 19:49:15,308 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Lasso [2019-11-15 19:49:15,308 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 19:49:15,308 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 19:49:15,309 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 19:49:15,313 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 19:49:15,315 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 19:49:15,324 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 19:49:15,422 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 19:49:15,422 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/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 19:49:15,435 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:49:15,435 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:49:15,439 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 19:49:15,439 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_c119488b-269d-44d6-954c-e2463963e535/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) [2019-11-15 19:49:15,453 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:49:15,453 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:49:15,457 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 19:49:15,457 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_c119488b-269d-44d6-954c-e2463963e535/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 19:49:15,469 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:49:15,469 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:49:15,481 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 19:49:15,481 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 19:49:15,496 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 19:49:15,498 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 19:49:15,498 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 19:49:15,498 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 19:49:15,498 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 19:49:15,498 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 19:49:15,498 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:49:15,498 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 19:49:15,498 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 19:49:15,499 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Lasso [2019-11-15 19:49:15,499 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 19:49:15,499 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 19:49:15,500 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 19:49:15,502 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 19:49:15,517 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 19:49:15,522 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 19:49:15,612 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 19:49:15,612 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 19:49:15,612 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 19:49:15,613 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:15,613 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,614 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,614 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,614 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:49:15,614 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:49:15,614 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,615 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 19:49:15,616 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:15,616 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,617 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,617 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:49:15,618 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:49:15,618 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 19:49:15,629 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,629 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 19:49:15,630 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:15,630 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,630 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,631 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:49:15,632 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:49:15,632 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 19:49:15,639 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,639 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 19:49:15,640 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:15,640 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,640 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,641 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,641 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:49:15,641 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:49:15,641 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,642 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 19:49:15,642 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 19:49:15,643 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:15,643 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,643 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,644 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,644 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:15,644 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:15,644 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,645 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,645 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 19:49:15,646 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:15,646 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,646 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,646 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:15,648 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 19:49:15,648 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 19:49:15,658 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,659 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 19:49:15,659 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:15,660 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,662 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,663 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:15,664 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 19:49:15,665 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 19:49:15,697 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,697 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 19:49:15,698 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:15,698 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,698 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,698 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,698 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:15,699 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:15,699 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,700 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,700 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 19:49:15,700 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 19:49:15,701 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:15,701 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,701 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,701 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,701 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:15,702 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:15,702 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,702 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,703 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 19:49:15,703 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:15,703 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,704 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,704 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:15,706 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:49:15,706 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:49:15,729 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,736 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 19:49:15,737 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:15,737 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,737 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,737 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:15,739 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:49:15,739 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:49:15,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,779 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 19:49:15,780 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:15,780 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,780 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,781 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,781 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:15,781 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:15,781 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,782 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 19:49:15,782 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 19:49:15,783 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:15,783 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,783 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,783 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,784 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:15,784 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:15,784 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,785 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,791 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 19:49:15,791 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:15,792 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,792 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,792 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:15,794 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 19:49:15,794 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 19:49:15,819 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:49:15,820 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:15,821 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,821 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,821 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:15,829 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 19:49:15,829 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 19:49:15,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:49:15,938 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:15,938 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,938 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,938 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,939 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:15,939 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:15,939 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,940 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,940 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 19:49:15,941 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 19:49:15,941 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:15,941 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:15,941 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:15,942 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,946 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,946 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:15,946 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:15,947 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:15,947 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,948 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 19:49:15,948 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:15,948 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:15,949 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,949 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,949 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:15,950 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 19:49:15,952 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 19:49:15,972 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:15,973 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 19:49:15,973 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:15,974 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:15,974 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:15,974 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:15,974 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:15,976 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 19:49:15,976 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 19:49:16,077 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:16,077 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 19:49:16,078 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:16,078 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:16,078 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:16,079 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:16,079 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:16,079 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:16,079 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:16,080 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:16,080 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:16,080 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 19:49:16,081 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 19:49:16,081 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:16,082 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:49:16,082 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:16,082 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:16,082 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:16,082 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:16,083 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:16,083 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:16,084 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:16,085 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 19:49:16,085 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:16,085 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:49:16,086 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:16,086 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:16,086 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:16,088 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:49:16,089 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:49:16,140 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:16,140 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 19:49:16,141 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:16,141 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:49:16,141 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:16,142 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:16,142 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:16,153 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:49:16,153 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:49:17,054 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:17,055 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 19:49:17,059 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:17,059 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:49:17,059 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:17,059 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:17,059 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:17,059 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:17,060 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:17,060 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:17,061 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:17,061 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 19:49:17,062 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 19:49:17,062 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:17,063 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:17,063 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:17,063 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:17,063 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:17,063 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:17,064 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:17,064 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:17,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:17,065 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 19:49:17,065 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:17,066 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:17,066 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:17,066 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:17,067 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:17,069 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 19:49:17,070 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 19:49:17,174 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:17,175 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 19:49:17,176 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:17,176 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:17,176 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:17,177 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:17,177 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:17,183 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 19:49:17,183 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 19:49:22,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:22,372 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 19:49:22,373 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:22,373 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:22,373 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:22,373 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:22,374 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:22,374 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:22,375 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:22,375 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:22,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:22,376 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 19:49:22,376 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 19:49:22,377 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:22,377 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:22,377 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:22,377 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:22,377 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:22,377 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:22,378 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:22,378 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:22,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:22,379 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 19:49:22,380 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:22,380 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:22,380 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:22,380 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:22,380 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:22,382 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:49:22,382 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:49:22,403 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:22,404 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 19:49:22,404 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:22,405 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:22,405 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:22,405 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:22,405 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:22,408 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:49:22,408 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:49:22,441 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:22,441 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 19:49:22,442 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:22,442 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:22,442 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:22,443 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:22,443 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:22,443 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:22,444 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:22,444 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:22,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:22,445 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 19:49:22,445 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 19:49:22,446 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:22,446 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:22,446 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:22,446 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:22,447 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:22,447 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:49:22,447 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:49:22,447 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:22,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:22,450 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 19:49:22,451 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:22,451 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:22,451 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:22,451 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:22,452 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:49:22,454 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-15 19:49:22,454 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-15 19:49:22,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:22,518 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 19:49:22,519 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:22,519 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:22,520 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:22,520 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:22,520 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:49:22,523 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-15 19:49:22,523 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-15 19:49:22,848 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:22,849 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 19:49:22,850 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:22,850 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:22,850 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:22,850 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:22,850 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:22,851 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:49:22,851 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:49:22,851 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:22,853 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:22,854 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-11-15 19:49:22,854 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-11-15 19:49:22,854 INFO L793 eck$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 19:49:22,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:49:22,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-11-15 19:49:22,855 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:49:22,856 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837788585] [2019-11-15 19:49:22,856 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:49:22,856 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:49:22,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:49:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:49:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:49:22,878 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:49:22,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:49:22,878 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-11-15 19:49:22,879 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:49:22,879 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278527326] [2019-11-15 19:49:22,879 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:49:22,879 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:49:22,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:49:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:49:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:49:22,891 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:49:22,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:49:22,893 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-11-15 19:49:22,893 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:49:22,893 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081146117] [2019-11-15 19:49:22,893 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:49:22,894 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:49:22,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:49:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:49:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:49:22,904 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:49:22,929 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 19:49:22,929 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 19:49:22,930 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 19:49:22,930 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 19:49:22,930 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 19:49:22,930 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:49:22,930 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 19:49:22,930 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 19:49:22,930 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Loop [2019-11-15 19:49:22,930 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 19:49:22,930 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 19:49:22,931 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 19:49:22,934 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 19:49:22,940 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 19:49:23,009 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 19:49:23,009 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/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) [2019-11-15 19:49:23,023 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:49:23,023 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:49:23,027 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 19:49:23,027 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_c119488b-269d-44d6-954c-e2463963e535/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:49:23,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:49:23,039 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/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 19:49:23,060 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 19:49:23,061 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 19:49:23,093 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 19:49:23,095 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 19:49:23,095 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 19:49:23,095 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 19:49:23,095 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 19:49:23,095 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 19:49:23,095 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:49:23,095 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 19:49:23,095 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 19:49:23,095 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Loop [2019-11-15 19:49:23,096 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 19:49:23,096 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 19:49:23,096 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 19:49:23,100 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 19:49:23,108 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 19:49:23,187 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 19:49:23,188 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 19:49:23,188 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 19:49:23,188 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,188 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,189 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,189 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,189 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:49:23,189 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:49:23,189 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,190 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,190 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 19:49:23,190 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,191 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,191 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,191 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,191 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:49:23,191 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:49:23,191 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,193 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,193 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 19:49:23,194 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,194 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,194 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,194 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,194 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:49:23,195 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:49:23,195 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,195 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,195 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 19:49:23,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:49:23,196 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,196 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,196 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,196 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,197 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:23,202 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:23,202 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,203 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:49:23,206 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,206 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,206 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,206 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,207 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:23,207 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:23,207 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,209 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,210 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 19:49:23,210 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,210 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,211 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,211 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,211 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:23,211 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:23,211 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,212 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,212 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 19:49:23,212 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 19:49:23,213 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,213 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,213 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,213 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,214 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:23,214 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:23,214 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,215 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 19:49:23,215 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,216 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,216 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,216 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,216 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:23,217 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:23,217 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,220 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,220 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 19:49:23,223 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,223 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,223 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,223 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,223 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:23,224 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:23,224 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,224 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,225 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 19:49:23,225 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 19:49:23,225 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,226 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,226 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,226 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,226 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:23,227 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:23,227 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,228 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,237 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 19:49:23,237 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,238 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,238 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,239 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,239 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:23,243 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:23,244 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,247 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 19:49:23,248 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,248 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,248 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,248 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,249 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:23,249 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:23,249 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,250 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,250 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 19:49:23,250 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 19:49:23,251 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:23,251 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:23,251 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,251 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,251 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,252 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:23,252 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:23,252 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,253 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,253 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 19:49:23,254 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:23,254 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:23,254 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,254 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,255 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,255 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:23,256 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:23,256 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,268 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:49:23,269 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:23,269 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:23,269 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,269 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,270 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,270 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:23,271 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:23,271 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,273 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,273 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 19:49:23,274 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 19:49:23,275 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:23,275 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:49:23,275 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,275 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,275 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,275 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:23,276 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:23,276 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,278 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 19:49:23,279 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:23,279 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:49:23,279 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,279 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,279 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,280 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:23,281 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:23,281 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,297 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 19:49:23,297 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:23,297 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:49:23,298 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,298 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,298 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,298 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:23,300 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:23,300 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,302 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,303 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 19:49:23,304 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 19:49:23,304 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:23,304 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:23,305 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,305 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,305 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,305 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:23,322 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:23,322 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,323 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 19:49:23,324 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:23,324 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:23,324 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,324 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,325 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,325 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:23,327 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:23,327 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,351 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 19:49:23,352 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:23,352 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:23,352 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,353 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,353 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,353 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:23,358 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:23,358 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,365 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,365 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 19:49:23,365 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 19:49:23,366 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:23,366 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:23,366 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,366 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,366 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,367 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:23,367 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:23,367 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,369 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 19:49:23,370 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:23,370 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:23,370 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,370 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,370 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,371 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:23,371 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:23,371 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,379 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 19:49:23,379 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:23,380 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:23,380 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,380 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,380 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,380 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:23,381 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:23,381 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,385 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,386 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 19:49:23,386 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 19:49:23,386 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:23,387 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:23,387 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,387 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,387 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,387 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:49:23,388 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:49:23,388 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,391 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 19:49:23,391 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:23,392 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:23,392 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,392 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,392 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,392 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:49:23,393 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:49:23,394 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,402 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 19:49:23,403 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:23,403 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:23,403 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,403 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,404 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,404 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:49:23,405 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:49:23,405 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,442 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 19:49:23,442 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 19:49:23,442 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 19:49:23,442 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 19:49:23,442 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 19:49:23,442 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:49:23,442 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 19:49:23,443 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 19:49:23,443 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Lasso [2019-11-15 19:49:23,443 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 19:49:23,443 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 19:49:23,444 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 19:49:23,448 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 19:49:23,460 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 19:49:23,463 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 19:49:23,544 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 19:49:23,544 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/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) [2019-11-15 19:49:23,548 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:49:23,548 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/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 19:49:23,560 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 19:49:23,560 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 19:49:23,578 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 19:49:23,578 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_c119488b-269d-44d6-954c-e2463963e535/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) [2019-11-15 19:49:23,633 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 19:49:23,633 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c119488b-269d-44d6-954c-e2463963e535/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:49:23,645 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 19:49:23,645 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 19:49:23,661 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 19:49:23,663 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 19:49:23,663 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 19:49:23,663 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 19:49:23,664 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 19:49:23,664 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 19:49:23,664 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 19:49:23,664 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 19:49:23,664 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 19:49:23,664 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-2.c_Iteration1_Lasso [2019-11-15 19:49:23,664 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 19:49:23,664 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 19:49:23,666 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 19:49:23,670 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 19:49:23,677 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 19:49:23,679 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 19:49:23,769 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 19:49:23,770 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 19:49:23,770 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 19:49:23,770 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,770 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,771 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,771 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:49:23,771 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:49:23,772 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 19:49:23,776 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,776 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 19:49:23,776 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,776 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,777 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,777 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:49:23,778 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:49:23,778 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 19:49:23,782 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,782 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 19:49:23,782 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,782 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,782 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,783 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,783 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:49:23,783 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:49:23,783 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,783 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,783 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 19:49:23,784 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,784 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,784 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,784 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,784 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 19:49:23,784 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 19:49:23,784 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,786 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,786 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 19:49:23,786 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 19:49:23,787 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,787 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,787 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,787 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:23,788 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 19:49:23,789 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 19:49:23,798 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,799 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 19:49:23,799 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,799 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,800 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,800 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:23,801 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 19:49:23,801 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 19:49:23,808 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,809 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 19:49:23,809 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,809 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,810 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,810 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,810 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:23,810 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:23,810 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,811 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,811 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 19:49:23,812 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,812 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,812 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,812 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,812 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:23,812 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:23,813 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,813 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,813 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 19:49:23,813 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 19:49:23,814 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,814 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,814 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,814 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:23,816 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:49:23,816 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:49:23,841 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,842 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 19:49:23,842 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,843 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,843 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,843 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:23,844 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:49:23,845 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:49:23,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,853 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 19:49:23,853 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,853 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,853 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,854 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,854 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:23,854 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:23,854 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,854 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,855 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 19:49:23,855 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,855 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,855 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,856 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,856 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:23,856 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:23,856 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,857 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,857 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 19:49:23,857 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 19:49:23,857 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,857 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,858 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,858 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:23,860 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 19:49:23,860 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 19:49:23,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,900 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 19:49:23,900 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,901 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,901 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,901 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:23,903 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 19:49:23,903 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 19:49:23,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,914 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 19:49:23,914 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,914 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,914 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,915 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,915 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:23,915 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:23,915 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,916 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,916 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 19:49:23,916 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 19:49:23,917 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:23,917 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,917 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,917 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:23,917 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:23,918 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:23,918 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,918 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 19:49:23,918 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 19:49:23,919 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:23,919 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:23,919 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:23,919 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:23,919 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:23,921 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 19:49:23,921 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 19:49:23,999 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:23,999 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 19:49:24,000 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:24,000 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:24,000 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:24,000 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:24,001 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:24,002 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 19:49:24,002 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 19:49:24,022 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:24,022 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 19:49:24,023 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:24,023 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:24,023 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:24,023 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:24,023 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:24,024 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:24,024 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:24,024 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:24,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:24,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:49:24,025 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:24,026 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:24,026 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:24,026 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:24,026 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:24,026 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 19:49:24,027 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 19:49:24,027 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:24,027 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:24,027 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 19:49:24,028 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 19:49:24,028 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:24,028 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:49:24,028 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:24,029 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:24,029 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:24,032 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:49:24,032 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:49:24,582 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:24,583 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 19:49:24,583 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:24,584 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:49:24,584 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:24,584 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:24,584 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:24,586 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:49:24,586 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:49:24,639 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:24,640 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 19:49:24,640 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:24,640 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:49:24,641 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:24,641 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:24,641 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:24,641 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:24,642 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:24,642 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:24,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:24,643 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 19:49:24,644 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:24,644 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 19:49:24,644 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:24,644 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:24,644 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:24,645 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:24,645 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:24,645 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:24,646 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:24,646 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 19:49:24,646 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 19:49:24,647 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:24,647 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:24,647 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:24,647 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:24,648 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:24,653 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 19:49:24,653 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 19:49:26,882 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:26,883 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 19:49:26,884 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:26,884 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:26,884 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:26,884 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:26,884 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:26,886 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 19:49:26,887 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 19:49:26,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:26,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 19:49:26,938 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:26,938 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:26,938 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:26,938 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:26,938 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:26,939 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:26,939 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:26,940 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:26,940 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:26,940 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 19:49:26,941 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:26,941 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:26,941 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:26,941 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:26,942 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:26,942 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 19:49:26,943 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 19:49:26,943 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:26,943 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:26,943 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 19:49:26,944 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 19:49:26,944 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:26,944 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:26,944 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:26,944 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:26,945 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:26,946 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:49:26,946 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:49:26,985 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:26,985 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 19:49:26,986 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:26,986 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:26,986 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:26,986 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:26,987 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:26,988 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 19:49:26,988 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 19:49:27,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:27,003 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 19:49:27,004 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:27,004 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:27,004 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:27,004 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:27,004 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:27,005 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:27,005 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:27,005 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:27,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:27,006 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 19:49:27,007 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:27,007 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 19:49:27,007 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:27,007 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:27,007 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:27,008 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 19:49:27,008 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 19:49:27,008 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:27,009 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:27,009 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 19:49:27,009 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 19:49:27,010 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:27,010 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:27,010 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:27,010 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:27,010 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:49:27,013 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-15 19:49:27,013 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-15 19:49:27,191 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:27,191 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 19:49:27,192 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:27,192 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:27,192 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:27,192 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:27,192 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:49:27,196 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-15 19:49:27,196 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-15 19:49:27,259 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:27,260 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 19:49:27,260 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:27,260 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:27,260 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:27,261 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:27,261 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:27,261 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:49:27,261 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:49:27,262 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:27,264 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:27,264 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 19:49:27,265 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 19:49:27,265 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 19:49:27,265 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 19:49:27,265 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 19:49:27,266 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 19:49:27,266 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 19:49:27,266 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 19:49:27,266 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 19:49:27,267 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 19:49:27,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 07:49:27 BoogieIcfgContainer [2019-11-15 19:49:27,273 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 19:49:27,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 19:49:27,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 19:49:27,274 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 19:49:27,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:49:13" (3/4) ... [2019-11-15 19:49:27,277 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 19:49:27,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 19:49:27,279 INFO L168 Benchmark]: Toolchain (without parser) took 13915.02 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 731.4 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -277.1 MB). Peak memory consumption was 454.3 MB. Max. memory is 11.5 GB. [2019-11-15 19:49:27,280 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 19:49:27,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-15 19:49:27,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 19:49:27,282 INFO L168 Benchmark]: Boogie Preprocessor took 25.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 19:49:27,287 INFO L168 Benchmark]: RCFGBuilder took 233.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2019-11-15 19:49:27,288 INFO L168 Benchmark]: BuchiAutomizer took 13393.40 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 596.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -116.6 MB). Peak memory consumption was 900.3 MB. Max. memory is 11.5 GB. [2019-11-15 19:49:27,288 INFO L168 Benchmark]: Witness Printer took 3.95 ms. Allocated memory is still 1.8 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 19:49:27,292 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 228.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 233.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 13393.40 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 596.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -116.6 MB). Peak memory consumption was 900.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.95 ms. Allocated memory is still 1.8 GB. Free memory is still 1.2 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 13.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 13.2s. 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: 181ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - 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...