./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/functions_false-unreach-call1_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/functions_false-unreach-call1_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/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 b863c06e3a705bd271aead006d68e66fa05ed392 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:14:27,701 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:14:27,702 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:14:27,708 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:14:27,708 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:14:27,708 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:14:27,709 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:14:27,710 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:14:27,711 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:14:27,711 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:14:27,712 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:14:27,712 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:14:27,712 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:14:27,713 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:14:27,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:14:27,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:14:27,714 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:14:27,715 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:14:27,716 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:14:27,717 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:14:27,717 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:14:27,718 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:14:27,719 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:14:27,719 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:14:27,719 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:14:27,720 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:14:27,720 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:14:27,721 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:14:27,721 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:14:27,722 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:14:27,722 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:14:27,722 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:14:27,722 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:14:27,722 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:14:27,723 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:14:27,723 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:14:27,724 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 08:14:27,731 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:14:27,731 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:14:27,732 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 08:14:27,732 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 08:14:27,732 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 08:14:27,732 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 08:14:27,732 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 08:14:27,732 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 08:14:27,733 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 08:14:27,733 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 08:14:27,733 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 08:14:27,733 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:14:27,733 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:14:27,733 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 08:14:27,733 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:14:27,733 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:14:27,733 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:14:27,734 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 08:14:27,734 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 08:14:27,734 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 08:14:27,734 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:14:27,734 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:14:27,734 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 08:14:27,734 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 08:14:27,734 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 08:14:27,734 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:14:27,735 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:14:27,735 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 08:14:27,735 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:14:27,735 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 08:14:27,735 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 08:14:27,736 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 08:14:27,736 INFO L133 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/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/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 -> b863c06e3a705bd271aead006d68e66fa05ed392 [2018-12-02 08:14:27,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:14:27,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:14:27,765 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:14:27,766 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:14:27,767 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:14:27,767 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/functions_false-unreach-call1_true-termination.i [2018-12-02 08:14:27,805 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/uautomizer/data/bc0aee9e2/3ef24c2c8e0645679b45b2341c0184ae/FLAGa41835e68 [2018-12-02 08:14:28,085 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:14:28,086 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/sv-benchmarks/c/loop-acceleration/functions_false-unreach-call1_true-termination.i [2018-12-02 08:14:28,089 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/uautomizer/data/bc0aee9e2/3ef24c2c8e0645679b45b2341c0184ae/FLAGa41835e68 [2018-12-02 08:14:28,097 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/uautomizer/data/bc0aee9e2/3ef24c2c8e0645679b45b2341c0184ae [2018-12-02 08:14:28,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:14:28,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:14:28,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:14:28,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:14:28,102 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:14:28,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:14:28" (1/1) ... [2018-12-02 08:14:28,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753418dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:28, skipping insertion in model container [2018-12-02 08:14:28,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:14:28" (1/1) ... [2018-12-02 08:14:28,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:14:28,119 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:14:28,203 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:14:28,206 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:14:28,214 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:14:28,221 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:14:28,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:28 WrapperNode [2018-12-02 08:14:28,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:14:28,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:14:28,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:14:28,222 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:14:28,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:28" (1/1) ... [2018-12-02 08:14:28,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:28" (1/1) ... [2018-12-02 08:14:28,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:14:28,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:14:28,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:14:28,241 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:14:28,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:28" (1/1) ... [2018-12-02 08:14:28,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:28" (1/1) ... [2018-12-02 08:14:28,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:28" (1/1) ... [2018-12-02 08:14:28,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:28" (1/1) ... [2018-12-02 08:14:28,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:28" (1/1) ... [2018-12-02 08:14:28,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:28" (1/1) ... [2018-12-02 08:14:28,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:28" (1/1) ... [2018-12-02 08:14:28,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:14:28,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:14:28,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:14:28,252 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:14:28,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/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 [2018-12-02 08:14:28,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:14:28,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:14:28,395 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:14:28,395 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-02 08:14:28,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:14:28 BoogieIcfgContainer [2018-12-02 08:14:28,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:14:28,396 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 08:14:28,396 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 08:14:28,398 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 08:14:28,399 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 08:14:28,399 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 08:14:28" (1/3) ... [2018-12-02 08:14:28,400 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78045072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:14:28, skipping insertion in model container [2018-12-02 08:14:28,400 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 08:14:28,400 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:14:28" (2/3) ... [2018-12-02 08:14:28,401 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78045072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:14:28, skipping insertion in model container [2018-12-02 08:14:28,401 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 08:14:28,401 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:14:28" (3/3) ... [2018-12-02 08:14:28,402 INFO L375 chiAutomizerObserver]: Analyzing ICFG functions_false-unreach-call1_true-termination.i [2018-12-02 08:14:28,446 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 08:14:28,446 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 08:14:28,446 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 08:14:28,446 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 08:14:28,446 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:14:28,446 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:14:28,447 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 08:14:28,447 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:14:28,447 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 08:14:28,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-12-02 08:14:28,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-02 08:14:28,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 08:14:28,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 08:14:28,471 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-02 08:14:28,471 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-02 08:14:28,471 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 08:14:28,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-12-02 08:14:28,472 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-02 08:14:28,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 08:14:28,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 08:14:28,472 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-02 08:14:28,472 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-02 08:14:28,477 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true [2018-12-02 08:14:28,477 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-12-02 08:14:28,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:14:28,481 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-02 08:14:28,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:14:28,483 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:14:28,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:14:28,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:14:28,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:14:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:14:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:14:28,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:14:28,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2018-12-02 08:14:28,537 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:14:28,537 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:14:28,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:14:28,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:14:28,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:14:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:14:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:14:28,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:14:28,550 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 1 times [2018-12-02 08:14:28,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:14:28,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:14:28,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:14:28,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:14:28,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:14:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:14:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:14:28,594 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 08:14:28,595 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 08:14:28,595 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 08:14:28,595 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 08:14:28,595 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 08:14:28,596 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:14:28,596 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 08:14:28,596 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 08:14:28,596 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-02 08:14:28,596 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 08:14:28,596 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 08:14:28,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:14:28,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:14:28,718 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 08:14:28,719 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/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 [2018-12-02 08:14:28,723 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 08:14:28,723 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 08:14:28,729 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 08:14:28,729 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0=0} Honda state: {ULTIMATE.start_main_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/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 [2018-12-02 08:14:28,745 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 08:14:28,745 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/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 [2018-12-02 08:14:28,866 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 08:14:28,867 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 08:14:41,058 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-02 08:14:41,089 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 08:14:41,089 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 08:14:41,089 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 08:14:41,090 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 08:14:41,090 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 08:14:41,090 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:14:41,090 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 08:14:41,090 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 08:14:41,090 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-02 08:14:41,090 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 08:14:41,090 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 08:14:41,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:14:41,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:14:41,165 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 08:14:41,169 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 08:14:41,170 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,172 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:41,172 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,172 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,173 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,173 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:14:41,175 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:14:41,175 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,186 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,186 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,187 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:41,187 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,187 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,187 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,187 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:14:41,187 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:14:41,187 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,188 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,188 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-02 08:14:41,189 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,189 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:41,189 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,189 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,190 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,190 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:14:41,191 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:14:41,191 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,207 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,208 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,209 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:41,209 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,209 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,209 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,209 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:14:41,209 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:14:41,209 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,211 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-02 08:14:41,211 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,211 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:41,211 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,211 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,212 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:14:41,213 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:14:41,213 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,228 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,228 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,229 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:41,229 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,229 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,229 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,229 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:14:41,230 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:14:41,230 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,231 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,231 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-02 08:14:41,231 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,232 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:41,232 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,232 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,232 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,233 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:14:41,234 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:14:41,235 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,247 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,247 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,247 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:41,247 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,248 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,248 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,248 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:14:41,248 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:14:41,248 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,249 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,249 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-02 08:14:41,249 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,249 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:41,249 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:14:41,250 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,250 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,250 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,250 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:14:41,251 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:14:41,251 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,285 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,285 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,286 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:41,286 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:14:41,287 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,287 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,287 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,287 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:14:41,288 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:14:41,288 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,289 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,289 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-02 08:14:41,290 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,290 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:41,290 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:14:41,291 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,291 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,291 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,291 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:14:41,294 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:14:41,294 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,343 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,343 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,344 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:41,344 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:14:41,344 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,344 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,345 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,345 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:14:41,346 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:14:41,346 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,347 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,348 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-02 08:14:41,348 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,349 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:41,349 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:14:41,349 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,349 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,349 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,349 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:14:41,354 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:14:41,354 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,423 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,423 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,424 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:41,424 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:14:41,424 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,425 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,425 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,425 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:14:41,426 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:14:41,426 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,427 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,427 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-02 08:14:41,428 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,428 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:41,428 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:14:41,428 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,429 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,429 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,429 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:14:41,430 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:14:41,430 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,440 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,440 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,441 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:41,441 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:14:41,441 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,441 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,441 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,441 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:14:41,442 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:14:41,442 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,443 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,444 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-02 08:14:41,444 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,444 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:41,445 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:14:41,445 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,445 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,445 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,445 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:14:41,447 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:14:41,448 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,464 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,464 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:41,465 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:41,465 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:14:41,465 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:41,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:41,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:41,465 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:14:41,466 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:14:41,466 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:41,468 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:41,470 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 08:14:41,471 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 08:14:41,471 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 08:14:41,471 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 08:14:41,471 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 08:14:41,471 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:14:41,471 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 08:14:41,471 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 08:14:41,471 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-02 08:14:41,471 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 08:14:41,471 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 08:14:41,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:14:41,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:14:41,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:14:41,554 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 08:14:41,554 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/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 [2018-12-02 08:14:41,557 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 08:14:41,557 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 08:14:41,560 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 08:14:41,560 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0=0} Honda state: {ULTIMATE.start_main_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:14:41,585 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 08:14:41,585 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 08:14:41,588 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 08:14:41,588 INFO L448 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/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:14:41,610 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 08:14:41,610 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/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 [2018-12-02 08:14:41,644 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 08:14:41,644 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 08:14:54,509 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-02 08:14:54,540 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 08:14:54,540 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 08:14:54,540 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 08:14:54,540 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 08:14:54,540 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 08:14:54,540 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:14:54,540 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 08:14:54,540 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 08:14:54,540 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-02 08:14:54,541 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 08:14:54,541 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 08:14:54,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:14:54,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:14:54,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:14:54,619 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 08:14:54,620 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 08:14:54,620 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,620 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:54,620 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,620 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,620 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,621 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:14:54,621 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:14:54,621 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,621 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,622 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,622 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:54,622 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,622 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,622 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,622 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:14:54,622 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:14:54,623 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,623 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,623 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,623 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:54,624 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,624 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,624 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:14:54,625 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:14:54,625 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 08:14:54,630 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,630 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-02 08:14:54,631 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,631 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:54,631 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,631 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,631 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,631 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:14:54,632 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:14:54,632 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,632 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,632 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,633 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:54,633 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,633 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,633 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,633 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:14:54,633 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:14:54,633 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,634 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,634 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,634 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:54,634 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,634 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,635 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:14:54,636 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-02 08:14:54,636 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-02 08:14:54,644 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,645 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-02 08:14:54,645 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,645 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:54,645 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,645 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,646 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,646 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:14:54,646 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:14:54,646 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,646 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,647 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,647 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:54,647 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,647 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,647 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,647 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:14:54,647 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:14:54,648 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,648 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,648 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,648 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:54,649 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,649 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,649 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:14:54,650 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-02 08:14:54,651 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-02 08:14:54,660 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,661 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-02 08:14:54,661 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,661 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:54,661 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,661 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,661 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,662 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:14:54,662 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:14:54,662 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,662 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,662 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,663 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:54,663 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,663 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,663 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,663 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:14:54,663 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:14:54,664 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,664 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,664 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,664 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:14:54,665 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,665 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,665 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:14:54,667 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-02 08:14:54,667 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-02 08:14:54,679 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,679 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-02 08:14:54,679 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,679 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:54,680 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:14:54,680 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,680 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,680 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,680 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:14:54,680 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:14:54,680 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,681 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,681 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,681 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:54,681 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:14:54,681 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,682 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,682 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,682 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:14:54,682 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:14:54,682 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,682 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,683 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,683 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:54,683 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:14:54,683 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,683 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,683 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:14:54,685 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-02 08:14:54,685 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-02 08:14:54,711 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,711 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-02 08:14:54,711 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,712 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:54,712 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:14:54,712 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,712 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,712 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,712 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:14:54,713 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:14:54,713 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,713 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,714 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,714 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:54,714 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:14:54,714 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,714 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,714 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,714 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:14:54,715 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:14:54,715 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,716 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,716 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,716 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:54,716 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:14:54,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,717 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,717 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:14:54,719 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-02 08:14:54,719 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-02 08:14:54,806 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,806 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-02 08:14:54,807 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,807 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:54,807 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:14:54,808 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,808 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,808 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,808 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:14:54,809 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:14:54,809 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,809 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,810 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,810 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:54,810 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:14:54,810 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,811 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,811 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,811 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:14:54,811 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:14:54,812 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,812 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,812 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,813 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:54,813 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:14:54,813 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,813 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,813 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:14:54,817 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-02 08:14:54,817 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-02 08:14:54,900 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,900 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-02 08:14:54,900 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,900 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:54,900 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:14:54,900 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,900 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,901 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,901 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:14:54,901 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:14:54,901 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,902 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,902 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,902 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:54,902 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:14:54,902 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,903 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,903 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,903 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:14:54,903 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:14:54,903 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,904 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,904 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,904 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:54,904 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:14:54,904 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,905 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,905 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:14:54,906 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-02 08:14:54,906 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-02 08:14:54,921 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,922 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-02 08:14:54,922 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,922 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:54,922 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:14:54,922 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,923 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,923 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,923 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:14:54,923 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:14:54,923 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,924 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,924 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,924 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:54,925 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:14:54,925 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:14:54,925 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,925 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,925 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:14:54,925 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:14:54,926 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:14:54,927 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,927 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:14:54,927 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:14:54,928 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:14:54,928 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:14:54,928 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:14:54,928 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:14:54,930 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-02 08:14:54,930 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-02 08:14:54,978 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:14:54,979 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-02 08:14:54,979 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-12-02 08:14:54,979 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-12-02 08:14:54,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:14:54,980 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 2 times [2018-12-02 08:14:54,980 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:14:54,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:14:54,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:14:54,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:14:54,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:14:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:14:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:14:54,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:14:54,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 2 times [2018-12-02 08:14:54,987 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:14:54,987 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:14:54,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:14:54,988 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 08:14:54,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:14:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:14:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:14:54,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:14:54,993 INFO L82 PathProgramCache]: Analyzing trace with hash 29862436, now seen corresponding path program 3 times [2018-12-02 08:14:54,993 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:14:54,993 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:14:54,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:14:54,993 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 08:14:54,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:14:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:14:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:14:55,017 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 08:14:55,018 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 08:14:55,018 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 08:14:55,018 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 08:14:55,018 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 08:14:55,018 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:14:55,018 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 08:14:55,018 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 08:14:55,018 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-02 08:14:55,018 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 08:14:55,018 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 08:14:55,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:14:55,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:14:55,115 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 08:14:55,115 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/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 [2018-12-02 08:14:55,118 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 08:14:55,118 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:14:55,259 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 08:14:55,259 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 08:15:08,024 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-02 08:15:08,053 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 08:15:08,053 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 08:15:08,053 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 08:15:08,053 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 08:15:08,053 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 08:15:08,054 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:15:08,054 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 08:15:08,054 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 08:15:08,054 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-02 08:15:08,054 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 08:15:08,054 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 08:15:08,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:15:08,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:15:08,125 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 08:15:08,125 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 08:15:08,126 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,126 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:08,126 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,126 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,126 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,126 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:15:08,127 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:15:08,127 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,127 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,128 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,128 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:08,128 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,128 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,128 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,128 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:15:08,129 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:15:08,129 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,131 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,131 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-02 08:15:08,132 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,132 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:08,132 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,132 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,132 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,132 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:15:08,133 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:15:08,133 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,133 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,134 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,134 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:08,134 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,134 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,134 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,134 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:15:08,135 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:15:08,135 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,138 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,138 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-02 08:15:08,138 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,139 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:08,139 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,139 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,139 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,139 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:15:08,140 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:15:08,140 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,140 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,140 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,141 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:08,141 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,141 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,141 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,141 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:15:08,142 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:15:08,142 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,145 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,145 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-02 08:15:08,145 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,146 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:08,146 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,146 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,146 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,146 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:15:08,147 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:15:08,147 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,147 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,147 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,148 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:08,148 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,148 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,148 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,148 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:15:08,149 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:15:08,149 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,153 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,153 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-02 08:15:08,153 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,153 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:08,153 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:15:08,154 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,154 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,154 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,154 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:15:08,154 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:15:08,154 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,155 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,155 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,155 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:08,155 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:15:08,156 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,156 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,156 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,156 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:15:08,157 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:15:08,157 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,164 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,165 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-02 08:15:08,165 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,165 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:08,165 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:15:08,165 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,166 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,166 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,166 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:15:08,166 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:15:08,166 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,167 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,167 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,168 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:08,168 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:15:08,168 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,168 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,168 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,168 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:15:08,170 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:15:08,170 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,184 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,184 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-02 08:15:08,184 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,185 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:08,185 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:15:08,185 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,185 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,185 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,185 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:15:08,186 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:15:08,186 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,187 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,187 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,187 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:08,188 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:15:08,188 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,188 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,188 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,188 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:15:08,190 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:15:08,191 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,216 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,216 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-02 08:15:08,216 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,217 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:08,217 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:15:08,217 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,217 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,217 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,217 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:15:08,218 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:15:08,218 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,219 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,219 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,219 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:08,220 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:15:08,220 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,220 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,220 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,220 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:15:08,221 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:15:08,221 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,226 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,226 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-02 08:15:08,227 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,227 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:08,227 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:15:08,227 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,227 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,228 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,228 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:15:08,228 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:15:08,228 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,230 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,230 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:08,231 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:08,231 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:15:08,231 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:08,231 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:08,231 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:08,231 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:15:08,233 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:15:08,233 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:08,243 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:08,275 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 08:15:08,275 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 08:15:08,275 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 08:15:08,276 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 08:15:08,276 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 08:15:08,276 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:15:08,276 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 08:15:08,276 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 08:15:08,276 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-02 08:15:08,276 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 08:15:08,276 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 08:15:08,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:15:08,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:15:08,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:15:08,394 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 08:15:08,394 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/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 [2018-12-02 08:15:08,396 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 08:15:08,396 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_04d5837f-15bb-4b3d-b4ac-734293ea65b0/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:15:08,432 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 08:15:08,432 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 08:15:21,858 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-02 08:15:21,889 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 08:15:21,889 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 08:15:21,889 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 08:15:21,889 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 08:15:21,889 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 08:15:21,889 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:15:21,889 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 08:15:21,889 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 08:15:21,889 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-02 08:15:21,889 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 08:15:21,889 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 08:15:21,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:15:21,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:15:21,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:15:21,992 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 08:15:21,992 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 08:15:21,992 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:21,993 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:21,993 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:21,993 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:21,993 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:21,993 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:15:21,993 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:15:21,993 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:21,994 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:21,994 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:21,994 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:21,994 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:21,994 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:21,994 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:15:21,995 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:15:21,995 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 08:15:22,005 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,006 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,006 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:22,006 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:22,006 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,006 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,006 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:15:22,006 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:15:22,007 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:22,007 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,007 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-02 08:15:22,007 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,007 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:22,008 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:22,008 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,008 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,008 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:15:22,008 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:15:22,008 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:22,008 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,008 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,009 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:22,009 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,009 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,009 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:15:22,010 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-02 08:15:22,010 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-02 08:15:22,020 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,020 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,020 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:22,021 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:22,021 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,021 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,021 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:15:22,021 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:15:22,021 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:22,021 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,021 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-02 08:15:22,021 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,022 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:22,022 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:22,022 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,022 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,022 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:15:22,022 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:15:22,022 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:22,022 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,022 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,023 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:22,023 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,023 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,023 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:15:22,024 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-02 08:15:22,024 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-02 08:15:22,038 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,039 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,039 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:22,039 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:22,039 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,039 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,039 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:15:22,039 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:15:22,039 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:22,040 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,040 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-02 08:15:22,040 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,040 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:22,040 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:22,040 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,040 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,040 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:15:22,041 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:15:22,041 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:22,041 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,041 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,041 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:22,041 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,041 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,041 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:15:22,043 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-02 08:15:22,043 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-02 08:15:22,061 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,061 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,061 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:15:22,061 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:22,061 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,062 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,062 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:15:22,062 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:15:22,062 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:22,062 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,063 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-02 08:15:22,063 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,063 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:22,063 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:15:22,063 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:22,063 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,064 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:15:22,064 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:15:22,064 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:22,064 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,065 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,065 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:22,065 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:15:22,065 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,065 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,065 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:15:22,066 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-02 08:15:22,066 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-02 08:15:22,132 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,133 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,133 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:22,133 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:15:22,133 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:22,133 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,133 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,133 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:15:22,134 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:15:22,134 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:22,134 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,134 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-02 08:15:22,134 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,135 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:22,135 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:15:22,135 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:22,135 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,135 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,135 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:15:22,135 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:15:22,135 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:22,136 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,136 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,136 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:22,137 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:15:22,137 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,137 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,137 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:15:22,138 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-02 08:15:22,138 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-02 08:15:22,387 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,387 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,387 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:22,387 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:15:22,387 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:22,388 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,388 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,388 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:15:22,388 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:15:22,388 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:22,388 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,389 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-02 08:15:22,389 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,389 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:22,389 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:15:22,389 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:22,389 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,390 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,390 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:15:22,390 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:15:22,390 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:22,390 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,391 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,391 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:22,391 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:15:22,391 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,392 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,392 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:15:22,394 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-02 08:15:22,394 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-02 08:15:22,909 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,909 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,910 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:22,910 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:15:22,910 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:22,910 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,910 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,910 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:15:22,911 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:15:22,911 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:22,911 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,911 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-02 08:15:22,912 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,912 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:22,912 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:15:22,912 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:22,912 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,912 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,912 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:15:22,913 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:15:22,913 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:22,914 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,914 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,914 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:22,914 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:15:22,914 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,914 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,915 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:15:22,917 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-02 08:15:22,917 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-02 08:15:22,964 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,964 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,965 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:22,965 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:15:22,965 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:22,965 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,965 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,965 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:15:22,965 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:15:22,966 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:22,966 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,967 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-02 08:15:22,967 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,967 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:22,967 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:15:22,967 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:22,967 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,968 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,968 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:15:22,968 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:15:22,968 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:22,969 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:22,969 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:22,970 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:22,970 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:15:22,970 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:22,970 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:22,970 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:15:22,973 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-02 08:15:22,973 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-02 08:15:23,132 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:23,132 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:15:23,133 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:15:23,133 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:15:23,133 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:15:23,133 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:15:23,133 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:15:23,134 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:15:23,134 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:15:23,134 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:15:23,136 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:15:23,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 08:15:23 BoogieIcfgContainer [2018-12-02 08:15:23,140 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 08:15:23,140 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:15:23,140 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:15:23,141 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:15:23,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:14:28" (3/4) ... [2018-12-02 08:15:23,143 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 08:15:23,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:15:23,144 INFO L168 Benchmark]: Toolchain (without parser) took 55045.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.5 MB). Free memory was 952.2 MB in the beginning and 1.2 GB in the end (delta: -241.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:15:23,145 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:15:23,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 122.19 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:15:23,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.29 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:15:23,146 INFO L168 Benchmark]: Boogie Preprocessor took 11.20 ms. Allocated memory is still 1.0 GB. Free memory was 941.4 MB in the beginning and 938.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:15:23,146 INFO L168 Benchmark]: RCFGBuilder took 143.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-02 08:15:23,147 INFO L168 Benchmark]: BuchiAutomizer took 54744.46 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 118.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -108.6 MB). Peak memory consumption was 319.8 MB. Max. memory is 11.5 GB. [2018-12-02 08:15:23,147 INFO L168 Benchmark]: Witness Printer took 3.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:15:23,149 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 122.19 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.29 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.20 ms. Allocated memory is still 1.0 GB. Free memory was 941.4 MB in the beginning and 938.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 143.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 54744.46 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 118.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -108.6 MB). Peak memory consumption was 319.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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 54.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 54.6s. 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: inital28 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div248 bol100 ite100 ukn100 eq163 hnf60 smp95 dnf100 smp100 tf101 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 162ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 26.3s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0;" "assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z;" "main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0;" Loop: "assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z;" "main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...