./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/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 9bb3ecce8212cfd5509d99ad6349aec861975be9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:15:49,979 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:15:49,985 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:15:49,994 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:15:49,994 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:15:49,995 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:15:49,995 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:15:49,996 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:15:49,997 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:15:49,998 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:15:49,998 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:15:49,998 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:15:49,999 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:15:50,000 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:15:50,001 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:15:50,001 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:15:50,002 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:15:50,003 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:15:50,005 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:15:50,006 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:15:50,006 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:15:50,007 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:15:50,009 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:15:50,009 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:15:50,009 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:15:50,010 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:15:50,011 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:15:50,011 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:15:50,011 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:15:50,012 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:15:50,012 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:15:50,013 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:15:50,013 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:15:50,013 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:15:50,013 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:15:50,014 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:15:50,014 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:15:50,022 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:15:50,023 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:15:50,024 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:15:50,024 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:15:50,024 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:15:50,024 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:15:50,025 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:15:50,025 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:15:50,025 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:15:50,025 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:15:50,026 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:15:50,026 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:15:50,026 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:15:50,026 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:15:50,026 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:15:50,026 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:15:50,026 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:15:50,027 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:15:50,027 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:15:50,027 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:15:50,027 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:15:50,027 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:15:50,027 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:15:50,027 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:15:50,028 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:15:50,028 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:15:50,028 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:15:50,028 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:15:50,028 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:15:50,028 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:15:50,028 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:15:50,029 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:15:50,029 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_b9ab2428-5f90-4071-a6da-8944f6143223/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 -> 9bb3ecce8212cfd5509d99ad6349aec861975be9 [2018-11-18 14:15:50,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:15:50,065 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:15:50,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:15:50,069 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:15:50,069 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:15:50,070 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i [2018-11-18 14:15:50,115 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/bin-2019/uautomizer/data/f59763220/b1e4df63e76b4948bfcf118e41c6aa84/FLAG9a6bf0ba9 [2018-11-18 14:15:50,504 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:15:50,505 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/sv-benchmarks/c/loop-acceleration/simple_false-unreach-call3_true-termination.i [2018-11-18 14:15:50,508 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/bin-2019/uautomizer/data/f59763220/b1e4df63e76b4948bfcf118e41c6aa84/FLAG9a6bf0ba9 [2018-11-18 14:15:50,519 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/bin-2019/uautomizer/data/f59763220/b1e4df63e76b4948bfcf118e41c6aa84 [2018-11-18 14:15:50,522 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:15:50,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:15:50,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:15:50,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:15:50,527 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:15:50,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:15:50" (1/1) ... [2018-11-18 14:15:50,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@617ec0df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:50, skipping insertion in model container [2018-11-18 14:15:50,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:15:50" (1/1) ... [2018-11-18 14:15:50,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:15:50,547 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:15:50,650 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:15:50,653 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:15:50,662 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:15:50,670 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:15:50,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:50 WrapperNode [2018-11-18 14:15:50,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:15:50,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:15:50,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:15:50,671 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:15:50,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:50" (1/1) ... [2018-11-18 14:15:50,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:50" (1/1) ... [2018-11-18 14:15:50,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:15:50,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:15:50,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:15:50,692 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:15:50,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:50" (1/1) ... [2018-11-18 14:15:50,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:50" (1/1) ... [2018-11-18 14:15:50,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:50" (1/1) ... [2018-11-18 14:15:50,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:50" (1/1) ... [2018-11-18 14:15:50,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:50" (1/1) ... [2018-11-18 14:15:50,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:50" (1/1) ... [2018-11-18 14:15:50,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:50" (1/1) ... [2018-11-18 14:15:50,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:15:50,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:15:50,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:15:50,705 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:15:50,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/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 [2018-11-18 14:15:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:15:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:15:50,950 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:15:50,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:15:50 BoogieIcfgContainer [2018-11-18 14:15:50,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:15:50,951 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:15:50,951 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:15:50,955 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:15:50,955 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:15:50,956 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:15:50" (1/3) ... [2018-11-18 14:15:50,957 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bb0d712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:15:50, skipping insertion in model container [2018-11-18 14:15:50,957 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:15:50,958 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:50" (2/3) ... [2018-11-18 14:15:50,958 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6bb0d712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:15:50, skipping insertion in model container [2018-11-18 14:15:50,958 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:15:50,958 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:15:50" (3/3) ... [2018-11-18 14:15:50,960 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_false-unreach-call3_true-termination.i [2018-11-18 14:15:51,012 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:15:51,013 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:15:51,013 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:15:51,013 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:15:51,013 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:15:51,013 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:15:51,013 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:15:51,013 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:15:51,013 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:15:51,024 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-18 14:15:51,042 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-18 14:15:51,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:15:51,043 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:15:51,047 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 14:15:51,047 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-18 14:15:51,047 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:15:51,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-18 14:15:51,049 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-18 14:15:51,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:15:51,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:15:51,049 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 14:15:51,050 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-18 14:15:51,057 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0; 9#L11-3true [2018-11-18 14:15:51,057 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 9#L11-3true [2018-11-18 14:15:51,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:15:51,063 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-18 14:15:51,065 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:15:51,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:15:51,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:51,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:15:51,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:15:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:15:51,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:15:51,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-11-18 14:15:51,140 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:15:51,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:15:51,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:51,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:15:51,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:15:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:15:51,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:15:51,156 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-11-18 14:15:51,156 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:15:51,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:15:51,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:51,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:15:51,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:15:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:15:51,234 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 14:15:51,234 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 14:15:51,235 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 14:15:51,235 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 14:15:51,235 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 14:15:51,235 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:15:51,235 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 14:15:51,235 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 14:15:51,235 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-18 14:15:51,235 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 14:15:51,236 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 14:15:51,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:15:51,466 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 14:15:51,466 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/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) [2018-11-18 14:15:51,482 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:15:51,482 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/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) [2018-11-18 14:15:51,521 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 14:15:51,522 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:16:07,953 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-18 14:16:07,960 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 14:16:07,960 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 14:16:07,960 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 14:16:07,960 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 14:16:07,960 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 14:16:07,960 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:16:07,960 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 14:16:07,961 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 14:16:07,961 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-18 14:16:07,961 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 14:16:07,961 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 14:16:07,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:16:08,022 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 14:16:08,025 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 14:16:08,026 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 [2018-11-18 14:16:08,027 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:08,027 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:08,028 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:08,028 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:08,028 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:16:08,030 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:16:08,030 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:08,041 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:08,041 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 14:16:08,041 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 [2018-11-18 14:16:08,042 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:08,042 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:08,042 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:08,042 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:08,042 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 14:16:08,044 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 14:16:08,044 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:08,056 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:08,056 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 14:16:08,056 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 [2018-11-18 14:16:08,057 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:08,057 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:08,057 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:08,058 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:08,058 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:08,059 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 14:16:08,060 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:08,073 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:08,073 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 14:16:08,074 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 [2018-11-18 14:16:08,074 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:08,075 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:08,075 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:08,075 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:08,075 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 14:16:08,077 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 14:16:08,077 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:08,093 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:08,094 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 14:16:08,094 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 [2018-11-18 14:16:08,095 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:08,095 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 14:16:08,095 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:08,095 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:08,095 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:08,095 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 14:16:08,099 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 14:16:08,099 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:08,133 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:08,133 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 14:16:08,133 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 [2018-11-18 14:16:08,134 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:08,134 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 14:16:08,134 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:08,135 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:08,135 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:08,135 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:08,139 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 14:16:08,140 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:08,180 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:08,180 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 14:16:08,181 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 [2018-11-18 14:16:08,182 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:08,182 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 14:16:08,182 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:08,182 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:08,182 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:08,182 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 14:16:08,187 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 14:16:08,187 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:08,233 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:08,233 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 14:16:08,234 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 [2018-11-18 14:16:08,234 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:08,234 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 14:16:08,234 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:08,235 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:08,235 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:08,235 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:08,236 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 14:16:08,237 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:08,245 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:08,245 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 14:16:08,246 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 [2018-11-18 14:16:08,247 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:08,247 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 14:16:08,247 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:08,247 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:08,248 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:08,248 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 14:16:08,250 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 14:16:08,250 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:08,265 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:08,292 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 14:16:08,293 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 14:16:08,293 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 14:16:08,293 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 14:16:08,293 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 14:16:08,293 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:16:08,293 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 14:16:08,293 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 14:16:08,293 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-18 14:16:08,293 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 14:16:08,293 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 14:16:08,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:16:08,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:16:08,376 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 14:16:08,376 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/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 [2018-11-18 14:16:08,389 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:16:08,389 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/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 [2018-11-18 14:16:08,417 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 14:16:08,417 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:16:20,473 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-18 14:16:20,478 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 14:16:20,479 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 14:16:20,479 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 14:16:20,479 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 14:16:20,479 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 14:16:20,479 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:16:20,479 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 14:16:20,479 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 14:16:20,479 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-18 14:16:20,479 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 14:16:20,479 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 14:16:20,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:16:20,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:16:20,561 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 14:16:20,562 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 14:16:20,562 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 [2018-11-18 14:16:20,563 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:20,563 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,563 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,563 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:16:20,565 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 14:16:20,565 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 14:16:20,573 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,574 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 [2018-11-18 14:16:20,574 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:20,574 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:20,575 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,575 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,575 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:16:20,575 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:16:20,575 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:20,576 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,576 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 14:16:20,576 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 [2018-11-18 14:16:20,577 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:20,577 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,577 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,577 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 14:16:20,579 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 14:16:20,580 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 14:16:20,591 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,592 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 [2018-11-18 14:16:20,592 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:20,592 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:20,593 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,594 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,594 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 14:16:20,595 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 14:16:20,595 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:20,595 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,595 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 14:16:20,596 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 [2018-11-18 14:16:20,596 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:20,596 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,596 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,597 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:20,599 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 14:16:20,599 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 14:16:20,614 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,614 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 [2018-11-18 14:16:20,615 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:20,615 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:20,615 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,615 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,616 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:20,616 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 14:16:20,616 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:20,617 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,617 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 14:16:20,618 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 [2018-11-18 14:16:20,618 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:20,618 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,618 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,618 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 14:16:20,621 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 14:16:20,621 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 14:16:20,638 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,639 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 [2018-11-18 14:16:20,639 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:20,639 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:20,639 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,640 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,640 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 14:16:20,640 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 14:16:20,640 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:20,641 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,641 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 14:16:20,641 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 [2018-11-18 14:16:20,642 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:20,642 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 14:16:20,642 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,642 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,642 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 14:16:20,644 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 14:16:20,644 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 14:16:20,666 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,666 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 [2018-11-18 14:16:20,667 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:20,667 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 14:16:20,667 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:20,667 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,667 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,667 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 14:16:20,668 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 14:16:20,668 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:20,668 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,669 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 14:16:20,669 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 [2018-11-18 14:16:20,669 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:20,670 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 14:16:20,670 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,670 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,670 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:20,673 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 14:16:20,673 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 14:16:20,716 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,716 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 [2018-11-18 14:16:20,717 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:20,717 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 14:16:20,717 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:20,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,717 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,717 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:20,718 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 14:16:20,718 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:20,719 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,719 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 14:16:20,720 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 [2018-11-18 14:16:20,720 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:20,720 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 14:16:20,721 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,721 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,721 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 14:16:20,725 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 14:16:20,726 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 14:16:20,817 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,817 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 [2018-11-18 14:16:20,818 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:20,818 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 14:16:20,818 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:20,818 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,818 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,818 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 14:16:20,820 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 14:16:20,820 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:20,820 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,821 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 14:16:20,821 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 [2018-11-18 14:16:20,822 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:20,822 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 14:16:20,822 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,822 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,823 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:20,825 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 14:16:20,825 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 14:16:20,847 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,847 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 [2018-11-18 14:16:20,848 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:20,848 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 14:16:20,848 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:20,848 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,848 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,849 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:20,849 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 14:16:20,850 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:20,851 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,851 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 14:16:20,851 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 [2018-11-18 14:16:20,852 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:20,852 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 14:16:20,852 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,852 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,852 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 14:16:20,856 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-18 14:16:20,857 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-18 14:16:20,907 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,908 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 [2018-11-18 14:16:20,908 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:20,908 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 14:16:20,909 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:20,909 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:20,909 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:20,909 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 14:16:20,909 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 14:16:20,910 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:20,911 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:20,912 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-18 14:16:20,913 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0; 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 9#L11-3true [2018-11-18 14:16:20,913 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 9#L11-3true [2018-11-18 14:16:20,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:16:20,913 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 2 times [2018-11-18 14:16:20,913 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:16:20,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:16:20,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:16:20,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:16:20,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:16:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:16:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:16:20,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:16:20,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 2 times [2018-11-18 14:16:20,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:16:20,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:16:20,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:16:20,924 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:16:20,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:16:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:16:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:16:20,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:16:20,929 INFO L82 PathProgramCache]: Analyzing trace with hash 889541199, now seen corresponding path program 3 times [2018-11-18 14:16:20,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:16:20,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:16:20,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:16:20,930 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:16:20,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:16:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:16:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:16:20,953 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 14:16:20,953 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 14:16:20,953 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 14:16:20,953 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 14:16:20,953 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 14:16:20,953 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:16:20,954 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 14:16:20,954 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 14:16:20,954 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-18 14:16:20,954 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 14:16:20,954 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 14:16:20,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:16:21,053 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 14:16:21,053 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/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 [2018-11-18 14:16:21,062 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:16:21,062 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/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 [2018-11-18 14:16:21,097 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 14:16:21,097 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:16:37,294 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-18 14:16:37,299 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 14:16:37,299 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 14:16:37,299 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 14:16:37,300 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 14:16:37,300 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 14:16:37,300 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:16:37,300 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 14:16:37,300 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 14:16:37,300 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-18 14:16:37,300 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 14:16:37,300 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 14:16:37,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:16:37,349 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 14:16:37,349 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 14:16:37,349 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 [2018-11-18 14:16:37,350 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:37,350 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:37,350 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:37,350 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:37,350 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:16:37,350 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:16:37,351 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:37,355 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:37,355 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 14:16:37,355 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 [2018-11-18 14:16:37,356 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:37,356 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:37,356 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:37,356 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:37,356 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 14:16:37,357 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 14:16:37,357 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:37,359 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:37,359 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 14:16:37,359 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 [2018-11-18 14:16:37,360 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:37,360 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:37,360 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:37,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:37,360 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:37,363 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 14:16:37,363 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:37,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:37,366 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 14:16:37,366 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 [2018-11-18 14:16:37,367 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:37,367 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:37,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:37,367 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:37,367 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 14:16:37,368 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 14:16:37,368 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:37,375 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:37,375 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 14:16:37,376 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 [2018-11-18 14:16:37,376 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:37,376 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 14:16:37,376 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:37,376 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:37,376 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:37,377 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 14:16:37,377 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 14:16:37,377 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:37,384 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:37,384 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 14:16:37,385 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 [2018-11-18 14:16:37,385 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:37,385 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 14:16:37,385 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:37,385 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:37,386 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:37,386 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:37,387 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 14:16:37,387 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:37,400 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:37,400 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 14:16:37,401 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 [2018-11-18 14:16:37,401 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:37,401 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 14:16:37,401 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:37,402 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:37,402 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:37,402 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 14:16:37,404 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 14:16:37,404 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:37,425 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:37,426 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 14:16:37,426 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 [2018-11-18 14:16:37,426 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:37,427 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 14:16:37,427 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:37,427 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:37,427 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:37,427 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:37,428 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 14:16:37,428 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:37,434 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:37,434 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 14:16:37,434 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 [2018-11-18 14:16:37,435 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:37,435 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 14:16:37,435 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:37,435 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:37,435 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:37,435 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 14:16:37,437 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 14:16:37,437 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:37,449 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:37,466 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 14:16:37,466 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 14:16:37,466 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 14:16:37,466 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 14:16:37,466 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 14:16:37,466 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:16:37,467 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 14:16:37,467 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 14:16:37,467 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-18 14:16:37,467 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 14:16:37,467 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 14:16:37,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:16:37,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:16:37,585 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 14:16:37,586 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/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 [2018-11-18 14:16:37,588 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 14:16:37,588 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9ab2428-5f90-4071-a6da-8944f6143223/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 [2018-11-18 14:16:37,619 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 14:16:37,619 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 14:16:51,561 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-18 14:16:51,569 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 14:16:51,569 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 14:16:51,569 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 14:16:51,569 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 14:16:51,569 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 14:16:51,569 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:16:51,569 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 14:16:51,569 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 14:16:51,569 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-18 14:16:51,569 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 14:16:51,569 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 14:16:51,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:16:51,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 14:16:51,639 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 14:16:51,639 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 14:16:51,640 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 [2018-11-18 14:16:51,640 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:51,640 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,640 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,640 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:16:51,643 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 14:16:51,643 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 14:16:51,648 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,648 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 [2018-11-18 14:16:51,649 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:51,649 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:51,649 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,649 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,649 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 14:16:51,649 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 14:16:51,650 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:51,650 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,650 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 14:16:51,650 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 [2018-11-18 14:16:51,650 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:51,651 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,651 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,651 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 14:16:51,652 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 14:16:51,652 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 14:16:51,659 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,659 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 [2018-11-18 14:16:51,659 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:51,659 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:51,659 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,660 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,660 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 14:16:51,660 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 14:16:51,660 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:51,660 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,660 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 14:16:51,661 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 [2018-11-18 14:16:51,661 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:51,661 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,661 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,661 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:51,663 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 14:16:51,663 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 14:16:51,674 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,674 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 [2018-11-18 14:16:51,674 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:51,675 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:51,675 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,675 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,675 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:51,675 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 14:16:51,675 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:51,676 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,676 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 14:16:51,676 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 [2018-11-18 14:16:51,676 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:51,676 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,676 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,676 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 14:16:51,679 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 14:16:51,679 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 14:16:51,690 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,691 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 [2018-11-18 14:16:51,691 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 14:16:51,691 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:51,691 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,691 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 14:16:51,692 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 14:16:51,692 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:51,692 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,692 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 14:16:51,692 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 [2018-11-18 14:16:51,693 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:51,693 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 14:16:51,693 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,693 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,693 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 14:16:51,695 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 14:16:51,695 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 14:16:51,716 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,717 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 [2018-11-18 14:16:51,717 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:51,717 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 14:16:51,717 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:51,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,718 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,718 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 14:16:51,718 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 14:16:51,718 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:51,719 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,719 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 14:16:51,719 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 [2018-11-18 14:16:51,719 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:51,720 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 14:16:51,720 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,720 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,720 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:51,723 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 14:16:51,723 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 14:16:51,764 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,764 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 [2018-11-18 14:16:51,765 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:51,765 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 14:16:51,765 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:51,765 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,765 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,765 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:51,766 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 14:16:51,766 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:51,766 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,767 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 14:16:51,767 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 [2018-11-18 14:16:51,767 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:51,767 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 14:16:51,768 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,768 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,768 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 14:16:51,771 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 14:16:51,771 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 14:16:51,826 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,826 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 [2018-11-18 14:16:51,827 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:51,827 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 14:16:51,827 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:51,827 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,827 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,827 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 14:16:51,828 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 14:16:51,828 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:51,828 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,829 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 14:16:51,829 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 [2018-11-18 14:16:51,829 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:51,829 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 14:16:51,829 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,829 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:51,831 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 14:16:51,832 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 14:16:51,856 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,856 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 [2018-11-18 14:16:51,856 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:51,856 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 14:16:51,857 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:51,857 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,857 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,857 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 14:16:51,857 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 14:16:51,857 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:51,858 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,858 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 14:16:51,858 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 [2018-11-18 14:16:51,859 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:51,859 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 14:16:51,859 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,859 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,859 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 14:16:51,862 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-18 14:16:51,862 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-18 14:16:51,920 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,920 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 [2018-11-18 14:16:51,920 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 14:16:51,921 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 14:16:51,921 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 14:16:51,921 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 14:16:51,921 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 14:16:51,921 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 14:16:51,921 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 14:16:51,921 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 14:16:51,923 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 14:16:51,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:16:51 BoogieIcfgContainer [2018-11-18 14:16:51,926 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:16:51,927 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:16:51,927 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:16:51,927 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:16:51,927 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:15:50" (3/4) ... [2018-11-18 14:16:51,930 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 14:16:51,930 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:16:51,930 INFO L168 Benchmark]: Toolchain (without parser) took 61408.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 958.4 MB in the beginning and 848.5 MB in the end (delta: 109.9 MB). Peak memory consumption was 232.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:16:51,931 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:16:51,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.12 ms. Allocated memory is still 1.0 GB. Free memory was 958.4 MB in the beginning and 947.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:16:51,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.55 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 945.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:16:51,933 INFO L168 Benchmark]: Boogie Preprocessor took 13.32 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:16:51,933 INFO L168 Benchmark]: RCFGBuilder took 245.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 945.0 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:16:51,933 INFO L168 Benchmark]: BuchiAutomizer took 60975.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 848.5 MB in the end (delta: 262.7 MB). Peak memory consumption was 267.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:16:51,934 INFO L168 Benchmark]: Witness Printer took 3.06 ms. Allocated memory is still 1.2 GB. Free memory is still 848.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:16:51,936 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.12 ms. Allocated memory is still 1.0 GB. Free memory was 958.4 MB in the beginning and 947.7 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 20.55 ms. Allocated memory is still 1.0 GB. Free memory was 947.7 MB in the beginning and 945.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.32 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 245.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 945.0 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 60975.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 848.5 MB in the end (delta: 262.7 MB). Peak memory consumption was 267.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.06 ms. Allocated memory is still 1.2 GB. Free memory is still 848.5 MB. 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 60.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 60.8s. 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: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div644 bol100 ite100 ukn100 eq141 hnf42 smp89 dnf100 smp100 tf102 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 61ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 30.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0;" "assume true;" "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" Loop: "assume true;" "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...