./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call2_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call2_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/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 c77f087773c0ebeb64944776e94bc46443438d1a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:09:08,715 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:09:08,716 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:09:08,727 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:09:08,727 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:09:08,728 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:09:08,729 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:09:08,731 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:09:08,732 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:09:08,733 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:09:08,733 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:09:08,734 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:09:08,734 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:09:08,735 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:09:08,738 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:09:08,739 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:09:08,739 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:09:08,741 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:09:08,742 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:09:08,751 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:09:08,752 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:09:08,753 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:09:08,755 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:09:08,755 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:09:08,758 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:09:08,759 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:09:08,759 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:09:08,760 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:09:08,761 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:09:08,764 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:09:08,764 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:09:08,764 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:09:08,765 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:09:08,765 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:09:08,766 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:09:08,766 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:09:08,766 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-10-27 06:09:08,783 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:09:08,784 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:09:08,785 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:09:08,785 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:09:08,785 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:09:08,785 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:09:08,785 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:09:08,785 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:09:08,786 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:09:08,786 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:09:08,786 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:09:08,786 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:09:08,786 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 06:09:08,786 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:09:08,786 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:09:08,787 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 06:09:08,787 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:09:08,787 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:09:08,787 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:09:08,787 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:09:08,787 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 06:09:08,789 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:09:08,789 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:09:08,790 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:09:08,790 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:09:08,790 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:09:08,790 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:09:08,790 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:09:08,790 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:09:08,791 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:09:08,791 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:09:08,792 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_46a3fc7a-3353-4fd4-b95a-93c324358feb/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 -> c77f087773c0ebeb64944776e94bc46443438d1a [2018-10-27 06:09:08,823 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:09:08,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:09:08,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:09:08,837 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:09:08,838 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:09:08,838 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call2_true-termination.i [2018-10-27 06:09:08,884 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/bin-2019/uautomizer/data/f9490b77a/89acc5d9611d416ca3179bf55f6fbb3f/FLAGab0c6f1d3 [2018-10-27 06:09:09,271 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:09:09,272 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/sv-benchmarks/c/loop-acceleration/simple_true-unreach-call2_true-termination.i [2018-10-27 06:09:09,277 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/bin-2019/uautomizer/data/f9490b77a/89acc5d9611d416ca3179bf55f6fbb3f/FLAGab0c6f1d3 [2018-10-27 06:09:09,289 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/bin-2019/uautomizer/data/f9490b77a/89acc5d9611d416ca3179bf55f6fbb3f [2018-10-27 06:09:09,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:09:09,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:09:09,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:09:09,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:09:09,297 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:09:09,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:09:09" (1/1) ... [2018-10-27 06:09:09,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3731c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:09, skipping insertion in model container [2018-10-27 06:09:09,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:09:09" (1/1) ... [2018-10-27 06:09:09,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:09:09,324 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:09:09,441 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:09:09,443 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:09:09,453 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:09:09,462 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:09:09,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:09 WrapperNode [2018-10-27 06:09:09,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:09:09,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:09:09,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:09:09,463 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:09:09,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:09" (1/1) ... [2018-10-27 06:09:09,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:09" (1/1) ... [2018-10-27 06:09:09,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:09:09,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:09:09,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:09:09,493 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:09:09,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:09" (1/1) ... [2018-10-27 06:09:09,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:09" (1/1) ... [2018-10-27 06:09:09,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:09" (1/1) ... [2018-10-27 06:09:09,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:09" (1/1) ... [2018-10-27 06:09:09,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:09" (1/1) ... [2018-10-27 06:09:09,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:09" (1/1) ... [2018-10-27 06:09:09,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:09" (1/1) ... [2018-10-27 06:09:09,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:09:09,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:09:09,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:09:09,510 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:09:09,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/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 [2018-10-27 06:09:09,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:09:09,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:09:09,833 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:09:09,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:09:09 BoogieIcfgContainer [2018-10-27 06:09:09,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:09:09,835 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:09:09,835 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:09:09,838 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:09:09,839 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:09:09,839 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:09:09" (1/3) ... [2018-10-27 06:09:09,840 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40fdc565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:09:09, skipping insertion in model container [2018-10-27 06:09:09,840 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:09:09,840 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:09:09" (2/3) ... [2018-10-27 06:09:09,841 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40fdc565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:09:09, skipping insertion in model container [2018-10-27 06:09:09,841 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:09:09,841 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:09:09" (3/3) ... [2018-10-27 06:09:09,842 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_true-unreach-call2_true-termination.i [2018-10-27 06:09:09,900 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:09:09,901 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:09:09,901 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:09:09,901 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:09:09,901 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:09:09,901 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:09:09,901 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:09:09,901 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:09:09,901 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:09:09,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-10-27 06:09:09,941 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:09:09,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:09:09,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:09:09,948 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:09:09,948 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:09:09,949 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:09:09,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-10-27 06:09:09,950 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:09:09,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:09:09,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:09:09,950 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:09:09,950 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:09:09,958 INFO L793 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0; 7#L10-3true [2018-10-27 06:09:09,959 INFO L795 eck$LassoCheckResult]: Loop: 7#L10-3true assume true; 12#L10-1true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0; 7#L10-3true [2018-10-27 06:09:09,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:09,966 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-10-27 06:09:09,968 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:09:09,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:09:10,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:10,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:09:10,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:09:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:09:10,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:10,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-10-27 06:09:10,048 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:09:10,048 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:09:10,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:10,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:09:10,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:09:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:09:10,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:10,073 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-10-27 06:09:10,074 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:09:10,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:09:10,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:10,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:09:10,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:09:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:09:10,200 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-27 06:09:10,237 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:09:10,239 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:09:10,239 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:09:10,239 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:09:10,239 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:09:10,239 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:10,240 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:09:10,240 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:09:10,240 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-10-27 06:09:10,240 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:09:10,241 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:09:10,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:10,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:10,439 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:09:10,440 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:10,444 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:09:10,444 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:09:10,450 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:09:10,450 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:10,468 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:09:10,468 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/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 [2018-10-27 06:09:10,489 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:09:10,490 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:09:15,945 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:09:15,947 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:09:15,948 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:09:15,948 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:09:15,948 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:09:15,948 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:09:15,948 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:15,948 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:09:15,948 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:09:15,948 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-10-27 06:09:15,949 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:09:15,949 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:09:15,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:15,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:16,236 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2018-10-27 06:09:16,353 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-27 06:09:16,354 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:09:16,358 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:09:16,359 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 [2018-10-27 06:09:16,360 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:16,360 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,361 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,361 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,361 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:09:16,363 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:09:16,363 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,368 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,368 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 [2018-10-27 06:09:16,369 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:16,369 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,369 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,369 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,370 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:09:16,370 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:09:16,371 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,381 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,381 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:09:16,382 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 [2018-10-27 06:09:16,384 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:16,384 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,388 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,388 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,388 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:16,389 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:16,389 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,390 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,391 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:16,393 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:16,393 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,393 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,393 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,394 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:16,395 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:16,395 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,406 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,407 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:09:16,407 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 [2018-10-27 06:09:16,412 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:16,412 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,412 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,412 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,412 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:16,413 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:16,413 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,415 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,415 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 [2018-10-27 06:09:16,418 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:16,418 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,418 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,418 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,418 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:16,420 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:16,420 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,438 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,438 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:09:16,438 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 [2018-10-27 06:09:16,439 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:16,440 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,441 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,441 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,441 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:16,442 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:16,442 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,443 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,444 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:16,444 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:16,445 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,445 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,445 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,445 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:16,447 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:16,447 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,465 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,465 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:09:16,465 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 [2018-10-27 06:09:16,466 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:16,466 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:16,466 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,467 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,467 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,467 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:16,470 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:16,470 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,473 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,473 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 [2018-10-27 06:09:16,474 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:16,474 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:16,474 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,474 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,474 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,475 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:16,478 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:16,479 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,524 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,524 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:09:16,525 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 [2018-10-27 06:09:16,526 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:16,526 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:09:16,526 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,526 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,526 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,526 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:16,531 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:16,531 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,534 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,534 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 [2018-10-27 06:09:16,535 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:16,535 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:09:16,535 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,541 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,541 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,541 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:16,545 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:16,545 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,586 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,586 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:09:16,587 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 [2018-10-27 06:09:16,589 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:16,589 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:16,589 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,589 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,589 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,590 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:16,592 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:16,592 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,595 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,595 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 [2018-10-27 06:09:16,596 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:16,596 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:16,597 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,597 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,597 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,597 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:16,602 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:16,602 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,670 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,670 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:09:16,670 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 [2018-10-27 06:09:16,671 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:16,671 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:16,671 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,674 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,674 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,674 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:16,675 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:16,675 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,678 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,678 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 [2018-10-27 06:09:16,679 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:16,679 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:16,679 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,679 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,679 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,687 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:16,688 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:16,689 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,707 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,707 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:09:16,711 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:16,714 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:16,716 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:16,716 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,717 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,717 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:09:16,718 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:09:16,718 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,726 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,731 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 [2018-10-27 06:09:16,731 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:16,731 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:16,732 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:16,732 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:16,732 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:16,732 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:09:16,734 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:09:16,734 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:16,758 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:16,797 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:09:16,797 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:09:16,797 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:09:16,797 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:09:16,797 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:09:16,798 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:16,798 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:09:16,798 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:09:16,798 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-10-27 06:09:16,798 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:09:16,798 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:09:16,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:16,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:16,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:16,986 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:09:16,986 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/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 [2018-10-27 06:09:16,989 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:09:16,989 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:09:17,008 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:09:17,009 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/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) [2018-10-27 06:09:17,045 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:09:17,045 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:17,056 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:09:17,056 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/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 [2018-10-27 06:09:17,083 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:09:17,083 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/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 [2018-10-27 06:09:17,106 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:09:17,106 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:09:29,168 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-10-27 06:09:29,170 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:09:29,171 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:09:29,171 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:09:29,171 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:09:29,171 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:09:29,171 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:29,171 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:09:29,171 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:09:29,172 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-10-27 06:09:29,172 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:09:29,172 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:09:29,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:29,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:29,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:29,378 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:09:29,378 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:09:29,379 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 [2018-10-27 06:09:29,379 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:29,380 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,380 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,380 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,380 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:09:29,381 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:09:29,381 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,381 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,382 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 [2018-10-27 06:09:29,382 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:29,382 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,383 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,383 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,383 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:09:29,388 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:09:29,388 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,391 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,392 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 [2018-10-27 06:09:29,392 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:29,392 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,393 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,393 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,393 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:09:29,393 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:09:29,393 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,394 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,394 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:09:29,395 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 [2018-10-27 06:09:29,395 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:29,395 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,400 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,400 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,400 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:29,401 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:29,401 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,403 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,403 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 [2018-10-27 06:09:29,404 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:29,404 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,404 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,404 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,405 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:29,405 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:29,405 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,412 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,412 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 [2018-10-27 06:09:29,412 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:29,413 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,413 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,413 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,413 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:29,414 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:29,414 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,414 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,414 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:09:29,415 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 [2018-10-27 06:09:29,415 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:29,420 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,420 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,420 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,421 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:29,421 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:29,421 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,422 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,422 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 [2018-10-27 06:09:29,423 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:29,423 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,423 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,423 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,423 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:29,428 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:29,428 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,433 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,433 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 [2018-10-27 06:09:29,434 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:29,434 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,434 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,434 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,434 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:29,435 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:29,435 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,439 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,439 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:09:29,439 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 [2018-10-27 06:09:29,440 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:29,440 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,440 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,440 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,440 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:29,441 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:29,441 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,442 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,442 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 [2018-10-27 06:09:29,442 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:29,443 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,443 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,443 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,443 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:29,449 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:29,450 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,456 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,457 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 [2018-10-27 06:09:29,457 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:29,457 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,458 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,458 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,458 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:29,459 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:29,459 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,463 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,463 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:09:29,463 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 [2018-10-27 06:09:29,464 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:29,464 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:29,464 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,465 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:29,466 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:29,466 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,466 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,467 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 [2018-10-27 06:09:29,472 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:29,473 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:29,473 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,473 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,473 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,473 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:29,474 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:29,474 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,487 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,488 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 [2018-10-27 06:09:29,488 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:29,489 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:29,489 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,489 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,489 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,489 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:29,490 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:29,490 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,491 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,491 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:09:29,491 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 [2018-10-27 06:09:29,495 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:29,495 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:09:29,496 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,496 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,496 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,496 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:29,497 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:29,497 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,498 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,499 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 [2018-10-27 06:09:29,499 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:29,504 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:09:29,504 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,504 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,504 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,505 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:29,506 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:29,506 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,524 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,524 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 [2018-10-27 06:09:29,525 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:29,525 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:09:29,525 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,526 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,526 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,526 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:29,527 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:29,527 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,532 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,532 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:09:29,533 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 [2018-10-27 06:09:29,533 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:29,534 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:29,534 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,534 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,534 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,534 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:29,539 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:29,540 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,541 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,541 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 [2018-10-27 06:09:29,542 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:29,542 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:29,542 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,542 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,543 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,543 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:29,549 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:29,549 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,579 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,580 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 [2018-10-27 06:09:29,580 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:29,581 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:29,581 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,581 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,581 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,581 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:29,583 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:29,583 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,588 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,588 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:09:29,588 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 [2018-10-27 06:09:29,589 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:29,589 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:29,589 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,589 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,589 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,590 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:29,590 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:29,590 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,596 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,596 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 [2018-10-27 06:09:29,597 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:29,597 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:29,597 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,597 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,597 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,597 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:29,598 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:29,598 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,609 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,610 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 [2018-10-27 06:09:29,610 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:29,610 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:29,611 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,613 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,614 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,614 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:29,615 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:29,615 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,617 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,617 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:09:29,617 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 [2018-10-27 06:09:29,618 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:29,618 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:29,618 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,619 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,619 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,619 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:09:29,624 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:09:29,624 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,627 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,627 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 [2018-10-27 06:09:29,629 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:29,629 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:29,629 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,629 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,629 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,629 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:09:29,631 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:09:29,631 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,647 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,648 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 [2018-10-27 06:09:29,649 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:29,649 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:29,649 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:29,649 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:29,649 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:29,649 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:09:29,650 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:09:29,651 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:29,658 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:29,659 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-10-27 06:09:29,660 INFO L793 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0; 7#L10-3true assume true; 12#L10-1true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0; 7#L10-3true [2018-10-27 06:09:29,660 INFO L795 eck$LassoCheckResult]: Loop: 7#L10-3true assume true; 12#L10-1true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0; 7#L10-3true [2018-10-27 06:09:29,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:29,661 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 2 times [2018-10-27 06:09:29,661 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:09:29,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:09:29,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:29,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:09:29,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:09:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:09:29,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:29,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 2 times [2018-10-27 06:09:29,671 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:09:29,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:09:29,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:29,672 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:09:29,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:09:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:09:29,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:09:29,679 INFO L82 PathProgramCache]: Analyzing trace with hash 889541199, now seen corresponding path program 3 times [2018-10-27 06:09:29,679 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:09:29,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:09:29,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:29,680 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:09:29,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:09:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:09:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:09:29,868 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:09:29,868 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:09:29,868 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:09:29,868 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:09:29,868 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:09:29,868 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:29,868 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:09:29,869 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:09:29,869 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-10-27 06:09:29,869 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:09:29,869 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:09:29,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:29,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:30,150 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2018-10-27 06:09:30,196 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:09:30,197 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/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) [2018-10-27 06:09:30,209 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:09:30,210 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:30,232 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:09:30,232 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:30,257 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:09:30,257 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:30,289 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:09:30,289 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:09:42,342 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-10-27 06:09:42,346 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:09:42,346 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:09:42,346 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:09:42,346 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:09:42,346 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:09:42,347 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:42,347 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:09:42,347 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:09:42,347 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-10-27 06:09:42,347 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:09:42,347 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:09:42,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:42,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:42,426 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:09:42,426 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:09:42,426 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 [2018-10-27 06:09:42,427 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:42,427 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,427 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,427 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,427 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:09:42,427 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:09:42,427 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,428 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,429 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 [2018-10-27 06:09:42,429 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:42,429 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,429 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,429 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,430 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:09:42,430 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:09:42,430 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,432 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,432 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:09:42,433 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 [2018-10-27 06:09:42,433 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:42,433 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,433 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,434 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,434 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:42,434 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:42,434 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,435 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,435 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 [2018-10-27 06:09:42,435 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:42,435 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,436 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,436 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,436 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:42,436 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:42,437 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,439 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,439 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:09:42,440 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:42,440 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:42,440 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,441 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,441 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,441 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:42,441 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:42,441 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,442 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,442 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 [2018-10-27 06:09:42,443 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:42,443 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,443 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,443 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,443 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:42,444 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:42,444 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,447 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,447 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:09:42,448 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 [2018-10-27 06:09:42,448 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:42,448 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,449 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,449 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,449 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:42,449 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:42,449 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,450 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,450 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 [2018-10-27 06:09:42,451 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:42,451 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,451 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,451 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,451 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:42,452 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:42,452 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,456 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,456 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:09:42,456 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 [2018-10-27 06:09:42,457 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:42,457 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:42,457 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,457 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,457 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,458 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:42,458 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:42,458 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,459 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,459 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 [2018-10-27 06:09:42,460 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:42,460 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:42,460 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,460 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,460 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,461 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:42,461 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:42,462 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,471 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,471 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:09:42,473 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 [2018-10-27 06:09:42,474 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:42,474 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:09:42,474 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,474 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,474 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,474 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:42,475 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:42,475 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,476 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,477 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 [2018-10-27 06:09:42,477 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:42,478 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:09:42,478 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,478 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,478 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,478 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:42,479 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:42,481 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,495 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,495 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:09:42,496 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 [2018-10-27 06:09:42,496 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:42,497 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:42,497 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,497 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,497 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,497 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:42,498 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:42,499 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,499 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,501 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 [2018-10-27 06:09:42,502 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:42,502 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:42,502 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,503 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,503 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,503 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:42,505 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:42,505 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,553 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,553 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:09:42,554 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 [2018-10-27 06:09:42,554 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:42,555 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:42,555 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,555 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,555 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,555 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:42,557 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:42,557 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,558 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,559 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 [2018-10-27 06:09:42,559 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:42,562 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:42,562 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,562 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,562 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,562 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:42,563 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:42,563 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,570 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,570 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:09:42,571 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 [2018-10-27 06:09:42,573 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:42,573 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:42,573 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,573 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,573 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,574 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:09:42,574 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:09:42,575 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,577 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,578 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 [2018-10-27 06:09:42,578 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:42,579 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:42,579 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:42,579 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:42,579 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:42,579 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:09:42,581 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:09:42,581 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:42,591 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:42,716 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:09:42,716 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:09:42,716 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:09:42,716 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:09:42,716 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:09:42,716 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:42,716 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:09:42,717 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:09:42,717 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-10-27 06:09:42,717 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:09:42,717 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:09:42,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:42,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:42,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:43,148 WARN L179 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-10-27 06:09:43,504 WARN L179 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2018-10-27 06:09:43,675 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 06:09:43,850 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-27 06:09:43,861 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:09:43,861 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:43,867 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:09:43,867 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46a3fc7a-3353-4fd4-b95a-93c324358feb/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:43,891 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:09:43,891 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:09:55,936 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-10-27 06:09:55,939 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:09:55,939 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:09:55,939 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:09:55,939 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:09:55,939 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:09:55,939 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:09:55,939 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:09:55,940 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:09:55,940 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-10-27 06:09:55,940 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:09:55,940 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:09:55,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:55,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:55,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:09:56,076 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-10-27 06:09:56,317 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:09:56,317 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:09:56,317 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 [2018-10-27 06:09:56,318 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:56,318 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,318 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,318 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:09:56,324 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:09:56,325 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:09:56,334 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,337 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 [2018-10-27 06:09:56,339 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:56,339 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,339 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,339 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,340 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:09:56,340 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:09:56,340 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,340 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,341 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 [2018-10-27 06:09:56,341 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:56,341 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,342 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,342 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,342 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:09:56,342 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:09:56,342 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,343 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,343 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:09:56,343 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:56,343 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:56,344 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,344 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,344 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:56,345 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:09:56,346 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:09:56,362 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,362 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 [2018-10-27 06:09:56,363 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:56,363 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,363 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:56,363 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:56,363 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,364 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,364 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 [2018-10-27 06:09:56,364 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:56,365 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,365 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,365 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,365 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:56,365 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:56,365 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,366 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,366 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:09:56,366 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 [2018-10-27 06:09:56,366 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:56,366 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,366 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,367 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:56,381 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:09:56,381 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:09:56,391 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,391 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:56,392 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:56,392 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,392 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,392 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,392 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:56,392 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:56,393 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,393 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,393 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 [2018-10-27 06:09:56,394 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:56,394 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,394 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,394 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,394 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:56,394 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:56,395 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,395 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,395 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:09:56,395 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 [2018-10-27 06:09:56,405 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:56,406 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,406 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,406 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:56,408 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:09:56,408 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:09:56,423 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,423 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:09:56,424 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:56,424 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,424 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,424 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,425 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:56,425 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:56,425 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,426 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,426 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 [2018-10-27 06:09:56,426 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:09:56,426 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,426 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,427 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,427 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:56,427 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:56,427 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,437 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,437 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:09:56,437 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 [2018-10-27 06:09:56,438 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:56,438 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:56,438 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,438 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,438 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:56,440 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:09:56,441 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:09:56,459 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,459 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 [2018-10-27 06:09:56,460 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:56,460 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:56,461 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,461 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,461 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,461 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:56,461 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:56,461 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,462 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,462 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 [2018-10-27 06:09:56,463 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:56,463 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:56,463 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,463 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,463 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,463 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:09:56,472 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:09:56,472 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,472 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,473 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:09:56,473 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 [2018-10-27 06:09:56,473 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:56,473 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:09:56,474 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,474 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,474 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:56,476 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:09:56,476 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:09:56,504 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,504 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 [2018-10-27 06:09:56,505 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:56,505 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:09:56,505 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,505 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,505 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,505 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:56,506 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:56,506 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,507 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,513 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 [2018-10-27 06:09:56,513 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:56,513 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:09:56,514 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,514 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,514 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,514 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:56,514 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:56,515 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,515 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,515 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:09:56,516 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 [2018-10-27 06:09:56,516 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:56,516 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:56,516 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,517 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,517 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:56,528 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:09:56,528 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:09:56,586 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,586 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 [2018-10-27 06:09:56,586 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:56,587 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:56,587 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,587 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,587 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,587 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:56,593 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:56,593 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,594 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,594 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 [2018-10-27 06:09:56,598 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:56,598 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:56,598 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,598 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,598 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,598 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:09:56,599 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:09:56,600 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,600 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,600 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:09:56,600 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 [2018-10-27 06:09:56,601 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:56,601 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:56,601 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,601 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,601 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:56,612 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:09:56,612 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:09:56,621 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,621 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 [2018-10-27 06:09:56,622 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:56,622 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:56,622 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,622 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,622 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,622 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:56,623 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:56,623 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,630 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,630 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 [2018-10-27 06:09:56,631 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:56,631 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:09:56,631 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,631 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,631 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,631 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:09:56,632 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:09:56,632 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,633 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,633 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:09:56,633 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 [2018-10-27 06:09:56,634 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:56,634 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:56,634 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,634 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,634 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:09:56,648 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-10-27 06:09:56,648 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:09:56,673 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,674 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 [2018-10-27 06:09:56,675 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:56,675 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:56,675 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,675 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,675 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,675 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:09:56,676 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:09:56,676 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,678 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,678 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 [2018-10-27 06:09:56,679 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:09:56,679 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:09:56,679 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:09:56,679 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:09:56,679 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:09:56,689 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:09:56,690 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:09:56,690 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:09:56,691 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:09:56,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:09:56 BoogieIcfgContainer [2018-10-27 06:09:56,701 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:09:56,701 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:09:56,701 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:09:56,702 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:09:56,702 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:09:09" (3/4) ... [2018-10-27 06:09:56,710 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:09:56,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:09:56,712 INFO L168 Benchmark]: Toolchain (without parser) took 47420.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -96.9 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. [2018-10-27 06:09:56,714 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:09:56,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.24 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-27 06:09:56,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.28 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. [2018-10-27 06:09:56,716 INFO L168 Benchmark]: Boogie Preprocessor took 16.91 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:09:56,718 INFO L168 Benchmark]: RCFGBuilder took 324.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-10-27 06:09:56,719 INFO L168 Benchmark]: BuchiAutomizer took 46866.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 72.3 MB). Peak memory consumption was 265.6 MB. Max. memory is 11.5 GB. [2018-10-27 06:09:56,719 INFO L168 Benchmark]: Witness Printer took 9.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:09:56,722 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 169.24 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.28 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. * Boogie Preprocessor took 16.91 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 324.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 46866.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 72.3 MB). Peak memory consumption was 265.6 MB. Max. memory is 11.5 GB. * Witness Printer took 9.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 46.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 46.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div487 bol100 ite100 ukn100 eq142 hnf45 smp90 dnf100 smp100 tf103 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 39ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.1s - 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_#t~post0, main_~x~0;havoc main_~x~0;" "assume true;" "assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;" Loop: "assume true;" "assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...