./Ultimate.py --spec ../../sv-benchmarks/c/properties/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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/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_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/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 0.1.23-635dfa2 [2018-12-02 08:54:02,603 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:54:02,604 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:54:02,610 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:54:02,610 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:54:02,611 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:54:02,611 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:54:02,612 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:54:02,613 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:54:02,613 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:54:02,614 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:54:02,614 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:54:02,614 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:54:02,615 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:54:02,615 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:54:02,616 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:54:02,616 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:54:02,617 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:54:02,618 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:54:02,619 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:54:02,619 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:54:02,620 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:54:02,621 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:54:02,621 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:54:02,621 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:54:02,622 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:54:02,622 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:54:02,623 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:54:02,623 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:54:02,623 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:54:02,624 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:54:02,624 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:54:02,624 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:54:02,624 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:54:02,625 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:54:02,625 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:54:02,625 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 08:54:02,633 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:54:02,633 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:54:02,634 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 08:54:02,634 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 08:54:02,634 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 08:54:02,634 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 08:54:02,634 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 08:54:02,634 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 08:54:02,634 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 08:54:02,634 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 08:54:02,634 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 08:54:02,634 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:54:02,635 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:54:02,635 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 08:54:02,635 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:54:02,635 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:54:02,635 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:54:02,635 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 08:54:02,635 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 08:54:02,635 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 08:54:02,635 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:54:02,635 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:54:02,635 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 08:54:02,636 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 08:54:02,636 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 08:54:02,636 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:54:02,636 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:54:02,636 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 08:54:02,636 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:54:02,636 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 08:54:02,636 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 08:54:02,637 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 08:54:02,637 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_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/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 [2018-12-02 08:54:02,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:54:02,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:54:02,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:54:02,667 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:54:02,667 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:54:02,668 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call2_true-termination.i [2018-12-02 08:54:02,707 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/data/81ba90424/6ffd23f07a0249c68fc63dca79ba2b74/FLAG9ab0e2425 [2018-12-02 08:54:03,086 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:54:03,086 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/sv-benchmarks/c/loop-acceleration/simple_true-unreach-call2_true-termination.i [2018-12-02 08:54:03,090 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/data/81ba90424/6ffd23f07a0249c68fc63dca79ba2b74/FLAG9ab0e2425 [2018-12-02 08:54:03,098 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/data/81ba90424/6ffd23f07a0249c68fc63dca79ba2b74 [2018-12-02 08:54:03,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:54:03,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:54:03,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:54:03,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:54:03,103 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:54:03,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:54:03" (1/1) ... [2018-12-02 08:54:03,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8d930f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:03, skipping insertion in model container [2018-12-02 08:54:03,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:54:03" (1/1) ... [2018-12-02 08:54:03,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:54:03,117 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:54:03,196 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:54:03,198 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:54:03,206 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:54:03,214 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:54:03,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:03 WrapperNode [2018-12-02 08:54:03,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:54:03,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:54:03,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:54:03,214 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:54:03,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:03" (1/1) ... [2018-12-02 08:54:03,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:03" (1/1) ... [2018-12-02 08:54:03,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:54:03,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:54:03,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:54:03,231 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:54:03,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:03" (1/1) ... [2018-12-02 08:54:03,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:03" (1/1) ... [2018-12-02 08:54:03,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:03" (1/1) ... [2018-12-02 08:54:03,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:03" (1/1) ... [2018-12-02 08:54:03,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:03" (1/1) ... [2018-12-02 08:54:03,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:03" (1/1) ... [2018-12-02 08:54:03,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:03" (1/1) ... [2018-12-02 08:54:03,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:54:03,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:54:03,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:54:03,269 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:54:03,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:54:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:54:03,384 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:54:03,384 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 08:54:03,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:54:03 BoogieIcfgContainer [2018-12-02 08:54:03,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:54:03,385 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 08:54:03,385 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 08:54:03,387 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 08:54:03,388 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 08:54:03,388 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 08:54:03" (1/3) ... [2018-12-02 08:54:03,389 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38d75b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:54:03, skipping insertion in model container [2018-12-02 08:54:03,389 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 08:54:03,389 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:54:03" (2/3) ... [2018-12-02 08:54:03,390 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38d75b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:54:03, skipping insertion in model container [2018-12-02 08:54:03,390 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 08:54:03,390 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:54:03" (3/3) ... [2018-12-02 08:54:03,391 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_true-unreach-call2_true-termination.i [2018-12-02 08:54:03,426 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 08:54:03,426 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 08:54:03,426 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 08:54:03,426 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 08:54:03,426 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:54:03,426 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:54:03,426 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 08:54:03,426 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:54:03,426 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 08:54:03,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-02 08:54:03,447 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-02 08:54:03,447 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 08:54:03,447 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 08:54:03,453 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-02 08:54:03,453 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-02 08:54:03,453 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 08:54:03,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-02 08:54:03,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-02 08:54:03,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 08:54:03,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 08:54:03,454 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-02 08:54:03,454 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-02 08:54:03,461 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0; 7#L10-2true [2018-12-02 08:54:03,461 INFO L796 eck$LassoCheckResult]: Loop: 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2018-12-02 08:54:03,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:54:03,466 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-02 08:54:03,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:54:03,467 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:54:03,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:54:03,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:54:03,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:54:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:54:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:54:03,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:54:03,520 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-12-02 08:54:03,520 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:54:03,520 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:54:03,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:54:03,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:54:03,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:54:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:54:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:54:03,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:54:03,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-12-02 08:54:03,533 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:54:03,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:54:03,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:54:03,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:54:03,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:54:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:54:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:54:03,565 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 08:54:03,566 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 08:54:03,566 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 08:54:03,566 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 08:54:03,566 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 08:54:03,567 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:03,567 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 08:54:03,567 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 08:54:03,567 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-12-02 08:54:03,567 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 08:54:03,567 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 08:54:03,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:03,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:03,646 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 08:54:03,646 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:03,650 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 08:54:03,650 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:03,669 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 08:54:03,669 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 08:54:04,331 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-02 08:54:04,335 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 08:54:04,335 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 08:54:04,335 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 08:54:04,335 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 08:54:04,335 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 08:54:04,335 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:04,335 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 08:54:04,335 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 08:54:04,335 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-12-02 08:54:04,335 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 08:54:04,335 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 08:54:04,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:04,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:04,386 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 08:54:04,390 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 08:54:04,391 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:04,392 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:04,393 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,393 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,393 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,393 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:54:04,396 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:54:04,396 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,403 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,403 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 [2018-12-02 08:54:04,404 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:04,404 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,404 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,404 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,404 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:54:04,404 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:54:04,405 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,405 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,405 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-02 08:54:04,406 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:04,406 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:04,406 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,406 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,406 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,406 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:04,407 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:04,407 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,413 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,413 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:04,414 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:04,414 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,414 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,414 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,414 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:04,415 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:04,415 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,415 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,415 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-02 08:54:04,416 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:04,416 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:04,416 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,416 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,416 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,416 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:04,417 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:04,417 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,426 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,426 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 [2018-12-02 08:54:04,426 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:04,426 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,426 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,426 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,427 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:04,427 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:04,427 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,428 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,428 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-02 08:54:04,428 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:04,429 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:04,429 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,429 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,429 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,429 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:04,431 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:04,431 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,440 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,441 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:04,441 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:04,441 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,441 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,441 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,442 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:04,442 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:04,442 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,443 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,444 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-02 08:54:04,444 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:04,444 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:04,445 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:04,445 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,445 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,445 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,445 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:04,446 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:04,446 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,465 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,466 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:04,466 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:04,467 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:04,467 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,467 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,467 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,467 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:04,468 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:04,468 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,469 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,469 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-02 08:54:04,470 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:04,470 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:04,471 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:54:04,471 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,471 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,471 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,471 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:04,473 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:04,474 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,495 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,495 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:04,496 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:04,496 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:54:04,497 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,497 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,497 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,497 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:04,498 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:04,498 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,500 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,500 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-02 08:54:04,501 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 [2018-12-02 08:54:04,502 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:04,502 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:04,502 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,502 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,502 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,502 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:04,505 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:04,505 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,536 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,536 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:04,537 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:04,537 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:04,537 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,538 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,538 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,538 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:04,539 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:04,539 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,540 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,541 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-02 08:54:04,541 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 [2018-12-02 08:54:04,542 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:04,542 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:04,542 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,542 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,542 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,542 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:04,543 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:04,543 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,550 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,551 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:04,551 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:04,551 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:04,552 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,552 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,552 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,552 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:04,553 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:04,553 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,555 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,555 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-02 08:54:04,555 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:04,556 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:04,556 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:04,556 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,557 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,557 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,557 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:54:04,559 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:54:04,559 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,571 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,572 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:04,572 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:04,573 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:04,573 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:04,573 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:04,573 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:04,573 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:54:04,574 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:54:04,574 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:04,578 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:04,590 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 08:54:04,590 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 08:54:04,590 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 08:54:04,591 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 08:54:04,591 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 08:54:04,591 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:04,591 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 08:54:04,591 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 08:54:04,591 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-12-02 08:54:04,591 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 08:54:04,591 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 08:54:04,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:04,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:04,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:04,649 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 08:54:04,649 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:04,651 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 08:54:04,651 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 08:54:04,656 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 08:54:04,657 INFO L448 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_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:04,672 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 08:54:04,672 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:04,697 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 08:54:04,697 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 08:54:16,735 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-02 08:54:16,740 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 08:54:16,740 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 08:54:16,740 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 08:54:16,740 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 08:54:16,740 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 08:54:16,740 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:16,740 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 08:54:16,740 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 08:54:16,740 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-12-02 08:54:16,740 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 08:54:16,740 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 08:54:16,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:16,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:16,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:16,778 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 08:54:16,778 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 08:54:16,778 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,778 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:16,779 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,779 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,779 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,779 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:54:16,779 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:54:16,780 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,781 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,781 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,782 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:16,782 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,782 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,782 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,782 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:54:16,782 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:54:16,782 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,783 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,783 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,783 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:16,783 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,784 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,784 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,784 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:54:16,784 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:54:16,784 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,785 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,785 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-02 08:54:16,785 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,785 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:16,785 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,785 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,785 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,786 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:16,786 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:16,786 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,788 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,788 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,788 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:16,788 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,788 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,789 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,789 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:16,789 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:16,789 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,789 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,790 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,790 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:16,790 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,790 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,790 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,790 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:16,791 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:16,791 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,791 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,791 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-02 08:54:16,791 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,792 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:16,792 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,792 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,792 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,792 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:16,792 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:16,793 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,794 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,795 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,795 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:16,795 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,795 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,796 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,796 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:16,796 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:16,796 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,796 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,797 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,797 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:16,797 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,797 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,797 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,797 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:16,797 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:16,798 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,798 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,798 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-02 08:54:16,798 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,798 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:16,799 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,799 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,799 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,799 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:16,799 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:16,799 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,802 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,802 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,802 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:16,802 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,802 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,803 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,803 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:16,803 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:16,803 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,803 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,804 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,804 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:16,804 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,804 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,804 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:16,805 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:16,805 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,805 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,805 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-02 08:54:16,805 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,806 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:16,806 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:16,806 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,806 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,806 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,806 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:16,807 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:16,807 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,812 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,812 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,813 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:16,813 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:16,813 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,813 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,813 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,813 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:16,813 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:16,813 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,814 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,814 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,814 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:16,815 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:16,815 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,815 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,815 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,815 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:16,815 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:16,815 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,816 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,816 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-02 08:54:16,816 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,816 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:16,817 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:54:16,817 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,817 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,817 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,817 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:16,818 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:16,818 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,827 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,827 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,827 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:16,828 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:54:16,828 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,828 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,828 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,828 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:16,828 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:16,828 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,829 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,829 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,830 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:16,830 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:54:16,830 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,830 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,830 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,830 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:16,831 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:16,831 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,832 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,832 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-02 08:54:16,832 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,832 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:16,832 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:16,833 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,833 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,833 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,833 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:16,834 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:16,834 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,848 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,848 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,849 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:16,849 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:16,849 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,849 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,849 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,849 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:16,850 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:16,850 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,851 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,851 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,851 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:16,851 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:16,852 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,852 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,852 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,852 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:16,853 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:16,853 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,853 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,853 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-02 08:54:16,854 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,854 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:16,854 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:16,854 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,854 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,854 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,854 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:16,855 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:16,855 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,858 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,858 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,859 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:16,859 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:16,859 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,859 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,859 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,859 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:16,859 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:16,860 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,860 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,861 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,861 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:16,861 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:16,861 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,861 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,861 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,861 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:16,862 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:16,862 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,863 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,863 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-02 08:54:16,863 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,864 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:16,864 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:16,864 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,864 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,864 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,864 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:54:16,865 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:54:16,865 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,872 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,872 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:16,872 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:16,873 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,873 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:54:16,873 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:54:16,873 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,875 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,875 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:16,875 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:16,875 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:16,875 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:16,876 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:16,876 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:16,876 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:54:16,876 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:54:16,876 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:16,878 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:16,879 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-02 08:54:16,879 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0; 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2018-12-02 08:54:16,879 INFO L796 eck$LassoCheckResult]: Loop: 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2018-12-02 08:54:16,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:54:16,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-12-02 08:54:16,879 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:54:16,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:54:16,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:54:16,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:54:16,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:54:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:54:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:54:16,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:54:16,884 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-12-02 08:54:16,884 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:54:16,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:54:16,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:54:16,884 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 08:54:16,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:54:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:54:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:54:16,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:54:16,887 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-12-02 08:54:16,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 08:54:16,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 08:54:16,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:54:16,888 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 08:54:16,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:54:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:54:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:54:16,910 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 08:54:16,910 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 08:54:16,910 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 08:54:16,911 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 08:54:16,911 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 08:54:16,911 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:16,911 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 08:54:16,911 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 08:54:16,911 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-12-02 08:54:16,911 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 08:54:16,911 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 08:54:16,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:16,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:16,953 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 08:54:16,953 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:16,955 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 08:54:16,955 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:16,973 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 08:54:16,974 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 08:54:30,174 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-02 08:54:30,179 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 08:54:30,180 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 08:54:30,180 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 08:54:30,180 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 08:54:30,180 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 08:54:30,180 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:30,180 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 08:54:30,180 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 08:54:30,180 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-12-02 08:54:30,180 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 08:54:30,181 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 08:54:30,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:30,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:30,222 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 08:54:30,222 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 08:54:30,222 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,223 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:30,223 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,223 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,223 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,223 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:54:30,223 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:54:30,223 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,225 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,225 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,226 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:30,226 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,226 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,226 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,226 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:54:30,226 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:54:30,227 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,227 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,227 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-02 08:54:30,227 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,228 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:30,228 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,228 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,228 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,228 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:30,229 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:30,229 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,231 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,231 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,232 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:30,232 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,232 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,232 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,232 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:30,233 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:30,233 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,233 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,233 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-02 08:54:30,234 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,234 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:30,234 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,234 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,234 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,234 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:30,235 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:30,235 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,238 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,238 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,239 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:30,239 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,239 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,239 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,239 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:30,239 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:30,240 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,240 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,240 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-02 08:54:30,241 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,241 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:30,241 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,241 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,241 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,242 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:30,242 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:30,242 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,246 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,246 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,246 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:30,247 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,247 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,247 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,247 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:30,247 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:30,248 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,248 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,248 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-02 08:54:30,249 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,249 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:30,249 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:30,249 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,249 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,250 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,250 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:30,250 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:30,250 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,256 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,256 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,257 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:30,257 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:30,257 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,257 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,257 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,257 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:30,258 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:30,258 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,259 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,259 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-02 08:54:30,259 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,260 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:30,260 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:54:30,260 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,260 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,260 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,260 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:30,261 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:30,261 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,269 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,269 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,270 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:30,270 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:54:30,270 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,270 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,271 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,271 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:30,271 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:30,271 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,272 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,273 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-02 08:54:30,273 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,273 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:30,274 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:30,274 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,274 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,274 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,274 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:30,275 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:30,276 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,287 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,287 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,288 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:30,288 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:30,288 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,288 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,288 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,288 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:30,289 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:30,290 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,290 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,290 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-02 08:54:30,291 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,291 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:30,291 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:30,291 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,291 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,291 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,292 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:30,292 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:30,292 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,296 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,296 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,297 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:30,297 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:30,297 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,297 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,297 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,297 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:30,298 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:30,298 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,299 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,299 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-02 08:54:30,300 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,300 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:30,300 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:30,300 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,300 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,301 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,301 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:54:30,302 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:54:30,302 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,308 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,309 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:30,309 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:30,309 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:30,309 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:30,309 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:30,310 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:30,310 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:54:30,310 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:54:30,310 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:30,313 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:30,318 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 08:54:30,319 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 08:54:30,319 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 08:54:30,319 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 08:54:30,319 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 08:54:30,319 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:30,319 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 08:54:30,319 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 08:54:30,319 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-12-02 08:54:30,319 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 08:54:30,320 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 08:54:30,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:30,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:30,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:30,382 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 08:54:30,382 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:30,385 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 08:54:30,385 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a68a7a83-14bf-4806-8fb8-6c7cc86ac134/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:30,412 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 08:54:30,412 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 08:54:35,088 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-02 08:54:35,093 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 08:54:35,093 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 08:54:35,093 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 08:54:35,093 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 08:54:35,093 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 08:54:35,093 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 08:54:35,093 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 08:54:35,093 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 08:54:35,093 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-12-02 08:54:35,094 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 08:54:35,094 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 08:54:35,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:35,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:35,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 08:54:35,162 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 08:54:35,162 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 08:54:35,162 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,163 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:35,163 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,163 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,163 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:54:35,164 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:54:35,164 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 08:54:35,168 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,168 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,169 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:35,169 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,169 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,169 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,169 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:54:35,169 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:54:35,169 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,170 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,170 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,170 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:35,171 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,171 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,171 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,171 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 08:54:35,171 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 08:54:35,171 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,171 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,171 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-02 08:54:35,172 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,172 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:35,172 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,172 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,172 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:35,173 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-02 08:54:35,173 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-02 08:54:35,177 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,178 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,178 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:35,178 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,178 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,178 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,178 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:35,179 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:35,179 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,179 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,179 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,179 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:35,180 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,180 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,180 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,180 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:35,180 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:35,180 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,180 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,180 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-02 08:54:35,181 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,181 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:35,181 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,181 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,181 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:35,183 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-02 08:54:35,183 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-02 08:54:35,189 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,189 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,189 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:35,190 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,190 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,190 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,190 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:35,190 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:35,190 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,191 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,191 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,191 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:35,191 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,191 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,191 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,191 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:35,192 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:35,192 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,192 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,192 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-02 08:54:35,192 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,193 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:35,193 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,193 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,193 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:35,194 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-02 08:54:35,194 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-02 08:54:35,200 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,200 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,201 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:35,201 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,201 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,201 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,201 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:35,201 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:35,201 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,202 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,202 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,202 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 08:54:35,202 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,203 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,203 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,203 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:35,203 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:35,203 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,203 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,203 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-02 08:54:35,204 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,204 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:35,204 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:35,204 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,204 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,204 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:35,205 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-02 08:54:35,205 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-02 08:54:35,213 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,213 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,213 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:35,213 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:35,214 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,214 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,214 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,214 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:35,214 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:35,215 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,215 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,215 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,216 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:35,216 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:35,216 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,216 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,216 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,216 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 08:54:35,217 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 08:54:35,217 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,217 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,218 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-02 08:54:35,218 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,218 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:35,218 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:54:35,219 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,219 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,219 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:35,220 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-02 08:54:35,221 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-02 08:54:35,234 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,234 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,235 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:35,235 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:54:35,235 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,235 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,235 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,235 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:35,236 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:35,236 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,236 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,237 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,237 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:35,237 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 08:54:35,237 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,237 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,237 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,237 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:35,238 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:35,238 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,238 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,238 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-02 08:54:35,239 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,239 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:35,239 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:35,239 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,239 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,239 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:35,241 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-02 08:54:35,241 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-02 08:54:35,264 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,264 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,264 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:35,264 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:35,264 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,265 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,265 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,265 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:35,265 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:35,265 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,266 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,266 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,266 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:35,267 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:35,267 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,267 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,267 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,267 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 08:54:35,267 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 08:54:35,267 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,268 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,268 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-02 08:54:35,268 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,268 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:35,269 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:35,269 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,269 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,269 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:35,271 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-02 08:54:35,271 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-02 08:54:35,277 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,277 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,278 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:35,278 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:35,278 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,278 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,278 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,278 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:35,278 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:35,278 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,279 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,280 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,280 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:35,280 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 08:54:35,280 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,280 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,280 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,280 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 08:54:35,280 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 08:54:35,280 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,281 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,281 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-02 08:54:35,281 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,282 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:35,282 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:35,282 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,282 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,282 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:54:35,284 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-02 08:54:35,284 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-02 08:54:35,294 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,294 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,294 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:35,295 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:35,295 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,295 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,295 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,295 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:54:35,295 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:54:35,295 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,297 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,297 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 08:54:35,297 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 08:54:35,297 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 08:54:35,298 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 08:54:35,298 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 08:54:35,298 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 08:54:35,298 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 08:54:35,298 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 08:54:35,298 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 08:54:35,299 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 08:54:35,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 08:54:35 BoogieIcfgContainer [2018-12-02 08:54:35,303 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 08:54:35,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:54:35,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:54:35,304 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:54:35,304 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:54:03" (3/4) ... [2018-12-02 08:54:35,306 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 08:54:35,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:54:35,307 INFO L168 Benchmark]: Toolchain (without parser) took 32207.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 956.0 MB in the beginning and 781.3 MB in the end (delta: 174.7 MB). Peak memory consumption was 297.4 MB. Max. memory is 11.5 GB. [2018-12-02 08:54:35,308 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:54:35,308 INFO L168 Benchmark]: CACSL2BoogieTranslator took 113.37 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:54:35,309 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.90 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:54:35,309 INFO L168 Benchmark]: Boogie Preprocessor took 37.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-02 08:54:35,310 INFO L168 Benchmark]: RCFGBuilder took 115.57 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: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-12-02 08:54:35,310 INFO L168 Benchmark]: BuchiAutomizer took 31918.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 781.3 MB in the end (delta: 321.0 MB). Peak memory consumption was 321.0 MB. Max. memory is 11.5 GB. [2018-12-02 08:54:35,310 INFO L168 Benchmark]: Witness Printer took 2.97 ms. Allocated memory is still 1.2 GB. Free memory is still 781.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:54:35,313 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 113.37 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.90 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 115.57 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: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 31918.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 781.3 MB in the end (delta: 321.0 MB). Peak memory consumption was 321.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.97 ms. Allocated memory is still 1.2 GB. Free memory is still 781.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 31.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 31.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: 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: 12ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 17.9s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0;" "assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;" Loop: "assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...