./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/gcnr2008_false-unreach-call_false-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_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/gcnr2008_false-unreach-call_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/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 153d29cc59a928b964d34eac87caede5c68a6fb0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 20:42:44,718 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:42:44,719 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:42:44,725 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:42:44,725 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:42:44,726 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:42:44,726 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:42:44,727 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:42:44,728 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:42:44,728 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:42:44,728 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:42:44,729 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:42:44,729 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:42:44,729 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:42:44,730 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:42:44,730 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:42:44,731 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:42:44,731 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:42:44,732 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:42:44,733 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:42:44,733 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:42:44,734 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:42:44,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:42:44,735 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:42:44,735 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:42:44,736 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:42:44,736 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:42:44,737 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:42:44,737 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:42:44,737 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:42:44,737 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:42:44,738 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:42:44,738 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:42:44,738 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:42:44,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:42:44,739 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:42:44,739 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 20:42:44,746 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:42:44,747 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:42:44,747 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:42:44,747 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:42:44,747 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 20:42:44,748 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 20:42:44,748 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 20:42:44,748 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 20:42:44,748 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 20:42:44,748 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 20:42:44,748 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 20:42:44,748 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:42:44,748 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:42:44,748 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 20:42:44,748 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 20:42:44,748 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:42:44,749 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:42:44,749 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 20:42:44,749 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 20:42:44,749 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 20:42:44,749 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:42:44,749 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 20:42:44,749 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 20:42:44,749 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:42:44,749 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 20:42:44,749 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:42:44,749 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 20:42:44,749 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 20:42:44,750 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:42:44,750 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 20:42:44,750 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 20:42:44,750 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 20:42:44,750 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_a69138f9-a00f-411a-9878-92b650c6df68/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 -> 153d29cc59a928b964d34eac87caede5c68a6fb0 [2018-12-02 20:42:44,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:42:44,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:42:44,780 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:42:44,781 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:42:44,782 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:42:44,782 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/../../sv-benchmarks/c/loop-lit/gcnr2008_false-unreach-call_false-termination.i [2018-12-02 20:42:44,828 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/data/80f7e1353/591352b00b3249b4be54a0fce58eb1ae/FLAGce7ec8585 [2018-12-02 20:42:45,210 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:42:45,210 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/sv-benchmarks/c/loop-lit/gcnr2008_false-unreach-call_false-termination.i [2018-12-02 20:42:45,214 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/data/80f7e1353/591352b00b3249b4be54a0fce58eb1ae/FLAGce7ec8585 [2018-12-02 20:42:45,222 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/data/80f7e1353/591352b00b3249b4be54a0fce58eb1ae [2018-12-02 20:42:45,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:42:45,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 20:42:45,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:42:45,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:42:45,227 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:42:45,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:42:45" (1/1) ... [2018-12-02 20:42:45,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd63051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:45, skipping insertion in model container [2018-12-02 20:42:45,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:42:45" (1/1) ... [2018-12-02 20:42:45,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:42:45,242 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:42:45,326 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:42:45,328 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:42:45,338 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:42:45,346 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:42:45,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:45 WrapperNode [2018-12-02 20:42:45,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:42:45,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 20:42:45,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 20:42:45,347 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 20:42:45,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:45" (1/1) ... [2018-12-02 20:42:45,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:45" (1/1) ... [2018-12-02 20:42:45,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 20:42:45,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:42:45,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:42:45,365 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:42:45,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:45" (1/1) ... [2018-12-02 20:42:45,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:45" (1/1) ... [2018-12-02 20:42:45,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:45" (1/1) ... [2018-12-02 20:42:45,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:45" (1/1) ... [2018-12-02 20:42:45,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:45" (1/1) ... [2018-12-02 20:42:45,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:45" (1/1) ... [2018-12-02 20:42:45,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:45" (1/1) ... [2018-12-02 20:42:45,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:42:45,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:42:45,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:42:45,376 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:42:45,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/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 20:42:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:42:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:42:45,532 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:42:45,532 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 20:42:45,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:42:45 BoogieIcfgContainer [2018-12-02 20:42:45,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:42:45,533 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 20:42:45,533 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 20:42:45,535 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 20:42:45,535 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 20:42:45,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 08:42:45" (1/3) ... [2018-12-02 20:42:45,536 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2953b59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:42:45, skipping insertion in model container [2018-12-02 20:42:45,536 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 20:42:45,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:42:45" (2/3) ... [2018-12-02 20:42:45,537 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2953b59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:42:45, skipping insertion in model container [2018-12-02 20:42:45,537 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 20:42:45,537 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:42:45" (3/3) ... [2018-12-02 20:42:45,538 INFO L375 chiAutomizerObserver]: Analyzing ICFG gcnr2008_false-unreach-call_false-termination.i [2018-12-02 20:42:45,568 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 20:42:45,568 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 20:42:45,568 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 20:42:45,568 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 20:42:45,568 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 20:42:45,569 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 20:42:45,569 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 20:42:45,569 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 20:42:45,569 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 20:42:45,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-12-02 20:42:45,588 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-12-02 20:42:45,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 20:42:45,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 20:42:45,593 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-02 20:42:45,593 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-02 20:42:45,593 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 20:42:45,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-12-02 20:42:45,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-12-02 20:42:45,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 20:42:45,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 20:42:45,594 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-02 20:42:45,594 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-02 20:42:45,598 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~nondet1, main_~x~0, main_~y~0, main_~z~0, main_~w~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;havoc main_~w~0;main_~w~0 := 0;main_~z~0 := main_~w~0;main_~y~0 := main_~z~0;main_~x~0 := main_~y~0; 10#L13-2true [2018-12-02 20:42:45,599 INFO L796 eck$LassoCheckResult]: Loop: 10#L13-2true assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 15#L14true assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := 1 + main_~x~0;main_~y~0 := 100 + main_~y~0; 7#L22-2true main_~w~0 := 1 + main_~w~0;main_~z~0 := 10 + main_~z~0; 10#L13-2true [2018-12-02 20:42:45,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:42:45,602 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-02 20:42:45,603 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:42:45,604 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:42:45,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:42:45,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:42:45,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:42:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:42:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:42:45,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:42:45,659 INFO L82 PathProgramCache]: Analyzing trace with hash 39837, now seen corresponding path program 1 times [2018-12-02 20:42:45,659 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:42:45,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:42:45,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:42:45,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:42:45,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:42:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:42:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:42:45,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:42:45,668 INFO L82 PathProgramCache]: Analyzing trace with hash 963358, now seen corresponding path program 1 times [2018-12-02 20:42:45,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:42:45,669 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:42:45,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:42:45,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:42:45,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:42:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:42:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:42:45,726 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 20:42:45,726 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 20:42:45,727 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 20:42:45,727 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 20:42:45,727 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 20:42:45,727 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:42:45,727 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 20:42:45,727 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 20:42:45,727 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration1_Loop [2018-12-02 20:42:45,727 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 20:42:45,727 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 20:42:45,740 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 20:42:45,748 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 20:42:45,750 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 20:42:45,754 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 20:42:45,758 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 20:42:45,760 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 20:42:45,816 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 20:42:45,816 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/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 20:42:45,820 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 20:42:45,820 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/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 20:42:45,838 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 20:42:45,838 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 20:42:45,865 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-02 20:42:45,866 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 20:42:45,866 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 20:42:45,867 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 20:42:45,867 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 20:42:45,867 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 20:42:45,867 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:42:45,867 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 20:42:45,867 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 20:42:45,867 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration1_Loop [2018-12-02 20:42:45,867 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 20:42:45,867 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 20:42:45,869 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 20:42:45,874 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 20:42:45,876 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 20:42:45,878 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 20:42:45,880 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 20:42:45,882 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 20:42:45,937 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 20:42:45,940 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 20:42:45,941 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:45,942 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:45,942 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:45,942 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:45,942 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:45,943 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 20:42:45,944 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 20:42:45,944 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:45,947 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-02 20:42:45,950 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-02 20:42:45,950 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-02 20:42:45,951 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-02 20:42:45,952 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-02 20:42:45,952 INFO L518 LassoAnalysis]: Proved termination. [2018-12-02 20:42:45,952 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -1*ULTIMATE.start_main_~y~0 + 10049 Supporting invariants [] [2018-12-02 20:42:45,953 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-02 20:42:45,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:42:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:42:45,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:42:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:42:45,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:42:46,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:42:46,017 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-12-02 20:42:46,018 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2018-12-02 20:42:46,055 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 4 states. Result 67 states and 87 transitions. Complement of second has 8 states. [2018-12-02 20:42:46,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-12-02 20:42:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-02 20:42:46,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2018-12-02 20:42:46,058 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 1 letters. Loop has 3 letters. [2018-12-02 20:42:46,058 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 20:42:46,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 4 letters. Loop has 3 letters. [2018-12-02 20:42:46,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 20:42:46,059 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 1 letters. Loop has 6 letters. [2018-12-02 20:42:46,059 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-02 20:42:46,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 87 transitions. [2018-12-02 20:42:46,062 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2018-12-02 20:42:46,064 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 24 states and 35 transitions. [2018-12-02 20:42:46,065 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2018-12-02 20:42:46,065 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2018-12-02 20:42:46,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 35 transitions. [2018-12-02 20:42:46,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-12-02 20:42:46,066 INFO L705 BuchiCegarLoop]: Abstraction has 24 states and 35 transitions. [2018-12-02 20:42:46,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 35 transitions. [2018-12-02 20:42:46,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2018-12-02 20:42:46,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-12-02 20:42:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 32 transitions. [2018-12-02 20:42:46,083 INFO L728 BuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2018-12-02 20:42:46,083 INFO L608 BuchiCegarLoop]: Abstraction has 21 states and 32 transitions. [2018-12-02 20:42:46,083 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-02 20:42:46,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 32 transitions. [2018-12-02 20:42:46,084 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2018-12-02 20:42:46,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 20:42:46,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 20:42:46,084 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-12-02 20:42:46,084 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-12-02 20:42:46,084 INFO L794 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~nondet1, main_~x~0, main_~y~0, main_~z~0, main_~w~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;havoc main_~w~0;main_~w~0 := 0;main_~z~0 := main_~w~0;main_~y~0 := main_~z~0;main_~x~0 := main_~y~0; 123#L13-2 assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 125#L14 [2018-12-02 20:42:46,084 INFO L796 eck$LassoCheckResult]: Loop: 125#L14 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2; 140#L17 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3; 128#L22 assume !(main_~y~0 > 10 * main_~w~0 && main_~z~0 >= 100 * main_~x~0); 130#L22-2 main_~w~0 := 1 + main_~w~0;main_~z~0 := 10 + main_~z~0; 124#L13-2 assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 125#L14 [2018-12-02 20:42:46,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:42:46,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-12-02 20:42:46,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:42:46,085 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:42:46,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:42:46,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:42:46,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:42:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:42:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:42:46,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:42:46,089 INFO L82 PathProgramCache]: Analyzing trace with hash 43287356, now seen corresponding path program 1 times [2018-12-02 20:42:46,089 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:42:46,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:42:46,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:42:46,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:42:46,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:42:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:42:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:42:46,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:42:46,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1363703565, now seen corresponding path program 1 times [2018-12-02 20:42:46,095 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:42:46,095 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:42:46,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:42:46,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:42:46,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:42:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:42:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:42:46,126 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 20:42:46,127 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 20:42:46,127 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 20:42:46,127 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 20:42:46,127 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 20:42:46,127 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:42:46,127 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 20:42:46,127 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 20:42:46,127 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Loop [2018-12-02 20:42:46,127 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 20:42:46,127 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 20:42:46,128 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 20:42:46,130 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 20:42:46,138 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 20:42:46,139 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 20:42:46,182 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 20:42:46,182 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/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 20:42:46,183 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 20:42:46,184 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 20:42:46,188 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 20:42:46,188 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/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 20:42:46,206 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 20:42:46,206 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/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 20:42:46,223 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 20:42:46,223 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 20:42:58,255 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-02 20:42:58,259 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 20:42:58,259 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 20:42:58,259 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 20:42:58,259 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 20:42:58,260 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 20:42:58,260 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:42:58,260 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 20:42:58,260 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 20:42:58,260 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Loop [2018-12-02 20:42:58,260 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 20:42:58,260 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 20:42:58,261 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 20:42:58,266 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 20:42:58,274 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 20:42:58,276 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 20:42:58,334 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 20:42:58,335 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 20:42:58,335 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,336 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:58,336 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,336 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,337 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,337 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 20:42:58,337 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 20:42:58,337 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,339 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,340 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,340 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:58,340 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,341 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,341 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,341 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 20:42:58,342 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:42:58,342 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,352 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,352 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,353 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:58,353 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,353 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,354 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,354 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 20:42:58,354 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:42:58,354 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,357 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,357 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,358 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:58,358 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,358 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,358 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,358 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 20:42:58,359 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 20:42:58,359 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,360 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,360 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-02 20:42:58,360 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,361 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:58,361 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,361 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,361 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,362 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:42:58,362 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 20:42:58,362 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,363 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,363 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,364 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:58,364 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,364 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,364 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,364 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:42:58,366 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 20:42:58,366 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,378 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,379 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 20:42:58,379 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:58,379 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,379 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,380 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,380 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:42:58,380 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 20:42:58,380 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,384 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,384 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,385 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:58,385 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,385 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,385 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,386 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:42:58,386 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 20:42:58,386 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,387 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,387 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-02 20:42:58,388 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,388 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:58,388 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,388 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,389 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,389 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:42:58,389 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:42:58,389 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,390 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,391 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 20:42:58,391 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:58,391 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,392 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,392 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,392 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:42:58,394 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-02 20:42:58,394 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,407 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,407 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 20:42:58,408 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:58,408 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,408 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,408 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,408 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:42:58,409 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-02 20:42:58,409 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,414 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,414 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,415 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:58,415 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,415 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,415 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,415 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:42:58,416 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:42:58,416 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,417 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,417 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-02 20:42:58,417 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,418 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:58,418 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,418 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,418 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,418 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:42:58,419 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 20:42:58,419 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,420 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,420 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,421 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:58,421 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,421 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,421 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,421 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:42:58,423 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-12-02 20:42:58,423 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,436 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,436 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,437 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:58,437 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,437 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,437 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,438 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:42:58,439 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-12-02 20:42:58,439 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,443 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,444 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 20:42:58,444 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:42:58,444 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,444 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,444 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,445 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:42:58,445 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 20:42:58,445 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,446 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,446 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-02 20:42:58,447 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,447 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,447 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:42:58,447 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,448 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,448 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,448 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:42:58,449 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 20:42:58,449 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,450 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,450 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 20:42:58,451 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,451 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:42:58,451 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,451 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,452 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,452 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:42:58,454 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 20:42:58,454 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,484 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,484 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,485 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,485 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:42:58,485 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,485 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,485 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,485 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:42:58,486 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 20:42:58,486 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,490 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,490 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,490 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,490 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:42:58,490 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,491 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,491 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,491 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:42:58,491 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 20:42:58,491 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,492 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,492 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-02 20:42:58,492 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,493 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,493 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 20:42:58,493 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,493 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,493 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,493 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:42:58,494 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:42:58,494 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,495 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,495 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 20:42:58,496 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,496 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 20:42:58,496 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,496 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,496 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,496 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:42:58,498 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-02 20:42:58,498 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,541 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,541 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 20:42:58,542 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,542 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 20:42:58,542 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,542 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,543 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,543 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:42:58,544 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-02 20:42:58,544 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,548 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,548 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,549 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,549 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 20:42:58,549 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,549 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,549 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,549 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:42:58,550 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:42:58,550 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,551 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,551 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-02 20:42:58,551 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 20:42:58,552 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,552 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:42:58,552 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,552 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,552 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,553 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:42:58,553 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 20:42:58,553 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,554 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,555 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 20:42:58,555 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,555 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:42:58,555 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,555 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,555 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,555 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:42:58,558 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-12-02 20:42:58,558 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,726 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,726 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,726 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,727 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:42:58,727 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,727 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,727 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,727 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:42:58,728 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-12-02 20:42:58,728 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,733 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,733 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,734 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,734 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:42:58,734 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,734 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,734 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:42:58,735 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 20:42:58,735 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,735 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,735 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-02 20:42:58,735 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,736 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,736 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:42:58,736 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,736 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,736 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,736 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:42:58,736 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:42:58,737 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,737 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,738 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,738 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,738 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:42:58,738 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,738 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,738 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,739 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:42:58,739 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-02 20:42:58,739 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,744 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,745 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,745 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,745 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:42:58,745 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,745 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,745 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,746 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:42:58,746 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-02 20:42:58,746 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,748 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,749 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,749 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,749 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:42:58,749 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,749 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:42:58,750 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:42:58,750 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,751 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,751 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-02 20:42:58,751 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,751 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,751 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:42:58,751 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,751 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 20:42:58,752 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 20:42:58,752 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,753 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,754 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,754 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,754 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:42:58,754 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,754 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,754 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,754 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 20:42:58,756 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-02 20:42:58,756 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,767 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,767 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 20:42:58,768 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,768 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:42:58,768 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,768 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,768 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:42:58,768 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 20:42:58,769 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-02 20:42:58,769 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,773 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,773 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:42:58,773 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:42:58,774 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:42:58,774 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:42:58,774 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:42:58,774 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:42:58,774 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 20:42:58,774 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 20:42:58,774 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:42:58,776 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:42:58,791 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 20:42:58,791 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 20:42:58,791 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 20:42:58,791 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 20:42:58,791 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 20:42:58,791 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:42:58,792 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 20:42:58,792 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 20:42:58,792 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Lasso [2018-12-02 20:42:58,792 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 20:42:58,792 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 20:42:58,793 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 20:42:58,818 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 20:42:58,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-02 20:42:58,822 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 20:42:58,823 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 20:42:58,885 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 20:42:58,885 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/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 20:42:58,887 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 20:42:58,887 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/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 20:42:58,911 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 20:42:58,911 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 20:43:11,727 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-02 20:43:11,731 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 20:43:11,732 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 20:43:11,732 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 20:43:11,732 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 20:43:11,732 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 20:43:11,732 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:43:11,732 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 20:43:11,732 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 20:43:11,732 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Lasso [2018-12-02 20:43:11,732 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 20:43:11,732 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 20:43:11,733 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 20:43:11,749 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 20:43:11,751 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 20:43:11,752 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 20:43:11,754 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 20:43:11,807 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 20:43:11,807 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 20:43:11,807 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 20:43:11,807 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,808 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,808 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:11,808 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 20:43:11,811 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-12-02 20:43:11,811 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-02 20:43:11,831 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,832 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 20:43:11,832 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,832 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:11,832 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,832 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:11,832 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 20:43:11,833 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:43:11,833 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:11,834 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,834 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,835 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,835 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:11,835 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:11,835 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 20:43:11,835 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 20:43:11,835 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:11,836 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,836 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,836 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,837 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:11,837 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,837 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:11,837 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 20:43:11,837 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 20:43:11,837 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:11,838 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,838 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,838 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,838 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:11,838 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,839 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:11,839 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 20:43:11,839 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 20:43:11,839 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:11,839 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,839 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-02 20:43:11,840 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,840 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,840 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:11,840 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:43:11,844 INFO L402 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2018-12-02 20:43:11,844 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-02 20:43:11,870 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,870 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,870 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,870 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:11,871 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,871 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:11,871 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:43:11,871 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 20:43:11,871 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:11,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,873 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,873 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,873 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:11,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:11,873 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:43:11,873 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 20:43:11,873 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:11,874 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,874 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,874 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,874 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:11,874 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,875 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:11,875 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:43:11,875 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 20:43:11,875 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:11,875 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,876 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,876 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,876 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:11,876 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,876 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:11,876 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:43:11,876 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 20:43:11,876 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:11,877 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,877 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-02 20:43:11,877 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,877 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,877 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,878 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:11,878 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:43:11,883 INFO L402 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2018-12-02 20:43:11,883 INFO L403 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2018-12-02 20:43:11,914 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,915 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,915 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,915 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:11,915 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,915 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:11,915 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:43:11,916 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-02 20:43:11,916 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:11,917 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,918 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,918 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,918 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:11,918 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,918 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:11,918 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:43:11,918 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:43:11,919 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:11,919 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,919 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,919 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,920 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:11,920 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,920 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:11,920 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:43:11,920 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:43:11,920 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:11,921 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,921 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,921 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,921 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:11,921 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,921 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:11,922 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:43:11,922 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:43:11,922 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:11,922 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,922 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-02 20:43:11,923 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,923 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,923 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,923 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:11,923 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:43:11,929 INFO L402 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2018-12-02 20:43:11,930 INFO L403 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2018-12-02 20:43:11,959 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,960 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,960 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,960 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:11,960 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,960 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:11,960 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:43:11,961 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-12-02 20:43:11,961 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:11,962 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,962 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,963 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,963 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:11,963 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,963 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:11,963 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:43:11,963 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 20:43:11,963 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:11,963 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,964 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 20:43:11,964 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,964 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:11,964 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,964 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:11,964 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:43:11,964 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 20:43:11,964 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:11,965 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,965 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,965 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 20:43:11,965 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:11,965 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,965 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:11,965 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:43:11,966 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 20:43:11,966 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:11,966 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:11,966 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-02 20:43:11,966 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:11,966 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:11,967 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:43:11,967 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:11,967 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:11,967 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:43:11,969 INFO L402 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2018-12-02 20:43:11,969 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-02 20:43:12,015 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,016 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:12,016 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,016 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:43:12,016 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:12,016 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,017 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:12,017 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:43:12,017 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 20:43:12,017 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:12,019 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,019 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:12,019 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,019 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:43:12,019 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:12,020 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,020 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:12,020 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:43:12,020 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 20:43:12,020 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:12,020 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,021 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 20:43:12,021 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,021 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:43:12,021 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:12,021 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,021 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:12,021 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:43:12,021 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 20:43:12,021 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:12,022 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,022 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 20:43:12,022 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,022 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:43:12,022 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:12,022 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,022 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:12,023 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 20:43:12,023 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 20:43:12,023 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:12,023 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,023 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-02 20:43:12,023 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:12,023 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,024 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 20:43:12,024 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,024 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:12,024 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:43:12,027 INFO L402 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2018-12-02 20:43:12,027 INFO L403 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2018-12-02 20:43:12,217 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,217 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:12,218 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,218 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 20:43:12,218 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:12,218 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,218 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:12,218 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:43:12,219 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-02 20:43:12,219 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:12,221 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,221 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:12,222 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,222 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 20:43:12,222 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:12,222 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,222 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:12,222 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:43:12,222 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:43:12,222 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:12,223 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,223 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:12,223 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,224 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 20:43:12,224 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:12,224 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,224 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:12,224 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:43:12,224 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:43:12,224 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:12,225 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,225 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 20:43:12,225 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,225 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 20:43:12,225 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:12,225 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,225 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:12,225 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:43:12,226 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:43:12,226 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:12,226 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,226 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-02 20:43:12,227 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 20:43:12,227 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,227 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:43:12,227 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,227 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:12,227 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:43:12,232 INFO L402 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2018-12-02 20:43:12,232 INFO L403 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2018-12-02 20:43:12,723 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,723 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:12,724 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,724 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:43:12,724 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:12,724 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,724 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:12,724 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:43:12,725 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-12-02 20:43:12,725 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:12,730 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,730 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:12,730 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,730 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:43:12,730 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:12,730 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,730 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:12,731 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:43:12,731 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 20:43:12,731 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:12,732 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,732 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:12,732 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,732 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:43:12,732 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:12,732 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,732 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:12,732 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:43:12,733 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 20:43:12,733 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:12,733 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,734 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:12,734 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,734 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:43:12,734 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:12,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,734 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:12,734 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 20:43:12,735 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 20:43:12,735 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:12,735 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,735 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-02 20:43:12,735 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:12,736 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,736 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:43:12,736 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,736 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:12,736 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:43:12,739 INFO L402 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2018-12-02 20:43:12,739 INFO L403 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2018-12-02 20:43:12,800 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,800 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:12,801 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,801 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:43:12,801 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:12,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,801 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:12,801 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:43:12,801 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-02 20:43:12,802 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:12,803 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,803 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:12,804 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,804 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:43:12,804 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:12,804 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:12,804 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:43:12,804 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:43:12,804 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:12,805 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,805 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 20:43:12,806 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,806 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:43:12,806 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:12,806 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,806 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:12,806 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:43:12,806 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:43:12,806 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:12,807 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,807 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 20:43:12,807 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,807 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 20:43:12,808 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:12,808 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,808 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:12,808 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 20:43:12,808 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 20:43:12,808 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:12,808 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:12,809 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-02 20:43:12,809 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:12,809 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:12,809 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:43:12,809 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:12,809 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:12,809 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 20:43:12,813 INFO L402 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2018-12-02 20:43:12,814 INFO L403 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2018-12-02 20:43:13,053 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:13,054 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:13,054 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:13,054 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:43:13,054 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:13,055 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:13,055 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-02 20:43:13,055 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 20:43:13,056 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-02 20:43:13,056 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:13,061 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:13,062 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:13,062 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:13,062 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:43:13,062 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:13,063 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:13,063 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:13,063 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 20:43:13,063 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 20:43:13,063 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:13,066 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:13,066 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:13,066 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:13,066 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:43:13,066 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:13,067 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:13,067 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:13,067 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 20:43:13,067 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 20:43:13,068 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:13,070 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:13,070 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number 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 20:43:13,070 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 20:43:13,070 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 20:43:13,071 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 20:43:13,071 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 20:43:13,071 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 20:43:13,071 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 20:43:13,071 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 20:43:13,071 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 20:43:13,073 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 20:43:13,073 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-02 20:43:13,073 INFO L794 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~nondet1, main_~x~0, main_~y~0, main_~z~0, main_~w~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;havoc main_~w~0;main_~w~0 := 0;main_~z~0 := main_~w~0;main_~y~0 := main_~z~0;main_~x~0 := main_~y~0; 123#L13-2 assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 125#L14 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2; 140#L17 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3; 128#L22 assume !(main_~y~0 > 10 * main_~w~0 && main_~z~0 >= 100 * main_~x~0); 130#L22-2 main_~w~0 := 1 + main_~w~0;main_~z~0 := 10 + main_~z~0; 124#L13-2 assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 125#L14 [2018-12-02 20:43:13,073 INFO L796 eck$LassoCheckResult]: Loop: 125#L14 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2; 140#L17 assume !(0 != main_#t~nondet3);havoc main_#t~nondet3; 128#L22 assume !(main_~y~0 > 10 * main_~w~0 && main_~z~0 >= 100 * main_~x~0); 130#L22-2 main_~w~0 := 1 + main_~w~0;main_~z~0 := 10 + main_~z~0; 124#L13-2 assume !!(0 != main_#t~nondet1 && main_~y~0 < 10000);havoc main_#t~nondet1; 125#L14 [2018-12-02 20:43:13,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:43:13,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1363703565, now seen corresponding path program 2 times [2018-12-02 20:43:13,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:43:13,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:43:13,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:43:13,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:43:13,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:43:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:43:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:43:13,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:43:13,083 INFO L82 PathProgramCache]: Analyzing trace with hash 43287356, now seen corresponding path program 2 times [2018-12-02 20:43:13,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:43:13,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:43:13,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:43:13,084 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 20:43:13,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:43:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:43:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:43:13,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:43:13,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1639530102, now seen corresponding path program 3 times [2018-12-02 20:43:13,088 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:43:13,088 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:43:13,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:43:13,088 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 20:43:13,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:43:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:43:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 20:43:13,129 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 20:43:13,129 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 20:43:13,129 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 20:43:13,130 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 20:43:13,130 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 20:43:13,130 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:43:13,130 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 20:43:13,130 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 20:43:13,130 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Loop [2018-12-02 20:43:13,130 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 20:43:13,130 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 20:43:13,131 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 20:43:13,134 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 20:43:13,142 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 20:43:13,144 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 20:43:13,208 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 20:43:13,208 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/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 20:43:13,211 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 20:43:13,211 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 20:43:13,213 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 20:43:13,213 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/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 20:43:13,238 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 20:43:13,238 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:43:13,265 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 20:43:13,265 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 20:43:22,702 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 20:43:22,702 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=0, ULTIMATE.start_main_~x~0=2005, ULTIMATE.start_main_~w~0=9797} Honda state: {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=0, ULTIMATE.start_main_~x~0=2005, ULTIMATE.start_main_~w~0=9797} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=-2144, ULTIMATE.start_main_~x~0=1913, ULTIMATE.start_main_~w~0=1}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=0, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~w~0=0}, {ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=2154, ULTIMATE.start_main_~x~0=-1913, ULTIMATE.start_main_~w~0=0}] Lambdas: [1, 0, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:43:22,722 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 20:43:22,722 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 20:43:22,725 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 20:43:22,725 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=7} Honda state: {ULTIMATE.start_main_#t~nondet1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:43:22,749 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 20:43:22,749 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 20:43:22,751 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 20:43:22,752 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-12-02 20:43:22,789 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 20:43:22,789 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 20:43:22,789 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 20:43:22,789 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 20:43:22,789 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 20:43:22,789 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:43:22,789 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 20:43:22,789 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 20:43:22,789 INFO L131 ssoRankerPreferences]: Filename of dumped script: gcnr2008_false-unreach-call_false-termination.i_Iteration2_Lasso [2018-12-02 20:43:22,789 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 20:43:22,789 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 20:43:22,790 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 20:43:22,793 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 20:43:22,804 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 20:43:22,806 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 20:43:22,807 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 20:43:22,864 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 20:43:22,864 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:43:22,867 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 20:43:22,867 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 20:43:22,869 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 20:43:22,869 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:43:22,884 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 20:43:22,884 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:43:22,901 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 20:43:22,901 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 20:43:33,503 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 20:43:33,503 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~w~0=0, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=0} Honda state: {ULTIMATE.start_main_~w~0=1, ULTIMATE.start_main_~x~0=0, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=10} Generalized eigenvectors: [{ULTIMATE.start_main_~w~0=1, ULTIMATE.start_main_~x~0=-8191, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=-8181}, {ULTIMATE.start_main_~w~0=0, ULTIMATE.start_main_~x~0=-1, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=-1}, {ULTIMATE.start_main_~w~0=0, ULTIMATE.start_main_~x~0=8192, ULTIMATE.start_main_~y~0=0, ULTIMATE.start_main_~z~0=8192}] Lambdas: [1, 8193, 1] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:43:33,521 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 20:43:33,521 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 20:43:33,523 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 20:43:33,523 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:43:33,539 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 20:43:33,539 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 20:43:33,541 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 20:43:33,541 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=7} Honda state: {ULTIMATE.start_main_#t~nondet1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 20:43:33,556 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 20:43:33,556 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 20:43:33,558 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 20:43:33,558 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-12-02 20:43:33,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 08:43:33 BoogieIcfgContainer [2018-12-02 20:43:33,589 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 20:43:33,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 20:43:33,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 20:43:33,589 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 20:43:33,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:42:45" (3/4) ... [2018-12-02 20:43:33,592 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-02 20:43:33,620 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a69138f9-a00f-411a-9878-92b650c6df68/bin-2019/uautomizer/witness.graphml [2018-12-02 20:43:33,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 20:43:33,621 INFO L168 Benchmark]: Toolchain (without parser) took 48397.06 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 229.6 MB). Free memory was 953.3 MB in the beginning and 943.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 239.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:43:33,622 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:43:33,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 121.18 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:43:33,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.23 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:43:33,623 INFO L168 Benchmark]: Boogie Preprocessor took 11.19 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 20:43:33,624 INFO L168 Benchmark]: RCFGBuilder took 156.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-12-02 20:43:33,624 INFO L168 Benchmark]: BuchiAutomizer took 48055.97 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 112.2 MB). Free memory was 1.1 GB in the beginning and 943.6 MB in the end (delta: 160.0 MB). Peak memory consumption was 272.2 MB. Max. memory is 11.5 GB. [2018-12-02 20:43:33,625 INFO L168 Benchmark]: Witness Printer took 31.42 ms. Allocated memory is still 1.3 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:43:33,627 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 121.18 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.23 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.19 ms. Allocated memory is still 1.0 GB. Free memory was 942.6 MB in the beginning and 939.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 156.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -163.8 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 48055.97 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 112.2 MB). Free memory was 1.1 GB in the beginning and 943.6 MB in the end (delta: 160.0 MB). Peak memory consumption was 272.2 MB. Max. memory is 11.5 GB. * Witness Printer took 31.42 ms. Allocated memory is still 1.3 GB. Free memory is still 943.6 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 Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * y + 10049 and consists of 5 locations. The remainder module has 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 48.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 47.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 21 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 21 SDslu, 22 SDs, 0 SdLazy, 22 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf97 lsp52 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq159 hnf93 smp100 dnf126 smp100 tf107 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 11ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 20.1s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 14]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6cb7f5b6=0, \result=0, w=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52c2ad7=7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70122cb5=0, z=0, x=0, y=0} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6cb7f5b6=0, \result=0, w=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52c2ad7=7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70122cb5=0, z=10, x=0, y=0} For i>1, the state at position i is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6cb7f5b6=0 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0, w=1 + sum_{k=0}^i 1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52c2ad7=7 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70122cb5=0 + sum_{k=0}^i 0, z=10 + sum_{k=0}^i -8181 + -1*8193^k + 8192 + 8192*k*8193^(k-1), x=0 + sum_{k=0}^i -8191 + -1*8193^k + 8192 + 8192*k*8193^(k-1), y=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 3GEVs Lambdas: [1, 8193, 1] Mus: [0, 1] - NonterminatingLassoResult [Line: 14]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L11] int x,y,z,w; [L12] EXPR w = 0 [L12] EXPR z = w = 0 [L12] EXPR y = z = w = 0 [L12] x = y = z = w = 0 [L13] COND TRUE __VERIFIER_nondet_int() && y < 10000 [L14] COND FALSE !(__VERIFIER_nondet_int()) [L17] COND FALSE !(__VERIFIER_nondet_int()) [L22] COND FALSE !(y > 10*w && z >= 100*x) [L25] w = w + 1 [L26] z = z + 10 [L13] COND TRUE __VERIFIER_nondet_int() && y < 10000 Loop: [L14] COND FALSE !(__VERIFIER_nondet_int()) [L17] COND FALSE !(__VERIFIER_nondet_int()) [L22] COND FALSE !(y > 10*w && z >= 100*x) [L25] w = w + 1 [L26] z = z + 10 [L13] COND TRUE __VERIFIER_nondet_int() && y < 10000 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...