./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call2_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call2_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/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 4227429e9f2e62c477cf816fad5585fa39d927f0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 12:09:51,269 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 12:09:51,270 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 12:09:51,276 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 12:09:51,276 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 12:09:51,277 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 12:09:51,277 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 12:09:51,278 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 12:09:51,279 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 12:09:51,279 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 12:09:51,280 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 12:09:51,280 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 12:09:51,280 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 12:09:51,281 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 12:09:51,281 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 12:09:51,282 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 12:09:51,282 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 12:09:51,283 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 12:09:51,284 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 12:09:51,285 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 12:09:51,285 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 12:09:51,286 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 12:09:51,287 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 12:09:51,287 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 12:09:51,287 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 12:09:51,288 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 12:09:51,288 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 12:09:51,288 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 12:09:51,289 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 12:09:51,289 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 12:09:51,289 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 12:09:51,290 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 12:09:51,290 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 12:09:51,290 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 12:09:51,290 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 12:09:51,291 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 12:09:51,291 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-02 12:09:51,299 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 12:09:51,299 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 12:09:51,300 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 12:09:51,300 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 12:09:51,300 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 12:09:51,300 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-02 12:09:51,300 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-02 12:09:51,300 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-02 12:09:51,300 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-02 12:09:51,300 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-02 12:09:51,300 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-02 12:09:51,301 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 12:09:51,301 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 12:09:51,301 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 12:09:51,301 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 12:09:51,301 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 12:09:51,301 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 12:09:51,301 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-02 12:09:51,301 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-02 12:09:51,301 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-02 12:09:51,301 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 12:09:51,301 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 12:09:51,302 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-02 12:09:51,302 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 12:09:51,302 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-02 12:09:51,302 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 12:09:51,302 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 12:09:51,302 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-02 12:09:51,302 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 12:09:51,302 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 12:09:51,302 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-02 12:09:51,303 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-02 12:09:51,303 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_c87c984e-7c8e-4101-ac8b-e10fa63fa848/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 -> 4227429e9f2e62c477cf816fad5585fa39d927f0 [2018-12-02 12:09:51,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 12:09:51,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 12:09:51,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 12:09:51,334 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 12:09:51,334 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 12:09:51,334 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_false-unreach-call2_true-termination.i [2018-12-02 12:09:51,371 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/bin-2019/uautomizer/data/fab562b4b/97a6ce4f8d524a42bebc2a406e41ca7b/FLAGa29d3ec78 [2018-12-02 12:09:51,741 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 12:09:51,741 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/sv-benchmarks/c/loop-acceleration/simple_false-unreach-call2_true-termination.i [2018-12-02 12:09:51,745 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/bin-2019/uautomizer/data/fab562b4b/97a6ce4f8d524a42bebc2a406e41ca7b/FLAGa29d3ec78 [2018-12-02 12:09:52,110 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/bin-2019/uautomizer/data/fab562b4b/97a6ce4f8d524a42bebc2a406e41ca7b [2018-12-02 12:09:52,112 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 12:09:52,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 12:09:52,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 12:09:52,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 12:09:52,116 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 12:09:52,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:09:52" (1/1) ... [2018-12-02 12:09:52,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a9438d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:52, skipping insertion in model container [2018-12-02 12:09:52,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:09:52" (1/1) ... [2018-12-02 12:09:52,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 12:09:52,133 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 12:09:52,212 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:09:52,215 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 12:09:52,222 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:09:52,230 INFO L195 MainTranslator]: Completed translation [2018-12-02 12:09:52,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:52 WrapperNode [2018-12-02 12:09:52,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 12:09:52,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 12:09:52,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 12:09:52,231 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 12:09:52,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:52" (1/1) ... [2018-12-02 12:09:52,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:52" (1/1) ... [2018-12-02 12:09:52,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 12:09:52,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 12:09:52,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 12:09:52,248 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 12:09:52,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:52" (1/1) ... [2018-12-02 12:09:52,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:52" (1/1) ... [2018-12-02 12:09:52,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:52" (1/1) ... [2018-12-02 12:09:52,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:52" (1/1) ... [2018-12-02 12:09:52,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:52" (1/1) ... [2018-12-02 12:09:52,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:52" (1/1) ... [2018-12-02 12:09:52,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:52" (1/1) ... [2018-12-02 12:09:52,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 12:09:52,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 12:09:52,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 12:09:52,259 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 12:09:52,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/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 12:09:52,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 12:09:52,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 12:09:52,389 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 12:09:52,389 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 12:09:52,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:09:52 BoogieIcfgContainer [2018-12-02 12:09:52,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 12:09:52,390 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-02 12:09:52,390 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-02 12:09:52,392 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-02 12:09:52,393 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 12:09:52,393 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 12:09:52" (1/3) ... [2018-12-02 12:09:52,394 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7bdab42d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 12:09:52, skipping insertion in model container [2018-12-02 12:09:52,394 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 12:09:52,394 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:09:52" (2/3) ... [2018-12-02 12:09:52,394 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7bdab42d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 12:09:52, skipping insertion in model container [2018-12-02 12:09:52,394 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-02 12:09:52,394 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:09:52" (3/3) ... [2018-12-02 12:09:52,395 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_false-unreach-call2_true-termination.i [2018-12-02 12:09:52,429 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 12:09:52,429 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-02 12:09:52,429 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-02 12:09:52,429 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-02 12:09:52,429 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 12:09:52,429 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 12:09:52,429 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-02 12:09:52,429 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 12:09:52,430 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-02 12:09:52,438 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-02 12:09:52,449 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-02 12:09:52,450 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 12:09:52,450 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 12:09:52,453 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-02 12:09:52,454 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-02 12:09:52,454 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-02 12:09:52,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-02 12:09:52,454 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-12-02 12:09:52,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-02 12:09:52,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-02 12:09:52,454 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-02 12:09:52,455 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-12-02 12:09:52,459 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0; 7#L10-2true [2018-12-02 12:09:52,460 INFO L796 eck$LassoCheckResult]: Loop: 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2018-12-02 12:09:52,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:09:52,463 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-02 12:09:52,464 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:09:52,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:09:52,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:52,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:09:52,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:52,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:09:52,513 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-12-02 12:09:52,513 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:09:52,513 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:09:52,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:52,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:09:52,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:52,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:09:52,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-12-02 12:09:52,525 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:09:52,526 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:09:52,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:52,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:09:52,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:09:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:09:52,555 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 12:09:52,556 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 12:09:52,556 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 12:09:52,556 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 12:09:52,556 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 12:09:52,556 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:09:52,556 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 12:09:52,556 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 12:09:52,556 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-12-02 12:09:52,556 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 12:09:52,557 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 12:09:52,569 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 12:09:52,578 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 12:09:52,638 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 12:09:52,638 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/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 12:09:52,643 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 12:09:52,644 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/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 12:09:52,666 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 12:09:52,667 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 12:09:53,345 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-02 12:09:53,348 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 12:09:53,348 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 12:09:53,348 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 12:09:53,348 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 12:09:53,349 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 12:09:53,349 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:09:53,349 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 12:09:53,349 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 12:09:53,349 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-12-02 12:09:53,349 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 12:09:53,349 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 12:09:53,350 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 12:09:53,358 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 12:09:53,397 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 12:09:53,400 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 12:09:53,401 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,402 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:09:53,402 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,403 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,403 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,403 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 12:09:53,405 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 12:09:53,406 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,415 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,415 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,416 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:09:53,416 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,416 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,416 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,416 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 12:09:53,417 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 12:09:53,417 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,418 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,418 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-02 12:09:53,418 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,419 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:09:53,419 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,419 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,419 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,419 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:09:53,421 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:09:53,421 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,430 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,430 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,431 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:09:53,431 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,431 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,431 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,431 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:09:53,432 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:09:53,432 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,433 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,433 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-02 12:09:53,433 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,434 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:09:53,434 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,434 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,434 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,434 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:09:53,436 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:09:53,436 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,447 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,447 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 12:09:53,447 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:09:53,447 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,448 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,448 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,448 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:09:53,448 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:09:53,448 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,449 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,449 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-02 12:09:53,449 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,450 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:09:53,450 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,450 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,450 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,451 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:09:53,452 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:09:53,452 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,462 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,462 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,463 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:09:53,463 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,463 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,463 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,463 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:09:53,464 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:09:53,464 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,464 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,464 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-02 12:09:53,465 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,465 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:09:53,465 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:09:53,465 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,465 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:09:53,467 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:09:53,467 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,486 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,487 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,487 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:09:53,487 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:09:53,487 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,488 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,488 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,488 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:09:53,488 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:09:53,488 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,489 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,489 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-02 12:09:53,489 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,490 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:09:53,490 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 12:09:53,490 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,490 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,490 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,490 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:09:53,492 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:09:53,492 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,521 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,521 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,522 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:09:53,522 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 12:09:53,523 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,523 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,523 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,523 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:09:53,524 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:09:53,525 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,527 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,527 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-02 12:09:53,527 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,528 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:09:53,528 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:09:53,528 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,529 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,529 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,529 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:09:53,532 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:09:53,532 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,565 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,566 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,566 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:09:53,567 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:09:53,567 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,567 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,567 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,567 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:09:53,569 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:09:53,569 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,570 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,570 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-02 12:09:53,570 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,571 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:09:53,571 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:09:53,571 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,571 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,572 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,572 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:09:53,572 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:09:53,573 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,580 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,580 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,581 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:09:53,581 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:09:53,581 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,581 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,582 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,582 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:09:53,582 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:09:53,582 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,584 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,584 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-02 12:09:53,585 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,585 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:09:53,585 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:09:53,585 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,586 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,586 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,586 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 12:09:53,587 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 12:09:53,587 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,599 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,600 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:09:53,600 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:09:53,601 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:09:53,601 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:09:53,601 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:09:53,601 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:09:53,601 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 12:09:53,602 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 12:09:53,602 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:09:53,605 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:09:53,613 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 12:09:53,613 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 12:09:53,613 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 12:09:53,614 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 12:09:53,614 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 12:09:53,614 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:09:53,614 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 12:09:53,614 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 12:09:53,614 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-12-02 12:09:53,614 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 12:09:53,614 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 12:09:53,615 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 12:09:53,617 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 12:09:53,632 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 12:09:53,690 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 12:09:53,690 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/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 12:09:53,693 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 12:09:53,693 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 12:09:53,699 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-02 12:09:53,699 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/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 12:09:53,723 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 12:09:53,724 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/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 12:09:53,751 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 12:09:53,751 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 12:10:05,794 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-02 12:10:05,799 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 12:10:05,799 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 12:10:05,799 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 12:10:05,799 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 12:10:05,799 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 12:10:05,799 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:10:05,799 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 12:10:05,799 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 12:10:05,799 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-12-02 12:10:05,799 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 12:10:05,799 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 12:10:05,800 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 12:10:05,805 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 12:10:05,807 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 12:10:05,836 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 12:10:05,836 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 12:10:05,836 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 12:10:05,837 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:05,837 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,837 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,837 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,837 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 12:10:05,838 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 12:10:05,838 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,839 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,839 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,840 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:05,840 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,840 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 12:10:05,840 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 12:10:05,840 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,841 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,841 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,841 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:05,841 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,841 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,841 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,842 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 12:10:05,842 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 12:10:05,842 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,842 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,842 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-02 12:10:05,843 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,843 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:05,843 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,843 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,843 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,843 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:10:05,843 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:10:05,843 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,845 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,845 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,846 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:05,846 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,846 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,846 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,846 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:10:05,846 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:10:05,846 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,846 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,847 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,847 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:05,847 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,847 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,847 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,847 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:10:05,847 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:10:05,847 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,848 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,848 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-02 12:10:05,848 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,848 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:05,848 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,849 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,849 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,849 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:05,849 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:05,849 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,851 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,851 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,851 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:05,851 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,852 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,852 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,852 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:05,852 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:05,852 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,852 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,853 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,853 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:05,853 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,853 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,853 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,853 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:05,853 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:05,853 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,854 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,854 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-02 12:10:05,854 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,854 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:05,854 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,854 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,855 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,855 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:10:05,855 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:10:05,855 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,858 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,858 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,858 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:05,858 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,858 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,858 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,859 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:10:05,859 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:10:05,859 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,859 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,860 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,860 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:05,860 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,860 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,860 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,860 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:10:05,860 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:10:05,861 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,861 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,861 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-02 12:10:05,861 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,862 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:05,862 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:10:05,862 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,862 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,862 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,862 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:10:05,863 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:10:05,863 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,868 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,869 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,869 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:05,869 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:10:05,869 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,869 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,870 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,870 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:10:05,870 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:10:05,870 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,870 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,871 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,871 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:05,871 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:10:05,871 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,871 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,871 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,871 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:10:05,872 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:10:05,872 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,872 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-02 12:10:05,873 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 12:10:05,873 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:05,873 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 12:10:05,873 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,874 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:05,874 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:05,874 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,884 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,884 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,885 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:05,885 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 12:10:05,885 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,885 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,885 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,885 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:05,886 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:05,886 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,886 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,887 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,887 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:05,887 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 12:10:05,887 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,887 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,887 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,888 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:05,888 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:05,888 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,889 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,889 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-02 12:10:05,889 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,890 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:05,890 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:10:05,890 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,890 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,890 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,890 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:10:05,892 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:10:05,892 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,906 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,906 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,907 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:05,907 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:10:05,907 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,907 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,907 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,907 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:10:05,908 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:10:05,908 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,909 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,909 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,909 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:05,909 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:10:05,909 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,910 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,910 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,910 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:10:05,911 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:10:05,911 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,911 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,911 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-02 12:10:05,912 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,912 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:05,912 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:10:05,912 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,912 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,912 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,913 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:05,913 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:05,913 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,916 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,917 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,917 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:05,917 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:10:05,917 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,917 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,917 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,917 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:05,918 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:05,918 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,919 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,919 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 12:10:05,919 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:05,919 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:10:05,919 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,920 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,920 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,920 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:05,920 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:05,920 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,921 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,921 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-02 12:10:05,921 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 12:10:05,922 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:05,922 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:10:05,922 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,922 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,922 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,922 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 12:10:05,923 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 12:10:05,923 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,930 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,930 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,931 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:05,931 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:10:05,931 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,931 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,931 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,931 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 12:10:05,932 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 12:10:05,932 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,933 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,933 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:05,934 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:05,934 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:10:05,934 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:05,934 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:05,934 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:05,934 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 12:10:05,935 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 12:10:05,935 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:05,937 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:05,937 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-02 12:10:05,937 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0; 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2018-12-02 12:10:05,937 INFO L796 eck$LassoCheckResult]: Loop: 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2018-12-02 12:10:05,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:10:05,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-12-02 12:10:05,938 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:10:05,938 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:10:05,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:10:05,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:10:05,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:10:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:10:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:10:05,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:10:05,942 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-12-02 12:10:05,942 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:10:05,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:10:05,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:10:05,943 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 12:10:05,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:10:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:10:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:10:05,945 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:10:05,945 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-12-02 12:10:05,945 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 12:10:05,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 12:10:05,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:10:05,946 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 12:10:05,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:10:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:10:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 12:10:05,960 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 12:10:05,960 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 12:10:05,960 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 12:10:05,960 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 12:10:05,960 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 12:10:05,960 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:10:05,960 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 12:10:05,960 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 12:10:05,960 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-12-02 12:10:05,960 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 12:10:05,961 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 12:10:05,961 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 12:10:05,967 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 12:10:06,001 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 12:10:06,001 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/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 12:10:06,003 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 12:10:06,003 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/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 12:10:06,023 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 12:10:06,024 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 12:10:18,060 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-02 12:10:18,065 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 12:10:18,065 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 12:10:18,065 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 12:10:18,066 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 12:10:18,066 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 12:10:18,066 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:10:18,066 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 12:10:18,066 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 12:10:18,066 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-12-02 12:10:18,066 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 12:10:18,066 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 12:10:18,067 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 12:10:18,075 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 12:10:18,102 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 12:10:18,102 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 12:10:18,103 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,103 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:18,103 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,103 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,103 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,104 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 12:10:18,104 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 12:10:18,104 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,106 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,106 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,107 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:18,107 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,107 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,107 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,107 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 12:10:18,107 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 12:10:18,107 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,108 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,108 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-02 12:10:18,108 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,109 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:18,109 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,109 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,109 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,109 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:10:18,110 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:10:18,110 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,112 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,112 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,112 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:18,113 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,113 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,113 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,113 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:10:18,113 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:10:18,113 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,114 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,114 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-02 12:10:18,114 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,115 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:18,115 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,115 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,115 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:18,116 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:18,116 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,118 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,119 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,119 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:18,119 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,119 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,119 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,119 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:18,120 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:18,120 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,120 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,121 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-02 12:10:18,121 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,121 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:18,121 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,121 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,122 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,122 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:10:18,122 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:10:18,122 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,125 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,126 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,126 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:18,126 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,126 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,126 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,127 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:10:18,127 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:10:18,127 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,128 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,128 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-02 12:10:18,128 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,129 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:18,129 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:10:18,129 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,129 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,129 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,129 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:10:18,130 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:10:18,130 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,134 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,135 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,135 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:18,135 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:10:18,136 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,136 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,136 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,136 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:10:18,136 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:10:18,137 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,137 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,137 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-02 12:10:18,138 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,138 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:18,138 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 12:10:18,138 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,139 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,139 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,139 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:18,140 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:18,140 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,147 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,148 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,148 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:18,148 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 12:10:18,148 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,149 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,149 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,149 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:18,149 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:18,150 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,151 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,151 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-02 12:10:18,151 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,152 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:18,152 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:10:18,152 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,152 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,152 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,152 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:10:18,154 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:10:18,154 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,166 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,166 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,166 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:18,167 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:10:18,167 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,167 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,167 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,167 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:10:18,168 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:10:18,168 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,169 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,169 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-02 12:10:18,170 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,170 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:18,170 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:10:18,170 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,170 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,170 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,171 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:18,171 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:18,171 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,175 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,175 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,176 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:18,176 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:10:18,176 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,176 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,176 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,176 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:18,177 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:18,177 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,178 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,178 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-02 12:10:18,179 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,179 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:18,179 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:10:18,179 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,180 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,180 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,180 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 12:10:18,181 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 12:10:18,181 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,188 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,188 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:18,189 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:18,189 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:10:18,189 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:18,189 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:18,189 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:18,190 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 12:10:18,190 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 12:10:18,190 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:18,193 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:18,206 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 12:10:18,206 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 12:10:18,206 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 12:10:18,206 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 12:10:18,206 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-02 12:10:18,206 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:10:18,206 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 12:10:18,206 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 12:10:18,206 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-12-02 12:10:18,206 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 12:10:18,207 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 12:10:18,207 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 12:10:18,220 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 12:10:18,222 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 12:10:18,277 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 12:10:18,278 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/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 12:10:18,280 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-02 12:10:18,280 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c87c984e-7c8e-4101-ac8b-e10fa63fa848/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 12:10:18,308 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-02 12:10:18,308 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-02 12:10:23,019 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-02 12:10:23,023 INFO L216 LassoAnalysis]: Preferences: [2018-12-02 12:10:23,023 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-02 12:10:23,023 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-02 12:10:23,023 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-02 12:10:23,023 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-02 12:10:23,023 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-02 12:10:23,024 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-02 12:10:23,024 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-02 12:10:23,024 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-12-02 12:10:23,024 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-02 12:10:23,024 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-02 12:10:23,024 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 12:10:23,029 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 12:10:23,031 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 12:10:23,097 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-02 12:10:23,097 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-02 12:10:23,098 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,098 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:23,098 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,098 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,099 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 12:10:23,100 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 12:10:23,100 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-02 12:10:23,103 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,104 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,104 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:23,104 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,104 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,104 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,104 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 12:10:23,105 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 12:10:23,105 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,105 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,105 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,106 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:23,106 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,106 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,106 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,106 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-02 12:10:23,106 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-02 12:10:23,106 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,107 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,107 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-02 12:10:23,107 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,107 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:23,107 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,107 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,108 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:10:23,109 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-02 12:10:23,109 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-02 12:10:23,114 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,114 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,115 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:23,115 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,115 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,115 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:10:23,115 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:10:23,116 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,116 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,116 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,117 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:23,117 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,117 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,117 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,117 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:10:23,117 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:10:23,117 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,118 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,118 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-02 12:10:23,118 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,119 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:23,119 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,119 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,119 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:23,120 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-02 12:10:23,121 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-02 12:10:23,127 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,128 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,128 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:23,128 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,128 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,128 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,128 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:23,129 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:23,129 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,129 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,130 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,130 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:23,130 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,130 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,130 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,130 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:23,131 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:23,131 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,131 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,131 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-02 12:10:23,131 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,132 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:23,132 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,132 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,132 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:10:23,134 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-02 12:10:23,134 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-02 12:10:23,142 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,142 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,142 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:23,142 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,143 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,143 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,143 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:10:23,143 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:10:23,143 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,144 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,144 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,144 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-02 12:10:23,144 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,144 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,145 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,145 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:10:23,145 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:10:23,145 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,145 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,145 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-02 12:10:23,146 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,146 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:23,146 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:10:23,146 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,146 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,146 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:10:23,148 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-02 12:10:23,148 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-02 12:10:23,156 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,157 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,157 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:23,157 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:10:23,157 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,157 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,157 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,158 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:10:23,158 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:10:23,158 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,158 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,159 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,159 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:23,159 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:10:23,159 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,159 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,159 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,160 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-02 12:10:23,160 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-02 12:10:23,160 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,160 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,160 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-02 12:10:23,161 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,161 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:23,161 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 12:10:23,161 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,161 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,162 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:23,163 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-02 12:10:23,164 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-02 12:10:23,176 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,176 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,177 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:23,177 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 12:10:23,177 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,177 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,177 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,177 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:23,178 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:23,178 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,178 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,179 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,179 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:23,179 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-02 12:10:23,179 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,179 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,179 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,179 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:23,180 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:23,180 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,181 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,181 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-02 12:10:23,181 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,182 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:23,182 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:10:23,182 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,182 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,182 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:10:23,184 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-02 12:10:23,185 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-02 12:10:23,205 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,205 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,206 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:23,206 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:10:23,206 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,206 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,206 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,206 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:10:23,207 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:10:23,207 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,208 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,208 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,208 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:23,208 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:10:23,209 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,209 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,209 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,209 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-02 12:10:23,210 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-02 12:10:23,210 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,210 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-02 12:10:23,210 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,211 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:23,211 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:10:23,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,211 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,211 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:23,212 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-02 12:10:23,213 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-02 12:10:23,220 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,220 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,220 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:23,221 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:10:23,221 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,221 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,221 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,221 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:23,221 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:23,221 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,222 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,223 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 12:10:23,223 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:23,223 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-02 12:10:23,223 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,223 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,223 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,223 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-02 12:10:23,224 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-02 12:10:23,224 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,225 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,225 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-02 12:10:23,225 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 12:10:23,225 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:23,225 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:10:23,225 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,226 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,226 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 12:10:23,228 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-02 12:10:23,228 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-02 12:10:23,238 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,239 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,239 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:23,239 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:10:23,239 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,239 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,239 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,239 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 12:10:23,240 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 12:10:23,240 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,242 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,242 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-02 12:10:23,242 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-02 12:10:23,243 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-02 12:10:23,243 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-02 12:10:23,243 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-02 12:10:23,243 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-02 12:10:23,243 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-02 12:10:23,243 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-02 12:10:23,244 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-02 12:10:23,245 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-02 12:10:23,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 12:10:23 BoogieIcfgContainer [2018-12-02 12:10:23,250 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-02 12:10:23,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 12:10:23,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 12:10:23,250 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 12:10:23,250 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:09:52" (3/4) ... [2018-12-02 12:10:23,253 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 12:10:23,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 12:10:23,254 INFO L168 Benchmark]: Toolchain (without parser) took 31141.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -48.7 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2018-12-02 12:10:23,255 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:10:23,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 116.36 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 12:10:23,256 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.79 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:10:23,256 INFO L168 Benchmark]: Boogie Preprocessor took 10.17 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 12:10:23,256 INFO L168 Benchmark]: RCFGBuilder took 130.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -134.1 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-02 12:10:23,257 INFO L168 Benchmark]: BuchiAutomizer took 30859.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.3 MB). Peak memory consumption was 263.4 MB. Max. memory is 11.5 GB. [2018-12-02 12:10:23,257 INFO L168 Benchmark]: Witness Printer took 3.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:10:23,259 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 116.36 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.79 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.17 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 130.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -134.1 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 30859.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.3 MB). Peak memory consumption was 263.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 30.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 30.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div487 bol100 ite100 ukn100 eq142 hnf45 smp90 dnf100 smp100 tf103 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 13ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 16.7s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0;" "assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;" Loop: "assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...