./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/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 6a0edfd90480f917557019c272eaa2ec2221428a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:30:46,226 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:30:46,227 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:30:46,234 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:30:46,235 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:30:46,235 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:30:46,236 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:30:46,237 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:30:46,238 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:30:46,239 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:30:46,239 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:30:46,239 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:30:46,240 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:30:46,241 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:30:46,241 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:30:46,242 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:30:46,243 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:30:46,244 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:30:46,245 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:30:46,246 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:30:46,247 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:30:46,248 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:30:46,249 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:30:46,249 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:30:46,249 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:30:46,250 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:30:46,251 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:30:46,251 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:30:46,252 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:30:46,253 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:30:46,253 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:30:46,253 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:30:46,253 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:30:46,253 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:30:46,254 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:30:46,255 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:30:46,255 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:30:46,266 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:30:46,266 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:30:46,267 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:30:46,267 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:30:46,267 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:30:46,267 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:30:46,267 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:30:46,267 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:30:46,268 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:30:46,268 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:30:46,268 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:30:46,268 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:30:46,268 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:30:46,268 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:30:46,268 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:30:46,268 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:30:46,268 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:30:46,269 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:30:46,269 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:30:46,269 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:30:46,269 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:30:46,269 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:30:46,269 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:30:46,269 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:30:46,269 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:30:46,270 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:30:46,270 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:30:46,270 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:30:46,270 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:30:46,270 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:30:46,270 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:30:46,270 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:30:46,271 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_813ab03b-74d0-4e71-91f6-8dbfb157ac52/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 -> 6a0edfd90480f917557019c272eaa2ec2221428a [2018-11-18 09:30:46,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:30:46,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:30:46,303 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:30:46,304 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:30:46,304 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:30:46,304 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-11-18 09:30:46,340 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/data/d4f52639b/9ecaf92ece42472aba645de3ec5a5bed/FLAG0cfc7a7ce [2018-11-18 09:30:46,738 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:30:46,738 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-11-18 09:30:46,742 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/data/d4f52639b/9ecaf92ece42472aba645de3ec5a5bed/FLAG0cfc7a7ce [2018-11-18 09:30:46,752 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/data/d4f52639b/9ecaf92ece42472aba645de3ec5a5bed [2018-11-18 09:30:46,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:30:46,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:30:46,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:30:46,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:30:46,758 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:30:46,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:30:46" (1/1) ... [2018-11-18 09:30:46,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfef79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:46, skipping insertion in model container [2018-11-18 09:30:46,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:30:46" (1/1) ... [2018-11-18 09:30:46,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:30:46,779 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:30:46,884 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:30:46,887 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:30:46,896 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:30:46,904 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:30:46,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:46 WrapperNode [2018-11-18 09:30:46,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:30:46,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:30:46,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:30:46,905 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:30:46,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:46" (1/1) ... [2018-11-18 09:30:46,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:46" (1/1) ... [2018-11-18 09:30:46,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:30:46,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:30:46,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:30:46,924 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:30:46,929 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:46" (1/1) ... [2018-11-18 09:30:46,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:46" (1/1) ... [2018-11-18 09:30:46,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:46" (1/1) ... [2018-11-18 09:30:46,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:46" (1/1) ... [2018-11-18 09:30:46,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:46" (1/1) ... [2018-11-18 09:30:46,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:46" (1/1) ... [2018-11-18 09:30:46,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:46" (1/1) ... [2018-11-18 09:30:46,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:30:46,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:30:46,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:30:46,935 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:30:46,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:30:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:30:47,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:30:47,088 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:30:47,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:30:47 BoogieIcfgContainer [2018-11-18 09:30:47,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:30:47,089 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:30:47,089 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:30:47,091 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:30:47,091 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:30:47,092 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:30:46" (1/3) ... [2018-11-18 09:30:47,092 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@158c90a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:30:47, skipping insertion in model container [2018-11-18 09:30:47,092 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:30:47,092 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:30:46" (2/3) ... [2018-11-18 09:30:47,093 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@158c90a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:30:47, skipping insertion in model container [2018-11-18 09:30:47,093 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:30:47,093 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:30:47" (3/3) ... [2018-11-18 09:30:47,094 INFO L375 chiAutomizerObserver]: Analyzing ICFG underapprox_true-unreach-call1_true-termination.i [2018-11-18 09:30:47,129 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:30:47,130 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:30:47,130 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:30:47,130 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:30:47,130 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:30:47,130 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:30:47,130 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:30:47,130 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:30:47,130 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:30:47,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-18 09:30:47,150 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-18 09:30:47,150 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:30:47,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:30:47,154 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 09:30:47,155 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-18 09:30:47,155 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:30:47,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-18 09:30:47,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-18 09:30:47,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:30:47,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:30:47,156 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 09:30:47,156 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-18 09:30:47,163 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-3true [2018-11-18 09:30:47,163 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-3true [2018-11-18 09:30:47,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:30:47,168 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-18 09:30:47,169 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:30:47,170 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:30:47,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:47,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:30:47,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:47,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:30:47,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-11-18 09:30:47,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:30:47,223 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:30:47,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:47,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:30:47,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:47,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:30:47,234 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-11-18 09:30:47,234 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:30:47,234 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:30:47,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:47,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:30:47,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:30:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:30:47,287 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:30:47,287 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:30:47,287 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:30:47,288 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:30:47,288 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 09:30:47,288 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:30:47,288 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:30:47,288 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:30:47,288 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-18 09:30:47,288 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:30:47,288 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:30:47,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:47,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:47,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:47,437 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:30:47,437 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/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 [2018-11-18 09:30:47,449 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:30:47,449 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:30:47,456 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:30:47,456 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_813ab03b-74d0-4e71-91f6-8dbfb157ac52/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 [2018-11-18 09:30:47,472 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:30:47,472 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:30:47,475 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:30:47,475 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:30:47,490 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:30:47,491 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:30:47,508 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 09:30:47,508 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:30:49,086 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 09:30:49,090 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:30:49,090 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:30:49,090 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:30:49,090 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:30:49,091 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 09:30:49,091 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:30:49,091 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:30:49,091 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:30:49,091 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-18 09:30:49,091 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:30:49,091 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:30:49,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:49,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:49,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:49,186 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:30:49,189 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 09:30:49,190 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,191 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:49,191 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,192 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,192 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,192 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:30:49,194 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:30:49,194 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,197 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,197 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,198 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:49,198 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,198 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,198 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,198 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:30:49,199 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:30:49,199 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,201 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,201 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,202 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:49,202 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,202 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,202 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,202 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:30:49,203 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:30:49,203 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,210 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 09:30:49,210 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 [2018-11-18 09:30:49,211 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:49,211 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,211 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,211 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:49,212 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:30:49,212 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,213 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,213 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,214 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:49,214 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,214 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,214 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,214 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:49,215 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:30:49,215 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,217 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,217 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,218 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:49,218 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,218 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,218 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,218 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:49,219 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:30:49,220 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,228 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,228 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 09:30:49,229 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,229 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:49,229 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,230 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,230 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,230 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:49,231 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:49,231 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,232 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,232 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,232 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:49,233 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,233 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,233 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,233 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:49,234 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:49,234 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,235 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,235 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,236 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:49,236 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,236 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,236 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,236 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:49,237 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:49,238 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,249 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,249 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 09:30:49,249 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,250 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:49,250 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,250 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,250 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,250 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:49,251 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:30:49,251 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,254 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,254 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,255 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:49,255 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,255 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,255 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,255 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:49,256 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:30:49,256 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,258 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,258 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,258 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:30:49,259 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,259 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,259 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,259 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:49,260 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:30:49,260 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,272 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,272 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 09:30:49,272 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,273 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:49,273 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:49,273 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,273 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,274 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,274 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:49,275 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:30:49,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,276 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,276 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,277 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:49,277 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:49,277 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,277 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,278 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,278 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:49,279 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:30:49,280 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,284 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,285 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,285 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:49,286 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:49,286 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,286 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,286 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,286 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:30:49,287 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:30:49,288 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,312 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,312 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 09:30:49,313 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,313 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:49,314 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:30:49,314 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,314 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,314 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,314 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:49,315 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:49,315 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,319 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,319 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,320 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:49,320 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:30:49,320 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,320 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,321 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,321 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:49,323 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:49,323 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,330 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,330 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,331 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:49,331 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:30:49,331 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,331 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,331 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,332 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:49,333 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:49,333 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,361 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,361 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 09:30:49,362 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,363 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:49,363 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:49,363 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,363 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:49,365 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:30:49,365 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,367 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,367 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:49,367 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:49,368 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,368 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,368 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,368 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:49,373 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:30:49,373 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,375 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,376 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,377 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:49,377 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:49,377 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,377 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,377 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,377 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:30:49,380 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:30:49,380 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,413 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,413 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 09:30:49,413 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,414 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:49,414 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:49,414 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,415 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,415 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,415 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:49,415 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:49,415 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,418 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,418 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 [2018-11-18 09:30:49,418 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:49,418 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:49,419 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,419 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,419 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,419 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:49,420 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:49,420 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,424 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,424 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,425 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:49,425 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:30:49,425 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,425 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,425 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,425 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:30:49,426 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:30:49,426 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,433 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,433 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 09:30:49,433 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 [2018-11-18 09:30:49,434 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:49,434 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:49,434 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,434 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,434 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,434 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:30:49,435 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:30:49,435 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,439 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,439 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,440 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:49,440 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:49,440 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,440 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,440 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,440 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:30:49,442 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:30:49,442 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,452 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,453 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:30:49,453 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:30:49,454 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:30:49,454 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:30:49,454 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:30:49,454 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:30:49,454 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:30:49,455 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:30:49,455 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:30:49,466 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:30:49,476 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:30:49,476 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:30:49,476 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:30:49,476 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:30:49,476 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 09:30:49,476 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:30:49,476 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:30:49,476 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:30:49,476 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-18 09:30:49,477 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:30:49,477 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:30:49,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:49,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:49,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:49,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:30:49,565 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:30:49,566 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:30:49,574 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:30:49,574 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:30:49,578 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:30:49,578 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_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:30:49,605 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:30:49,605 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:30:49,608 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:30:49,608 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:30:49,624 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:30:49,624 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:30:49,646 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 09:30:49,646 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:30:49,672 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:30:49,672 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=1} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=4}, {ULTIMATE.start_main_~y~0=5}, {ULTIMATE.start_main_~y~0=-8}] Lambdas: [2, 2, 2] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/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 [2018-11-18 09:30:49,688 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:30:49,688 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:30:49,705 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 09:30:49,705 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:31:01,881 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-18 09:31:01,886 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:31:01,886 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:31:01,886 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:31:01,886 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:31:01,886 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 09:31:01,886 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:31:01,886 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:31:01,886 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:31:01,886 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-18 09:31:01,887 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:31:01,887 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:31:01,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:01,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:01,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:01,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:02,001 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:31:02,001 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 09:31:02,001 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,002 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:02,002 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,002 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,002 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:31:02,003 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:31:02,003 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 09:31:02,010 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,010 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,011 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:02,011 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:02,011 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,011 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,011 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:31:02,012 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:31:02,012 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:02,012 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,012 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,013 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:02,013 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,013 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,013 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:31:02,014 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:31:02,014 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 09:31:02,019 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,019 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,019 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:02,019 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:02,020 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,020 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,020 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:31:02,020 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:31:02,020 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:02,021 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,021 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 09:31:02,021 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,021 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:02,022 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,022 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,022 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:02,023 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 09:31:02,023 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 09:31:02,031 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,032 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,032 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:02,032 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:02,032 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,033 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,033 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:02,033 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:31:02,033 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:02,034 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,034 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,034 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:02,034 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,035 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,035 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:02,036 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 09:31:02,036 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 09:31:02,047 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,048 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,048 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:02,048 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:02,048 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,048 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,049 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:02,049 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:31:02,049 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:02,049 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,050 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 09:31:02,050 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,050 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:02,050 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,051 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,051 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:02,052 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:31:02,052 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:31:02,061 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,062 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,062 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:02,062 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:02,062 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,062 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,063 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:02,063 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:02,063 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:02,063 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,064 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,064 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:02,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,064 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:02,066 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:31:02,066 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:31:02,091 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,092 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,093 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:02,094 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:02,094 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,094 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,094 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:02,094 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:02,095 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:02,095 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,095 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 09:31:02,096 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,096 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:02,096 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,096 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,096 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:02,098 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 09:31:02,099 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 09:31:02,109 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,109 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,110 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:02,110 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:02,110 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,110 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,110 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:02,111 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:31:02,111 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:02,111 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,112 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 [2018-11-18 09:31:02,112 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:02,112 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,112 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,112 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:02,114 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 09:31:02,115 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 09:31:02,147 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,147 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,148 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:02,148 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:02,148 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,148 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,148 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:02,149 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:31:02,149 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:02,149 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,149 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 09:31:02,150 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,150 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:02,150 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:02,151 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,151 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,151 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:02,152 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 09:31:02,152 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 09:31:02,169 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,169 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,169 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:02,170 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:02,170 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:02,170 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,170 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,170 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:02,171 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:31:02,171 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:02,171 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,171 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,172 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:02,172 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:02,172 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,172 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,172 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:02,174 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 09:31:02,174 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 09:31:02,255 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,255 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,256 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:02,256 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:02,256 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:02,256 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,256 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,256 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:02,257 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:31:02,257 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:02,258 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,258 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 09:31:02,258 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,259 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:02,259 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:31:02,259 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,259 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,259 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:02,261 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:31:02,261 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:31:02,282 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,283 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,283 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:02,283 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:31:02,283 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:02,284 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,284 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,284 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:02,284 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:02,285 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:02,285 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,286 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,286 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:02,286 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:31:02,286 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,287 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,287 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:02,289 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:31:02,289 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:31:02,667 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,667 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,668 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:02,669 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:31:02,669 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:02,669 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,669 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,669 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:02,670 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:02,670 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:02,671 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,671 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 09:31:02,671 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,672 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:02,672 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:02,672 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,672 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,672 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:02,675 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 09:31:02,675 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 09:31:02,707 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,707 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,708 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:02,708 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:02,708 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:02,708 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,708 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,711 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:02,711 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:31:02,712 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:02,712 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:02,712 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:02,713 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:02,713 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:02,713 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:02,713 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:02,713 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:02,718 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 09:31:02,719 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 09:31:03,765 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:03,766 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:03,766 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:03,767 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:03,767 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:03,767 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:03,767 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:03,767 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:03,768 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:31:03,768 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:03,769 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:03,769 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 09:31:03,769 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:03,769 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:03,770 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:03,770 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:03,770 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:03,770 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:03,771 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:31:03,771 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:31:03,781 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:03,782 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:03,782 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:03,782 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:03,782 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:03,782 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:03,782 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:03,782 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:03,783 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:03,783 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:03,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:03,784 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:03,784 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:03,784 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:03,785 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:03,785 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:03,785 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:03,786 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:31:03,786 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:31:03,810 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:03,811 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:03,811 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:03,811 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:03,811 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:03,811 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:03,812 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:03,812 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:03,812 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:03,812 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:03,813 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:03,813 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 09:31:03,814 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:03,814 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:03,814 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:03,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:03,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:03,814 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:31:03,817 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-18 09:31:03,817 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-18 09:31:03,835 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:03,835 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:03,836 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:03,836 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:03,836 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:03,836 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:03,836 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:03,836 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:31:03,837 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:31:03,837 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:03,838 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:03,838 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:03,839 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:03,839 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:03,839 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:03,839 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:03,839 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:31:03,842 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-18 09:31:03,842 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-18 09:31:04,002 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:04,002 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:04,003 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:04,003 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:04,003 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:04,003 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:04,003 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:04,003 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:31:04,004 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:31:04,004 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:04,006 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:04,007 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-18 09:31:04,007 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-3true [2018-11-18 09:31:04,007 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-3true [2018-11-18 09:31:04,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:04,007 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 2 times [2018-11-18 09:31:04,007 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:31:04,007 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:31:04,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:04,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:04,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:04,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:04,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 2 times [2018-11-18 09:31:04,014 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:31:04,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:31:04,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:04,015 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:31:04,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:04,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:04,018 INFO L82 PathProgramCache]: Analyzing trace with hash 889541199, now seen corresponding path program 3 times [2018-11-18 09:31:04,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:31:04,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:31:04,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:04,019 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:31:04,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:31:04,049 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:31:04,050 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:31:04,050 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:31:04,050 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:31:04,050 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 09:31:04,050 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:31:04,050 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:31:04,050 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:31:04,050 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-18 09:31:04,050 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:31:04,050 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:31:04,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:04,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:04,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:04,129 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:31:04,129 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:31:04,133 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:31:04,133 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:31:04,137 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:31:04,137 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_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:31:04,157 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:31:04,157 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:31:04,160 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:31:04,160 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:31:04,176 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:31:04,176 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:31:04,194 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 09:31:04,194 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:31:05,286 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 09:31:05,290 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:31:05,290 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:31:05,290 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:31:05,290 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:31:05,290 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 09:31:05,290 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:31:05,290 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:31:05,290 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:31:05,290 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-18 09:31:05,290 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:31:05,290 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:31:05,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:05,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:05,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:05,338 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:31:05,338 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 09:31:05,338 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,339 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:05,339 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,339 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,339 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,339 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:31:05,340 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:31:05,340 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,340 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,340 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,341 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:05,341 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,341 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,341 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,341 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:31:05,341 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:31:05,341 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,342 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,348 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,349 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:05,349 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,349 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,349 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,349 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:31:05,349 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:31:05,350 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,351 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,351 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 09:31:05,351 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,352 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:05,352 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,352 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,352 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,352 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:05,355 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:31:05,355 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,355 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,356 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,356 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:05,356 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,356 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,356 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,356 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:05,357 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:31:05,357 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,357 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,358 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,358 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:05,358 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,358 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,358 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,358 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:05,358 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:31:05,359 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,361 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,361 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 09:31:05,362 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,362 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:05,362 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,362 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,362 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,362 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:05,363 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:05,363 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,363 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,363 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,364 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:05,364 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,364 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,364 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,364 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:05,364 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:05,364 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,365 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,365 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,365 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:05,366 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,366 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,366 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,366 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:05,366 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:05,366 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,376 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,377 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 09:31:05,377 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,377 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:05,377 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,378 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,378 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,378 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:05,378 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:31:05,378 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,378 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,379 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,379 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:05,379 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,379 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,379 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,379 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:05,380 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:31:05,380 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,380 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,381 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,381 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:05,381 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,381 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,381 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,381 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:05,382 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:31:05,382 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,384 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,384 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 09:31:05,385 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,385 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:05,385 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:05,385 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,385 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,385 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,385 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:05,386 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:31:05,386 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,386 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,387 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,387 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:05,387 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:05,387 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,387 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,387 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,387 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:05,388 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:31:05,388 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,389 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,389 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,389 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:05,389 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:05,390 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,390 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,390 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,390 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:05,390 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:31:05,390 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,395 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,395 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 09:31:05,396 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,396 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:05,396 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:31:05,396 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,396 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,396 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,396 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:05,397 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:05,397 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,398 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,398 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,398 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:05,398 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:31:05,399 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,399 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,399 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,399 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:05,400 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:05,400 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,402 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,402 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,402 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:05,402 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:31:05,402 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,403 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,403 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,403 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:05,403 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:05,404 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,412 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,413 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 09:31:05,413 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,413 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:05,413 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:05,413 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,414 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,414 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,414 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:05,414 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:31:05,415 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,415 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,415 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 [2018-11-18 09:31:05,416 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:05,416 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:05,416 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,416 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,416 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,416 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:05,418 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:31:05,418 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,419 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,420 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,420 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:05,420 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:05,420 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,420 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,421 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,421 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:05,422 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:31:05,422 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,437 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,437 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 09:31:05,437 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,438 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:05,438 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:05,438 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,438 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,438 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,438 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:05,438 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:05,439 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,440 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,440 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,440 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:05,440 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:05,440 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,440 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,441 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,441 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:05,441 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:05,441 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,443 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,443 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,444 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:05,444 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:05,444 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,444 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,444 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,444 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:05,445 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:05,445 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,448 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,448 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 09:31:05,448 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,449 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:05,449 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:05,449 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,449 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,449 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,449 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:31:05,449 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:31:05,449 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,450 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,451 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,451 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:05,451 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:05,451 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,451 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,451 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,451 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:31:05,452 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:31:05,452 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,457 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,457 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:05,458 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:05,458 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:05,458 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:05,458 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:05,458 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:05,458 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:31:05,459 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:31:05,459 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:05,466 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:05,486 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:31:05,487 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:31:05,487 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:31:05,487 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:31:05,487 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 09:31:05,487 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:31:05,487 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:31:05,487 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:31:05,487 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-18 09:31:05,487 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:31:05,487 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:31:05,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:05,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:05,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:05,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:05,583 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:31:05,583 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:31:05,586 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:31:05,586 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:31:05,603 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 09:31:05,603 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:31:05,612 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:31:05,612 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=2} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=7}, {ULTIMATE.start_main_~y~0=3}, {ULTIMATE.start_main_~y~0=-8}] Lambdas: [2, 2, 2] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:31:05,629 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:31:05,629 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:31:05,631 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:31:05,631 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_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:31:05,648 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:31:05,648 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_813ab03b-74d0-4e71-91f6-8dbfb157ac52/bin-2019/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:31:05,665 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 09:31:05,666 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:31:17,704 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-18 09:31:17,708 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:31:17,708 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:31:17,708 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:31:17,708 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:31:17,708 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 09:31:17,708 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:31:17,708 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:31:17,708 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:31:17,708 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-18 09:31:17,708 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:31:17,708 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:31:17,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:17,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:17,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:17,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:31:17,798 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:31:17,798 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 09:31:17,799 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:17,799 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:17,799 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,799 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,799 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:31:17,800 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:31:17,800 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 09:31:17,803 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,803 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:17,804 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:17,804 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,804 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:31:17,809 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:31:17,809 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 09:31:17,812 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,813 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:17,813 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:17,814 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:17,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,814 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:31:17,814 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:31:17,814 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:17,814 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,815 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:17,815 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:17,815 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:17,815 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,815 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,815 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:31:17,815 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:31:17,815 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:17,816 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,816 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 09:31:17,816 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:17,820 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:17,821 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,821 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,821 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:17,822 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 09:31:17,822 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 09:31:17,828 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,829 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:17,829 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:17,829 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,829 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:17,830 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 09:31:17,830 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 09:31:17,835 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,836 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 [2018-11-18 09:31:17,836 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:17,838 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:17,838 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,838 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,838 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:17,838 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:31:17,839 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:17,839 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,839 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 [2018-11-18 09:31:17,839 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:17,840 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:17,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,840 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:17,840 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:31:17,840 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:17,840 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,841 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 09:31:17,841 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 [2018-11-18 09:31:17,841 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:17,841 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,841 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,841 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:17,842 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:31:17,842 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:31:17,860 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,861 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 [2018-11-18 09:31:17,861 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:17,861 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,861 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,861 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:17,862 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:31:17,862 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:31:17,868 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,869 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 [2018-11-18 09:31:17,869 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:17,869 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:17,869 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,869 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,869 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:17,870 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:17,870 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:17,870 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,870 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:17,871 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:17,871 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:17,871 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,871 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,871 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:17,871 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:17,871 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:17,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,872 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 09:31:17,872 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:17,872 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:17,872 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,872 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,872 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:17,874 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 09:31:17,874 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 09:31:17,894 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,895 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:17,895 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:17,895 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,895 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,895 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:17,896 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 09:31:17,896 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 09:31:17,904 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,904 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:17,904 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:17,905 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:17,905 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,905 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,905 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:17,905 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:31:17,905 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:17,906 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,906 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 [2018-11-18 09:31:17,906 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:31:17,906 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:17,906 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,906 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,906 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:17,907 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:31:17,907 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:17,907 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,907 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 09:31:17,907 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:17,908 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:17,908 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:17,908 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,908 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,908 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:17,909 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 09:31:17,909 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 09:31:17,959 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,959 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:17,960 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:17,960 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:17,960 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,960 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,960 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:17,961 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 09:31:17,961 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 09:31:17,974 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,975 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:17,975 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:17,975 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:17,975 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:17,975 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,976 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,976 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:17,976 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:31:17,976 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:17,976 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,977 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:17,977 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:17,977 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:17,977 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:17,977 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,977 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,978 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:31:17,978 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:31:17,978 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:17,978 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:17,978 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 09:31:17,979 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:17,979 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:17,979 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:31:17,979 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:17,979 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:17,979 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:17,981 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:31:17,981 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:31:18,123 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:18,124 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:18,124 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:18,124 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:31:18,124 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:18,124 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:18,124 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:18,126 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:31:18,126 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:31:18,153 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:18,153 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:18,154 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:18,154 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:31:18,154 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:18,154 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:18,154 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:18,154 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:18,154 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:18,155 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:18,155 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:18,156 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:18,156 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:18,156 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:31:18,156 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:18,156 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:18,156 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:18,156 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:18,157 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:18,157 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:18,157 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:18,158 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 09:31:18,158 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:18,158 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:18,158 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:18,158 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:18,158 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:18,158 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:18,162 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 09:31:18,162 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 09:31:18,968 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:18,968 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:18,968 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:18,968 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:18,969 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:18,969 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:18,969 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:18,970 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 09:31:18,971 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 09:31:18,996 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:18,997 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:18,997 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:18,997 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:18,997 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:18,997 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:18,997 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:18,997 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:18,998 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:31:18,998 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:18,999 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:18,999 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:18,999 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:18,999 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:19,000 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:19,000 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:19,000 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:19,000 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:31:19,000 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:31:19,000 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:19,001 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:19,001 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 09:31:19,001 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:19,002 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:19,002 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:19,002 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:19,002 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:19,002 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:19,003 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:31:19,003 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:31:19,019 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:19,019 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:19,019 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:19,019 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:19,019 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:19,020 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:19,020 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:19,021 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:31:19,021 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:31:19,028 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:19,029 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:19,029 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:19,029 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:19,029 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:19,029 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:19,029 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:19,029 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:19,030 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:19,030 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:19,031 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:19,031 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:19,031 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:19,031 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:31:19,031 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:19,032 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:19,032 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:19,032 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:31:19,032 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:31:19,032 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:19,033 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:19,033 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 09:31:19,033 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:19,033 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:19,033 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:19,034 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:19,034 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:19,034 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:31:19,036 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-18 09:31:19,036 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-18 09:31:19,234 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:19,235 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:19,235 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:19,235 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:19,235 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:19,235 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:19,235 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:31:19,237 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-18 09:31:19,237 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-18 09:31:19,264 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:19,265 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:19,265 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:19,265 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:19,265 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:19,265 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:19,265 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:19,265 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:31:19,266 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:31:19,266 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:19,267 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:19,268 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:31:19,268 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:31:19,268 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:31:19,268 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:31:19,268 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:31:19,268 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:31:19,268 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:31:19,269 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:31:19,269 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:31:19,270 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:31:19,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:31:19 BoogieIcfgContainer [2018-11-18 09:31:19,275 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:31:19,275 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:31:19,275 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:31:19,275 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:31:19,276 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:30:47" (3/4) ... [2018-11-18 09:31:19,279 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 09:31:19,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:31:19,279 INFO L168 Benchmark]: Toolchain (without parser) took 32524.59 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 343.4 MB). Free memory was 958.2 MB in the beginning and 1.2 GB in the end (delta: -284.6 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:31:19,281 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:31:19,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.48 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:31:19,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.64 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:31:19,282 INFO L168 Benchmark]: Boogie Preprocessor took 10.88 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:31:19,282 INFO L168 Benchmark]: RCFGBuilder took 153.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:31:19,282 INFO L168 Benchmark]: BuchiAutomizer took 32186.11 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -121.9 MB). Peak memory consumption was 485.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:31:19,283 INFO L168 Benchmark]: Witness Printer took 3.67 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:31:19,286 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 148.48 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.64 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.88 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 153.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 32186.11 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 201.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -121.9 MB). Peak memory consumption was 485.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.67 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. 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 32.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 32.1s. 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: inital20 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div401 bol100 ite100 ukn100 eq146 hnf49 smp92 dnf100 smp100 tf103 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 201ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 13.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "assume true;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" Loop: "assume true;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...