./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loop-acceleration/functions_false-unreach-call1_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/loop-acceleration/functions_false-unreach-call1_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 b863c06e3a705bd271aead006d68e66fa05ed392 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 03:43:35,105 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 03:43:35,107 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 03:43:35,123 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 03:43:35,125 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 03:43:35,126 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 03:43:35,127 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 03:43:35,129 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 03:43:35,131 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 03:43:35,131 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 03:43:35,132 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 03:43:35,132 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 03:43:35,133 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 03:43:35,134 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 03:43:35,135 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 03:43:35,136 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 03:43:35,137 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 03:43:35,139 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 03:43:35,141 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 03:43:35,142 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 03:43:35,143 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 03:43:35,145 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 03:43:35,147 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 03:43:35,148 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 03:43:35,148 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 03:43:35,149 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 03:43:35,150 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 03:43:35,150 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 03:43:35,151 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 03:43:35,152 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 03:43:35,153 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 03:43:35,154 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 03:43:35,154 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 03:43:35,154 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 03:43:35,155 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 03:43:35,156 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 03:43:35,156 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 03:43:35,173 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 03:43:35,173 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 03:43:35,174 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 03:43:35,175 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 03:43:35,175 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 03:43:35,175 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 03:43:35,175 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 03:43:35,175 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 03:43:35,176 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 03:43:35,176 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 03:43:35,176 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 03:43:35,176 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 03:43:35,176 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 03:43:35,176 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 03:43:35,177 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 03:43:35,177 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 03:43:35,177 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 03:43:35,177 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 03:43:35,177 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 03:43:35,177 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 03:43:35,178 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 03:43:35,178 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 03:43:35,179 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 03:43:35,179 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 03:43:35,179 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 03:43:35,179 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 03:43:35,179 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 03:43:35,180 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 03:43:35,180 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 03:43:35,180 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 03:43:35,180 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 03:43:35,182 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 03:43:35,182 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> b863c06e3a705bd271aead006d68e66fa05ed392 [2019-01-14 03:43:35,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 03:43:35,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 03:43:35,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 03:43:35,247 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 03:43:35,250 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 03:43:35,251 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-acceleration/functions_false-unreach-call1_true-termination.i [2019-01-14 03:43:35,314 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c33719696/ec38cfcd0ce44a30aeb9f12ed5c80560/FLAG1f654a0be [2019-01-14 03:43:35,767 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 03:43:35,768 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-acceleration/functions_false-unreach-call1_true-termination.i [2019-01-14 03:43:35,774 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c33719696/ec38cfcd0ce44a30aeb9f12ed5c80560/FLAG1f654a0be [2019-01-14 03:43:36,143 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c33719696/ec38cfcd0ce44a30aeb9f12ed5c80560 [2019-01-14 03:43:36,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 03:43:36,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 03:43:36,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 03:43:36,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 03:43:36,155 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 03:43:36,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:43:36" (1/1) ... [2019-01-14 03:43:36,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71cdea4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:43:36, skipping insertion in model container [2019-01-14 03:43:36,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:43:36" (1/1) ... [2019-01-14 03:43:36,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 03:43:36,189 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 03:43:36,418 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:43:36,424 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 03:43:36,442 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:43:36,461 INFO L195 MainTranslator]: Completed translation [2019-01-14 03:43:36,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:43:36 WrapperNode [2019-01-14 03:43:36,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 03:43:36,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 03:43:36,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 03:43:36,463 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 03:43:36,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:43:36" (1/1) ... [2019-01-14 03:43:36,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:43:36" (1/1) ... [2019-01-14 03:43:36,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 03:43:36,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 03:43:36,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 03:43:36,504 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 03:43:36,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:43:36" (1/1) ... [2019-01-14 03:43:36,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:43:36" (1/1) ... [2019-01-14 03:43:36,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:43:36" (1/1) ... [2019-01-14 03:43:36,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:43:36" (1/1) ... [2019-01-14 03:43:36,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:43:36" (1/1) ... [2019-01-14 03:43:36,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:43:36" (1/1) ... [2019-01-14 03:43:36,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:43:36" (1/1) ... [2019-01-14 03:43:36,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 03:43:36,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 03:43:36,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 03:43:36,541 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 03:43:36,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:43:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 03:43:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 03:43:36,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 03:43:36,838 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 03:43:36,839 INFO L286 CfgBuilder]: Removed 9 assue(true) statements. [2019-01-14 03:43:36,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:43:36 BoogieIcfgContainer [2019-01-14 03:43:36,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 03:43:36,841 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 03:43:36,841 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 03:43:36,845 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 03:43:36,845 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:43:36,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 03:43:36" (1/3) ... [2019-01-14 03:43:36,847 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2204b8c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:43:36, skipping insertion in model container [2019-01-14 03:43:36,847 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:43:36,847 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:43:36" (2/3) ... [2019-01-14 03:43:36,849 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2204b8c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:43:36, skipping insertion in model container [2019-01-14 03:43:36,849 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:43:36,849 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:43:36" (3/3) ... [2019-01-14 03:43:36,850 INFO L375 chiAutomizerObserver]: Analyzing ICFG functions_false-unreach-call1_true-termination.i [2019-01-14 03:43:36,905 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 03:43:36,906 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 03:43:36,906 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 03:43:36,906 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 03:43:36,906 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 03:43:36,907 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 03:43:36,907 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 03:43:36,907 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 03:43:36,907 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 03:43:36,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-14 03:43:36,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-14 03:43:36,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:43:36,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:43:36,947 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 03:43:36,947 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 03:43:36,947 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 03:43:36,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-14 03:43:36,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-14 03:43:36,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:43:36,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:43:36,949 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 03:43:36,949 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 03:43:36,957 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true [2019-01-14 03:43:36,957 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2019-01-14 03:43:36,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:43:36,963 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-14 03:43:36,965 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:43:36,966 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:43:37,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:43:37,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:43:37,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:43:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:43:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:43:37,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:43:37,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2019-01-14 03:43:37,063 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:43:37,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:43:37,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:43:37,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:43:37,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:43:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:43:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:43:37,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:43:37,103 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 1 times [2019-01-14 03:43:37,103 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:43:37,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:43:37,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:43:37,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:43:37,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:43:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:43:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:43:37,318 WARN L181 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-14 03:43:37,340 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:43:37,341 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:43:37,341 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:43:37,342 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:43:37,342 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:43:37,342 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:43:37,342 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:43:37,342 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:43:37,343 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Loop [2019-01-14 03:43:37,343 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:43:37,344 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:43:37,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:43:37,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:43:37,786 WARN L181 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-01-14 03:43:37,888 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:43:37,888 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-14 03:43:37,901 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:43:37,901 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:43:37,913 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 03:43:37,914 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0=0} Honda state: {ULTIMATE.start_main_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 03:43:37,933 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:43:37,934 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 03:43:38,101 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:43:38,101 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:43:50,336 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-14 03:43:50,356 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:43:50,357 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:43:50,357 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:43:50,357 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:43:50,357 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:43:50,357 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:43:50,357 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:43:50,358 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:43:50,358 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Loop [2019-01-14 03:43:50,358 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:43:50,358 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:43:50,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:43:50,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:43:50,645 WARN L181 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-01-14 03:43:50,755 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:43:50,761 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:43:50,763 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:50,765 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:43:50,765 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:50,766 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:50,766 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:50,766 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:43:50,771 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:43:50,771 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:50,791 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:50,791 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:50,793 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:43:50,793 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:50,793 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:50,793 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:50,794 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:43:50,794 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:43:50,794 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:50,797 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:50,797 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 03:43:50,798 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:50,798 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:43:50,799 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:50,799 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:50,799 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:50,799 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:43:50,803 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:43:50,804 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:50,827 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:50,827 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:50,828 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:43:50,829 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:50,829 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:50,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:50,829 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:43:50,831 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:43:50,831 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:50,833 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:50,833 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-14 03:43:50,834 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:50,834 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:43:50,835 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:50,835 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:50,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:50,835 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:43:50,840 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:43:50,840 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:50,866 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:50,867 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:50,868 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:43:50,868 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:50,870 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:50,870 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:50,870 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:43:50,873 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:43:50,875 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:50,879 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:50,879 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-14 03:43:50,880 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:50,882 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:43:50,883 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:50,883 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:50,883 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:50,883 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:43:50,892 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:43:50,894 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:50,949 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:50,951 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:50,952 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:43:50,952 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:50,952 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:50,952 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:50,952 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:43:50,957 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:43:50,957 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:50,959 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:50,961 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-14 03:43:50,961 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:50,962 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:43:50,962 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:43:50,963 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:50,963 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:50,963 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:50,963 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:43:50,976 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:43:50,979 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:51,076 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:51,077 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:51,078 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:43:51,078 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:43:51,078 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:51,078 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:51,078 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:51,079 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:43:51,083 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:43:51,083 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:51,084 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:51,088 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-14 03:43:51,089 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:51,093 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:43:51,093 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:43:51,093 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:51,094 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:51,094 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:51,094 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:43:51,105 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:43:51,106 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:51,189 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:51,190 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 [2019-01-14 03:43:51,191 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:43:51,191 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:43:51,191 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:51,192 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:51,192 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:51,192 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:43:51,195 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:43:51,196 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:51,199 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:51,199 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-14 03:43:51,199 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:51,200 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:43:51,200 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:43:51,200 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:51,203 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:51,203 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:51,203 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:43:51,218 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:43:51,218 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:51,340 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:51,341 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:51,342 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:43:51,342 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:43:51,342 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:51,342 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:51,342 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:51,343 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:43:51,345 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:43:51,345 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:51,346 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:51,346 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-14 03:43:51,347 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:51,347 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:43:51,347 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:43:51,348 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:51,348 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:51,348 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:51,348 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:43:51,350 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:43:51,350 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:51,364 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:51,364 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:51,365 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:43:51,365 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:43:51,365 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:51,365 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:51,365 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:51,366 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:43:51,366 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:43:51,367 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:51,368 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:51,369 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-14 03:43:51,369 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:51,370 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:43:51,370 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:43:51,370 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:51,370 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:51,371 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:51,371 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:43:51,374 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:43:51,375 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:51,438 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:51,438 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:43:51,439 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:43:51,439 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:43:51,439 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:43:51,440 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:43:51,440 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:43:51,440 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:43:51,446 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:43:51,446 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:43:51,451 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:43:51,517 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:43:51,517 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:43:51,517 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:43:51,518 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:43:51,518 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:43:51,518 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:43:51,518 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:43:51,518 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:43:51,518 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Lasso [2019-01-14 03:43:51,518 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:43:51,519 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:43:51,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:43:51,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:43:51,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:43:51,754 WARN L181 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-14 03:43:52,118 WARN L181 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-01-14 03:43:52,303 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:43:52,304 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 03:43:52,313 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:43:52,313 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:43:52,318 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 03:43:52,318 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0=0} Honda state: {ULTIMATE.start_main_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 03:43:52,338 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:43:52,339 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:43:52,342 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 03:43:52,342 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 03:43:52,362 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:43:52,362 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-14 03:43:52,418 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:43:52,418 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:44:04,662 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-14 03:44:04,682 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:44:04,682 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:44:04,683 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:44:04,683 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:44:04,683 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:44:04,683 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:44:04,683 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:44:04,683 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:44:04,684 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Lasso [2019-01-14 03:44:04,684 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:44:04,684 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:44:04,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:44:04,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:44:04,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:44:04,878 WARN L181 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-01-14 03:44:04,938 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:44:04,938 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:44:04,939 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:04,939 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:04,939 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:04,940 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:04,940 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:04,940 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:44:04,941 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:44:04,941 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:04,941 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:04,942 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:04,944 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:04,944 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:04,944 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:04,944 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:04,944 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:44:04,945 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:44:04,945 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:04,947 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:04,947 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:04,947 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:04,948 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:04,948 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:04,948 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:44:04,957 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:44:04,957 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 03:44:04,972 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:04,972 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 03:44:04,972 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:04,974 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:04,975 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:04,975 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:04,975 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:04,975 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:44:04,975 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:44:04,976 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:04,978 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:04,980 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:04,981 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:04,982 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:04,982 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:04,983 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:04,983 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:44:04,984 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:44:04,984 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:04,985 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:04,986 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:04,987 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:04,988 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:04,988 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:04,988 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:44:04,992 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 03:44:04,993 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 03:44:05,010 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,011 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-14 03:44:05,011 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,014 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:05,014 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:05,014 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,014 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,014 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:05,022 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:05,022 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:05,023 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,023 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,023 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:05,027 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:05,027 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,027 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,028 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:05,029 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:05,029 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:05,030 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,032 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 [2019-01-14 03:44:05,033 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:05,034 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,034 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,034 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:05,038 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:44:05,040 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:44:05,061 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,061 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-14 03:44:05,061 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,062 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:05,062 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:05,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,064 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:44:05,065 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:44:05,065 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:05,066 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,067 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,070 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:05,070 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:05,071 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,071 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,071 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:44:05,072 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:44:05,073 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:05,073 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,074 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,075 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:05,075 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,075 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,075 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:44:05,081 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-14 03:44:05,081 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-14 03:44:05,105 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,106 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-14 03:44:05,106 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,107 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:05,107 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:44:05,107 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:05,107 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,107 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,108 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:44:05,111 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:44:05,111 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:05,112 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,113 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,113 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:05,113 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:44:05,113 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:05,114 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,116 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,116 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:44:05,117 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:44:05,117 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:05,118 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,119 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,119 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:05,119 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:44:05,120 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,120 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,120 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:44:05,125 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 03:44:05,125 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 03:44:05,165 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,165 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-14 03:44:05,166 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,166 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:05,167 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:44:05,167 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:05,167 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,167 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,167 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:05,171 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:05,171 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:05,172 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,172 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,173 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:05,174 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:44:05,175 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:05,175 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,175 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,175 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:05,177 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:05,177 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:05,179 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,179 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,179 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:05,180 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:44:05,180 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,180 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,180 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:05,186 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:44:05,186 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:44:05,289 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,289 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-14 03:44:05,289 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,290 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:05,290 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:44:05,290 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:05,291 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,291 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,291 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:44:05,295 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:44:05,295 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:05,296 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,296 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,299 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:05,299 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:44:05,299 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:05,299 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,299 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,300 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:44:05,302 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:44:05,302 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:05,303 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,304 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,304 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:05,304 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:44:05,305 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,305 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,305 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:44:05,313 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-14 03:44:05,313 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-14 03:44:05,518 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,519 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-14 03:44:05,519 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,519 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:05,520 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:44:05,520 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:05,520 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,520 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,520 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:05,520 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:05,521 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:05,525 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,525 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,525 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:05,525 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:44:05,526 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:05,526 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,526 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,526 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:05,526 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:05,526 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:05,531 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,531 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,532 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:05,532 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:44:05,532 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,532 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,532 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:05,538 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:44:05,538 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:44:05,569 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,569 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-14 03:44:05,570 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,571 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:05,571 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:44:05,571 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:05,571 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,571 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,571 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:44:05,576 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:44:05,576 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:05,578 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,579 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,579 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:05,579 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:44:05,579 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:05,579 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,579 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,580 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:44:05,583 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:44:05,583 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:05,585 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,586 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:05,589 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:05,589 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:44:05,589 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:05,589 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:05,589 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:44:05,595 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-14 03:44:05,596 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-14 03:44:05,685 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:05,686 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-01-14 03:44:05,686 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2019-01-14 03:44:05,686 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2019-01-14 03:44:05,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:44:05,688 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 2 times [2019-01-14 03:44:05,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:44:05,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:44:05,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:44:05,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:44:05,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:44:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:44:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:44:05,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:44:05,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 2 times [2019-01-14 03:44:05,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:44:05,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:44:05,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:44:05,703 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 03:44:05,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:44:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:44:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:44:05,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:44:05,710 INFO L82 PathProgramCache]: Analyzing trace with hash 29862436, now seen corresponding path program 3 times [2019-01-14 03:44:05,710 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:44:05,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:44:05,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:44:05,711 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 03:44:05,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:44:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:44:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:44:05,859 WARN L181 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-14 03:44:06,001 WARN L181 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-14 03:44:06,011 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:44:06,011 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:44:06,012 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:44:06,012 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:44:06,012 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:44:06,012 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:44:06,012 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:44:06,012 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:44:06,012 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Loop [2019-01-14 03:44:06,012 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:44:06,012 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:44:06,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:44:06,167 WARN L181 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-14 03:44:06,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:44:06,429 WARN L181 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-01-14 03:44:06,467 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:44:06,467 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-14 03:44:06,478 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:44:06,478 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 03:44:06,638 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:44:06,638 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:44:18,898 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-14 03:44:18,918 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:44:18,919 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:44:18,919 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:44:18,919 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:44:18,919 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:44:18,919 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:44:18,919 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:44:18,919 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:44:18,919 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Loop [2019-01-14 03:44:18,919 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:44:18,919 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:44:18,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:44:18,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:44:19,145 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:44:19,145 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:44:19,145 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:19,146 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:19,146 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,146 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,146 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,147 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:44:19,147 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:44:19,147 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,151 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,151 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:19,151 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:19,152 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,153 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,153 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,154 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:44:19,154 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:44:19,154 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,158 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,158 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 03:44:19,158 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 [2019-01-14 03:44:19,159 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:19,159 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,159 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,159 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,159 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:44:19,160 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:44:19,160 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,163 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,164 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:19,164 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:19,164 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,164 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,164 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,164 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:44:19,167 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:44:19,167 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,171 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,171 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-14 03:44:19,171 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 [2019-01-14 03:44:19,172 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:19,172 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,172 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,172 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,172 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:19,172 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:19,173 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,173 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,173 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:19,174 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:19,178 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,179 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,179 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,179 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:19,181 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:19,181 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,186 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,186 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-14 03:44:19,186 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:19,187 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:19,189 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,189 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,189 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,189 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:44:19,189 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:44:19,190 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,191 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,192 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:19,192 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:19,192 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,193 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,195 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,195 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:44:19,196 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:44:19,197 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,202 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,202 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-14 03:44:19,202 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:19,203 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:19,205 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:44:19,205 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,205 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,205 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,205 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:44:19,206 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:44:19,207 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,208 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,209 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:19,209 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:19,209 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:44:19,209 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,209 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,210 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,212 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:44:19,213 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:44:19,214 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,225 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,226 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-14 03:44:19,226 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:19,226 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:19,227 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:44:19,227 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,227 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,227 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,227 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:19,232 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:19,232 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,233 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,234 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:19,234 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:19,234 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:44:19,235 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,237 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,237 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,238 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:19,241 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:19,241 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,264 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,265 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-14 03:44:19,265 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 [2019-01-14 03:44:19,266 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:19,266 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:44:19,266 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,266 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,266 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,266 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:44:19,270 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:44:19,270 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,271 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,271 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:19,274 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:19,274 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:44:19,274 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,274 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,274 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,275 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:44:19,279 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:44:19,279 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,325 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,326 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-14 03:44:19,326 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:19,327 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:19,327 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:44:19,327 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,327 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,328 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,330 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:19,331 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:19,331 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,332 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,334 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:19,336 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:19,336 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:44:19,336 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,337 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,337 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,337 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:19,340 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:19,341 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,349 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,350 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-14 03:44:19,350 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:19,351 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:19,353 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:44:19,353 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,353 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,353 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,353 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:44:19,355 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:44:19,355 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,358 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,359 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:19,360 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:19,360 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:44:19,360 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:19,360 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:19,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:19,360 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:44:19,363 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:44:19,366 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:19,386 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:19,691 WARN L181 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 14 [2019-01-14 03:44:19,808 WARN L181 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-14 03:44:19,822 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:44:19,822 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:44:19,822 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:44:19,822 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:44:19,822 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:44:19,822 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:44:19,822 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:44:19,822 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:44:19,822 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Lasso [2019-01-14 03:44:19,823 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:44:19,825 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:44:19,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:44:19,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:44:19,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:44:20,015 WARN L181 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-01-14 03:44:20,088 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:44:20,089 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 03:44:20,093 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:44:20,093 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 03:44:20,132 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:44:20,132 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:44:32,372 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-14 03:44:32,394 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:44:32,394 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:44:32,394 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:44:32,394 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:44:32,394 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:44:32,394 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:44:32,395 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:44:32,395 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:44:32,395 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_false-unreach-call1_true-termination.i_Iteration1_Lasso [2019-01-14 03:44:32,395 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:44:32,395 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:44:32,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:44:32,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:44:32,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:44:32,653 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:44:32,653 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:44:32,655 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:32,656 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:32,656 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:32,656 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:32,656 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:32,656 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:44:32,656 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:44:32,657 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:32,658 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:32,659 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:32,659 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:32,659 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:32,659 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:32,659 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:44:32,663 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:44:32,663 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 03:44:32,678 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:32,679 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:32,679 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:32,679 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:32,679 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:32,679 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:32,680 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:44:32,680 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:44:32,680 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:32,680 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:32,680 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 03:44:32,681 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:32,681 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:32,681 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:32,681 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:32,681 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:32,681 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:44:32,689 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:44:32,689 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:32,689 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:32,691 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:32,691 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:32,691 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:32,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:32,692 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:44:32,696 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 03:44:32,696 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 03:44:32,715 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:32,716 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:32,716 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:32,716 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:32,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:32,717 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:32,717 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:44:32,717 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:44:32,717 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:32,718 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:32,722 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-14 03:44:32,722 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:32,723 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:32,723 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:32,723 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:32,723 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:32,723 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:32,723 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:32,724 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:32,724 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:32,724 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:32,725 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:32,731 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:32,731 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:32,731 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:32,734 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:44:32,734 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:44:32,761 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:32,762 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:32,762 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:32,762 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:32,762 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:32,762 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:32,763 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:32,766 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:32,766 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:32,767 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:32,767 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-14 03:44:32,767 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:32,767 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:32,768 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:32,771 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:32,771 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:32,771 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:44:32,771 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:44:32,772 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:32,772 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:32,772 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:32,773 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:32,776 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:32,776 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:32,776 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:44:32,779 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-14 03:44:32,780 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-14 03:44:32,815 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:32,816 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 [2019-01-14 03:44:32,816 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:44:32,817 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:32,817 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:32,817 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:32,817 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:44:32,817 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:44:32,817 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:32,821 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:32,821 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-14 03:44:32,822 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:32,822 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:32,822 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:44:32,822 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:32,823 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:32,826 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:32,826 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:44:32,826 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:44:32,826 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:32,827 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:32,827 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:32,831 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:32,831 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:44:32,831 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:32,832 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:32,832 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:44:32,839 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 03:44:32,839 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 03:44:33,052 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:33,054 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:33,056 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:33,059 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:44:33,059 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:33,059 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:33,059 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:33,059 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:44:33,061 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:44:33,061 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:33,062 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:33,063 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-14 03:44:33,063 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:33,063 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:33,067 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:44:33,067 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:33,067 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:33,067 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:33,067 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:33,068 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:33,068 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:33,069 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:33,072 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:33,072 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:33,073 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:44:33,073 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:33,073 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:33,073 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:33,082 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:44:33,082 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:44:33,650 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:33,650 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:33,651 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:33,651 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:44:33,652 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:33,652 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:33,652 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:33,652 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:33,658 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:33,658 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:33,667 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:33,667 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-14 03:44:33,668 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:33,668 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:33,668 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:44:33,668 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:33,675 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:33,676 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:33,676 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:44:33,678 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:44:33,678 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:33,678 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:33,679 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:33,679 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:33,679 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:44:33,679 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:33,679 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:33,680 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:44:33,689 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-14 03:44:33,689 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-14 03:44:34,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:34,873 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:34,873 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:34,873 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:44:34,873 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:34,874 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:34,874 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:34,874 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:44:34,875 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:44:34,875 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:34,876 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:34,876 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-14 03:44:34,876 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:34,876 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:34,877 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:44:34,877 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:34,877 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:34,877 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:34,877 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:34,877 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:34,877 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:34,878 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:34,879 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:34,879 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:34,879 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:44:34,879 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:34,879 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:34,879 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:34,882 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:44:34,883 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:44:35,007 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:35,007 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:35,008 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:35,008 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:44:35,008 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:35,008 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:35,008 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:35,008 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:44:35,012 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:44:35,013 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:35,014 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:35,014 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-14 03:44:35,014 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:35,014 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:35,015 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:44:35,018 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:35,018 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:35,018 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:35,018 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:44:35,019 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:44:35,019 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:35,023 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:35,023 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:35,023 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:35,024 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:44:35,026 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:35,026 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:35,026 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:44:35,032 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-14 03:44:35,032 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-14 03:44:35,396 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:35,399 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:44:35,399 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:44:35,400 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:44:35,400 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:44:35,400 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:44:35,400 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:44:35,400 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:44:35,401 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:44:35,401 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:44:35,408 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:44:35,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 03:44:35 BoogieIcfgContainer [2019-01-14 03:44:35,415 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 03:44:35,415 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 03:44:35,415 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 03:44:35,415 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 03:44:35,416 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:43:36" (3/4) ... [2019-01-14 03:44:35,421 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 03:44:35,423 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 03:44:35,423 INFO L168 Benchmark]: Toolchain (without parser) took 59275.68 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 383.8 MB). Free memory was 952.7 MB in the beginning and 1.2 GB in the end (delta: -211.1 MB). Peak memory consumption was 172.7 MB. Max. memory is 11.5 GB. [2019-01-14 03:44:35,426 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:44:35,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.66 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 03:44:35,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.07 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:44:35,429 INFO L168 Benchmark]: Boogie Preprocessor took 36.03 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:44:35,431 INFO L168 Benchmark]: RCFGBuilder took 299.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-01-14 03:44:35,433 INFO L168 Benchmark]: BuchiAutomizer took 58573.72 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 263.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -73.6 MB). Peak memory consumption was 459.7 MB. Max. memory is 11.5 GB. [2019-01-14 03:44:35,434 INFO L168 Benchmark]: Witness Printer took 7.39 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:44:35,441 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.66 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 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 41.07 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.03 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 299.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 58573.72 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 263.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -73.6 MB). Peak memory consumption was 459.7 MB. Max. memory is 11.5 GB. * Witness Printer took 7.39 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 58.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 58.4s. 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: inital28 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div248 bol100 ite100 ukn100 eq163 hnf60 smp95 dnf100 smp100 tf101 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 373ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.7s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0;" "assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z;" "main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0;" Loop: "assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z;" "main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...