./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loop-acceleration/simple_false-unreach-call3_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e 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/simple_false-unreach-call3_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 9bb3ecce8212cfd5509d99ad6349aec861975be9 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:42:57,835 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:42:57,839 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:42:57,859 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:42:57,860 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:42:57,863 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:42:57,865 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:42:57,868 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:42:57,872 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:42:57,873 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:42:57,876 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:42:57,877 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:42:57,879 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:42:57,881 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:42:57,890 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:42:57,891 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:42:57,893 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:42:57,894 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:42:57,899 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:42:57,901 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:42:57,902 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:42:57,903 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:42:57,905 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:42:57,905 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:42:57,905 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:42:57,906 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:42:57,907 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:42:57,907 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:42:57,908 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:42:57,909 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:42:57,909 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:42:57,910 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:42:57,910 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:42:57,910 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:42:57,911 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:42:57,912 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:42:57,912 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:42:57,935 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:42:57,936 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:42:57,938 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:42:57,939 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:42:57,939 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:42:57,939 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:42:57,940 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:42:57,940 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:42:57,941 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:42:57,941 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:42:57,941 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:42:57,941 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:42:57,941 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:42:57,941 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:42:57,942 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:42:57,943 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:42:57,943 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:42:57,943 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:42:57,943 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:42:57,943 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:42:57,943 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:42:57,943 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:42:57,944 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:42:57,944 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:42:57,944 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:42:57,944 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:42:57,944 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:42:57,944 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:42:57,947 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:42:57,948 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:42:57,948 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:42:57,949 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:42:57,950 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 -> 9bb3ecce8212cfd5509d99ad6349aec861975be9 [2018-11-28 23:42:58,009 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:42:58,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:42:58,030 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:42:58,032 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:42:58,033 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:42:58,033 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-acceleration/simple_false-unreach-call3_true-termination.i [2018-11-28 23:42:58,102 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28c428224/5a5ab7f9a8394d089bd6e3bc200f7415/FLAGccc8a78df [2018-11-28 23:42:58,505 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:42:58,506 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-acceleration/simple_false-unreach-call3_true-termination.i [2018-11-28 23:42:58,512 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28c428224/5a5ab7f9a8394d089bd6e3bc200f7415/FLAGccc8a78df [2018-11-28 23:42:58,869 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28c428224/5a5ab7f9a8394d089bd6e3bc200f7415 [2018-11-28 23:42:58,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:42:58,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:42:58,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:42:58,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:42:58,878 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:42:58,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:42:58" (1/1) ... [2018-11-28 23:42:58,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@358d781b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:58, skipping insertion in model container [2018-11-28 23:42:58,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:42:58" (1/1) ... [2018-11-28 23:42:58,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:42:58,910 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:42:59,144 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:42:59,153 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:42:59,173 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:42:59,192 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:42:59,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:59 WrapperNode [2018-11-28 23:42:59,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:42:59,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:42:59,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:42:59,194 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:42:59,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:59" (1/1) ... [2018-11-28 23:42:59,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:59" (1/1) ... [2018-11-28 23:42:59,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:42:59,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:42:59,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:42:59,238 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:42:59,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:59" (1/1) ... [2018-11-28 23:42:59,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:59" (1/1) ... [2018-11-28 23:42:59,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:59" (1/1) ... [2018-11-28 23:42:59,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:59" (1/1) ... [2018-11-28 23:42:59,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:59" (1/1) ... [2018-11-28 23:42:59,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:59" (1/1) ... [2018-11-28 23:42:59,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:59" (1/1) ... [2018-11-28 23:42:59,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:42:59,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:42:59,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:42:59,260 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:42:59,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:59" (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 [2018-11-28 23:42:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:42:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:42:59,579 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:42:59,579 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 23:42:59,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:59 BoogieIcfgContainer [2018-11-28 23:42:59,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:42:59,580 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:42:59,580 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:42:59,583 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:42:59,584 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:42:59,584 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:42:58" (1/3) ... [2018-11-28 23:42:59,585 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7870cd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:42:59, skipping insertion in model container [2018-11-28 23:42:59,586 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:42:59,586 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:59" (2/3) ... [2018-11-28 23:42:59,586 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7870cd66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:42:59, skipping insertion in model container [2018-11-28 23:42:59,586 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:42:59,586 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:59" (3/3) ... [2018-11-28 23:42:59,588 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_false-unreach-call3_true-termination.i [2018-11-28 23:42:59,647 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:42:59,648 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:42:59,648 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:42:59,648 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:42:59,649 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:42:59,649 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:42:59,649 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:42:59,649 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:42:59,649 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:42:59,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 23:42:59,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:42:59,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:42:59,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:42:59,696 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:42:59,696 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:42:59,696 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:42:59,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 23:42:59,698 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:42:59,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:42:59,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:42:59,699 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:42:59,699 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:42:59,708 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0; 9#L11-2true [2018-11-28 23:42:59,709 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 9#L11-2true [2018-11-28 23:42:59,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:59,715 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 23:42:59,718 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:42:59,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:42:59,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:59,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:42:59,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:59,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:59,819 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-28 23:42:59,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:42:59,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:42:59,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:59,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:42:59,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:59,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:59,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-28 23:42:59,838 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:42:59,839 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:42:59,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:59,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:42:59,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:59,927 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:42:59,929 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:42:59,934 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:42:59,934 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:42:59,934 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:42:59,934 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:42:59,935 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:42:59,935 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:42:59,935 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-28 23:42:59,935 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:42:59,941 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:00,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:00,272 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-11-28 23:43:00,396 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-11-28 23:43:00,405 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:00,406 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) [2018-11-28 23:43:00,417 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:00,418 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 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 [2018-11-28 23:43:00,459 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:43:00,459 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:12,544 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 23:43:12,555 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:12,555 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:12,555 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:12,556 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:12,556 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:43:12,556 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:12,556 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:12,556 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:12,556 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-28 23:43:12,556 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:12,557 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:12,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:12,836 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-11-28 23:43:12,915 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:12,921 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:43:12,924 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:12,927 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:12,927 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:12,928 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:12,928 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:12,928 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:12,934 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:12,936 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:12,965 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:12,966 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:43:12,966 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:12,967 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:12,967 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:12,968 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:12,968 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:12,968 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:12,970 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:12,971 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:12,989 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:12,989 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:43:12,990 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:12,991 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:12,991 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:12,991 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:12,992 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:12,992 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:12,995 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:12,995 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:13,027 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:13,028 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:43:13,028 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:13,029 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:13,029 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:13,029 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:13,030 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:13,030 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:13,033 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:13,033 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:13,066 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:13,066 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:43:13,067 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 [2018-11-28 23:43:13,071 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:13,072 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:13,072 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:13,072 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:13,072 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:13,073 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:13,079 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:13,079 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:13,127 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:13,128 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:43:13,128 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:13,131 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:13,131 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:13,131 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:13,131 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:13,132 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:13,132 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:13,143 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:13,145 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:13,232 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:13,235 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:43:13,235 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:13,237 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:13,237 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:13,237 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:13,237 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:13,241 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:13,241 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:13,259 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:13,260 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:13,378 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:13,378 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:43:13,379 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:13,380 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:13,380 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:13,380 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:13,380 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:13,381 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:13,381 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:13,384 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:13,384 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:13,401 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:13,401 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:43:13,401 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:13,402 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:13,402 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:13,403 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:13,403 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:13,403 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:13,403 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:13,408 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:13,409 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:13,447 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:13,510 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:13,510 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:13,510 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:13,510 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:13,510 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:43:13,510 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:13,511 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:13,511 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:13,511 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-28 23:43:13,511 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:13,511 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:13,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:13,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:13,777 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-11-28 23:43:13,833 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:13,833 INFO L412 LassoAnalysis]: Checking for nontermination... 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 [2018-11-28 23:43:13,841 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:13,841 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2018-11-28 23:43:13,886 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:43:13,886 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:25,978 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 23:43:25,989 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:25,989 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:25,990 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:25,990 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:25,990 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:43:25,991 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:25,991 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:25,991 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:25,991 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-28 23:43:25,991 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:25,991 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:25,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:26,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:26,372 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-11-28 23:43:26,395 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:26,396 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:43:26,396 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,397 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:26,397 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,397 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,398 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:26,402 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:26,403 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:43:26,420 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,420 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,421 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:26,421 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:26,421 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,421 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,425 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:26,426 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:26,426 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:26,427 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,427 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:43:26,428 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,428 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:26,429 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,432 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,432 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:26,441 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:43:26,441 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:43:26,455 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,456 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,457 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:26,458 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:26,458 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,458 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,458 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:26,459 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:26,459 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:26,463 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,463 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:43:26,463 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,464 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:26,464 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,464 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,464 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:26,472 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:26,475 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:26,505 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,506 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,508 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:26,508 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:26,508 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,508 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,508 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:26,509 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:26,509 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:26,511 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,511 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:43:26,511 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,512 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:26,512 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,512 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,514 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:26,518 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:43:26,519 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:43:26,540 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,541 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,541 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:26,541 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:26,543 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,543 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,543 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:26,544 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:26,544 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:26,546 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,546 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:43:26,546 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,548 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:26,548 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:26,548 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,548 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,549 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:26,552 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:43:26,552 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:43:26,581 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,582 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,582 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:26,582 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:26,583 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:26,584 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,585 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,585 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:26,585 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:26,586 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:26,587 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,587 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:43:26,589 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,592 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:26,592 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:26,592 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,592 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,592 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:26,600 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:26,603 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:26,664 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,665 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,666 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:26,666 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:26,666 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:26,668 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,669 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,669 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:26,670 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:26,670 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:26,672 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,672 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:43:26,674 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,675 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:26,676 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:26,676 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,676 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,677 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:26,683 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:43:26,684 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:43:26,779 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,780 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,781 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:26,781 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:26,781 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:26,781 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,781 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,783 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:26,785 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:26,785 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:26,786 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,786 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:43:26,786 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,788 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:26,788 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:26,788 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,789 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,789 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:26,793 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:26,794 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:26,826 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,826 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,827 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:26,827 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:26,827 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:26,829 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,830 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:26,830 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:26,830 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:26,833 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,833 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:43:26,833 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,834 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:26,834 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:26,834 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,835 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:26,842 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:43:26,842 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:43:26,935 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,936 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:26,937 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:26,937 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:26,937 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:26,937 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:26,937 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:26,938 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:26,938 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:26,938 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:26,943 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:26,944 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-28 23:43:26,946 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0; 9#L11-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 9#L11-2true [2018-11-28 23:43:26,946 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 9#L11-2true [2018-11-28 23:43:26,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:26,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-11-28 23:43:26,946 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:26,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:26,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:26,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:43:26,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:26,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:26,967 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-11-28 23:43:26,967 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:26,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:26,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:26,968 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:43:26,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:26,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:26,981 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-11-28 23:43:26,982 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:26,982 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:26,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:26,984 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:43:26,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:27,172 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:27,172 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:27,173 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:27,173 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:27,173 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:43:27,173 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:27,173 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:27,173 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:27,173 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-28 23:43:27,173 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:27,175 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:27,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:27,768 WARN L180 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-11-28 23:43:28,024 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-11-28 23:43:28,025 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:28,025 INFO L412 LassoAnalysis]: Checking for nontermination... 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) [2018-11-28 23:43:28,039 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:28,039 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:28,088 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:43:28,088 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:40,185 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 23:43:40,196 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:40,196 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:40,196 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:40,196 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:40,196 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:43:40,196 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:40,196 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:40,196 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:40,197 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-28 23:43:40,199 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:40,199 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:40,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:40,361 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-11-28 23:43:40,389 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:40,389 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:43:40,391 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:40,392 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:40,392 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:40,392 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:40,392 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:40,392 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:40,396 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:40,396 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:40,400 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:40,401 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:43:40,401 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:40,401 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:40,402 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:40,402 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:40,402 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:40,402 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:40,405 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:40,405 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:40,409 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:40,410 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:43:40,410 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:40,418 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:40,418 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:40,418 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:40,418 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:40,418 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:40,419 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:40,419 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:40,426 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:40,426 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:43:40,426 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:40,427 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:40,427 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:40,429 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:40,430 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:40,430 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:40,432 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:40,432 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:40,438 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:40,439 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:43:40,439 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:40,441 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:40,442 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:40,442 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:40,442 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:40,442 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:40,442 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:40,443 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:40,446 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:40,457 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:40,460 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:43:40,461 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:40,462 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:40,464 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:40,464 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:40,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:40,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:40,465 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:40,466 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:40,474 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:40,492 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:40,493 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:43:40,494 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:40,495 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:40,495 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:40,495 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:40,495 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:40,495 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:40,496 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:40,503 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:40,503 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:40,538 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:40,539 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:43:40,539 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:40,540 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:40,540 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:40,540 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:40,543 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:40,543 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:40,544 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:40,545 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:40,545 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:40,553 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:40,554 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:43:40,554 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:40,556 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:40,557 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:40,557 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:40,557 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:40,557 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:40,557 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:40,561 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:40,561 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:40,583 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:40,760 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:40,760 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:40,760 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:40,760 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:40,760 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:43:40,761 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:40,761 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:40,761 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:40,761 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-28 23:43:40,761 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:40,761 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:40,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:40,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:40,974 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-11-28 23:43:41,111 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:41,112 INFO L412 LassoAnalysis]: Checking for nontermination... 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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:41,116 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:41,116 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:41,129 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:43:41,130 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:41,155 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:41,155 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2018-11-28 23:43:41,184 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:43:41,184 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:53,271 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 23:43:53,280 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:53,281 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:53,281 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:53,281 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:53,281 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:43:53,281 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:53,281 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:53,281 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:53,281 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-28 23:43:53,281 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:53,282 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:53,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:53,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:53,499 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-11-28 23:43:53,705 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-11-28 23:43:53,731 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:53,731 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:43:53,731 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:53,734 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:53,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:53,734 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:53,735 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:53,736 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:53,736 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:43:53,746 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:53,747 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:53,747 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:53,747 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:53,748 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:53,748 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:53,748 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:53,748 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:53,748 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:53,749 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:53,749 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:43:53,749 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:53,749 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:53,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:53,750 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:53,750 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:53,752 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:43:53,753 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:43:53,773 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:53,773 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:53,774 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:53,774 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:53,774 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:53,774 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:53,774 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:53,775 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:53,775 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:53,775 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:53,775 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:43:53,776 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:53,776 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:53,776 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:53,776 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:53,776 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:53,779 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:53,779 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:53,798 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:53,799 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:53,799 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:53,799 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:53,800 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:53,800 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:53,800 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:53,800 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:53,800 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:53,801 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:53,801 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:43:53,801 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:53,802 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:53,802 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:53,802 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:53,802 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:53,808 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:43:53,808 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:43:53,831 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:53,832 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:53,832 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:53,832 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:53,833 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:53,833 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:53,833 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:53,833 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:53,833 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:53,834 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:53,834 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:43:53,834 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:53,835 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:53,835 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:53,835 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:53,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:53,835 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:53,837 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:43:53,838 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:43:53,876 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:53,876 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:53,877 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:53,877 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:53,877 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:53,877 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:53,877 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:53,878 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:53,878 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:53,879 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:53,879 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:53,879 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:43:53,879 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 [2018-11-28 23:43:53,880 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:53,880 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:53,880 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:53,880 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:53,880 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:53,884 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:53,884 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:53,961 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:53,962 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:53,962 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:53,963 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:53,963 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:53,963 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:53,963 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:53,963 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:53,964 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:53,964 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:53,965 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:53,965 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:43:53,965 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:53,966 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:53,966 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:53,966 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:53,966 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:53,966 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:53,970 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:43:53,970 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:43:54,095 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:54,096 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:54,096 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:54,097 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:54,097 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:54,097 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:54,097 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:54,097 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:54,098 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:54,098 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:54,099 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:54,099 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:43:54,099 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:54,100 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:54,100 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:54,100 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:54,100 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:54,100 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:54,102 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:54,103 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:54,147 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:54,147 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:54,148 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:54,148 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:54,148 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:54,148 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:54,148 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:54,148 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:54,149 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:54,152 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:54,153 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:54,154 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:43:54,155 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:54,156 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:54,156 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:54,156 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:54,156 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:54,156 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:54,162 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:43:54,162 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:43:54,266 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:54,266 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:54,267 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:54,267 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:54,267 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:54,267 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:54,267 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:54,270 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:54,271 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:54,271 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:54,273 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:54,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:43:54 BoogieIcfgContainer [2018-11-28 23:43:54,282 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:43:54,283 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:43:54,283 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:43:54,283 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:43:54,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:59" (3/4) ... [2018-11-28 23:43:54,289 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:43:54,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:43:54,291 INFO L168 Benchmark]: Toolchain (without parser) took 55418.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.9 MB). Free memory was 952.7 MB in the beginning and 983.1 MB in the end (delta: -30.4 MB). Peak memory consumption was 182.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:43:54,293 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-28 23:43:54,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.63 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:43:54,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.03 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:43:54,294 INFO L168 Benchmark]: Boogie Preprocessor took 21.78 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:43:54,296 INFO L168 Benchmark]: RCFGBuilder took 319.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:43:54,297 INFO L168 Benchmark]: BuchiAutomizer took 54701.97 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.5 MB). Free memory was 1.1 GB in the beginning and 983.1 MB in the end (delta: 123.7 MB). Peak memory consumption was 316.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:43:54,299 INFO L168 Benchmark]: Witness Printer took 7.32 ms. Allocated memory is still 1.2 GB. Free memory is still 983.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:43:54,305 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 318.63 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 44.03 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.78 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 319.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 54701.97 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.5 MB). Free memory was 1.1 GB in the beginning and 983.1 MB in the end (delta: 123.7 MB). Peak memory consumption was 316.3 MB. Max. memory is 11.5 GB. * Witness Printer took 7.32 ms. Allocated memory is still 1.2 GB. Free memory is still 983.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 54.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 54.5s. 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: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div644 bol100 ite100 ukn100 eq141 hnf42 smp89 dnf100 smp100 tf102 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 111ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0;" "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" Loop: "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...