./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 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/loop-acceleration/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 0.1.24-0ed9222-m [2019-01-14 03:45:40,676 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 03:45:40,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 03:45:40,697 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 03:45:40,697 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 03:45:40,699 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 03:45:40,702 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 03:45:40,705 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 03:45:40,706 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 03:45:40,708 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 03:45:40,709 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 03:45:40,709 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 03:45:40,710 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 03:45:40,711 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 03:45:40,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 03:45:40,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 03:45:40,715 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 03:45:40,717 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 03:45:40,719 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 03:45:40,721 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 03:45:40,722 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 03:45:40,724 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 03:45:40,727 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 03:45:40,727 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 03:45:40,727 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 03:45:40,728 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 03:45:40,730 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 03:45:40,731 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 03:45:40,732 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 03:45:40,733 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 03:45:40,734 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 03:45:40,734 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 03:45:40,735 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 03:45:40,735 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 03:45:40,736 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 03:45:40,737 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 03:45:40,737 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 03:45:40,756 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 03:45:40,756 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 03:45:40,759 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 03:45:40,759 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 03:45:40,759 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 03:45:40,759 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 03:45:40,759 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 03:45:40,760 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 03:45:40,760 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 03:45:40,760 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 03:45:40,760 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 03:45:40,760 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 03:45:40,761 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 03:45:40,762 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 03:45:40,762 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 03:45:40,763 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 03:45:40,764 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 03:45:40,764 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 03:45:40,764 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 03:45:40,764 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 03:45:40,764 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 03:45:40,765 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 03:45:40,765 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 03:45:40,765 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 03:45:40,765 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 03:45:40,765 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 03:45:40,766 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 03:45:40,767 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 03:45:40,767 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 03:45:40,767 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 03:45:40,767 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 03:45:40,768 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 03:45:40,770 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 [2019-01-14 03:45:40,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 03:45:40,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 03:45:40,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 03:45:40,857 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 03:45:40,858 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 03:45:40,859 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-acceleration/simple_false-unreach-call3_true-termination.i [2019-01-14 03:45:40,931 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b513a8252/ab0564853abe4882a204481d9cc7014d/FLAG55359f6ac [2019-01-14 03:45:41,409 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 03:45:41,410 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-acceleration/simple_false-unreach-call3_true-termination.i [2019-01-14 03:45:41,418 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b513a8252/ab0564853abe4882a204481d9cc7014d/FLAG55359f6ac [2019-01-14 03:45:41,779 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b513a8252/ab0564853abe4882a204481d9cc7014d [2019-01-14 03:45:41,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 03:45:41,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 03:45:41,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 03:45:41,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 03:45:41,790 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 03:45:41,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:45:41" (1/1) ... [2019-01-14 03:45:41,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2359d8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:45:41, skipping insertion in model container [2019-01-14 03:45:41,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:45:41" (1/1) ... [2019-01-14 03:45:41,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 03:45:41,822 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 03:45:42,070 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:45:42,079 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 03:45:42,096 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:45:42,114 INFO L195 MainTranslator]: Completed translation [2019-01-14 03:45:42,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:45:42 WrapperNode [2019-01-14 03:45:42,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 03:45:42,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 03:45:42,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 03:45:42,117 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 03:45:42,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:45:42" (1/1) ... [2019-01-14 03:45:42,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:45:42" (1/1) ... [2019-01-14 03:45:42,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 03:45:42,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 03:45:42,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 03:45:42,159 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 03:45:42,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:45:42" (1/1) ... [2019-01-14 03:45:42,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:45:42" (1/1) ... [2019-01-14 03:45:42,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:45:42" (1/1) ... [2019-01-14 03:45:42,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:45:42" (1/1) ... [2019-01-14 03:45:42,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:45:42" (1/1) ... [2019-01-14 03:45:42,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:45:42" (1/1) ... [2019-01-14 03:45:42,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:45:42" (1/1) ... [2019-01-14 03:45:42,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 03:45:42,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 03:45:42,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 03:45:42,196 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 03:45:42,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:45:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:45:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 03:45:42,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 03:45:42,522 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 03:45:42,522 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-14 03:45:42,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:45:42 BoogieIcfgContainer [2019-01-14 03:45:42,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 03:45:42,525 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 03:45:42,528 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 03:45:42,532 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 03:45:42,533 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:45:42,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 03:45:41" (1/3) ... [2019-01-14 03:45:42,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b862879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:45:42, skipping insertion in model container [2019-01-14 03:45:42,535 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:45:42,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:45:42" (2/3) ... [2019-01-14 03:45:42,536 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b862879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:45:42, skipping insertion in model container [2019-01-14 03:45:42,536 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:45:42,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:45:42" (3/3) ... [2019-01-14 03:45:42,538 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_false-unreach-call3_true-termination.i [2019-01-14 03:45:42,602 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 03:45:42,603 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 03:45:42,603 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 03:45:42,603 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 03:45:42,604 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 03:45:42,604 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 03:45:42,604 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 03:45:42,604 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 03:45:42,604 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 03:45:42,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-14 03:45:42,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 03:45:42,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:45:42,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:45:42,656 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 03:45:42,656 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 03:45:42,657 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 03:45:42,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-14 03:45:42,658 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 03:45:42,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:45:42,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:45:42,660 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 03:45:42,660 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 03:45:42,668 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0; 9#L11-2true [2019-01-14 03:45:42,668 INFO L796 eck$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 [2019-01-14 03:45:42,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:45:42,675 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-14 03:45:42,678 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:45:42,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:45:42,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:45:42,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:45:42,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:45:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:45:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:45:42,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:45:42,788 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-01-14 03:45:42,789 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:45:42,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:45:42,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:45:42,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:45:42,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:45:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:45:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:45:42,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:45:42,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-01-14 03:45:42,825 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:45:42,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:45:42,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:45:42,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:45:42,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:45:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:45:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:45:42,948 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:45:42,949 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:45:42,949 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:45:42,949 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:45:42,950 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:45:42,956 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:45:42,956 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:45:42,956 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:45:42,956 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2019-01-14 03:45:42,957 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:45:42,957 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:45:43,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:45:43,303 WARN L181 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-14 03:45:43,411 WARN L181 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2019-01-14 03:45:43,418 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:45:43,419 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:45:43,433 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:45:43,433 INFO L163 nArgumentSynthesizer]: Using integer mode. 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) [2019-01-14 03:45:43,480 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:45:43,481 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:45:55,621 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-14 03:45:55,630 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:45:55,630 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:45:55,630 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:45:55,631 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:45:55,631 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:45:55,631 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:45:55,631 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:45:55,631 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:45:55,631 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2019-01-14 03:45:55,631 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:45:55,632 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:45:55,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:45:55,761 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-14 03:45:55,810 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:45:55,816 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:45:55,818 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:45:55,819 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:45:55,819 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:45:55,820 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:45:55,821 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:45:55,821 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:45:55,824 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:45:55,824 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:45:55,843 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:45:55,843 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 03:45:55,844 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:45:55,845 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:45:55,845 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:45:55,845 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:45:55,846 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:45:55,846 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:45:55,848 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:45:55,848 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:45:55,874 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:45:55,879 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-14 03:45:55,879 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:45:55,880 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:45:55,881 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:45:55,883 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:45:55,883 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:45:55,883 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:45:55,890 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:45:55,891 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:45:55,921 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:45:55,921 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-14 03:45:55,922 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:45:55,923 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:45:55,924 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:45:55,924 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:45:55,924 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:45:55,925 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:45:55,928 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:45:55,929 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:45:55,954 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:45:55,955 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-14 03:45:55,955 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:45:55,958 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:45:55,958 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:45:55,958 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:45:55,959 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:45:55,959 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:45:55,959 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:45:55,964 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:45:55,965 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:45:56,074 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:45:56,077 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-14 03:45:56,077 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:45:56,082 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:45:56,082 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:45:56,082 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:45:56,083 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:45:56,083 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:45:56,083 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:45:56,095 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:45:56,098 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:45:56,202 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:45:56,204 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-14 03:45:56,205 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:45:56,206 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:45:56,210 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:45:56,210 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:45:56,210 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:45:56,211 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:45:56,211 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:45:56,226 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:45:56,227 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:45:56,327 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:45:56,328 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-14 03:45:56,328 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:45:56,330 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:45:56,331 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:45:56,331 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:45:56,332 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:45:56,333 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:45:56,334 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:45:56,336 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:45:56,336 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:45:56,351 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:45:56,351 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-14 03:45:56,351 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:45:56,352 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:45:56,352 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:45:56,353 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:45:56,353 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:45:56,353 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:45:56,353 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:45:56,357 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:45:56,358 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:45:56,389 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:45:56,464 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:45:56,464 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:45:56,464 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:45:56,464 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:45:56,464 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:45:56,465 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:45:56,465 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:45:56,466 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:45:56,466 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2019-01-14 03:45:56,466 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:45:56,466 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:45:56,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:45:56,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:45:56,756 WARN L181 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-14 03:45:56,802 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:45:56,802 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 [2019-01-14 03:45:56,811 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:45:56,811 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 [2019-01-14 03:45:56,838 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:45:56,838 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:46:08,934 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-14 03:46:08,942 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:08,943 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:08,943 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:08,943 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:08,943 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:46:08,943 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:08,944 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:08,944 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:08,944 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2019-01-14 03:46:08,944 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:08,944 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:08,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:46:08,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:46:09,158 WARN L181 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-14 03:46:09,397 WARN L181 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2019-01-14 03:46:09,423 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:09,423 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:46:09,424 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:09,424 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:09,425 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,425 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,425 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:09,428 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:09,428 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 03:46:09,441 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:09,441 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:09,442 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:09,442 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:09,442 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,443 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,445 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:09,445 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:46:09,446 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:09,447 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:09,447 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 03:46:09,448 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:09,448 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:09,449 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,449 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,449 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:09,455 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 03:46:09,455 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 03:46:09,488 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:09,488 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:09,491 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:09,491 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:09,492 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,492 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,492 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:09,493 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:09,493 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:09,501 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:09,501 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-14 03:46:09,502 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:09,502 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:09,502 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,503 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,503 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:09,511 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:46:09,511 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:46:09,538 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:09,539 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 [2019-01-14 03:46:09,539 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:09,539 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:09,540 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,541 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,542 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:09,543 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:09,544 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:09,544 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:09,544 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-14 03:46:09,546 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 [2019-01-14 03:46:09,546 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:09,546 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,547 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,547 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:09,552 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-14 03:46:09,552 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-14 03:46:09,575 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:09,576 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:09,578 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:09,578 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:09,578 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,578 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,579 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:09,579 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:09,579 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:09,582 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:09,582 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-14 03:46:09,583 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:09,583 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:09,584 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:09,584 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,584 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,584 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:09,589 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 03:46:09,590 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 03:46:09,621 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:09,622 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:09,623 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:09,623 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:09,623 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:09,623 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,624 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,624 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:09,624 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:09,625 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:09,631 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:09,631 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-14 03:46:09,632 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:09,632 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:09,632 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:46:09,639 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,639 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,639 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:09,646 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:46:09,648 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:46:09,729 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:09,730 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:09,731 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:09,731 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:46:09,731 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:09,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,734 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,734 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:09,735 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:09,736 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:09,740 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:09,740 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-14 03:46:09,740 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:09,741 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:09,741 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:09,744 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,744 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,745 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:09,757 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-14 03:46:09,758 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-14 03:46:09,883 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:09,885 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:09,886 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:09,886 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:09,886 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:09,888 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,889 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,889 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:09,891 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:09,891 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:09,892 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:09,892 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-14 03:46:09,894 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:09,896 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:09,896 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:09,897 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,897 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,897 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:09,912 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:46:09,912 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:46:09,976 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:09,978 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:09,979 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:09,979 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:09,979 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:09,980 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,980 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,980 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:09,986 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:09,987 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:09,989 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:09,990 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-14 03:46:09,990 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 [2019-01-14 03:46:09,991 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:09,991 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:09,991 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:09,991 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:09,991 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:46:10,006 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-14 03:46:10,007 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-14 03:46:10,112 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:10,112 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:10,113 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:10,114 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:10,116 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:10,116 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:10,116 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:10,117 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:46:10,117 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:10,118 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:10,125 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:10,126 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-01-14 03:46:10,126 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~x~0, main_~N~0;main_~x~0 := 0;havoc main_~N~0; 9#L11-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 9#L11-2true [2019-01-14 03:46:10,126 INFO L796 eck$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 [2019-01-14 03:46:10,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:46:10,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-01-14 03:46:10,128 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:46:10,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:46:10,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:10,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:46:10,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:10,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:46:10,146 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-01-14 03:46:10,146 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:46:10,146 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:46:10,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:10,147 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 03:46:10,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:10,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:46:10,158 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-01-14 03:46:10,158 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:46:10,158 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:46:10,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:10,161 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 03:46:10,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:10,347 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:10,347 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:10,348 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:10,348 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:10,348 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:46:10,348 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:10,348 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:10,348 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:10,348 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2019-01-14 03:46:10,349 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:10,351 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:10,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:46:10,979 WARN L181 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-14 03:46:11,229 WARN L181 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2019-01-14 03:46:11,230 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:11,230 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) [2019-01-14 03:46:11,244 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:46:11,244 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) [2019-01-14 03:46:11,297 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:46:11,297 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:23,397 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-14 03:46:23,405 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:23,405 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:23,405 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:23,405 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:23,405 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:46:23,406 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:23,406 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:23,406 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:23,406 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Loop [2019-01-14 03:46:23,406 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:23,406 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:23,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:46:23,588 WARN L181 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-14 03:46:23,615 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:23,616 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:46:23,617 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:23,618 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:23,619 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:23,619 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:23,619 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:23,620 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:23,622 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:46:23,623 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:23,627 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:23,627 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 03:46:23,627 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:23,630 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:23,630 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:23,630 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:23,630 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:23,631 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:23,631 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:23,632 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:23,637 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:23,637 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-14 03:46:23,638 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:23,638 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:23,638 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:23,638 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:23,641 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:23,641 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:23,642 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:23,643 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:23,648 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:23,648 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-14 03:46:23,649 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:23,649 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:23,649 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:23,650 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:23,652 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:23,652 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:23,654 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:23,654 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:23,661 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:23,661 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-14 03:46:23,662 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:23,662 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:23,662 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:23,663 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:23,665 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:23,665 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:23,665 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:23,667 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:23,667 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:23,680 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:23,681 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-14 03:46:23,682 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:23,682 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:23,682 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:46:23,683 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:23,685 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:23,685 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:23,685 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:23,688 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:23,689 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:23,709 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:23,710 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-14 03:46:23,710 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:23,711 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:23,711 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:23,711 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:23,714 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:23,715 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:23,715 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:23,719 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:23,719 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:23,768 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:23,773 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-14 03:46:23,773 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 [2019-01-14 03:46:23,774 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:23,774 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:23,777 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:23,778 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:23,778 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:23,779 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:23,781 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:23,781 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:23,790 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:23,790 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-14 03:46:23,791 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:23,794 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:23,795 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:23,796 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:23,796 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:23,796 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:23,796 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:46:23,801 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:23,801 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:23,840 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:23,941 WARN L181 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-14 03:46:24,035 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:24,036 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:24,036 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:24,036 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:24,036 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:46:24,036 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:24,037 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:24,039 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:24,039 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2019-01-14 03:46:24,039 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:24,039 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:24,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:46:24,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:46:24,403 WARN L181 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-14 03:46:24,441 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:24,442 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) [2019-01-14 03:46:24,455 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:46:24,455 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:24,470 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 03:46:24,470 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 [2019-01-14 03:46:24,494 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:46:24,494 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) [2019-01-14 03:46:24,551 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:46:24,551 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:36,641 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-14 03:46:36,648 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:36,648 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:36,648 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:36,648 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:36,648 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:46:36,648 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:36,649 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:36,649 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:36,649 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_false-unreach-call3_true-termination.i_Iteration1_Lasso [2019-01-14 03:46:36,649 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:36,649 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:36,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:46:36,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:46:36,865 WARN L181 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-14 03:46:37,020 WARN L181 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2019-01-14 03:46:37,045 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:37,045 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:46:37,045 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,046 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:37,046 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,046 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,046 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:37,047 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:37,048 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 03:46:37,058 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,058 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,059 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:37,059 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:37,059 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,059 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,059 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:37,059 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:46:37,060 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:37,060 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,060 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 03:46:37,060 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,061 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:37,061 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,061 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,061 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:37,064 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 03:46:37,064 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 03:46:37,079 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,079 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,080 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:37,080 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:37,080 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,080 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,080 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:37,081 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:37,081 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:37,081 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,081 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-14 03:46:37,082 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,082 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:37,082 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,082 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,082 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:37,086 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:46:37,086 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:46:37,103 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,104 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,104 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:37,104 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:37,105 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,105 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,105 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:37,105 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:37,105 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:37,106 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,106 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-14 03:46:37,106 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,106 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:37,107 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,107 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,107 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:37,110 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-14 03:46:37,110 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-14 03:46:37,128 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,128 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 [2019-01-14 03:46:37,129 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:37,129 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:37,129 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,129 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,129 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:37,130 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:37,130 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:37,130 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,130 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-14 03:46:37,130 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,131 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:37,131 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:37,131 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,131 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,131 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:37,133 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 03:46:37,134 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 03:46:37,163 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,163 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,164 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:37,164 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:37,164 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:37,164 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,164 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,164 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:37,165 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:37,165 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:37,165 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,166 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-14 03:46:37,166 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,166 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:37,167 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:46:37,167 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,167 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,167 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:37,172 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:46:37,173 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:46:37,302 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,304 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,307 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:37,307 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:46:37,307 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:37,308 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,308 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,308 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:37,313 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:37,313 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:37,315 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,316 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-14 03:46:37,316 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,320 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:37,320 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:37,321 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,321 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,321 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:37,331 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-14 03:46:37,331 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-14 03:46:37,557 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,558 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,558 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:37,559 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:37,563 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:37,564 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,565 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,566 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:37,568 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:37,568 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:37,569 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,569 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-14 03:46:37,573 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,577 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:37,577 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:37,577 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,578 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,578 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:37,584 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:46:37,586 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:46:37,675 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,676 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,677 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:37,677 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:37,678 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:37,681 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,682 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,682 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:37,682 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:37,684 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:37,687 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,688 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-14 03:46:37,688 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,689 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:37,689 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:37,689 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,689 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,699 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:46:37,705 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-14 03:46:37,706 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-14 03:46:37,927 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,928 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:37,929 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:37,929 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:37,929 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:37,934 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:37,935 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:37,935 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:46:37,935 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:37,935 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:37,939 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:37,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 03:46:37 BoogieIcfgContainer [2019-01-14 03:46:37,948 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 03:46:37,949 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 03:46:37,949 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 03:46:37,949 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 03:46:37,951 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:45:42" (3/4) ... [2019-01-14 03:46:37,957 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 03:46:37,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 03:46:37,960 INFO L168 Benchmark]: Toolchain (without parser) took 56175.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.7 MB). Free memory was 951.4 MB in the beginning and 977.1 MB in the end (delta: -25.7 MB). Peak memory consumption was 182.9 MB. Max. memory is 11.5 GB. [2019-01-14 03:46:37,964 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:46:37,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.15 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 03:46:37,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.97 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:46:37,968 INFO L168 Benchmark]: Boogie Preprocessor took 35.19 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:46:37,968 INFO L168 Benchmark]: RCFGBuilder took 328.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -164.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-01-14 03:46:37,974 INFO L168 Benchmark]: BuchiAutomizer took 55423.05 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 977.1 MB in the end (delta: 128.5 MB). Peak memory consumption was 323.0 MB. Max. memory is 11.5 GB. [2019-01-14 03:46:37,977 INFO L168 Benchmark]: Witness Printer took 8.90 ms. Allocated memory is still 1.2 GB. Free memory is still 977.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:46:37,991 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 329.15 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.97 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.19 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 328.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -164.9 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 55423.05 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.1 GB in the beginning and 977.1 MB in the end (delta: 128.5 MB). Peak memory consumption was 323.0 MB. Max. memory is 11.5 GB. * Witness Printer took 8.90 ms. Allocated memory is still 1.2 GB. Free memory is still 977.1 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 55.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 55.2s. 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: 238ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.3s - 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...