./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call2_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_true-unreach-call2_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 c77f087773c0ebeb64944776e94bc46443438d1a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:46:16,812 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 03:46:16,816 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 03:46:16,828 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 03:46:16,828 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 03:46:16,830 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 03:46:16,832 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 03:46:16,834 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 03:46:16,839 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 03:46:16,840 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 03:46:16,841 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 03:46:16,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 03:46:16,843 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 03:46:16,845 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 03:46:16,851 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 03:46:16,852 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 03:46:16,853 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 03:46:16,858 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 03:46:16,861 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 03:46:16,864 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 03:46:16,865 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 03:46:16,866 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 03:46:16,868 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 03:46:16,868 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 03:46:16,869 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 03:46:16,870 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 03:46:16,871 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 03:46:16,871 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 03:46:16,872 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 03:46:16,873 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 03:46:16,874 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 03:46:16,874 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 03:46:16,875 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 03:46:16,875 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 03:46:16,876 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 03:46:16,876 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 03:46:16,876 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 03:46:16,893 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 03:46:16,893 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 03:46:16,894 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 03:46:16,894 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 03:46:16,895 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 03:46:16,895 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 03:46:16,895 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 03:46:16,895 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 03:46:16,895 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 03:46:16,895 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 03:46:16,896 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 03:46:16,896 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 03:46:16,896 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 03:46:16,896 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 03:46:16,896 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 03:46:16,897 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 03:46:16,898 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 03:46:16,898 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 03:46:16,898 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 03:46:16,899 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 03:46:16,899 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 03:46:16,899 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 03:46:16,899 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 03:46:16,899 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 03:46:16,899 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 03:46:16,900 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 03:46:16,901 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 03:46:16,901 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 03:46:16,901 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 03:46:16,901 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 03:46:16,901 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 03:46:16,902 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 03:46:16,903 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 -> c77f087773c0ebeb64944776e94bc46443438d1a [2019-01-14 03:46:16,946 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 03:46:16,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 03:46:16,966 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 03:46:16,968 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 03:46:16,968 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 03:46:16,969 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call2_true-termination.i [2019-01-14 03:46:17,028 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e26bde780/20517c9ac76840568cfb1675f0bc75c2/FLAG632a320f2 [2019-01-14 03:46:17,434 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 03:46:17,434 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call2_true-termination.i [2019-01-14 03:46:17,441 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e26bde780/20517c9ac76840568cfb1675f0bc75c2/FLAG632a320f2 [2019-01-14 03:46:17,808 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e26bde780/20517c9ac76840568cfb1675f0bc75c2 [2019-01-14 03:46:17,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 03:46:17,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 03:46:17,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 03:46:17,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 03:46:17,820 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 03:46:17,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:46:17" (1/1) ... [2019-01-14 03:46:17,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5089c550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:17, skipping insertion in model container [2019-01-14 03:46:17,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:46:17" (1/1) ... [2019-01-14 03:46:17,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 03:46:17,849 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 03:46:17,995 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:46:17,999 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 03:46:18,014 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:46:18,028 INFO L195 MainTranslator]: Completed translation [2019-01-14 03:46:18,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:18 WrapperNode [2019-01-14 03:46:18,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 03:46:18,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 03:46:18,030 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 03:46:18,030 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 03:46:18,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:18" (1/1) ... [2019-01-14 03:46:18,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:18" (1/1) ... [2019-01-14 03:46:18,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 03:46:18,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 03:46:18,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 03:46:18,065 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 03:46:18,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:18" (1/1) ... [2019-01-14 03:46:18,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:18" (1/1) ... [2019-01-14 03:46:18,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:18" (1/1) ... [2019-01-14 03:46:18,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:18" (1/1) ... [2019-01-14 03:46:18,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:18" (1/1) ... [2019-01-14 03:46:18,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:18" (1/1) ... [2019-01-14 03:46:18,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:18" (1/1) ... [2019-01-14 03:46:18,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 03:46:18,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 03:46:18,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 03:46:18,090 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 03:46:18,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:18" (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 03:46:18,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 03:46:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 03:46:18,446 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 03:46:18,447 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-14 03:46:18,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:46:18 BoogieIcfgContainer [2019-01-14 03:46:18,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 03:46:18,449 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 03:46:18,449 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 03:46:18,452 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 03:46:18,453 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:46:18,453 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 03:46:17" (1/3) ... [2019-01-14 03:46:18,454 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c50876e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:46:18, skipping insertion in model container [2019-01-14 03:46:18,454 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:46:18,454 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:46:18" (2/3) ... [2019-01-14 03:46:18,455 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c50876e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:46:18, skipping insertion in model container [2019-01-14 03:46:18,455 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:46:18,455 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:46:18" (3/3) ... [2019-01-14 03:46:18,457 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_true-unreach-call2_true-termination.i [2019-01-14 03:46:18,505 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 03:46:18,506 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 03:46:18,506 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 03:46:18,507 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 03:46:18,507 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 03:46:18,507 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 03:46:18,507 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 03:46:18,507 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 03:46:18,507 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 03:46:18,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-14 03:46:18,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 03:46:18,545 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:46:18,545 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:46:18,552 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 03:46:18,552 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 03:46:18,552 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 03:46:18,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-14 03:46:18,554 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 03:46:18,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:46:18,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:46:18,555 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 03:46:18,555 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 03:46:18,563 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0; 7#L10-2true [2019-01-14 03:46:18,564 INFO L796 eck$LassoCheckResult]: Loop: 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2019-01-14 03:46:18,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:46:18,570 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-14 03:46:18,573 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:46:18,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:46:18,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:18,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:46:18,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:18,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:46:18,651 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-01-14 03:46:18,652 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:46:18,652 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:46:18,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:18,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:46:18,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:18,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:46:18,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-01-14 03:46:18,674 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:46:18,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:46:18,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:18,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:46:18,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:18,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:18,855 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:18,856 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:18,856 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:18,856 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:18,856 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:46:18,856 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:18,856 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:18,857 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:18,857 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2019-01-14 03:46:18,857 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:18,857 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:18,879 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 03:46:18,947 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 03:46:19,081 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:19,082 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 03:46:19,095 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:46:19,095 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:19,130 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:46:19,130 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:46:20,079 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 03:46:20,084 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:20,084 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:20,084 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:20,084 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:20,085 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:46:20,085 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:20,085 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:20,085 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:20,085 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2019-01-14 03:46:20,086 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:20,086 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:20,087 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 03:46:20,131 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 03:46:20,329 WARN L181 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2019-01-14 03:46:20,429 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:20,433 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:46:20,435 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:20,436 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:20,436 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,437 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,437 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,437 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:20,440 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:46:20,441 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,456 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,456 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:20,457 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:20,457 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,458 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,458 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,459 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:20,459 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:46:20,459 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,462 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,462 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 03:46:20,463 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:20,463 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:20,463 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,464 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,464 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,464 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:20,467 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:20,467 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,481 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,482 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:20,482 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:20,482 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,483 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,483 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,483 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:20,485 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:20,485 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,487 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,487 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-14 03:46:20,488 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 03:46:20,488 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:20,488 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,490 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,490 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,490 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:20,492 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:20,492 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,512 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,513 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:20,513 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:20,515 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,515 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,515 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,515 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:20,516 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:20,516 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,518 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,518 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-14 03:46:20,518 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:20,519 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:20,519 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,519 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,520 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,520 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:20,523 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:20,523 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,541 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,541 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:20,543 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:20,543 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,544 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,544 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,544 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:20,546 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:20,546 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,547 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,548 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-14 03:46:20,549 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:20,550 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:20,550 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:20,551 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,551 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,551 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,551 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:20,555 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:20,555 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,607 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,613 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:20,615 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:20,618 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:20,618 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,618 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,618 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,618 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:20,620 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:20,620 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,626 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,626 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-14 03:46:20,626 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:20,627 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:20,628 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:46:20,628 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,628 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,628 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,628 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:20,635 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:20,635 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,688 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,691 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:20,693 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:20,693 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:46:20,694 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,695 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,695 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,695 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:20,698 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:20,699 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,706 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,707 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-14 03:46:20,708 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:20,709 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:20,709 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:20,709 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,710 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,712 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,712 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:20,720 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:20,721 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,825 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,825 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:20,829 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:20,830 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:20,830 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,830 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,830 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,830 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:20,836 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:20,836 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,838 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,838 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-14 03:46:20,839 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:20,839 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:20,841 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:20,841 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,841 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,842 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,842 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:20,843 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:20,843 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,875 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,875 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:20,876 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:20,876 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:20,877 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,877 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,877 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,877 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:20,880 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:20,880 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,884 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,885 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-14 03:46:20,885 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 03:46:20,889 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:20,892 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:20,892 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,892 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,892 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,893 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:46:20,897 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:20,899 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,924 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,925 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:20,926 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:20,926 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:20,926 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:20,927 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:20,929 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:20,929 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:46:20,931 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:20,931 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:20,941 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:20,990 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:20,990 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:20,990 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:20,990 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:20,991 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:46:20,991 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:20,992 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:20,992 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:20,992 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2019-01-14 03:46:20,992 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:20,992 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:20,995 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 03:46:21,024 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 03:46:21,068 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 03:46:21,157 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:21,157 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 03:46:21,161 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:46:21,161 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:46:21,169 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 03:46:21,169 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /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 03:46:21,190 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:46:21,190 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:21,216 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:46:21,217 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:46:33,764 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-14 03:46:33,770 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:33,770 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:33,770 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:33,770 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:33,770 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:46:33,770 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:33,770 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:33,771 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:33,771 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2019-01-14 03:46:33,771 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:33,771 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:33,773 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 03:46:33,784 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 03:46:33,786 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 03:46:33,878 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:33,879 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:46:33,879 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 03:46:33,880 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:33,880 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:33,880 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:33,881 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:33,881 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:33,881 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:46:33,881 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:33,884 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:33,884 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:33,885 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:33,885 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:33,885 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:33,885 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:33,886 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:33,888 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:46:33,888 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:33,888 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:33,889 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:33,890 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:33,890 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:33,890 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:33,890 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:33,890 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:33,891 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:46:33,891 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:33,894 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:33,894 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 03:46:33,894 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 03:46:33,895 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:33,895 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:33,895 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:33,895 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:33,896 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:33,896 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:33,896 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:33,903 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:33,903 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:33,904 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:33,904 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:33,904 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:33,904 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:33,904 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:33,905 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:33,905 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:33,905 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:33,908 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:33,909 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:33,909 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:33,909 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:33,909 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:33,909 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:33,912 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:33,912 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:33,913 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:33,913 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-14 03:46:33,914 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:33,914 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:33,914 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:33,915 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:33,917 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:33,917 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:33,918 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:33,918 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:33,923 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:33,923 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:33,924 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:33,924 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:33,924 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:33,926 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:33,926 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:33,927 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:33,927 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:33,929 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:33,929 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:33,931 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:33,931 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:33,931 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:33,931 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:33,932 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:33,932 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:33,932 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:33,934 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:33,935 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-14 03:46:33,935 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:33,937 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:33,937 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:33,938 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:33,938 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:33,938 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:33,940 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:33,940 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:33,945 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:33,946 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:33,946 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:33,947 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:33,947 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:33,947 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:33,947 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:33,948 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:33,948 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:33,948 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:33,951 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:33,952 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:33,952 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:33,952 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:33,952 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:33,952 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:33,955 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:33,955 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:33,956 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:33,956 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-14 03:46:33,957 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:33,957 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:33,957 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:33,958 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:33,960 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:33,960 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:33,960 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:33,962 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:33,963 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:33,974 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:33,975 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:33,976 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:33,976 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:33,976 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:33,976 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:33,976 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:33,977 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:33,979 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:33,980 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:33,981 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:33,981 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:33,982 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:33,982 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:33,982 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:33,982 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:33,982 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:33,983 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:33,986 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:33,986 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:33,987 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:33,987 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-14 03:46:33,989 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:33,989 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:33,989 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:46:33,990 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:33,990 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:33,990 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:33,990 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:33,998 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:33,998 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:34,029 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:34,035 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:34,036 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:34,037 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:46:34,038 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:34,038 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:34,038 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:34,039 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:34,041 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:34,044 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:34,045 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:34,046 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:34,047 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:34,053 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:46:34,053 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:34,053 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:34,054 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:34,054 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:34,058 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:34,058 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:34,060 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:34,060 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-14 03:46:34,062 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:34,063 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:34,063 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:34,065 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:34,065 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:34,065 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:34,065 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:34,070 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:34,070 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:34,119 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:34,119 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:34,123 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:34,124 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:34,124 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:34,124 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:34,124 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:34,124 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:34,127 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:34,127 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:34,128 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:34,129 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:34,130 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:34,131 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:34,132 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:34,133 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:34,133 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:34,133 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:34,139 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:34,139 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:34,141 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:34,142 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-14 03:46:34,142 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:34,145 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:34,145 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:34,145 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:34,146 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:34,147 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:34,147 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:34,148 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:34,148 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:34,155 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:34,156 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:34,165 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:34,166 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:34,166 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:34,166 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:34,166 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:34,166 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:34,169 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:34,169 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:34,171 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:34,171 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:34,176 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:34,177 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:34,177 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:34,177 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:34,177 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:34,177 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:34,180 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:34,181 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:34,183 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:34,183 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-14 03:46:34,183 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:34,188 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:34,188 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:34,188 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:34,189 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:34,189 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:34,189 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:46:34,190 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:34,191 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:34,208 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:34,210 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:34,211 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:34,211 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:34,211 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:34,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:34,212 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:34,212 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:46:34,215 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:34,215 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:34,219 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:34,219 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:34,221 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:34,222 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:34,223 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:34,223 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:34,223 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:34,223 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:46:34,225 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:34,226 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:34,230 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:34,232 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-01-14 03:46:34,233 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0; 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2019-01-14 03:46:34,233 INFO L796 eck$LassoCheckResult]: Loop: 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2019-01-14 03:46:34,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:46:34,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-01-14 03:46:34,233 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:46:34,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:46:34,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:34,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:46:34,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:34,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:46:34,248 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-01-14 03:46:34,249 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:46:34,249 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:46:34,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:34,250 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 03:46:34,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:34,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:46:34,261 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-01-14 03:46:34,262 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:46:34,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:46:34,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:34,263 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 03:46:34,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:46:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:46:34,429 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:34,429 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:34,429 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:34,429 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:34,429 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:46:34,430 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:34,430 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:34,430 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:34,430 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2019-01-14 03:46:34,430 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:34,430 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:34,434 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 03:46:34,528 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 03:46:34,769 WARN L181 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-14 03:46:34,794 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:34,795 INFO L412 LassoAnalysis]: Checking for nontermination... 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 03:46:34,801 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:46:34,802 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 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 03:46:34,845 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:46:34,846 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 03:46:47,246 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-14 03:46:47,251 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:47,252 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:47,252 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:47,252 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:47,252 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:46:47,252 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:47,252 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:47,252 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:47,252 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2019-01-14 03:46:47,253 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:47,253 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:47,254 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 03:46:47,300 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 03:46:47,378 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:47,378 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:46:47,379 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:47,380 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:47,380 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,380 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,381 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,384 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:47,384 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:46:47,384 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,387 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,388 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:47,388 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:47,388 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,389 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,391 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,391 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:47,391 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:46:47,391 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,392 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,393 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 03:46:47,393 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:47,394 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:47,394 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,394 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,394 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,394 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:47,397 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:47,397 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,400 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,401 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:47,401 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:47,401 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,402 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,404 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,404 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:47,405 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:47,405 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,405 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,405 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-14 03:46:47,406 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:47,406 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:47,406 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,407 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,410 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,410 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:47,410 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:47,411 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,415 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,416 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:47,416 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:47,416 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,416 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,416 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,417 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:47,419 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:47,420 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,421 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,421 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-14 03:46:47,421 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:47,422 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:47,422 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,422 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,422 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,422 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:47,426 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:47,426 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,430 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,431 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:47,432 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:47,432 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,432 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,432 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,432 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:47,433 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:47,435 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,436 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,436 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-14 03:46:47,438 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:47,438 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:47,438 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:47,438 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,441 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,441 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,441 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:47,442 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:47,443 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,449 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,450 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:47,451 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:47,451 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:47,451 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,451 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,451 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,452 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:47,455 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:47,455 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,456 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,456 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-14 03:46:47,456 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:47,459 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:47,459 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:46:47,459 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,459 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,459 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,460 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:47,461 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:47,461 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,475 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,475 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:47,476 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:47,476 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:46:47,476 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,476 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,477 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,477 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:47,478 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:47,481 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,482 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,482 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-14 03:46:47,482 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:47,485 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:47,486 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:47,486 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,486 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,486 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,486 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:47,490 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:47,491 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,513 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,514 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:47,515 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:47,515 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:47,515 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,515 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,515 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,515 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:47,519 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:47,520 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,521 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,521 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-14 03:46:47,522 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:47,523 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:47,524 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:47,524 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,524 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,525 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,525 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:47,526 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:47,527 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,533 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,534 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:47,534 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:47,534 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:47,534 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,534 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,535 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,538 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:47,538 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:47,538 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,541 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,541 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-14 03:46:47,541 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:47,544 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:47,544 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:47,544 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,545 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,546 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,546 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:46:47,547 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:47,547 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,559 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,560 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:47,561 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:47,561 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:47,561 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:47,561 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:47,561 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:47,561 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:46:47,565 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:47,565 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:47,569 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:47,655 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:47,656 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:47,656 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:47,656 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:47,656 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:46:47,656 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:47,656 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:47,656 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:47,656 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2019-01-14 03:46:47,657 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:47,657 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:47,658 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 03:46:47,678 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 03:46:47,684 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 03:46:48,046 WARN L181 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2019-01-14 03:46:48,096 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:48,096 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-14 03:46:48,111 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:46:48,111 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:48,164 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:46:48,164 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:46:54,476 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 03:46:54,481 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:46:54,481 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:46:54,481 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:46:54,481 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:46:54,481 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:46:54,482 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:46:54,482 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:46:54,482 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:46:54,482 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2019-01-14 03:46:54,482 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:46:54,482 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:46:54,484 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 03:46:54,506 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 03:46:54,510 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 03:46:54,651 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:46:54,651 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:46:54,655 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:54,655 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:54,656 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,656 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,656 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:54,658 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:54,660 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 03:46:54,666 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,667 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:54,667 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:54,667 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:54,667 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,668 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,670 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:54,671 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:46:54,671 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:54,672 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,672 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,673 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:54,675 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:54,675 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,675 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,676 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:46:54,676 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:46:54,676 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:54,677 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,677 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-14 03:46:54,677 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,677 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:54,678 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,682 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,682 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:54,684 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 03:46:54,684 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 03:46:54,692 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,693 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,693 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:54,694 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:54,696 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,696 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,696 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:54,697 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:54,697 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:54,697 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,700 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,702 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:54,702 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:54,702 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,702 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,702 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:54,702 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:54,703 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:54,704 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,705 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-14 03:46:54,705 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,705 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:54,706 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,708 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,709 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:54,711 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:46:54,711 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:46:54,722 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,722 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:54,723 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:54,723 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:54,723 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,723 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,724 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:54,727 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:54,727 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:54,728 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,728 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,728 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:54,732 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:54,732 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,732 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,732 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:54,732 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:54,733 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:54,733 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,733 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-14 03:46:54,734 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,736 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:54,737 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,738 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,739 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:54,742 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-14 03:46:54,742 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-14 03:46:54,753 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,754 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,755 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:54,755 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:54,755 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,755 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,755 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:54,756 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:54,759 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:54,759 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,760 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,760 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:46:54,760 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:54,761 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,763 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,764 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:54,764 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:54,764 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:54,765 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,766 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-14 03:46:54,766 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:54,769 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:54,770 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:54,770 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,770 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,770 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:54,773 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-14 03:46:54,773 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-14 03:46:54,788 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,788 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,788 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:54,791 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:54,792 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:54,792 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,792 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,792 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:54,793 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:54,793 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:54,793 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,796 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,799 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:54,799 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:54,799 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:54,799 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,799 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,800 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-14 03:46:54,800 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-14 03:46:54,800 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:54,801 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,801 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-14 03:46:54,804 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,805 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:54,806 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:46:54,806 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,806 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,806 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:54,812 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:46:54,812 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:46:54,842 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,844 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 03:46:54,845 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:54,845 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:46:54,845 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:54,845 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,846 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,846 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:54,851 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:54,851 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:54,853 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,853 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:54,854 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:54,854 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-14 03:46:54,855 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:54,855 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,855 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,855 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:54,856 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:54,856 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:54,857 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,857 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-14 03:46:54,857 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,858 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:54,858 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:54,858 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,859 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,859 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:54,863 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-14 03:46:54,863 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-14 03:46:54,922 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,923 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,924 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:54,924 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:54,925 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:54,925 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,925 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,925 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:54,926 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:54,926 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:54,927 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,927 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,928 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:54,928 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:54,928 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:54,928 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,928 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,929 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-14 03:46:54,930 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-14 03:46:54,930 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:54,931 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,931 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-14 03:46:54,931 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,932 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:54,932 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:54,932 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,932 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,932 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:54,934 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-14 03:46:54,935 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 03:46:54,950 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,950 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,951 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:54,951 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:54,951 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:54,951 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,951 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,952 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:54,952 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:54,952 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:54,954 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:54,954 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:54,954 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:54,954 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-14 03:46:54,955 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:54,955 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:54,955 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:54,955 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-14 03:46:55,012 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:46:55,012 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:55,014 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:55,014 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-14 03:46:55,014 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:46:55,018 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:55,018 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:55,019 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:55,019 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:55,019 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:46:55,025 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-14 03:46:55,025 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-14 03:46:55,047 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:55,047 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 03:46:55,048 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:55,048 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:55,048 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:55,049 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:55,052 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:55,052 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:46:55,053 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:55,053 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:55,057 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:55,058 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 03:46:55,061 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-14 03:46:55,061 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-14 03:46:55,061 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:46:55,061 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:46:55,062 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:46:55,062 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-14 03:46:55,062 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 03:46:55,063 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:46:55,064 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:46:55,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 03:46:55 BoogieIcfgContainer [2019-01-14 03:46:55,074 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 03:46:55,074 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 03:46:55,075 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 03:46:55,075 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 03:46:55,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:46:18" (3/4) ... [2019-01-14 03:46:55,082 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 03:46:55,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 03:46:55,083 INFO L168 Benchmark]: Toolchain (without parser) took 37271.65 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 231.2 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -252.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:46:55,084 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:46:55,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.33 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 03:46:55,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.86 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 03:46:55,088 INFO L168 Benchmark]: Boogie Preprocessor took 24.06 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 03:46:55,089 INFO L168 Benchmark]: RCFGBuilder took 359.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -202.4 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-01-14 03:46:55,090 INFO L168 Benchmark]: BuchiAutomizer took 36625.10 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -67.0 MB). Peak memory consumption was 326.0 MB. Max. memory is 11.5 GB. [2019-01-14 03:46:55,092 INFO L168 Benchmark]: Witness Printer took 7.71 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:46:55,098 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 216.33 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 34.86 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 24.06 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 359.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -202.4 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 36625.10 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -67.0 MB). Peak memory consumption was 326.0 MB. Max. memory is 11.5 GB. * Witness Printer took 7.71 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 36.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 36.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div487 bol100 ite100 ukn100 eq142 hnf45 smp90 dnf100 smp100 tf103 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 32ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 18.8s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0;" "assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;" Loop: "assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...