./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 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/loop-acceleration/simple_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 0.1.24-91b1670 [2018-11-28 23:43:04,336 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:43:04,338 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:43:04,352 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:43:04,352 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:43:04,354 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:43:04,355 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:43:04,357 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:43:04,359 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:43:04,361 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:43:04,362 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:43:04,362 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:43:04,363 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:43:04,365 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:43:04,366 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:43:04,367 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:43:04,368 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:43:04,371 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:43:04,373 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:43:04,375 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:43:04,377 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:43:04,378 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:43:04,382 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:43:04,382 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:43:04,382 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:43:04,383 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:43:04,384 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:43:04,386 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:43:04,387 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:43:04,388 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:43:04,389 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:43:04,389 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:43:04,390 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:43:04,390 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:43:04,391 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:43:04,392 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:43:04,393 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:43:04,411 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:43:04,412 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:43:04,413 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:43:04,413 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:43:04,413 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:43:04,414 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:43:04,414 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:43:04,415 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:43:04,415 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:43:04,415 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:43:04,415 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:43:04,415 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:43:04,415 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:43:04,415 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:43:04,417 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:43:04,417 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:43:04,417 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:43:04,417 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:43:04,417 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:43:04,417 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:43:04,417 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:43:04,418 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:43:04,418 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:43:04,418 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:43:04,418 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:43:04,418 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:43:04,418 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:43:04,420 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:43:04,420 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:43:04,420 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:43:04,421 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:43:04,422 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:43:04,422 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 [2018-11-28 23:43:04,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:43:04,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:43:04,498 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:43:04,499 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:43:04,500 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:43:04,500 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call2_true-termination.i [2018-11-28 23:43:04,570 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bc1cc426/d25acb56554d43d2b2441b8d5e62f5d4/FLAG826ec87b4 [2018-11-28 23:43:05,080 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:43:05,080 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call2_true-termination.i [2018-11-28 23:43:05,086 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bc1cc426/d25acb56554d43d2b2441b8d5e62f5d4/FLAG826ec87b4 [2018-11-28 23:43:05,441 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bc1cc426/d25acb56554d43d2b2441b8d5e62f5d4 [2018-11-28 23:43:05,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:43:05,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:43:05,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:43:05,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:43:05,455 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:43:05,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de2fd2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05, skipping insertion in model container [2018-11-28 23:43:05,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:43:05,488 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:43:05,667 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:43:05,673 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:43:05,689 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:43:05,706 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:43:05,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05 WrapperNode [2018-11-28 23:43:05,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:43:05,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:43:05,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:43:05,708 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:43:05,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:43:05,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:43:05,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:43:05,748 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:43:05,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:43:05,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:43:05,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:43:05,772 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:43:05,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:43:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:43:06,063 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:43:06,063 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 23:43:06,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:06 BoogieIcfgContainer [2018-11-28 23:43:06,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:43:06,066 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:43:06,066 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:43:06,070 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:43:06,071 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:43:06,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:43:05" (1/3) ... [2018-11-28 23:43:06,073 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b50f289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:43:06, skipping insertion in model container [2018-11-28 23:43:06,073 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:43:06,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (2/3) ... [2018-11-28 23:43:06,074 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b50f289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:43:06, skipping insertion in model container [2018-11-28 23:43:06,074 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:43:06,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:06" (3/3) ... [2018-11-28 23:43:06,077 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_true-unreach-call2_true-termination.i [2018-11-28 23:43:06,135 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:43:06,136 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:43:06,136 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:43:06,136 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:43:06,136 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:43:06,136 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:43:06,136 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:43:06,137 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:43:06,137 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:43:06,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 23:43:06,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:43:06,176 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:43:06,176 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:43:06,183 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:43:06,183 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:43:06,183 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:43:06,184 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 23:43:06,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:43:06,185 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:43:06,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:43:06,185 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:43:06,186 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:43:06,195 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0; 7#L10-2true [2018-11-28 23:43:06,195 INFO L796 eck$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 [2018-11-28 23:43:06,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:06,203 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 23:43:06,205 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:06,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:06,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:06,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:43:06,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:06,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:06,288 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-28 23:43:06,288 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:06,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:06,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:06,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:43:06,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:06,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:06,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-28 23:43:06,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:06,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:06,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:06,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:43:06,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:06,512 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:06,513 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:06,513 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:06,514 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:06,514 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:43:06,514 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:06,514 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:06,514 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:06,514 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-28 23:43:06,515 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:06,515 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:06,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:06,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:06,984 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2018-11-28 23:43:07,037 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:07,038 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 [2018-11-28 23:43:07,043 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:07,044 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 [2018-11-28 23:43:07,080 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:43:07,081 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:08,191 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:43:08,195 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:08,195 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:08,196 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:08,196 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:08,196 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:43:08,196 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:08,196 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:08,196 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:08,196 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-28 23:43:08,196 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:08,197 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:08,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:08,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:08,497 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2018-11-28 23:43:08,576 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:08,581 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:43:08,583 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:08,584 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:08,584 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:08,585 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:08,585 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:08,586 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:08,589 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:08,590 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:08,605 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:08,605 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:08,606 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:08,606 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:08,607 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:08,607 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:08,607 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:08,608 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:08,608 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:08,610 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:08,610 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:43:08,611 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:08,611 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:08,612 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:08,612 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:08,612 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:08,612 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:08,614 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:08,614 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:08,628 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:08,629 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:08,630 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:08,630 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:08,630 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:08,630 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:08,631 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:08,632 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:08,632 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:08,633 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:08,633 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:43:08,634 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:08,634 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:08,635 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:08,635 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:08,635 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:08,635 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:08,637 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:08,638 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:08,662 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:08,662 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:08,663 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:08,663 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:08,664 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:08,664 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:08,664 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:08,665 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:08,665 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:08,667 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:08,667 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:43:08,667 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:08,668 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:08,668 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:08,668 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:08,668 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:08,669 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:08,671 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:08,671 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:08,690 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:08,691 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 [2018-11-28 23:43:08,691 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:08,692 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:08,692 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:08,692 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:08,692 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:08,694 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:08,694 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:08,699 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:08,699 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:43:08,700 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 [2018-11-28 23:43:08,701 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:08,701 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:08,701 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:08,702 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:08,702 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:08,702 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:08,709 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:08,711 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:08,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:08,786 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:08,788 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:08,789 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:08,789 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:08,789 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:08,789 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:08,789 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:08,791 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:08,792 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:08,794 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:08,795 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:43:08,795 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:08,796 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:08,796 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:08,798 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:08,798 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:08,798 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:08,798 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:08,804 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:08,805 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:08,860 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:08,861 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:08,870 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:08,870 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:08,870 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:08,871 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:08,871 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:08,871 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:08,876 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:08,877 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:08,883 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:08,886 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:43:08,886 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:08,889 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:08,890 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:08,890 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:08,891 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:08,891 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:08,891 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:08,905 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:08,906 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:08,983 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:08,984 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:08,986 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:08,986 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:08,986 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:08,987 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:08,987 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:08,987 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:08,991 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:08,991 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:08,993 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:08,993 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:43:08,994 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:08,996 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:08,996 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:08,996 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:08,997 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:08,997 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:08,997 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:09,000 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:09,000 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:09,012 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:09,013 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:09,014 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:09,014 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:09,014 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:09,014 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:09,014 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:09,016 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:09,017 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:09,017 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:09,021 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:09,021 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:43:09,022 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:09,024 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:09,024 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:09,025 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:09,025 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:09,025 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:09,025 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:09,029 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:09,030 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:09,072 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:09,072 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:09,073 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:09,073 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:09,073 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:09,075 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:09,075 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:09,075 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:09,079 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:09,079 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:09,085 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:09,101 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:09,101 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:09,101 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:09,102 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:09,102 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:43:09,102 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:09,102 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:09,102 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:09,103 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-28 23:43:09,103 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:09,103 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:09,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:09,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:09,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:09,248 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:09,248 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:09,253 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:09,253 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:09,262 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:43:09,263 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 [2018-11-28 23:43:09,296 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:09,296 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 [2018-11-28 23:43:09,329 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:43:09,329 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:21,409 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 23:43:21,414 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:21,414 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:21,414 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:21,415 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:21,415 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:43:21,415 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:21,415 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:21,415 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:21,415 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-28 23:43:21,415 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:21,416 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:21,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:21,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:21,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:21,519 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:21,520 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:43:21,520 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,521 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:21,521 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,521 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,521 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,522 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:21,522 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:21,523 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,525 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,526 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,526 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:21,527 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,527 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,527 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,527 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:21,528 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:21,528 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,528 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,529 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,529 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:21,530 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,530 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,530 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,530 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:21,531 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:21,531 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,532 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,532 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:43:21,532 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,533 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:21,533 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,533 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,533 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,534 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:21,534 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:21,534 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,541 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,541 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,542 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:21,542 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,542 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,543 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,546 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:21,546 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:21,547 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,547 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,548 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,548 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:21,548 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,551 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,551 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,551 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:21,552 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:21,552 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,553 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,553 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:43:21,553 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,555 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:21,555 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,555 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,555 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,555 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:21,556 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:21,556 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,564 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,565 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,566 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:21,566 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,567 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,567 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,567 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:21,575 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:21,575 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,576 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,576 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,578 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:21,578 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,579 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,579 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,579 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:21,580 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:21,580 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,580 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,581 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:43:21,581 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,582 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:21,582 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,582 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,582 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,582 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:21,586 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:21,586 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,595 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,596 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,599 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:21,599 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,600 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,601 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,601 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:21,603 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:21,603 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,604 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,605 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,606 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:21,606 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,608 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,608 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,608 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:21,609 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:21,609 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,612 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,613 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:43:21,613 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 [2018-11-28 23:43:21,614 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:21,614 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:21,614 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,614 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,614 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,617 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:21,618 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:21,618 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,639 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,642 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,643 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:21,643 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:21,643 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,643 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,643 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,647 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:21,647 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:21,648 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,650 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,652 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,654 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:21,654 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:21,654 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,654 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,655 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,655 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:21,655 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:21,655 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,658 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,658 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:43:21,659 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,659 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:21,659 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:21,659 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,661 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,661 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,662 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:21,664 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:21,664 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,702 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,708 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 [2018-11-28 23:43:21,709 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:21,709 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:21,709 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,709 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,715 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,715 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:21,716 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:21,716 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,722 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,722 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 [2018-11-28 23:43:21,723 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:21,723 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:21,723 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,724 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,729 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,729 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:21,730 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:21,730 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,734 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,738 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:43:21,738 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,739 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:21,739 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:21,739 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,740 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,740 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,740 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:21,747 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:21,748 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,798 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,799 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,800 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:21,800 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:21,801 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,801 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:21,802 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:21,803 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,804 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,804 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 [2018-11-28 23:43:21,805 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:21,805 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:21,805 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,806 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,806 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,806 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:21,812 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:21,812 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,814 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,814 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:43:21,814 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,819 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:21,819 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:21,819 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,819 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,820 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,820 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:21,821 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:21,821 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,837 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,838 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,839 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:21,839 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:21,839 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,840 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:21,841 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:21,841 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,842 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,843 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,843 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:21,843 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:21,843 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,843 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,845 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,845 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:21,845 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:21,846 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,847 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,847 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:43:21,848 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,848 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:21,849 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:21,849 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,849 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,849 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,849 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:21,850 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:21,857 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,871 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,871 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,872 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:21,872 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:21,873 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,873 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:21,874 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:21,874 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,876 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,876 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:21,879 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:21,879 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:21,879 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:21,879 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:21,880 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:21,880 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:21,881 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:21,881 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:21,886 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:21,887 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-28 23:43:21,888 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0;havoc main_~x~0; 7#L10-2true assume !!(main_~x~0 % 4294967296 < 268435455);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0; 7#L10-2true [2018-11-28 23:43:21,888 INFO L796 eck$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 [2018-11-28 23:43:21,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:21,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-11-28 23:43:21,888 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:21,889 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:21,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:21,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:43:21,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:21,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:21,905 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-11-28 23:43:21,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:21,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:21,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:21,908 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:43:21,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:21,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:21,917 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-11-28 23:43:21,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:21,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:21,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:21,921 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:43:21,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:22,076 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:22,076 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:22,076 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:22,076 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:22,076 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:43:22,077 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:22,077 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:22,077 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:22,077 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-28 23:43:22,077 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:22,077 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:22,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:22,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:22,264 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2018-11-28 23:43:22,418 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-28 23:43:22,444 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:22,444 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) [2018-11-28 23:43:22,449 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:22,449 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) [2018-11-28 23:43:22,495 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:43:22,496 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 [2018-11-28 23:43:34,568 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 23:43:34,576 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:34,577 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:34,577 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:34,577 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:34,577 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:43:34,577 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:34,577 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:34,577 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:34,580 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-28 23:43:34,580 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:34,580 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:34,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:34,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:34,701 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:34,702 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:43:34,702 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,703 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:34,703 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,703 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,706 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,706 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:34,706 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:34,707 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,708 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,710 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,711 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:34,711 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,711 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,711 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,711 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:34,711 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:34,714 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,715 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,715 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:43:34,716 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,716 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:34,716 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,716 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,719 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,719 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:34,720 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:34,720 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,723 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,724 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,724 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:34,724 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,726 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,726 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,726 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:34,727 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:34,727 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,727 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,729 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:43:34,730 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,731 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:34,731 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,731 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,731 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,731 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:34,734 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:34,734 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,738 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,738 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,739 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:34,739 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,739 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,739 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,740 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:34,742 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:34,743 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,743 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,743 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:43:34,745 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,745 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:34,746 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,746 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,746 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,746 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:34,749 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:34,750 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,754 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,754 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 [2018-11-28 23:43:34,755 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:34,756 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,757 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,757 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,757 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:34,757 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:34,757 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,758 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,758 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:43:34,761 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,762 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,762 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:34,762 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,762 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,762 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,762 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:34,763 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:34,763 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,773 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,773 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,776 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,776 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:34,776 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,776 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,776 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,777 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:34,778 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:34,779 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,780 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,780 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:43:34,780 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,783 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,784 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:34,784 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,784 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,784 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,784 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:34,787 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:34,787 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,801 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,802 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,803 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,803 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:34,803 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,804 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,806 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,806 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:34,807 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:34,807 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,810 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,810 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:43:34,811 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,814 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,814 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:34,814 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,815 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,815 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,815 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:34,818 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:34,819 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,853 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,858 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,862 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,863 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:34,863 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,863 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,863 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,863 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:34,867 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:34,867 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,868 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,868 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:43:34,870 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,870 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,871 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:34,871 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,871 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,871 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,871 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:34,875 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:34,875 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,881 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,881 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,882 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,885 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:34,885 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,885 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,885 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,885 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:34,888 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:34,888 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,890 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,891 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:43:34,891 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,894 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,894 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:34,894 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,895 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,895 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,895 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:34,899 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:34,899 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,912 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,915 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,917 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,918 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:34,918 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,918 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,918 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,918 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:34,919 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:34,919 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,925 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:35,038 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:35,038 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:35,038 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:35,038 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:35,039 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:43:35,039 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:35,039 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:35,039 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:35,039 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-28 23:43:35,039 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:35,039 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:35,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:35,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:35,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:35,455 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-11-28 23:43:35,648 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-28 23:43:35,810 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-28 23:43:35,856 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:35,856 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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:35,868 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:35,868 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 23:43:35,921 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:43:35,922 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:43,639 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:43:43,644 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:43,644 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:43,644 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:43,644 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:43,644 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:43:43,644 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:43,644 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:43,645 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:43,645 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-28 23:43:43,645 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:43,645 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:43,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:43,675 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:43,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:43,815 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-11-28 23:43:43,902 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:43,903 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:43:43,903 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 [2018-11-28 23:43:43,904 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:43,904 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:43,904 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:43,904 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:43,906 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:43,906 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:43:43,912 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:43,913 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:43,913 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:43,916 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:43,916 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:43,916 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:43,916 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:43,917 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:43,917 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:43,917 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:43,918 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:43,918 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:43,918 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:43,918 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:43,919 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:43,923 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:43,923 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:43,923 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:43,924 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:43,924 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:43:43,925 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 [2018-11-28 23:43:43,925 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:43,925 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:43,925 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:43,929 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:43,930 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:43:43,930 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:43:43,940 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:43,940 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:43,941 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:43,941 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:43,941 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:43,941 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:43,941 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:43,945 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:43,945 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:43,947 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:43,947 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:43,948 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:43,948 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:43,948 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:43,948 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:43,948 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:43,952 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:43,952 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:43,953 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:43,953 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:43:43,953 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:43,954 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:43,957 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:43,957 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:43,957 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:43,960 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:43,961 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:43,971 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:43,972 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:43,972 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:43,973 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:43,973 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:43,973 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:43,973 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:43,974 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:43,977 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:43,978 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:43,978 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:43,981 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:43,982 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:43,982 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:43,982 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:43,982 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:43,982 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:43,983 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:43,983 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:43,983 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:43:43,986 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:43,988 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:43,989 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:43,989 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:43,989 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:43,992 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:43:43,992 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:43:44,005 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,006 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,006 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:44,007 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:44,007 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,007 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,007 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:44,011 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:44,011 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:44,012 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,012 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,012 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:44,015 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:44,016 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,016 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,016 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:44,017 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:44,017 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:44,017 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,018 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:43:44,020 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,020 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:44,023 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:44,023 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,023 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,023 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:44,027 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:43:44,027 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:43:44,045 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,045 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,046 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:44,046 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:44,046 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:44,046 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,055 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,055 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:44,056 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:44,056 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:44,056 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,057 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,057 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:44,057 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:44,057 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:44,065 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,065 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,065 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:44,066 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:44,066 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:44,066 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,066 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:43:44,071 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,071 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:44,071 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:44,074 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,074 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,075 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:44,078 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:44,078 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:44,107 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,109 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,109 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:44,109 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:44,109 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:44,113 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,113 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,113 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:44,114 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:44,114 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:44,115 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,118 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,119 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:44,119 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:44,119 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:44,119 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,119 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,119 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:44,120 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:44,120 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:44,126 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,126 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:43:44,127 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,128 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:44,128 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:44,128 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,128 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,128 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:44,136 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:43:44,137 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:43:44,185 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,186 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,189 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:44,190 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:44,190 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:44,190 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,190 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,191 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:44,192 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:44,192 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:44,195 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,195 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,198 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:44,199 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:44,199 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:44,199 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,199 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,199 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:44,200 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:44,200 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:44,204 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,204 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:43:44,204 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,205 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:44,205 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:44,209 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,209 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,209 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:44,214 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:44,214 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:44,226 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,228 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,229 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:44,229 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:44,229 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:44,229 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,230 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,230 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:44,230 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:44,230 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:44,236 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,236 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,237 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:44,237 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:44,237 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:44,237 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,237 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,238 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:44,242 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:44,242 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:44,244 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,245 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:43:44,245 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,245 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:44,246 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:44,246 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,246 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,246 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:44,253 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:43:44,253 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:43:44,343 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,344 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,347 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:44,347 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:44,347 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:44,347 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,347 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,347 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:44,348 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:44,348 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:44,354 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,355 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:44,356 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:44,358 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:44,358 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:44,359 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:44,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:44,360 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:44,360 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:44,360 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:44,364 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:44,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:43:44 BoogieIcfgContainer [2018-11-28 23:43:44,374 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:43:44,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:43:44,375 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:43:44,375 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:43:44,376 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:06" (3/4) ... [2018-11-28 23:43:44,382 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:43:44,382 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:43:44,383 INFO L168 Benchmark]: Toolchain (without parser) took 38936.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.0 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -233.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:43:44,389 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:43:44,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.74 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. [2018-11-28 23:43:44,394 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.35 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. [2018-11-28 23:43:44,394 INFO L168 Benchmark]: Boogie Preprocessor took 23.37 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. [2018-11-28 23:43:44,395 INFO L168 Benchmark]: RCFGBuilder took 293.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -155.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:43:44,399 INFO L168 Benchmark]: BuchiAutomizer took 38308.85 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 90.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -88.0 MB). Peak memory consumption was 338.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:43:44,401 INFO L168 Benchmark]: Witness Printer took 6.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:43:44,407 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 258.74 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 39.35 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 23.37 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 293.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -155.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 38308.85 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 90.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -88.0 MB). Peak memory consumption was 338.5 MB. Max. memory is 11.5 GB. * Witness Printer took 6.91 ms. Allocated memory is still 1.2 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 38.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 38.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: 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: 98ms VariablesStem: 3 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 19.9s - 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...