./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call3_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa 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-call3_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d57e8ddb55bdff7b186468e47377e815829f9014 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 23:04:59,215 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:04:59,217 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:04:59,230 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:04:59,231 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:04:59,232 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:04:59,233 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:04:59,236 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:04:59,237 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:04:59,238 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:04:59,239 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:04:59,239 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:04:59,240 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:04:59,241 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:04:59,242 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:04:59,243 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:04:59,244 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:04:59,245 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:04:59,247 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:04:59,249 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:04:59,250 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:04:59,251 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:04:59,254 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:04:59,254 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:04:59,254 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:04:59,255 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:04:59,256 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:04:59,257 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:04:59,257 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:04:59,259 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:04:59,259 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:04:59,259 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:04:59,260 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:04:59,260 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:04:59,261 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:04:59,261 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:04:59,262 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:04:59,278 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:04:59,279 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:04:59,280 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:04:59,280 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:04:59,280 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:04:59,280 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:04:59,280 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:04:59,281 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:04:59,281 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:04:59,281 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:04:59,281 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:04:59,281 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:04:59,281 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:04:59,282 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:04:59,282 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:04:59,282 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:04:59,282 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:04:59,282 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:04:59,282 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:04:59,283 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:04:59,283 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:04:59,283 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:04:59,283 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:04:59,283 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:04:59,283 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:04:59,284 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:04:59,284 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:04:59,284 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:04:59,284 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:04:59,284 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:04:59,285 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:04:59,285 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:04:59,286 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 -> d57e8ddb55bdff7b186468e47377e815829f9014 [2019-01-01 23:04:59,328 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:04:59,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:04:59,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:04:59,346 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:04:59,346 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:04:59,347 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call3_true-termination.i [2019-01-01 23:04:59,403 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db05d1285/c554913cd9d54300896ab9602b7eda4b/FLAG6e4936804 [2019-01-01 23:04:59,875 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:04:59,876 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call3_true-termination.i [2019-01-01 23:04:59,883 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db05d1285/c554913cd9d54300896ab9602b7eda4b/FLAG6e4936804 [2019-01-01 23:05:00,199 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db05d1285/c554913cd9d54300896ab9602b7eda4b [2019-01-01 23:05:00,203 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:05:00,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:05:00,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:05:00,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:05:00,214 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:05:00,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:05:00" (1/1) ... [2019-01-01 23:05:00,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75205fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:05:00, skipping insertion in model container [2019-01-01 23:05:00,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:05:00" (1/1) ... [2019-01-01 23:05:00,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:05:00,242 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:05:00,411 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:05:00,416 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:05:00,435 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:05:00,451 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:05:00,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:05:00 WrapperNode [2019-01-01 23:05:00,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:05:00,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:05:00,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:05:00,453 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:05:00,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:05:00" (1/1) ... [2019-01-01 23:05:00,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:05:00" (1/1) ... [2019-01-01 23:05:00,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:05:00,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:05:00,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:05:00,493 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:05:00,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:05:00" (1/1) ... [2019-01-01 23:05:00,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:05:00" (1/1) ... [2019-01-01 23:05:00,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:05:00" (1/1) ... [2019-01-01 23:05:00,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:05:00" (1/1) ... [2019-01-01 23:05:00,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:05:00" (1/1) ... [2019-01-01 23:05:00,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:05:00" (1/1) ... [2019-01-01 23:05:00,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:05:00" (1/1) ... [2019-01-01 23:05:00,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:05:00,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:05:00,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:05:00,516 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:05:00,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:05:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:05:00,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:05:00,937 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:05:00,937 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-01 23:05:00,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:05:00 BoogieIcfgContainer [2019-01-01 23:05:00,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:05:00,938 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:05:00,938 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:05:00,942 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:05:00,943 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:05:00,943 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:05:00" (1/3) ... [2019-01-01 23:05:00,944 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19f8ee52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:05:00, skipping insertion in model container [2019-01-01 23:05:00,945 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:05:00,945 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:05:00" (2/3) ... [2019-01-01 23:05:00,945 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19f8ee52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:05:00, skipping insertion in model container [2019-01-01 23:05:00,945 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:05:00,945 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:05:00" (3/3) ... [2019-01-01 23:05:00,947 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_true-unreach-call3_true-termination.i [2019-01-01 23:05:01,009 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:05:01,010 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:05:01,010 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:05:01,010 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:05:01,010 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:05:01,010 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:05:01,010 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:05:01,010 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:05:01,011 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:05:01,027 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-01 23:05:01,052 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 23:05:01,052 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:05:01,052 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:05:01,060 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 23:05:01,060 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 23:05:01,060 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:05:01,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-01-01 23:05:01,062 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 23:05:01,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:05:01,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:05:01,062 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 23:05:01,063 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 23:05:01,072 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 3#L12-2true [2019-01-01 23:05:01,073 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2019-01-01 23:05:01,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:05:01,080 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-01 23:05:01,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:05:01,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:05:01,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:01,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:05:01,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:01,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:05:01,181 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-01-01 23:05:01,181 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:05:01,181 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:05:01,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:01,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:05:01,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:01,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:05:01,206 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-01-01 23:05:01,206 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:05:01,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:05:01,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:01,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:05:01,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:01,430 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:05:01,431 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:05:01,431 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:05:01,432 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:05:01,432 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:05:01,432 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:01,432 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:05:01,432 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:05:01,433 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2019-01-01 23:05:01,433 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:05:01,433 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:05:01,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:01,765 WARN L181 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-01 23:05:01,863 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:05:01,864 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:01,878 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:05:01,879 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:01,927 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:05:01,927 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:05:14,026 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-01 23:05:14,034 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:05:14,035 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:05:14,035 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:05:14,035 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:05:14,035 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:05:14,035 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:14,035 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:05:14,035 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:05:14,036 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2019-01-01 23:05:14,036 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:05:14,036 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:05:14,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:14,380 WARN L181 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-01 23:05:14,475 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:05:14,482 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:05:14,484 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:14,487 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:14,487 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:14,488 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:14,489 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:14,489 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:05:14,493 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:05:14,494 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:14,513 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:14,513 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 23:05:14,514 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:14,515 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:14,516 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:14,517 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:14,517 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:14,517 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:14,521 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:14,521 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:14,547 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:14,547 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 23:05:14,547 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:14,549 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:14,549 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:14,549 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:14,549 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:14,549 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:14,552 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:14,552 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:14,575 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:14,576 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-01 23:05:14,576 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:14,577 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:14,577 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:14,578 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:14,578 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:14,578 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:14,581 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:14,581 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:14,605 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:14,606 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-01 23:05:14,606 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:14,607 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:14,607 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:14,608 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:14,608 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:14,608 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:14,608 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:14,612 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:14,613 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:14,697 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:14,697 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-01 23:05:14,697 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:14,698 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:14,699 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:05:14,700 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:14,700 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:14,700 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:14,700 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:14,712 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:14,715 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:14,777 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:14,778 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-01 23:05:14,778 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:14,783 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:14,783 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:14,783 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:14,784 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:14,784 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:14,784 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:14,793 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:14,794 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:14,873 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:14,873 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-01 23:05:14,874 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:14,875 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:14,875 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:14,875 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:14,875 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:14,876 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:14,876 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:14,878 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:14,878 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:14,897 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:14,897 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-01 23:05:14,898 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:14,899 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:14,899 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:14,899 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:14,899 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:14,900 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:14,900 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:05:14,904 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:05:14,904 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:14,932 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:15,024 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:05:15,024 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:05:15,024 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:05:15,024 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:05:15,025 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:05:15,025 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:15,025 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:05:15,025 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:05:15,025 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2019-01-01 23:05:15,025 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:05:15,026 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:05:15,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:15,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:15,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:15,346 WARN L181 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-01 23:05:15,394 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:05:15,395 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:15,399 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:05:15,399 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:05:15,407 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:05:15,407 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:15,430 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:05:15,430 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:15,459 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:05:15,459 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:05:27,568 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-01 23:05:27,576 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:05:27,577 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:05:27,577 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:05:27,577 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:05:27,577 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:05:27,577 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:27,577 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:05:27,577 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:05:27,578 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2019-01-01 23:05:27,578 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:05:27,578 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:05:27,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:27,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:27,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:27,848 WARN L181 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-01 23:05:28,186 WARN L181 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2019-01-01 23:05:28,195 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:05:28,195 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:05:28,195 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 [2019-01-01 23:05:28,198 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:28,198 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,198 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,198 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:05:28,205 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:05:28,209 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 23:05:28,229 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,232 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,234 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:28,235 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,235 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,235 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,235 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:05:28,237 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:05:28,238 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,239 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,239 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,241 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:28,242 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,242 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,242 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,242 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:05:28,243 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:05:28,243 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,249 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,252 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 23:05:28,253 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,253 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:28,255 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,255 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,255 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:28,259 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 23:05:28,259 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 23:05:28,277 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,278 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,279 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:28,279 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,279 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,279 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,281 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:28,282 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:28,283 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,283 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,284 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,284 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:28,284 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,286 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,287 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,287 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:28,287 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:28,287 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,289 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,289 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 23:05:28,289 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,290 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:28,290 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,290 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,291 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:28,296 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 23:05:28,296 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 23:05:28,317 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,317 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,319 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:28,319 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,320 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,320 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,320 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:28,320 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:28,321 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,322 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,323 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,324 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:28,324 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,324 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,324 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,324 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:28,326 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:28,327 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,327 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,328 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-01 23:05:28,328 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,329 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:28,329 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,329 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,329 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:28,335 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 23:05:28,335 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 23:05:28,359 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,359 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,361 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:28,361 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,362 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,362 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,362 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:28,362 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:28,363 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,364 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,365 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,365 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:28,365 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,368 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,368 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:28,369 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:28,369 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,370 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,370 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-01 23:05:28,370 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,373 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:28,373 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:28,373 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,373 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,373 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:28,378 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 23:05:28,378 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 23:05:28,439 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,440 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,444 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:28,444 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:28,444 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,444 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,445 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,445 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:28,445 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:28,445 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,447 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,448 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,448 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:28,449 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:28,450 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,451 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,451 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,451 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:28,451 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:28,452 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,453 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,453 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-01 23:05:28,455 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,456 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:28,456 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:05:28,457 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,457 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,457 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:28,462 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 23:05:28,462 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 23:05:28,523 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,523 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,524 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:28,524 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:05:28,524 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,527 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,528 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,530 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:28,531 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:28,531 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,534 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,534 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,536 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:28,536 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:05:28,537 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,537 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,537 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,537 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:28,540 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:28,540 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,541 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,544 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-01 23:05:28,544 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,545 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:28,545 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:28,545 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,546 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,546 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:28,561 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 23:05:28,562 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 23:05:28,711 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,712 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,714 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:28,714 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:28,714 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,714 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,714 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,715 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:28,718 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:28,719 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,720 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,720 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,722 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:28,723 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:28,723 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,723 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,723 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,723 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:28,726 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:28,726 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,728 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,729 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-01 23:05:28,730 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,730 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:28,731 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:28,731 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,731 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,731 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:28,738 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 23:05:28,740 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 23:05:28,773 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,774 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,776 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:28,776 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:28,778 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,778 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,778 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,779 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:28,780 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:28,780 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,781 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,783 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,784 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:28,784 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:28,784 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,787 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,788 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,788 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:28,788 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:28,789 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,791 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,792 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-01 23:05:28,792 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,793 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:28,794 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:28,795 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,795 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,795 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:05:28,800 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-01 23:05:28,801 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-01 23:05:28,898 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,898 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,899 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:28,899 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:28,899 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,902 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,902 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,902 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:05:28,903 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:05:28,903 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,905 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,907 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:28,907 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:28,907 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:28,907 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:28,908 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:28,908 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:28,908 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:05:28,908 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:05:28,909 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:28,913 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:28,914 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-01-01 23:05:28,914 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2019-01-01 23:05:28,914 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2019-01-01 23:05:28,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:05:28,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-01-01 23:05:28,916 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:05:28,916 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:05:28,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:28,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:05:28,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:28,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:05:28,927 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-01-01 23:05:28,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:05:28,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:05:28,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:28,929 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:05:28,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:28,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:05:28,936 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-01-01 23:05:28,936 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:05:28,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:05:28,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:28,937 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:05:28,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:05:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:05:29,117 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:05:29,118 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:05:29,118 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:05:29,118 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:05:29,118 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:05:29,118 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:29,118 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:05:29,118 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:05:29,118 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2019-01-01 23:05:29,118 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:05:29,118 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:05:29,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:29,743 WARN L181 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-01 23:05:29,983 WARN L181 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2019-01-01 23:05:29,984 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:05:29,984 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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:29,995 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:05:29,995 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-01 23:05:30,050 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:05:30,050 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:42,160 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-01 23:05:42,168 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:05:42,168 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:05:42,168 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:05:42,168 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:05:42,168 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:05:42,168 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:42,168 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:05:42,169 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:05:42,169 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2019-01-01 23:05:42,169 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:05:42,169 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:05:42,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:42,482 WARN L181 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2019-01-01 23:05:42,532 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:05:42,532 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:05:42,533 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:42,534 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:42,534 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:42,534 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:42,534 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:42,534 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:05:42,535 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:05:42,535 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:42,544 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:42,545 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 23:05:42,545 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:42,545 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:42,547 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:42,547 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:42,547 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:42,547 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:42,549 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:42,549 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:42,554 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:42,557 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 23:05:42,558 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:42,559 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:42,559 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:42,559 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:42,559 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:42,559 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:42,563 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:42,564 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:42,569 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:42,570 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-01 23:05:42,570 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:42,571 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:42,571 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:42,571 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:42,571 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:42,571 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:42,575 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:42,575 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:42,581 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:42,581 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-01 23:05:42,581 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 [2019-01-01 23:05:42,584 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:42,584 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:42,585 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:42,585 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:42,585 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:42,585 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:42,588 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:42,589 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:42,598 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:42,599 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-01 23:05:42,600 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:42,600 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:42,601 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:05:42,601 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:42,601 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:42,601 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:42,601 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:42,606 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:42,607 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:42,629 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:42,630 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-01 23:05:42,687 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:42,688 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:42,688 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:42,688 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:42,689 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:42,689 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:42,689 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:42,696 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:42,696 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:42,744 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:42,744 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-01 23:05:42,744 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:42,747 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:42,747 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:42,747 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:42,748 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:42,748 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:42,748 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:42,749 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:42,749 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:42,756 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:42,757 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-01 23:05:42,757 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:42,758 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:42,758 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:42,758 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:42,758 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:42,758 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:42,761 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:05:42,764 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:05:42,764 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:42,780 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:42,900 WARN L181 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-01 23:05:42,988 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:05:42,988 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:05:42,988 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:05:42,988 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:05:42,988 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:05:42,988 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:42,988 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:05:42,989 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:05:42,989 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2019-01-01 23:05:42,989 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:05:42,989 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:05:42,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:43,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:43,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:43,250 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:05:43,251 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 [2019-01-01 23:05:43,262 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:05:43,262 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:05:43,277 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:05:43,277 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:43,316 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:05:43,316 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:05:43,333 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:05:43,334 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-01 23:05:43,368 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:05:43,368 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:43,415 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:05:43,415 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:05:55,503 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-01 23:05:55,510 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:05:55,510 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:05:55,511 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:05:55,511 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:05:55,511 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:05:55,511 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:05:55,511 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:05:55,511 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:05:55,511 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2019-01-01 23:05:55,511 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:05:55,511 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:05:55,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:55,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:55,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:05:55,708 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:05:55,709 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:05:55,709 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:55,710 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:55,710 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:55,710 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,711 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,711 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:05:55,711 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:05:55,711 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:55,715 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:55,716 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:55,716 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:55,716 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,716 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,716 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:05:55,721 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:05:55,722 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 23:05:55,733 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:55,735 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:55,735 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:55,735 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:55,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,738 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:05:55,739 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:05:55,739 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:55,740 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:55,741 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 23:05:55,742 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:55,744 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:55,744 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:55,745 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,745 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,745 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:55,745 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:55,745 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:55,748 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:55,749 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:55,749 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:55,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,752 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:55,755 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 23:05:55,755 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 23:05:55,772 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:55,773 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:55,773 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:55,773 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:55,776 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,776 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,776 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:55,776 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:55,777 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:55,777 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:55,777 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 23:05:55,777 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:55,782 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:55,782 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:55,783 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,783 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,783 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:55,784 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:55,784 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:55,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:55,785 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:55,789 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:55,789 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,789 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,789 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:55,794 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 23:05:55,794 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 23:05:55,818 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:55,819 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:55,821 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:55,823 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:55,823 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,823 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,823 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:55,823 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:55,823 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:55,824 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:55,824 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-01 23:05:55,827 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:55,828 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:55,828 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:55,828 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,828 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,829 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:55,834 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:55,834 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:55,835 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:55,836 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:55,836 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:55,838 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,839 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,839 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:55,844 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 23:05:55,844 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 23:05:55,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:55,873 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:55,875 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:05:55,876 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:55,876 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,876 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,876 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:55,876 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:55,880 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:55,882 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:55,882 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-01 23:05:55,882 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:55,886 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:55,887 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:55,887 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:55,887 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,887 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,887 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:55,888 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:55,889 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:55,890 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:55,891 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 [2019-01-01 23:05:55,892 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:55,892 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:55,892 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,892 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,892 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:55,898 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 23:05:55,898 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 23:05:55,932 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:55,933 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:55,935 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:55,935 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:55,935 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:55,935 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,936 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,936 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:05:55,936 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:05:55,936 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:55,940 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:55,940 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-01 23:05:55,941 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:55,942 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:55,942 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:05:55,942 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:55,942 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,943 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,943 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:55,943 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:55,944 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:55,949 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:55,950 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:55,950 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:55,950 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:05:55,951 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:55,954 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:55,954 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:55,959 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 23:05:55,959 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 23:05:56,079 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:56,080 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:56,083 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:56,084 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:05:56,084 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:56,084 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:56,084 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:56,084 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:56,085 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:56,085 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:56,088 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:56,089 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-01 23:05:56,089 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:56,090 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:56,090 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:56,090 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:56,090 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:56,090 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:56,090 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:56,098 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:56,098 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:56,099 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:56,100 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:56,100 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:56,101 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:56,101 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:56,101 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:56,101 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:56,111 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 23:05:56,111 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 23:05:56,274 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:56,275 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:56,275 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:56,276 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:56,278 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:56,278 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:56,278 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:56,278 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:05:56,280 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:05:56,280 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:56,280 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:56,280 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-01 23:05:56,281 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:56,281 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:56,281 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:56,281 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:56,282 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:56,282 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:56,282 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:56,282 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:56,282 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:56,283 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:56,285 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:56,285 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:56,286 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:56,286 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:56,286 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:56,286 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:56,289 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 23:05:56,289 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 23:05:56,326 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:56,327 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:56,328 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:56,328 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:05:56,328 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:56,328 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:56,328 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:56,328 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:05:56,329 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:05:56,329 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:56,336 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:56,336 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-01 23:05:56,336 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:56,337 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:56,337 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:56,337 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:56,337 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:56,337 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:56,341 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:05:56,342 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:05:56,342 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:56,345 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:56,346 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:56,346 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:56,346 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:56,346 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:56,347 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:56,352 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:05:56,360 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-01 23:05:56,364 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-01 23:05:56,530 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:56,530 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:05:56,533 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:05:56,534 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:05:56,534 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:05:56,534 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:05:56,534 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:05:56,534 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:05:56,537 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:05:56,538 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:05:56,548 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:05:56,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:05:56 BoogieIcfgContainer [2019-01-01 23:05:56,569 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:05:56,570 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:05:56,570 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:05:56,571 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:05:56,571 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:05:00" (3/4) ... [2019-01-01 23:05:56,583 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 23:05:56,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:05:56,585 INFO L168 Benchmark]: Toolchain (without parser) took 56382.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.5 MB). Free memory was 951.4 MB in the beginning and 924.6 MB in the end (delta: 26.8 MB). Peak memory consumption was 242.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:05:56,589 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:05:56,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.14 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:05:56,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.10 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:05:56,593 INFO L168 Benchmark]: Boogie Preprocessor took 22.91 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:05:56,593 INFO L168 Benchmark]: RCFGBuilder took 422.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:05:56,598 INFO L168 Benchmark]: BuchiAutomizer took 55631.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 924.6 MB in the end (delta: 190.6 MB). Peak memory consumption was 320.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:05:56,602 INFO L168 Benchmark]: Witness Printer took 13.92 ms. Allocated memory is still 1.2 GB. Free memory is still 924.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:05:56,608 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 247.14 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 39.10 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 22.91 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 422.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 55631.62 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 924.6 MB in the end (delta: 190.6 MB). Peak memory consumption was 320.9 MB. Max. memory is 11.5 GB. * Witness Printer took 13.92 ms. Allocated memory is still 1.2 GB. Free memory is still 924.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 55.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 55.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div644 bol100 ite100 ukn100 eq141 hnf42 smp89 dnf100 smp100 tf102 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 184ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.3s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0;" "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" Loop: "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...