./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/recursive-simple/id2_i5_o5_true-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/recursive-simple/id2_i5_o5_true-unreach-call_true-termination.c -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 9448a6696b4991e038dda55623feb6ffc9366da0 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:34:42,317 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:34:42,319 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:34:42,337 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:34:42,337 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:34:42,340 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:34:42,342 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:34:42,345 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:34:42,348 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:34:42,351 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:34:42,352 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:34:42,352 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:34:42,354 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:34:42,356 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:34:42,360 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:34:42,361 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:34:42,362 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:34:42,374 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:34:42,376 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:34:42,378 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:34:42,379 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:34:42,380 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:34:42,383 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:34:42,383 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:34:42,383 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:34:42,384 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:34:42,385 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:34:42,386 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:34:42,387 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:34:42,388 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:34:42,388 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:34:42,389 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:34:42,389 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:34:42,389 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:34:42,390 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:34:42,391 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:34:42,391 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:34:42,407 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:34:42,407 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:34:42,408 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:34:42,408 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:34:42,408 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:34:42,409 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:34:42,409 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:34:42,409 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:34:42,409 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:34:42,409 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:34:42,409 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:34:42,410 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:34:42,410 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:34:42,410 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:34:42,410 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:34:42,410 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:34:42,410 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:34:42,411 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:34:42,411 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:34:42,411 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:34:42,411 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:34:42,411 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:34:42,411 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:34:42,412 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:34:42,412 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:34:42,412 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:34:42,412 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:34:42,412 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:34:42,412 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:34:42,413 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:34:42,413 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:34:42,414 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:34:42,417 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 -> 9448a6696b4991e038dda55623feb6ffc9366da0 [2019-01-14 04:34:42,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:34:42,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:34:42,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:34:42,509 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:34:42,510 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:34:42,510 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/recursive-simple/id2_i5_o5_true-unreach-call_true-termination.c [2019-01-14 04:34:42,580 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0124a8922/7772331b8383433d918ab2ab81268b7e/FLAGc6452ec7f [2019-01-14 04:34:43,099 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:34:43,100 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/recursive-simple/id2_i5_o5_true-unreach-call_true-termination.c [2019-01-14 04:34:43,105 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0124a8922/7772331b8383433d918ab2ab81268b7e/FLAGc6452ec7f [2019-01-14 04:34:43,430 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0124a8922/7772331b8383433d918ab2ab81268b7e [2019-01-14 04:34:43,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:34:43,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:34:43,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:34:43,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:34:43,438 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:34:43,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:34:43" (1/1) ... [2019-01-14 04:34:43,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fbb653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:34:43, skipping insertion in model container [2019-01-14 04:34:43,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:34:43" (1/1) ... [2019-01-14 04:34:43,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:34:43,469 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:34:43,694 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:34:43,702 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:34:43,723 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:34:43,741 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:34:43,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:34:43 WrapperNode [2019-01-14 04:34:43,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:34:43,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:34:43,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:34:43,742 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:34:43,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:34:43" (1/1) ... [2019-01-14 04:34:43,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:34:43" (1/1) ... [2019-01-14 04:34:43,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:34:43,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:34:43,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:34:43,786 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:34:43,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:34:43" (1/1) ... [2019-01-14 04:34:43,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:34:43" (1/1) ... [2019-01-14 04:34:43,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:34:43" (1/1) ... [2019-01-14 04:34:43,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:34:43" (1/1) ... [2019-01-14 04:34:43,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:34:43" (1/1) ... [2019-01-14 04:34:43,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:34:43" (1/1) ... [2019-01-14 04:34:43,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:34:43" (1/1) ... [2019-01-14 04:34:43,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:34:43,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:34:43,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:34:43,813 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:34:43,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:34:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2019-01-14 04:34:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2019-01-14 04:34:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:34:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:34:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-01-14 04:34:43,947 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-01-14 04:34:44,176 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:34:44,177 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-14 04:34:44,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:34:44 BoogieIcfgContainer [2019-01-14 04:34:44,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:34:44,180 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:34:44,181 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:34:44,186 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:34:44,187 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:34:44,187 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:34:43" (1/3) ... [2019-01-14 04:34:44,188 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49b67941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:34:44, skipping insertion in model container [2019-01-14 04:34:44,189 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:34:44,189 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:34:43" (2/3) ... [2019-01-14 04:34:44,189 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49b67941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:34:44, skipping insertion in model container [2019-01-14 04:34:44,190 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:34:44,190 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:34:44" (3/3) ... [2019-01-14 04:34:44,198 INFO L375 chiAutomizerObserver]: Analyzing ICFG id2_i5_o5_true-unreach-call_true-termination.c [2019-01-14 04:34:44,288 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:34:44,289 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:34:44,289 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:34:44,289 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:34:44,289 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:34:44,289 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:34:44,289 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:34:44,289 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:34:44,290 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:34:44,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-01-14 04:34:44,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-14 04:34:44,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:34:44,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:34:44,352 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 04:34:44,352 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:34:44,352 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:34:44,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states. [2019-01-14 04:34:44,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-14 04:34:44,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:34:44,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:34:44,356 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 04:34:44,356 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:34:44,365 INFO L794 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret2, main_~input~0, main_~result~0;main_~input~0 := 5; 11#L19true call main_#t~ret2 := id(main_~input~0);< 20#idENTRYtrue [2019-01-14 04:34:44,366 INFO L796 eck$LassoCheckResult]: Loop: 20#idENTRYtrue ~x := #in~x; 14#L8true assume !(0 == ~x); 13#L9true call #t~ret0 := id2(~x - 1);< 10#id2ENTRYtrue ~x := #in~x; 8#L13true assume !(0 == ~x); 5#L14true call #t~ret1 := id(~x - 1);< 20#idENTRYtrue [2019-01-14 04:34:44,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:34:44,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1272, now seen corresponding path program 1 times [2019-01-14 04:34:44,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:34:44,375 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:34:44,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:34:44,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:34:44,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:34:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:34:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:34:44,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:34:44,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1542369597, now seen corresponding path program 1 times [2019-01-14 04:34:44,481 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:34:44,481 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:34:44,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:34:44,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:34:44,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:34:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:34:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:34:44,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:34:44,503 INFO L82 PathProgramCache]: Analyzing trace with hash -16850700, now seen corresponding path program 1 times [2019-01-14 04:34:44,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:34:44,504 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:34:44,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:34:44,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:34:44,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:34:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:34:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:34:44,813 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:34:44,815 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:34:44,817 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:34:44,818 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:34:44,818 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 04:34:44,818 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:44,818 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:34:44,818 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:34:44,819 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_true-unreach-call_true-termination.c_Iteration1_Loop [2019-01-14 04:34:44,819 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:34:44,820 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:34:44,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:44,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:44,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:44,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:44,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:44,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:44,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:44,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:45,300 WARN L181 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 16 [2019-01-14 04:34:45,365 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:34:45,366 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:45,380 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:34:45,381 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:34:45,401 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:34:45,402 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:45,431 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:34:45,431 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:45,458 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 04:34:45,458 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:34:45,505 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:34:45,505 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-5} Honda state: {id_#in~x=-5} Generalized eigenvectors: [{id_#in~x=0}, {id_#in~x=0}, {id_#in~x=-2}] Lambdas: [1, 7, 1] Nus: [0, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:45,528 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:34:45,528 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:34:45,535 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:34:45,536 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_~x=0} Honda state: {id2_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:45,559 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:34:45,559 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:34:45,578 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:34:45,579 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-14 04:34:45,620 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:34:45,620 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:45,635 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:34:45,635 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-14 04:34:45,671 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:34:45,671 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:45,677 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:34:45,677 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret1=0} Honda state: {id2_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:45,699 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:34:45,699 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:34:45,718 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:34:45,719 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=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 [2019-01-14 04:34:45,741 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:34:45,742 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:34:45,746 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:34:45,746 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#res=0} Honda state: {id2_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-01-14 04:34:45,832 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:34:45,832 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:34:45,832 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:34:45,832 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:34:45,833 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 04:34:45,833 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:45,833 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:34:45,833 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:34:45,833 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_true-unreach-call_true-termination.c_Iteration1_Lasso [2019-01-14 04:34:45,833 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:34:45,833 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:34:45,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:45,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:45,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:45,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:45,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:45,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:45,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:45,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:45,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:45,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:45,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:45,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:45,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:46,783 WARN L181 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 16 [2019-01-14 04:34:46,799 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:34:46,799 INFO L412 LassoAnalysis]: Checking for nontermination... 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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:46,802 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:34:46,803 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:34:46,807 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:34:46,807 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#in~x=0} Honda state: {id2_#in~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 [2019-01-14 04:34:46,829 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:34:46,830 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:34:46,838 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:34:46,838 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 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:46,860 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:34:46,860 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:34:46,864 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:34:46,864 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id2_#t~ret1=0} Honda state: {id2_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:46,886 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:34:46,887 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:34:46,889 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:34:46,890 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~input~0=0} Honda state: {ULTIMATE.start_main_~input~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:46,912 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:34:46,912 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:46,959 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 04:34:46,959 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:34:47,014 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 04:34:47,016 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:34:47,016 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:34:47,016 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:34:47,017 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:34:47,017 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 04:34:47,017 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:34:47,017 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:34:47,017 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:34:47,017 INFO L131 ssoRankerPreferences]: Filename of dumped script: id2_i5_o5_true-unreach-call_true-termination.c_Iteration1_Lasso [2019-01-14 04:34:47,017 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:34:47,018 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:34:47,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:47,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:47,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:47,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:47,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:47,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:47,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:47,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:47,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:47,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:47,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:47,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:47,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:34:47,412 WARN L181 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 16 [2019-01-14 04:34:47,429 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:34:47,436 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 04:34:47,439 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:34:47,441 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:34:47,442 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:34:47,443 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:34:47,443 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:34:47,443 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:34:47,447 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:34:47,448 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:34:47,451 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:34:47,451 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:34:47,452 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:34:47,452 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:34:47,453 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:34:47,453 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:34:47,453 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:34:47,453 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:34:47,454 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:34:47,455 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:34:47,455 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 [2019-01-14 04:34:47,456 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:34:47,456 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:34:47,456 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:34:47,456 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:34:47,456 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:34:47,457 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:34:47,457 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:34:47,459 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:34:47,459 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:34:47,460 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:34:47,460 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:34:47,460 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:34:47,460 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:34:47,461 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:34:47,461 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:34:47,461 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:34:47,462 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:34:47,463 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:34:47,463 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:34:47,463 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:34:47,464 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-14 04:34:47,464 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:34:47,473 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-01-14 04:34:47,473 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-14 04:34:47,623 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 04:34:47,665 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 04:34:47,665 INFO L444 ModelExtractionUtils]: 5 out of 11 variables were initially zero. Simplification set additionally 3 variables to zero. [2019-01-14 04:34:47,671 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 04:34:47,681 INFO L440 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-01-14 04:34:47,682 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 04:34:47,682 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2019-01-14 04:34:47,690 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-01-14 04:34:47,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:34:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:34:47,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:34:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:34:47,849 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:34:48,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:34:48,172 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2019-01-14 04:34:48,173 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states. Second operand 8 states. [2019-01-14 04:34:48,522 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states.. Second operand 8 states. Result 54 states and 61 transitions. Complement of second has 23 states. [2019-01-14 04:34:48,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2019-01-14 04:34:48,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-01-14 04:34:48,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 15 transitions. [2019-01-14 04:34:48,528 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 2 letters. Loop has 6 letters. [2019-01-14 04:34:48,529 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:34:48,529 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 8 letters. Loop has 6 letters. [2019-01-14 04:34:48,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:34:48,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 15 transitions. Stem has 2 letters. Loop has 12 letters. [2019-01-14 04:34:48,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:34:48,531 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 61 transitions. [2019-01-14 04:34:48,537 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:34:48,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2019-01-14 04:34:48,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 04:34:48,542 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 04:34:48,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 04:34:48,542 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:34:48,543 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:34:48,543 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:34:48,543 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:34:48,543 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:34:48,543 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 04:34:48,543 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:34:48,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 04:34:48,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:34:48 BoogieIcfgContainer [2019-01-14 04:34:48,550 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:34:48,551 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:34:48,551 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:34:48,551 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:34:48,552 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:34:44" (3/4) ... [2019-01-14 04:34:48,555 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 04:34:48,555 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:34:48,555 INFO L168 Benchmark]: Toolchain (without parser) took 5122.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 951.3 MB in the beginning and 827.4 MB in the end (delta: 123.9 MB). Peak memory consumption was 240.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:34:48,557 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. [2019-01-14 04:34:48,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.60 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:34:48,558 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.39 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:34:48,559 INFO L168 Benchmark]: Boogie Preprocessor took 26.48 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:34:48,559 INFO L168 Benchmark]: RCFGBuilder took 367.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -146.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-01-14 04:34:48,562 INFO L168 Benchmark]: BuchiAutomizer took 4370.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 827.4 MB in the end (delta: 259.2 MB). Peak memory consumption was 259.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:34:48,563 INFO L168 Benchmark]: Witness Printer took 3.90 ms. Allocated memory is still 1.1 GB. Free memory is still 827.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:34:48,571 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 306.60 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 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 43.39 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 26.48 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 367.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -146.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4370.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 827.4 MB in the end (delta: 259.2 MB). Peak memory consumption was 259.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.90 ms. Allocated memory is still 1.1 GB. Free memory is still 827.4 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 Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(x) and consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 18 SDslu, 16 SDs, 0 SdLazy, 59 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq201 hnf97 smp100 dnf250 smp42 tf101 neg94 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 219ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...