./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-recursive-malloc/rec_strlen_malloc_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/termination-recursive-malloc/rec_strlen_malloc_true-termination.c.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 03de162ccadd41d16dfce723d629801bfe048af4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:24:49,275 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:24:49,280 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:24:49,295 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:24:49,296 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:24:49,297 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:24:49,298 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:24:49,300 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:24:49,302 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:24:49,303 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:24:49,304 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:24:49,305 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:24:49,306 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:24:49,307 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:24:49,308 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:24:49,309 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:24:49,310 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:24:49,312 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:24:49,317 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:24:49,319 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:24:49,320 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:24:49,322 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:24:49,324 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:24:49,324 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:24:49,325 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:24:49,326 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:24:49,327 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:24:49,328 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:24:49,329 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:24:49,330 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:24:49,330 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:24:49,331 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:24:49,331 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:24:49,332 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:24:49,333 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:24:49,334 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:24:49,334 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 23:24:49,351 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:24:49,351 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:24:49,352 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:24:49,352 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:24:49,352 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:24:49,353 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:24:49,353 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:24:49,354 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:24:49,354 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:24:49,354 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:24:49,354 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:24:49,354 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:24:49,354 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:24:49,355 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:24:49,355 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:24:49,355 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:24:49,355 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:24:49,355 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:24:49,356 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:24:49,357 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:24:49,357 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:24:49,358 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:24:49,358 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:24:49,358 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:24:49,358 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:24:49,358 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:24:49,359 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:24:49,360 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:24:49,361 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:24:49,361 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03de162ccadd41d16dfce723d629801bfe048af4 [2018-11-28 23:24:49,421 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:24:49,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:24:49,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:24:49,444 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:24:49,444 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:24:49,445 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-recursive-malloc/rec_strlen_malloc_true-termination.c.i [2018-11-28 23:24:49,511 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c3b87568/bcc6ed6fe59943168459b04e186c54f7/FLAGf1c426a5c [2018-11-28 23:24:49,965 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:24:49,966 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-recursive-malloc/rec_strlen_malloc_true-termination.c.i [2018-11-28 23:24:49,974 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c3b87568/bcc6ed6fe59943168459b04e186c54f7/FLAGf1c426a5c [2018-11-28 23:24:50,346 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c3b87568/bcc6ed6fe59943168459b04e186c54f7 [2018-11-28 23:24:50,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:24:50,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:24:50,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:24:50,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:24:50,358 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:24:50,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:24:50" (1/1) ... [2018-11-28 23:24:50,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d12b4d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:50, skipping insertion in model container [2018-11-28 23:24:50,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:24:50" (1/1) ... [2018-11-28 23:24:50,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:24:50,393 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:24:50,621 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:24:50,640 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:24:50,664 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:24:50,687 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:24:50,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:50 WrapperNode [2018-11-28 23:24:50,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:24:50,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:24:50,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:24:50,690 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:24:50,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:50" (1/1) ... [2018-11-28 23:24:50,719 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:50" (1/1) ... [2018-11-28 23:24:50,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:24:50,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:24:50,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:24:50,745 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:24:50,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:50" (1/1) ... [2018-11-28 23:24:50,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:50" (1/1) ... [2018-11-28 23:24:50,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:50" (1/1) ... [2018-11-28 23:24:50,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:50" (1/1) ... [2018-11-28 23:24:50,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:50" (1/1) ... [2018-11-28 23:24:50,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:50" (1/1) ... [2018-11-28 23:24:50,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:50" (1/1) ... [2018-11-28 23:24:50,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:24:50,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:24:50,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:24:50,781 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:24:50,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:24:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 23:24:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:24:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:24:50,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:24:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 23:24:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure rec_cstrlen [2018-11-28 23:24:50,958 INFO L138 BoogieDeclarations]: Found implementation of procedure rec_cstrlen [2018-11-28 23:24:51,403 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:24:51,403 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-28 23:24:51,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:24:51 BoogieIcfgContainer [2018-11-28 23:24:51,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:24:51,404 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:24:51,405 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:24:51,409 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:24:51,411 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:24:51,411 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:24:50" (1/3) ... [2018-11-28 23:24:51,413 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@307b082f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:24:51, skipping insertion in model container [2018-11-28 23:24:51,416 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:24:51,416 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:24:50" (2/3) ... [2018-11-28 23:24:51,417 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@307b082f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:24:51, skipping insertion in model container [2018-11-28 23:24:51,417 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:24:51,417 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:24:51" (3/3) ... [2018-11-28 23:24:51,421 INFO L375 chiAutomizerObserver]: Analyzing ICFG rec_strlen_malloc_true-termination.c.i [2018-11-28 23:24:51,540 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:24:51,541 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:24:51,541 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:24:51,541 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:24:51,542 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:24:51,542 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:24:51,542 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:24:51,543 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:24:51,543 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:24:51,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-11-28 23:24:51,601 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:24:51,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:24:51,602 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:24:51,612 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:24:51,612 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 23:24:51,612 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:24:51,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2018-11-28 23:24:51,615 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:24:51,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:24:51,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:24:51,616 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:24:51,616 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 23:24:51,626 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 10#L-1true havoc main_#res;havoc main_#t~ret5.base, main_#t~ret5.offset, main_#t~ret6;havoc build_nondet_String_#res.base, build_nondet_String_#res.offset;havoc build_nondet_String_#t~nondet1, build_nondet_String_#t~malloc2.base, build_nondet_String_#t~malloc2.offset, build_nondet_String_~length~0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset;build_nondet_String_~length~0 := build_nondet_String_#t~nondet1;havoc build_nondet_String_#t~nondet1; 12#L11true assume !(build_nondet_String_~length~0 < 1); 9#L11-2true call build_nondet_String_#t~malloc2.base, build_nondet_String_#t~malloc2.offset := #Ultimate.alloc(build_nondet_String_~length~0);build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset := build_nondet_String_#t~malloc2.base, build_nondet_String_#t~malloc2.offset;call write~int(0, build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset + (build_nondet_String_~length~0 - 1), 1);build_nondet_String_#res.base, build_nondet_String_#res.offset := build_nondet_String_~nondetString~0.base, build_nondet_String_~nondetString~0.offset; 3#L16true main_#t~ret5.base, main_#t~ret5.offset := build_nondet_String_#res.base, build_nondet_String_#res.offset; 8#L30true call main_#t~ret6 := rec_cstrlen(main_#t~ret5.base, main_#t~ret5.offset);< 4#rec_cstrlenENTRYtrue [2018-11-28 23:24:51,626 INFO L796 eck$LassoCheckResult]: Loop: 4#rec_cstrlenENTRYtrue ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem3 := read~int(~s.base, ~s.offset, 1); 14#L22true assume !(0 == #t~mem3);havoc #t~mem3; 18#L25true call #t~ret4 := rec_cstrlen(~s.base, 1 + ~s.offset);< 4#rec_cstrlenENTRYtrue [2018-11-28 23:24:51,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:24:51,634 INFO L82 PathProgramCache]: Analyzing trace with hash 889568275, now seen corresponding path program 1 times [2018-11-28 23:24:51,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:24:51,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:24:51,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:24:51,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:24:51,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:24:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:24:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:24:51,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:24:51,782 INFO L82 PathProgramCache]: Analyzing trace with hash 46806, now seen corresponding path program 1 times [2018-11-28 23:24:51,783 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:24:51,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:24:51,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:24:51,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:24:51,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:24:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:24:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:24:51,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:24:51,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1180281220, now seen corresponding path program 1 times [2018-11-28 23:24:51,802 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:24:51,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:24:51,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:24:51,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:24:51,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:24:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:24:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:24:52,012 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-11-28 23:24:52,290 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-28 23:24:52,683 WARN L180 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2018-11-28 23:24:53,019 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-11-28 23:24:53,044 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:24:53,046 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:24:53,046 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:24:53,046 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:24:53,046 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:24:53,046 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:24:53,047 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:24:53,047 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:24:53,047 INFO L131 ssoRankerPreferences]: Filename of dumped script: rec_strlen_malloc_true-termination.c.i_Iteration1_Lasso [2018-11-28 23:24:53,047 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:24:53,049 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:24:53,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:24:53,988 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:24:53,994 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:24:53,998 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,001 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,003 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,003 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,004 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,006 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,009 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:54,009 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,014 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,015 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,016 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,018 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,018 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,022 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,022 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,022 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:54,023 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,024 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,025 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,026 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,027 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,027 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,027 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,027 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,028 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:54,028 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,030 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,030 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,031 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,031 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,031 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,032 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,033 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,033 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:54,033 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,034 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,035 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,035 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,036 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,036 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,036 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,037 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,037 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:54,037 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,039 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,040 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,042 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,042 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,042 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,042 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,045 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:24:54,046 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:24:54,051 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,052 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,052 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,053 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,053 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,053 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,053 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,054 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:54,054 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,055 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,056 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,056 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,057 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,057 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,057 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,057 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,058 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:54,058 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,059 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,060 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,060 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,061 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,061 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,061 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,061 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,062 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:54,062 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,063 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,064 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,064 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,064 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,065 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,065 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,065 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,065 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:54,066 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,067 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,067 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,068 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,068 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,068 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,068 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,068 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,069 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:54,069 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,070 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,071 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,071 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,071 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,072 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,072 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,072 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,073 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:54,073 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,074 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,075 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,075 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,076 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,076 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,076 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,076 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,077 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:54,077 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,078 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,079 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,079 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,079 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,080 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,080 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,080 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,081 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:54,081 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,082 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,083 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,083 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,084 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,084 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,084 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,087 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:24:54,087 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:24:54,091 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,092 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,093 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,093 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,093 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,093 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,093 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,094 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:54,094 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,096 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,096 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,097 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,097 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,097 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,098 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,098 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,098 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:54,099 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,100 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,101 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,101 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,102 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,102 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,102 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,102 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,105 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:24:54,106 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,107 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,108 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,110 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,111 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:24:54,111 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,111 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:24:54,111 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,115 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:24:54,116 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:24:54,124 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,125 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,126 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,126 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-28 23:24:54,126 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,126 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,131 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:24:54,132 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:24:54,147 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,148 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,150 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,150 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,151 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,151 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,154 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:24:54,155 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:24:54,169 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,170 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,171 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,171 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,171 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,171 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,175 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:24:54,175 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:24:54,180 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:24:54,181 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:24:54,181 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:24:54,183 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:24:54,183 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:24:54,183 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:24:54,187 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:24:54,187 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:24:54,223 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:24:54,254 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:24:54,254 INFO L444 ModelExtractionUtils]: 6 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 23:24:54,258 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:24:54,264 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 23:24:54,264 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:24:54,270 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length rec_cstrlen_#in~s.base)_1, rec_cstrlen_#in~s.offset) = 1*v_rep(select #length rec_cstrlen_#in~s.base)_1 - 1*rec_cstrlen_#in~s.offset Supporting invariants [] [2018-11-28 23:24:54,277 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2018-11-28 23:24:54,287 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-28 23:24:54,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:24:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:24:54,381 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:24:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:24:54,405 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:24:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:24:54,507 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 23:24:54,509 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2018-11-28 23:24:54,640 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 31 states and 36 transitions. Complement of second has 8 states. [2018-11-28 23:24:54,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 23:24:54,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 23:24:54,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2018-11-28 23:24:54,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2018-11-28 23:24:54,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:24:54,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2018-11-28 23:24:54,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:24:54,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2018-11-28 23:24:54,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:24:54,656 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 36 transitions. [2018-11-28 23:24:54,660 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:24:54,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2018-11-28 23:24:54,666 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:24:54,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:24:54,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:24:54,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:24:54,667 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:24:54,667 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:24:54,667 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:24:54,667 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:24:54,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:24:54,668 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:24:54,668 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:24:54,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:24:54 BoogieIcfgContainer [2018-11-28 23:24:54,674 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:24:54,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:24:54,675 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:24:54,675 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:24:54,675 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:24:51" (3/4) ... [2018-11-28 23:24:54,679 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:24:54,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:24:54,680 INFO L168 Benchmark]: Toolchain (without parser) took 4329.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 951.3 MB in the beginning and 957.1 MB in the end (delta: -5.7 MB). Peak memory consumption was 135.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:24:54,682 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:24:54,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.88 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. [2018-11-28 23:24:54,684 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.29 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:24:54,684 INFO L168 Benchmark]: Boogie Preprocessor took 34.86 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:24:54,685 INFO L168 Benchmark]: RCFGBuilder took 623.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:24:54,686 INFO L168 Benchmark]: BuchiAutomizer took 3269.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.1 MB in the end (delta: 158.2 MB). Peak memory consumption was 158.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:24:54,689 INFO L168 Benchmark]: Witness Printer took 4.95 ms. Allocated memory is still 1.2 GB. Free memory is still 957.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:24:54,696 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.88 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 55.29 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 34.86 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 623.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -180.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3269.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.1 MB in the end (delta: 158.2 MB). Peak memory consumption was 158.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.95 ms. Allocated memory is still 1.2 GB. Free memory is still 957.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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 unknown-#length-unknown[s] + -1 * s and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 11 SDtfs, 13 SDslu, 3 SDs, 0 SdLazy, 10 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital85 mio100 ax100 hnf100 lsp92 ukn63 mio100 lsp54 div100 bol100 ite100 ukn100 eq166 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...