./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive/EvenOdd01_true-unreach-call_true-no-overflow_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/EvenOdd01_true-unreach-call_true-no-overflow_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer --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 bec5669c6fe02e51518958076fea4487ada345cf ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:49:21,814 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:49:21,815 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:49:21,823 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:49:21,823 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:49:21,823 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:49:21,824 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:49:21,825 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:49:21,826 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:49:21,827 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:49:21,827 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:49:21,828 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:49:21,828 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:49:21,829 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:49:21,830 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:49:21,830 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:49:21,831 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:49:21,832 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:49:21,833 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:49:21,834 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:49:21,835 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:49:21,836 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:49:21,837 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:49:21,837 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:49:21,838 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:49:21,838 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:49:21,839 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:49:21,839 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:49:21,840 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:49:21,841 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:49:21,841 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:49:21,841 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:49:21,841 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:49:21,842 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:49:21,842 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:49:21,843 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:49:21,843 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:49:21,854 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:49:21,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:49:21,855 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:49:21,855 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:49:21,855 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:49:21,855 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:49:21,855 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:49:21,855 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:49:21,855 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:49:21,856 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:49:21,856 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:49:21,856 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:49:21,856 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:49:21,856 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:49:21,856 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:49:21,856 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:49:21,856 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:49:21,856 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:49:21,856 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:49:21,857 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:49:21,857 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:49:21,857 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:49:21,857 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:49:21,857 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:49:21,857 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:49:21,857 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:49:21,857 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:49:21,857 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:49:21,857 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:49:21,858 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:49:21,858 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:49:21,858 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:49:21,858 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer 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 -> bec5669c6fe02e51518958076fea4487ada345cf [2018-11-28 12:49:21,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:49:21,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:49:21,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:49:21,890 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:49:21,890 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:49:21,891 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/../../sv-benchmarks/c/recursive/EvenOdd01_true-unreach-call_true-no-overflow_true-termination.c [2018-11-28 12:49:21,926 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/data/d1fc7af9a/066b9fa9b9134f1b8eb864e0d281ce54/FLAGa2d296bb9 [2018-11-28 12:49:22,317 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:49:22,317 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/sv-benchmarks/c/recursive/EvenOdd01_true-unreach-call_true-no-overflow_true-termination.c [2018-11-28 12:49:22,322 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/data/d1fc7af9a/066b9fa9b9134f1b8eb864e0d281ce54/FLAGa2d296bb9 [2018-11-28 12:49:22,335 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/data/d1fc7af9a/066b9fa9b9134f1b8eb864e0d281ce54 [2018-11-28 12:49:22,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:49:22,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:49:22,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:49:22,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:49:22,342 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:49:22,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:49:22" (1/1) ... [2018-11-28 12:49:22,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4c1343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:22, skipping insertion in model container [2018-11-28 12:49:22,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:49:22" (1/1) ... [2018-11-28 12:49:22,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:49:22,365 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:49:22,475 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:49:22,477 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:49:22,488 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:49:22,498 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:49:22,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:22 WrapperNode [2018-11-28 12:49:22,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:49:22,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:49:22,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:49:22,499 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:49:22,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:22" (1/1) ... [2018-11-28 12:49:22,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:22" (1/1) ... [2018-11-28 12:49:22,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:49:22,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:49:22,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:49:22,518 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:49:22,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:22" (1/1) ... [2018-11-28 12:49:22,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:22" (1/1) ... [2018-11-28 12:49:22,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:22" (1/1) ... [2018-11-28 12:49:22,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:22" (1/1) ... [2018-11-28 12:49:22,525 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:22" (1/1) ... [2018-11-28 12:49:22,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:22" (1/1) ... [2018-11-28 12:49:22,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:22" (1/1) ... [2018-11-28 12:49:22,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:49:22,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:49:22,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:49:22,529 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:49:22,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/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 12:49:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2018-11-28 12:49:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2018-11-28 12:49:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2018-11-28 12:49:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2018-11-28 12:49:22,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:49:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:49:22,710 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:49:22,711 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-28 12:49:22,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:49:22 BoogieIcfgContainer [2018-11-28 12:49:22,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:49:22,711 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:49:22,712 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:49:22,715 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:49:22,716 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:49:22,716 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:49:22" (1/3) ... [2018-11-28 12:49:22,717 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c5c0784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:49:22, skipping insertion in model container [2018-11-28 12:49:22,717 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:49:22,717 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:49:22" (2/3) ... [2018-11-28 12:49:22,717 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c5c0784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:49:22, skipping insertion in model container [2018-11-28 12:49:22,717 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:49:22,718 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:49:22" (3/3) ... [2018-11-28 12:49:22,719 INFO L375 chiAutomizerObserver]: Analyzing ICFG EvenOdd01_true-unreach-call_true-no-overflow_true-termination.c [2018-11-28 12:49:22,764 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:49:22,765 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:49:22,765 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:49:22,765 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:49:22,765 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:49:22,765 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:49:22,765 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:49:22,765 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:49:22,765 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:49:22,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2018-11-28 12:49:22,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2018-11-28 12:49:22,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:49:22,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:49:22,806 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 12:49:22,806 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:22,806 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:49:22,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2018-11-28 12:49:22,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2018-11-28 12:49:22,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:49:22,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:49:22,809 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 12:49:22,809 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:49:22,814 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet2, main_#t~ret3, main_~n~0, main_~result~0, main_~mod~0;main_~n~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L39true assume !(main_~n~0 < 0); 13#L42true call main_#t~ret3 := isOdd(main_~n~0);< 22#isOddENTRYtrue [2018-11-28 12:49:22,814 INFO L796 eck$LassoCheckResult]: Loop: 22#isOddENTRYtrue ~n := #in~n; 20#L17true assume !(0 == ~n); 14#L19true assume !(1 == ~n); 7#L22true call #t~ret0 := isEven(~n - 1);< 9#isEvenENTRYtrue ~n := #in~n; 6#L27true assume !(0 == ~n); 10#L29true assume !(1 == ~n); 23#L32true call #t~ret1 := isOdd(~n - 1);< 22#isOddENTRYtrue [2018-11-28 12:49:22,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:22,818 INFO L82 PathProgramCache]: Analyzing trace with hash 54793, now seen corresponding path program 1 times [2018-11-28 12:49:22,820 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:22,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:22,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:22,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:22,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:49:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:49:22,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:22,882 INFO L82 PathProgramCache]: Analyzing trace with hash -439264315, now seen corresponding path program 1 times [2018-11-28 12:49:22,882 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:22,882 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:22,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:22,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:22,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:49:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:49:22,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:22,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1128289843, now seen corresponding path program 1 times [2018-11-28 12:49:22,896 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:49:22,897 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:49:22,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:22,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:49:22,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:49:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:49:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:49:23,053 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:49:23,054 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:49:23,054 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:49:23,054 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:49:23,054 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:49:23,054 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:49:23,055 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:49:23,055 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:49:23,055 INFO L131 ssoRankerPreferences]: Filename of dumped script: EvenOdd01_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2018-11-28 12:49:23,055 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:49:23,055 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:49:23,068 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 12:49:23,072 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 12:49:23,074 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 12:49:23,075 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 12:49:23,077 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 12:49:23,085 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 12:49:23,089 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 12:49:23,095 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 12:49:23,230 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:49:23,231 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:49:23,234 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:49:23,234 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:49:23,240 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:49:23,241 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_~n=0} Honda state: {isEven_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:49:23,256 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:49:23,256 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:49:23,262 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:49:23,262 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#in~n=0} Honda state: {isEven_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:49:23,277 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:49:23,277 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:49:23,280 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:49:23,280 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#t~ret0=0} Honda state: {isOdd_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:49:23,299 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:49:23,299 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:49:23,301 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:49:23,302 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#res=0} Honda state: {isOdd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:49:23,326 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:49:23,326 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:49:23,350 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:49:23,350 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:49:23,390 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:49:23,391 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#in~n=-7} Honda state: {isOdd_#in~n=-7} Generalized eigenvectors: [{isOdd_#in~n=-1}, {isOdd_#in~n=-1}, {isOdd_#in~n=0}] Lambdas: [1, 1, 3] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:49:23,405 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:49:23,405 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:49:23,407 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:49:23,407 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#res=0} Honda state: {isEven_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:49:23,422 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:49:23,422 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:49:23,424 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:49:23,424 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#t~ret1=0} Honda state: {isEven_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/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 [2018-11-28 12:49:23,438 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:49:23,438 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:49:23,440 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:49:23,440 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_~n=0} Honda state: {isOdd_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2018-11-28 12:49:23,463 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:49:23,464 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:49:23,464 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:49:23,464 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:49:23,464 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:49:23,464 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:49:23,464 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:49:23,464 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:49:23,464 INFO L131 ssoRankerPreferences]: Filename of dumped script: EvenOdd01_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Lasso [2018-11-28 12:49:23,464 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:49:23,464 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:49:23,465 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 12:49:23,480 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 12:49:23,486 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 12:49:23,487 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 12:49:23,489 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 12:49:23,491 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 12:49:23,493 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 12:49:23,501 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 12:49:23,504 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 12:49:23,506 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 12:49:23,508 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 12:49:23,509 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 12:49:23,525 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 12:49:23,530 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 12:49:23,533 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 12:49:23,626 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:49:23,626 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/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 [2018-11-28 12:49:23,638 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:49:23,638 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22438377-a6ec-4959-b792-ef0fcb343174/bin-2019/uautomizer/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 [2018-11-28 12:49:23,661 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:49:23,661 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:49:23,749 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 12:49:23,750 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:49:23,750 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:49:23,751 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:49:23,751 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:49:23,751 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:49:23,751 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:49:23,751 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:49:23,751 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:49:23,751 INFO L131 ssoRankerPreferences]: Filename of dumped script: EvenOdd01_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Lasso [2018-11-28 12:49:23,751 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:49:23,751 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:49:23,753 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 12:49:23,754 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 12:49:23,761 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 12:49:23,763 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 12:49:23,764 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 12:49:23,766 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 12:49:23,768 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 12:49:23,770 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 12:49:23,772 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 12:49:23,773 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 12:49:23,774 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 12:49:23,777 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 12:49:23,779 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 12:49:23,781 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 12:49:23,783 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 12:49:23,862 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:49:23,865 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:49:23,866 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 12:49:23,867 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:49:23,868 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:49:23,868 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:49:23,868 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:49:23,868 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:49:23,870 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:49:23,870 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:49:23,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:49:23,872 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 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 12:49:23,873 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:49:23,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:49:23,873 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 12:49:23,873 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:49:23,879 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-11-28 12:49:23,879 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 12:49:23,952 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 12:49:23,973 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-28 12:49:23,973 INFO L444 ModelExtractionUtils]: 5 out of 11 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-11-28 12:49:23,974 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 12:49:23,978 INFO L440 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2018-11-28 12:49:23,979 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 12:49:23,979 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(isOdd_#in~n) = 1*isOdd_#in~n Supporting invariants [1*isOdd_#in~n >= 0] [2018-11-28 12:49:23,985 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2018-11-28 12:49:24,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:49:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:24,021 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:49:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:49:24,056 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:49:24,137 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 12:49:24,146 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 [2018-11-28 12:49:24,147 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states. Second operand 8 states. [2018-11-28 12:49:24,322 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states.. Second operand 8 states. Result 87 states and 98 transitions. Complement of second has 29 states. [2018-11-28 12:49:24,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2018-11-28 12:49:24,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-11-28 12:49:24,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 37 transitions. [2018-11-28 12:49:24,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 3 letters. Loop has 8 letters. [2018-11-28 12:49:24,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:49:24,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 11 letters. Loop has 8 letters. [2018-11-28 12:49:24,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:49:24,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 3 letters. Loop has 16 letters. [2018-11-28 12:49:24,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 12:49:24,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 98 transitions. [2018-11-28 12:49:24,334 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:49:24,336 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 0 states and 0 transitions. [2018-11-28 12:49:24,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 12:49:24,336 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 12:49:24,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 12:49:24,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:49:24,337 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:49:24,337 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:49:24,337 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:49:24,337 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:49:24,338 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:49:24,338 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 12:49:24,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 12:49:24,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:49:24 BoogieIcfgContainer [2018-11-28 12:49:24,342 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:49:24,342 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:49:24,342 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:49:24,342 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:49:24,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:49:22" (3/4) ... [2018-11-28 12:49:24,345 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:49:24,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:49:24,345 INFO L168 Benchmark]: Toolchain (without parser) took 2007.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 952.2 MB in the beginning and 882.0 MB in the end (delta: 70.2 MB). Peak memory consumption was 224.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:24,346 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:49:24,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 159.19 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:24,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.01 ms. Allocated memory is still 1.0 GB. Free memory is still 941.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:49:24,347 INFO L168 Benchmark]: Boogie Preprocessor took 10.52 ms. Allocated memory is still 1.0 GB. Free memory was 941.5 MB in the beginning and 938.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:24,348 INFO L168 Benchmark]: RCFGBuilder took 182.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -199.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:24,348 INFO L168 Benchmark]: BuchiAutomizer took 1630.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 885.3 MB in the end (delta: 252.9 MB). Peak memory consumption was 252.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:24,348 INFO L168 Benchmark]: Witness Printer took 2.93 ms. Allocated memory is still 1.2 GB. Free memory was 885.3 MB in the beginning and 882.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:49:24,351 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 159.19 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.5 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 19.01 ms. Allocated memory is still 1.0 GB. Free memory is still 941.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.52 ms. Allocated memory is still 1.0 GB. Free memory was 941.5 MB in the beginning and 938.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 182.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -199.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1630.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 885.3 MB in the end (delta: 252.9 MB). Peak memory consumption was 252.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.93 ms. Allocated memory is still 1.2 GB. Free memory was 885.3 MB in the beginning and 882.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. 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(n) and consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 15 SDtfs, 29 SDslu, 22 SDs, 0 SdLazy, 96 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq190 hnf97 smp100 dnf483 smp16 tf101 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 106ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...