./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/nested_structure_true-termination.c_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_908056f6-76a6-4ab0-9715-0fea63f4c23d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_908056f6-76a6-4ab0-9715-0fea63f4c23d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_908056f6-76a6-4ab0-9715-0fea63f4c23d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_908056f6-76a6-4ab0-9715-0fea63f4c23d/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/nested_structure_true-termination.c_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_908056f6-76a6-4ab0-9715-0fea63f4c23d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_908056f6-76a6-4ab0-9715-0fea63f4c23d/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 d90463d8e0cbd052bb21c654ec3e821e0001fc9b ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:06:26,848 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:06:26,849 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:06:26,857 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:06:26,857 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:06:26,857 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:06:26,858 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:06:26,859 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:06:26,860 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:06:26,861 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:06:26,861 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:06:26,862 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:06:26,862 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:06:26,863 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:06:26,864 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:06:26,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:06:26,865 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:06:26,866 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:06:26,867 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:06:26,868 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:06:26,869 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:06:26,870 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:06:26,871 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:06:26,872 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:06:26,872 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:06:26,872 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:06:26,873 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:06:26,874 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:06:26,874 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:06:26,875 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:06:26,875 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:06:26,876 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:06:26,876 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:06:26,876 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:06:26,876 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:06:26,877 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:06:26,877 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_908056f6-76a6-4ab0-9715-0fea63f4c23d/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-22 22:06:26,888 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:06:26,888 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:06:26,889 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:06:26,889 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:06:26,889 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 22:06:26,889 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-22 22:06:26,889 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-22 22:06:26,890 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-22 22:06:26,890 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-22 22:06:26,890 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-22 22:06:26,890 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-22 22:06:26,890 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:06:26,890 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:06:26,890 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 22:06:26,890 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:06:26,890 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:06:26,890 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:06:26,891 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-22 22:06:26,891 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-22 22:06:26,891 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-22 22:06:26,891 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:06:26,891 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:06:26,891 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-22 22:06:26,891 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:06:26,891 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-22 22:06:26,891 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:06:26,892 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:06:26,892 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-22 22:06:26,892 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:06:26,892 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 22:06:26,892 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-22 22:06:26,892 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-22 22:06:26,892 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_908056f6-76a6-4ab0-9715-0fea63f4c23d/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 -> d90463d8e0cbd052bb21c654ec3e821e0001fc9b [2018-11-22 22:06:26,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:06:26,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:06:26,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:06:26,927 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:06:26,927 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:06:26,928 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_908056f6-76a6-4ab0-9715-0fea63f4c23d/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-regression/nested_structure_true-termination.c_true-unreach-call.i [2018-11-22 22:06:26,963 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_908056f6-76a6-4ab0-9715-0fea63f4c23d/bin-2019/uautomizer/data/62185c1b1/7296fa7b65194b25b633b250bbceab55/FLAG83d9c0828 [2018-11-22 22:06:27,272 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:06:27,273 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_908056f6-76a6-4ab0-9715-0fea63f4c23d/sv-benchmarks/c/ldv-regression/nested_structure_true-termination.c_true-unreach-call.i [2018-11-22 22:06:27,276 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_908056f6-76a6-4ab0-9715-0fea63f4c23d/bin-2019/uautomizer/data/62185c1b1/7296fa7b65194b25b633b250bbceab55/FLAG83d9c0828 [2018-11-22 22:06:27,285 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_908056f6-76a6-4ab0-9715-0fea63f4c23d/bin-2019/uautomizer/data/62185c1b1/7296fa7b65194b25b633b250bbceab55 [2018-11-22 22:06:27,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:06:27,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:06:27,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:06:27,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:06:27,292 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:06:27,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:06:27" (1/1) ... [2018-11-22 22:06:27,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22877cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:27, skipping insertion in model container [2018-11-22 22:06:27,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:06:27" (1/1) ... [2018-11-22 22:06:27,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:06:27,316 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:06:27,420 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:06:27,427 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:06:27,437 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:06:27,447 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:06:27,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:27 WrapperNode [2018-11-22 22:06:27,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:06:27,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:06:27,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:06:27,448 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:06:27,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:27" (1/1) ... [2018-11-22 22:06:27,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:27" (1/1) ... [2018-11-22 22:06:27,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:06:27,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:06:27,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:06:27,512 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:06:27,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:27" (1/1) ... [2018-11-22 22:06:27,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:27" (1/1) ... [2018-11-22 22:06:27,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:27" (1/1) ... [2018-11-22 22:06:27,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:27" (1/1) ... [2018-11-22 22:06:27,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:27" (1/1) ... [2018-11-22 22:06:27,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:27" (1/1) ... [2018-11-22 22:06:27,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:27" (1/1) ... [2018-11-22 22:06:27,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:06:27,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:06:27,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:06:27,526 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:06:27,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_908056f6-76a6-4ab0-9715-0fea63f4c23d/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 [2018-11-22 22:06:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 22:06:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-22 22:06:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-22 22:06:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:06:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:06:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:06:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 22:06:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 22:06:27,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 22:06:27,698 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:06:27,698 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-22 22:06:27,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:06:27 BoogieIcfgContainer [2018-11-22 22:06:27,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:06:27,699 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-22 22:06:27,699 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-22 22:06:27,703 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-22 22:06:27,704 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 22:06:27,704 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 10:06:27" (1/3) ... [2018-11-22 22:06:27,705 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44653ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 10:06:27, skipping insertion in model container [2018-11-22 22:06:27,705 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 22:06:27,705 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:06:27" (2/3) ... [2018-11-22 22:06:27,705 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44653ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 10:06:27, skipping insertion in model container [2018-11-22 22:06:27,706 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 22:06:27,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:06:27" (3/3) ... [2018-11-22 22:06:27,707 INFO L375 chiAutomizerObserver]: Analyzing ICFG nested_structure_true-termination.c_true-unreach-call.i [2018-11-22 22:06:27,757 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 22:06:27,758 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-22 22:06:27,758 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-22 22:06:27,758 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-22 22:06:27,758 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:06:27,759 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:06:27,759 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-22 22:06:27,759 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:06:27,759 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-22 22:06:27,772 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-22 22:06:27,791 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 22:06:27,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-22 22:06:27,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 10:06:27 BoogieIcfgContainer [2018-11-22 22:06:27,796 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-22 22:06:27,796 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:06:27,796 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:06:27,797 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:06:27,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:06:27" (3/4) ... [2018-11-22 22:06:27,800 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-22 22:06:27,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:06:27,801 INFO L168 Benchmark]: Toolchain (without parser) took 514.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:06:27,803 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:06:27,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.94 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:06:27,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 948.5 MB in the beginning and 1.2 GB in the end (delta: -203.9 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-11-22 22:06:27,805 INFO L168 Benchmark]: Boogie Preprocessor took 14.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:06:27,806 INFO L168 Benchmark]: RCFGBuilder took 172.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-22 22:06:27,807 INFO L168 Benchmark]: BuchiAutomizer took 96.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-22 22:06:27,808 INFO L168 Benchmark]: Witness Printer took 4.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:06:27,812 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 158.94 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 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 63.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 948.5 MB in the beginning and 1.2 GB in the end (delta: -203.9 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 172.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 96.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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...