./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.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_e6ef988f-21fd-4b2b-9371-d9d1f9aa49f9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6ef988f-21fd-4b2b-9371-d9d1f9aa49f9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6ef988f-21fd-4b2b-9371-d9d1f9aa49f9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6ef988f-21fd-4b2b-9371-d9d1f9aa49f9/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e6ef988f-21fd-4b2b-9371-d9d1f9aa49f9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6ef988f-21fd-4b2b-9371-d9d1f9aa49f9/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 0141f30eebc41972a05a5b9a00ccec3818dc94e8 ................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 11:40:55,914 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:40:55,915 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:40:55,922 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:40:55,922 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:40:55,923 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:40:55,923 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:40:55,925 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:40:55,926 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:40:55,926 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:40:55,927 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:40:55,927 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:40:55,928 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:40:55,929 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:40:55,930 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:40:55,931 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:40:55,931 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:40:55,933 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:40:55,934 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:40:55,936 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:40:55,936 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:40:55,937 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:40:55,939 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:40:55,939 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:40:55,939 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:40:55,940 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:40:55,941 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:40:55,941 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:40:55,942 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:40:55,943 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:40:55,943 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:40:55,943 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:40:55,944 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:40:55,944 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:40:55,944 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:40:55,945 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:40:55,945 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6ef988f-21fd-4b2b-9371-d9d1f9aa49f9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 11:40:55,954 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:40:55,954 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:40:55,955 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:40:55,955 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:40:55,955 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 11:40:55,956 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 11:40:55,956 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 11:40:55,956 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 11:40:55,956 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 11:40:55,956 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 11:40:55,956 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 11:40:55,956 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:40:55,957 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:40:55,957 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 11:40:55,957 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:40:55,957 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:40:55,957 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:40:55,957 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 11:40:55,957 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 11:40:55,957 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 11:40:55,958 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:40:55,958 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:40:55,958 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 11:40:55,958 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:40:55,958 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 11:40:55,958 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:40:55,958 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:40:55,959 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 11:40:55,959 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:40:55,959 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 11:40:55,959 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 11:40:55,960 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 11:40:55,960 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_e6ef988f-21fd-4b2b-9371-d9d1f9aa49f9/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 -> 0141f30eebc41972a05a5b9a00ccec3818dc94e8 [2018-11-23 11:40:55,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:40:55,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:40:55,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:40:55,993 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:40:55,993 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:40:55,993 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6ef988f-21fd-4b2b-9371-d9d1f9aa49f9/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i [2018-11-23 11:40:56,028 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6ef988f-21fd-4b2b-9371-d9d1f9aa49f9/bin-2019/uautomizer/data/6b3b898db/42aebbc004024f96bcd86556e3746286/FLAGb5d0d13df [2018-11-23 11:40:56,439 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:40:56,439 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6ef988f-21fd-4b2b-9371-d9d1f9aa49f9/sv-benchmarks/c/floats-cbmc-regression/float20_true-unreach-call_true-termination.i [2018-11-23 11:40:56,443 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6ef988f-21fd-4b2b-9371-d9d1f9aa49f9/bin-2019/uautomizer/data/6b3b898db/42aebbc004024f96bcd86556e3746286/FLAGb5d0d13df [2018-11-23 11:40:56,454 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6ef988f-21fd-4b2b-9371-d9d1f9aa49f9/bin-2019/uautomizer/data/6b3b898db/42aebbc004024f96bcd86556e3746286 [2018-11-23 11:40:56,456 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:40:56,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:40:56,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:40:56,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:40:56,462 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:40:56,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:40:56" (1/1) ... [2018-11-23 11:40:56,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eac3ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:56, skipping insertion in model container [2018-11-23 11:40:56,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:40:56" (1/1) ... [2018-11-23 11:40:56,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:40:56,491 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:40:56,601 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:40:56,604 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:40:56,620 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:40:56,632 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:40:56,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:56 WrapperNode [2018-11-23 11:40:56,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:40:56,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:40:56,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:40:56,633 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:40:56,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:56" (1/1) ... [2018-11-23 11:40:56,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:56" (1/1) ... [2018-11-23 11:40:56,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:40:56,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:40:56,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:40:56,653 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:40:56,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:56" (1/1) ... [2018-11-23 11:40:56,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:56" (1/1) ... [2018-11-23 11:40:56,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:56" (1/1) ... [2018-11-23 11:40:56,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:56" (1/1) ... [2018-11-23 11:40:56,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:56" (1/1) ... [2018-11-23 11:40:56,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:56" (1/1) ... [2018-11-23 11:40:56,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:56" (1/1) ... [2018-11-23 11:40:56,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:40:56,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:40:56,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:40:56,668 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:40:56,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6ef988f-21fd-4b2b-9371-d9d1f9aa49f9/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 [2018-11-23 11:40:56,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:40:56,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:40:56,833 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:40:56,833 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-11-23 11:40:56,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:40:56 BoogieIcfgContainer [2018-11-23 11:40:56,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:40:56,834 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 11:40:56,835 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 11:40:56,838 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 11:40:56,838 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 11:40:56,839 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 11:40:56" (1/3) ... [2018-11-23 11:40:56,840 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c6b82c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:40:56, skipping insertion in model container [2018-11-23 11:40:56,840 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 11:40:56,840 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:56" (2/3) ... [2018-11-23 11:40:56,840 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c6b82c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:40:56, skipping insertion in model container [2018-11-23 11:40:56,840 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 11:40:56,840 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:40:56" (3/3) ... [2018-11-23 11:40:56,842 INFO L375 chiAutomizerObserver]: Analyzing ICFG float20_true-unreach-call_true-termination.i [2018-11-23 11:40:56,886 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 11:40:56,887 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 11:40:56,887 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 11:40:56,887 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 11:40:56,887 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:40:56,887 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:40:56,888 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 11:40:56,888 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:40:56,888 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 11:40:56,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-23 11:40:56,912 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 11:40:56,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 11:40:56,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 11:40:56 BoogieIcfgContainer [2018-11-23 11:40:56,915 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 11:40:56,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:40:56,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:40:56,916 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:40:56,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:40:56" (3/4) ... [2018-11-23 11:40:56,920 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 11:40:56,920 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:40:56,920 INFO L168 Benchmark]: Toolchain (without parser) took 463.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -141.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:40:56,922 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:40:56,922 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.18 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:56,923 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.65 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:56,923 INFO L168 Benchmark]: Boogie Preprocessor took 14.64 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 937.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:56,924 INFO L168 Benchmark]: RCFGBuilder took 166.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:56,924 INFO L168 Benchmark]: BuchiAutomizer took 80.95 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 11:40:56,925 INFO L168 Benchmark]: Witness Printer took 4.07 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. [2018-11-23 11:40:56,928 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 174.18 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.65 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.64 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 937.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 166.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 937.7 MB in the beginning and 1.1 GB in the end (delta: -170.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 80.95 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.07 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...