./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e577c29310ee115b251b151455f7420e49d4b5a193d4ed2cde0dcf868c272d0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:26:58,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:26:58,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:26:58,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:26:58,674 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:26:58,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:26:58,680 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:26:58,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:26:58,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:26:58,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:26:58,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:26:58,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:26:58,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:26:58,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:26:58,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:26:58,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:26:58,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:26:58,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:26:58,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:26:58,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:26:58,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:26:58,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:26:58,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:26:58,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:26:58,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:26:58,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:26:58,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:26:58,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:26:58,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:26:58,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:26:58,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:26:58,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:26:58,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:26:58,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:26:58,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:26:58,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:26:58,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:26:58,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:26:58,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:26:58,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:26:58,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:26:58,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-28 09:26:58,784 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:26:58,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:26:58,786 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:26:58,786 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:26:58,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:26:58,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:26:58,789 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:26:58,789 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:26:58,789 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:26:58,789 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:26:58,790 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:26:58,790 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:26:58,791 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:26:58,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:26:58,791 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 09:26:58,791 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:26:58,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:26:58,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 09:26:58,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:26:58,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:26:58,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:26:58,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:26:58,793 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 09:26:58,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:26:58,793 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:26:58,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:26:58,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:26:58,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:26:58,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:26:58,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:26:58,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:26:58,796 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:26:58,796 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e577c29310ee115b251b151455f7420e49d4b5a193d4ed2cde0dcf868c272d0 [2021-12-28 09:26:59,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:26:59,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:26:59,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:26:59,147 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:26:59,147 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:26:59,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c [2021-12-28 09:26:59,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ce77e577/0817b50b80a9448d9969eebc971d553c/FLAG7030f30c5 [2021-12-28 09:26:59,593 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:26:59,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c [2021-12-28 09:26:59,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ce77e577/0817b50b80a9448d9969eebc971d553c/FLAG7030f30c5 [2021-12-28 09:26:59,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ce77e577/0817b50b80a9448d9969eebc971d553c [2021-12-28 09:26:59,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:26:59,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:26:59,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:26:59,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:26:59,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:26:59,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:26:59" (1/1) ... [2021-12-28 09:26:59,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487397fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:26:59, skipping insertion in model container [2021-12-28 09:26:59,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:26:59" (1/1) ... [2021-12-28 09:26:59,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:26:59,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:26:59,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1010,1023] [2021-12-28 09:26:59,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1167,1180] [2021-12-28 09:26:59,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1293,1306] [2021-12-28 09:26:59,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:26:59,784 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:26:59,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1010,1023] [2021-12-28 09:26:59,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1167,1180] [2021-12-28 09:26:59,805 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp6.c[1293,1306] [2021-12-28 09:26:59,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:26:59,827 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:26:59,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:26:59 WrapperNode [2021-12-28 09:26:59,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:26:59,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:26:59,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:26:59,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:26:59,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:26:59" (1/1) ... [2021-12-28 09:26:59,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:26:59" (1/1) ... [2021-12-28 09:26:59,886 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2021-12-28 09:26:59,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:26:59,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:26:59,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:26:59,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:26:59,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:26:59" (1/1) ... [2021-12-28 09:26:59,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:26:59" (1/1) ... [2021-12-28 09:26:59,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:26:59" (1/1) ... [2021-12-28 09:26:59,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:26:59" (1/1) ... [2021-12-28 09:26:59,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:26:59" (1/1) ... [2021-12-28 09:26:59,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:26:59" (1/1) ... [2021-12-28 09:26:59,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:26:59" (1/1) ... [2021-12-28 09:26:59,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:26:59,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:26:59,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:26:59,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:26:59,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:26:59" (1/1) ... [2021-12-28 09:26:59,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:26:59,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:26:59,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-28 09:27:00,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-28 09:27:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 09:27:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 09:27:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:27:00,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:27:00,072 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:27:00,073 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:27:00,157 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:27:00,163 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:27:00,164 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 09:27:00,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:27:00 BoogieIcfgContainer [2021-12-28 09:27:00,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:27:00,168 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:27:00,168 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:27:00,170 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:27:00,171 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:27:00,171 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:26:59" (1/3) ... [2021-12-28 09:27:00,172 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f1a69c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:27:00, skipping insertion in model container [2021-12-28 09:27:00,172 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:27:00,172 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:26:59" (2/3) ... [2021-12-28 09:27:00,173 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f1a69c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:27:00, skipping insertion in model container [2021-12-28 09:27:00,173 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:27:00,173 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:27:00" (3/3) ... [2021-12-28 09:27:00,174 INFO L388 chiAutomizerObserver]: Analyzing ICFG float-no-simp6.c [2021-12-28 09:27:00,207 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:27:00,207 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:27:00,207 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:27:00,207 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:27:00,207 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:27:00,207 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:27:00,207 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:27:00,208 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:27:00,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:27:00,252 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-28 09:27:00,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-28 09:27:00,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.12 09:27:00 BoogieIcfgContainer [2021-12-28 09:27:00,256 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-28 09:27:00,258 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 09:27:00,258 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 09:27:00,259 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 09:27:00,259 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:27:00" (3/4) ... [2021-12-28 09:27:00,264 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-28 09:27:00,264 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 09:27:00,267 INFO L158 Benchmark]: Toolchain (without parser) took 652.29ms. Allocated memory is still 54.5MB. Free memory was 37.9MB in the beginning and 36.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:27:00,268 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 44.0MB. Free memory was 26.5MB in the beginning and 26.5MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:27:00,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.34ms. Allocated memory is still 54.5MB. Free memory was 37.6MB in the beginning and 39.0MB in the end (delta: -1.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-28 09:27:00,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.43ms. Allocated memory is still 54.5MB. Free memory was 38.8MB in the beginning and 37.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:27:00,271 INFO L158 Benchmark]: Boogie Preprocessor took 20.61ms. Allocated memory is still 54.5MB. Free memory was 37.5MB in the beginning and 36.5MB in the end (delta: 940.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:27:00,273 INFO L158 Benchmark]: RCFGBuilder took 256.66ms. Allocated memory is still 54.5MB. Free memory was 36.5MB in the beginning and 28.6MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-28 09:27:00,273 INFO L158 Benchmark]: BuchiAutomizer took 88.97ms. Allocated memory is still 54.5MB. Free memory was 28.4MB in the beginning and 36.9MB in the end (delta: -8.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-12-28 09:27:00,274 INFO L158 Benchmark]: Witness Printer took 5.88ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.5MB in the end (delta: 218.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:27:00,282 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 44.0MB. Free memory was 26.5MB in the beginning and 26.5MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.34ms. Allocated memory is still 54.5MB. Free memory was 37.6MB in the beginning and 39.0MB in the end (delta: -1.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.43ms. Allocated memory is still 54.5MB. Free memory was 38.8MB in the beginning and 37.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.61ms. Allocated memory is still 54.5MB. Free memory was 37.5MB in the beginning and 36.5MB in the end (delta: 940.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 256.66ms. Allocated memory is still 54.5MB. Free memory was 36.5MB in the beginning and 28.6MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 88.97ms. Allocated memory is still 54.5MB. Free memory was 28.4MB in the beginning and 36.9MB in the end (delta: -8.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Witness Printer took 5.88ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.5MB in the end (delta: 218.0kB). There was no memory consumed. Max. memory is 16.1GB. * 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: 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! [2021-12-28 09:27:00,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE