./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF --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 a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:32:03,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:32:03,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:32:03,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:32:03,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:32:03,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:32:03,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:32:03,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:32:03,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:32:03,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:32:03,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:32:03,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:32:03,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:32:03,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:32:03,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:32:03,961 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:32:03,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:32:03,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:32:03,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:32:03,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:32:03,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:32:03,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:32:03,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:32:03,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:32:04,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:32:04,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:32:04,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:32:04,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:32:04,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:32:04,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:32:04,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:32:04,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:32:04,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:32:04,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:32:04,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:32:04,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:32:04,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:32:04,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:32:04,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:32:04,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:32:04,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:32:04,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 07:32:04,079 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:32:04,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:32:04,082 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:32:04,083 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:32:04,084 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:32:04,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:32:04,085 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:32:04,085 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:32:04,086 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:32:04,086 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:32:04,087 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:32:04,088 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:32:04,088 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:32:04,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:32:04,088 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:32:04,089 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:32:04,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:32:04,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:32:04,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:32:04,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:32:04,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:32:04,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:32:04,090 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:32:04,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:32:04,091 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:32:04,091 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:32:04,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:32:04,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:32:04,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:32:04,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:32:04,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:32:04,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:32:04,096 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:32:04,096 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1a8d839de719affcdce7d478fe01c72ef8bd5c3f8508077dd75702521e0650f [2021-11-20 07:32:04,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:32:04,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:32:04,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:32:04,488 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:32:04,490 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:32:04,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/floats-cbmc-regression/float22.i [2021-11-20 07:32:04,569 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF/data/06161b185/ba2fc0803d6c42f0b31b4cb6494479f1/FLAGa4d0e99a5 [2021-11-20 07:32:05,144 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:32:05,145 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/sv-benchmarks/c/floats-cbmc-regression/float22.i [2021-11-20 07:32:05,153 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF/data/06161b185/ba2fc0803d6c42f0b31b4cb6494479f1/FLAGa4d0e99a5 [2021-11-20 07:32:05,484 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF/data/06161b185/ba2fc0803d6c42f0b31b4cb6494479f1 [2021-11-20 07:32:05,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:32:05,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:32:05,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:32:05,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:32:05,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:32:05,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:32:05" (1/1) ... [2021-11-20 07:32:05,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182bd22d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:32:05, skipping insertion in model container [2021-11-20 07:32:05,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:32:05" (1/1) ... [2021-11-20 07:32:05,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:32:05,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:32:05,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2021-11-20 07:32:05,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2021-11-20 07:32:05,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2021-11-20 07:32:05,789 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2021-11-20 07:32:05,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:32:05,807 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:32:05,866 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/sv-benchmarks/c/floats-cbmc-regression/float22.i[2558,2571] [2021-11-20 07:32:05,869 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/sv-benchmarks/c/floats-cbmc-regression/float22.i[2753,2766] [2021-11-20 07:32:05,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/sv-benchmarks/c/floats-cbmc-regression/float22.i[2881,2894] [2021-11-20 07:32:05,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/sv-benchmarks/c/floats-cbmc-regression/float22.i[3073,3086] [2021-11-20 07:32:05,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:32:05,911 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:32:05,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:32:05 WrapperNode [2021-11-20 07:32:05,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:32:05,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:32:05,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:32:05,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:32:05,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:32:05" (1/1) ... [2021-11-20 07:32:05,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:32:05" (1/1) ... [2021-11-20 07:32:06,002 INFO L137 Inliner]: procedures = 21, calls = 80, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 249 [2021-11-20 07:32:06,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:32:06,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:32:06,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:32:06,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:32:06,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:32:05" (1/1) ... [2021-11-20 07:32:06,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:32:05" (1/1) ... [2021-11-20 07:32:06,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:32:05" (1/1) ... [2021-11-20 07:32:06,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:32:05" (1/1) ... [2021-11-20 07:32:06,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:32:05" (1/1) ... [2021-11-20 07:32:06,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:32:05" (1/1) ... [2021-11-20 07:32:06,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:32:05" (1/1) ... [2021-11-20 07:32:06,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:32:06,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:32:06,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:32:06,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:32:06,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:32:05" (1/1) ... [2021-11-20 07:32:06,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:32:06,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:32:06,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:32:06,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:32:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:32:06,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:32:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:32:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-20 07:32:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:32:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-20 07:32:06,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:32:06,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:32:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:32:06,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:32:06,266 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:32:06,267 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:32:06,751 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:32:06,764 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:32:06,767 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:32:06,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:32:06 BoogieIcfgContainer [2021-11-20 07:32:06,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:32:06,771 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:32:06,772 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:32:06,775 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:32:06,776 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:32:06,777 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:32:05" (1/3) ... [2021-11-20 07:32:06,779 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6770ce6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:32:06, skipping insertion in model container [2021-11-20 07:32:06,779 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:32:06,779 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:32:05" (2/3) ... [2021-11-20 07:32:06,780 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6770ce6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:32:06, skipping insertion in model container [2021-11-20 07:32:06,780 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:32:06,781 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:32:06" (3/3) ... [2021-11-20 07:32:06,782 INFO L388 chiAutomizerObserver]: Analyzing ICFG float22.i [2021-11-20 07:32:06,851 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:32:06,852 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:32:06,852 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:32:06,852 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:32:06,852 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:32:06,852 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:32:06,852 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:32:06,853 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:32:06,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 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) [2021-11-20 07:32:06,892 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 07:32:06,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 07:32:06,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:32:06 BoogieIcfgContainer [2021-11-20 07:32:06,897 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 07:32:06,898 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:32:06,898 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:32:06,899 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:32:06,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:32:06" (3/4) ... [2021-11-20 07:32:06,903 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:32:06,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:32:06,905 INFO L158 Benchmark]: Toolchain (without parser) took 1412.61ms. Allocated memory is still 104.9MB. Free memory was 63.4MB in the beginning and 35.3MB in the end (delta: 28.1MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2021-11-20 07:32:06,906 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory was 79.5MB in the beginning and 79.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:32:06,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.94ms. Allocated memory is still 104.9MB. Free memory was 63.1MB in the beginning and 78.0MB in the end (delta: -14.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:32:06,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.25ms. Allocated memory is still 104.9MB. Free memory was 77.7MB in the beginning and 75.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 07:32:06,909 INFO L158 Benchmark]: Boogie Preprocessor took 64.19ms. Allocated memory is still 104.9MB. Free memory was 75.2MB in the beginning and 73.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:32:06,910 INFO L158 Benchmark]: RCFGBuilder took 701.92ms. Allocated memory is still 104.9MB. Free memory was 73.1MB in the beginning and 40.7MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-20 07:32:06,910 INFO L158 Benchmark]: BuchiAutomizer took 126.28ms. Allocated memory is still 104.9MB. Free memory was 40.7MB in the beginning and 35.3MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:32:06,911 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 104.9MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:32:06,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory was 79.5MB in the beginning and 79.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.94ms. Allocated memory is still 104.9MB. Free memory was 63.1MB in the beginning and 78.0MB in the end (delta: -14.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.25ms. Allocated memory is still 104.9MB. Free memory was 77.7MB in the beginning and 75.2MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.19ms. Allocated memory is still 104.9MB. Free memory was 75.2MB in the beginning and 73.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 701.92ms. Allocated memory is still 104.9MB. Free memory was 73.1MB in the beginning and 40.7MB in the end (delta: 32.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 126.28ms. Allocated memory is still 104.9MB. Free memory was 40.7MB in the beginning and 35.3MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 104.9MB. Free memory is still 35.3MB. 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! [2021-11-20 07:32:06,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71612394-4055-4cef-8c89-b63b7e826e8c/bin/uautomizer-DQz5hQGWxF/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