./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float13.c --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_e41553fd-28cc-4769-b360-a50f5fe7d262/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41553fd-28cc-4769-b360-a50f5fe7d262/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_e41553fd-28cc-4769-b360-a50f5fe7d262/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41553fd-28cc-4769-b360-a50f5fe7d262/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41553fd-28cc-4769-b360-a50f5fe7d262/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_e41553fd-28cc-4769-b360-a50f5fe7d262/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 2246e8060e5a1cb739ae96795323e53f6b8616d366fbcd4812e06685f0e78a45 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:40:47,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:40:47,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:40:47,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:40:47,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:40:47,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:40:47,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:40:47,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:40:47,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:40:47,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:40:47,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:40:47,957 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:40:47,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:40:47,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:40:47,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:40:47,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:40:47,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:40:47,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:40:47,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:40:47,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:40:47,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:40:47,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:40:47,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:40:47,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:40:48,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:40:48,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:40:48,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:40:48,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:40:48,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:40:48,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:40:48,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:40:48,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:40:48,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:40:48,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:40:48,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:40:48,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:40:48,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:40:48,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:40:48,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:40:48,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:40:48,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:40:48,028 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41553fd-28cc-4769-b360-a50f5fe7d262/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 06:40:48,061 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:40:48,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:40:48,062 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:40:48,062 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:40:48,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:40:48,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:40:48,064 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:40:48,064 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:40:48,065 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:40:48,065 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:40:48,065 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:40:48,065 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:40:48,066 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:40:48,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:40:48,066 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:40:48,067 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:40:48,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:40:48,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:40:48,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:40:48,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:40:48,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:40:48,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:40:48,069 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:40:48,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:40:48,069 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:40:48,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:40:48,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:40:48,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:40:48,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:40:48,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:40:48,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:40:48,072 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:40:48,073 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:40:48,073 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_e41553fd-28cc-4769-b360-a50f5fe7d262/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41553fd-28cc-4769-b360-a50f5fe7d262/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2246e8060e5a1cb739ae96795323e53f6b8616d366fbcd4812e06685f0e78a45 [2021-11-20 06:40:48,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:40:48,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:40:48,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:40:48,374 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:40:48,388 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:40:48,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41553fd-28cc-4769-b360-a50f5fe7d262/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/floats-cbmc-regression/float13.c [2021-11-20 06:40:48,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41553fd-28cc-4769-b360-a50f5fe7d262/bin/uautomizer-DQz5hQGWxF/data/b4a821a58/8be953208a1b4facb859c30e9467ce97/FLAG50a21d254 [2021-11-20 06:40:49,033 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:40:49,035 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c [2021-11-20 06:40:49,044 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41553fd-28cc-4769-b360-a50f5fe7d262/bin/uautomizer-DQz5hQGWxF/data/b4a821a58/8be953208a1b4facb859c30e9467ce97/FLAG50a21d254 [2021-11-20 06:40:49,471 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41553fd-28cc-4769-b360-a50f5fe7d262/bin/uautomizer-DQz5hQGWxF/data/b4a821a58/8be953208a1b4facb859c30e9467ce97 [2021-11-20 06:40:49,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:40:49,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:40:49,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:40:49,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:40:49,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:40:49,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:40:49" (1/1) ... [2021-11-20 06:40:49,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dcb624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:49, skipping insertion in model container [2021-11-20 06:40:49,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:40:49" (1/1) ... [2021-11-20 06:40:49,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:40:49,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:40:49,709 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_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2021-11-20 06:40:49,711 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_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2021-11-20 06:40:49,713 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_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2021-11-20 06:40:49,715 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_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2021-11-20 06:40:49,716 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_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2021-11-20 06:40:49,717 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_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2021-11-20 06:40:49,719 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_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2021-11-20 06:40:49,720 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_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2021-11-20 06:40:49,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:40:49,735 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:40:49,753 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_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2021-11-20 06:40:49,754 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_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2021-11-20 06:40:49,755 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_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2021-11-20 06:40:49,756 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_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2021-11-20 06:40:49,757 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_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2021-11-20 06:40:49,759 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_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2021-11-20 06:40:49,760 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_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2021-11-20 06:40:49,761 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_e41553fd-28cc-4769-b360-a50f5fe7d262/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2021-11-20 06:40:49,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:40:49,778 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:40:49,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:49 WrapperNode [2021-11-20 06:40:49,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:40:49,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:40:49,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:40:49,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:40:49,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:49" (1/1) ... [2021-11-20 06:40:49,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:49" (1/1) ... [2021-11-20 06:40:49,830 INFO L137 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2021-11-20 06:40:49,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:40:49,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:40:49,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:40:49,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:40:49,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:49" (1/1) ... [2021-11-20 06:40:49,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:49" (1/1) ... [2021-11-20 06:40:49,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:49" (1/1) ... [2021-11-20 06:40:49,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:49" (1/1) ... [2021-11-20 06:40:49,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:49" (1/1) ... [2021-11-20 06:40:49,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:49" (1/1) ... [2021-11-20 06:40:49,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:49" (1/1) ... [2021-11-20 06:40:49,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:40:49,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:40:49,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:40:49,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:40:49,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:49" (1/1) ... [2021-11-20 06:40:49,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:40:49,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41553fd-28cc-4769-b360-a50f5fe7d262/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:40:49,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41553fd-28cc-4769-b360-a50f5fe7d262/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:40:49,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41553fd-28cc-4769-b360-a50f5fe7d262/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:40:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:40:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:40:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:40:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:40:50,024 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:40:50,026 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:40:50,171 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:40:50,178 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:40:50,178 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 06:40:50,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:40:50 BoogieIcfgContainer [2021-11-20 06:40:50,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:40:50,183 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:40:50,183 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:40:50,187 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:40:50,188 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:40:50,188 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:40:49" (1/3) ... [2021-11-20 06:40:50,190 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35877d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:40:50, skipping insertion in model container [2021-11-20 06:40:50,190 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:40:50,190 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:40:49" (2/3) ... [2021-11-20 06:40:50,191 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35877d90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:40:50, skipping insertion in model container [2021-11-20 06:40:50,191 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:40:50,191 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:40:50" (3/3) ... [2021-11-20 06:40:50,193 INFO L388 chiAutomizerObserver]: Analyzing ICFG float13.c [2021-11-20 06:40:50,274 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:40:50,276 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:40:50,276 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:40:50,276 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:40:50,276 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:40:50,276 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:40:50,277 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:40:50,277 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:40:50,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 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 06:40:50,326 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:40:50,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:40:50,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:40:50 BoogieIcfgContainer [2021-11-20 06:40:50,332 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:40:50,333 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:40:50,333 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:40:50,334 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:40:50,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:40:50" (3/4) ... [2021-11-20 06:40:50,337 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:40:50,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:40:50,342 INFO L158 Benchmark]: Toolchain (without parser) took 865.07ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 55.1MB in the end (delta: 4.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2021-11-20 06:40:50,343 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory was 76.4MB in the beginning and 76.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:40:50,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.92ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 72.3MB in the end (delta: -13.0MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-11-20 06:40:50,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.03ms. Allocated memory is still 96.5MB. Free memory was 72.3MB in the beginning and 70.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:40:50,348 INFO L158 Benchmark]: Boogie Preprocessor took 21.79ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 69.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:40:50,349 INFO L158 Benchmark]: RCFGBuilder took 328.57ms. Allocated memory is still 96.5MB. Free memory was 69.7MB in the beginning and 60.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:40:50,351 INFO L158 Benchmark]: BuchiAutomizer took 149.41ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 55.6MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:40:50,352 INFO L158 Benchmark]: Witness Printer took 5.12ms. Allocated memory is still 96.5MB. Free memory was 55.3MB in the beginning and 55.1MB in the end (delta: 253.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:40:50,361 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory was 76.4MB in the beginning and 76.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.92ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 72.3MB in the end (delta: -13.0MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.03ms. Allocated memory is still 96.5MB. Free memory was 72.3MB in the beginning and 70.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.79ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 69.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 328.57ms. Allocated memory is still 96.5MB. Free memory was 69.7MB in the beginning and 60.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 149.41ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 55.6MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 5.12ms. Allocated memory is still 96.5MB. Free memory was 55.3MB in the beginning and 55.1MB in the end (delta: 253.0kB). 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! [2021-11-20 06:40:50,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e41553fd-28cc-4769-b360-a50f5fe7d262/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