./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/test17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 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/ldv-regression/test17.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 9b74b62078fe6e68ee0466b9d1c2e79e430fb1451ec86e0edd3b64031dbdbc98 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 15:37:09,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:37:09,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:37:09,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:37:09,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:37:09,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:37:09,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:37:09,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:37:09,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:37:09,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:37:09,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:37:09,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:37:09,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:37:09,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:37:09,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:37:09,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:37:09,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:37:09,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:37:09,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:37:09,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:37:09,852 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:37:09,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:37:09,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:37:09,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:37:09,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:37:09,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:37:09,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:37:09,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:37:09,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:37:09,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:37:09,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:37:09,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:37:09,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:37:09,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:37:09,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:37:09,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:37:09,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:37:09,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:37:09,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:37:09,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:37:09,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:37:09,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:37:09,871 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 15:37:09,894 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:37:09,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:37:09,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:37:09,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:37:09,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:37:09,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:37:09,899 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:37:09,899 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:37:09,900 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:37:09,901 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:37:09,901 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:37:09,901 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:37:09,901 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:37:09,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:37:09,902 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 15:37:09,902 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:37:09,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:37:09,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 15:37:09,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:37:09,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:37:09,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:37:09,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:37:09,905 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 15:37:09,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:37:09,905 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:37:09,905 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:37:09,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:37:09,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:37:09,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:37:09,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:37:09,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:37:09,907 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:37:09,908 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b74b62078fe6e68ee0466b9d1c2e79e430fb1451ec86e0edd3b64031dbdbc98 [2022-07-14 15:37:10,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:37:10,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:37:10,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:37:10,165 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:37:10,166 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:37:10,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test17.c [2022-07-14 15:37:10,244 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c7c3168/9e3989c1b24f481aa7cfb73526fe4170/FLAG634a029c5 [2022-07-14 15:37:10,610 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:37:10,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test17.c [2022-07-14 15:37:10,614 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c7c3168/9e3989c1b24f481aa7cfb73526fe4170/FLAG634a029c5 [2022-07-14 15:37:11,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c7c3168/9e3989c1b24f481aa7cfb73526fe4170 [2022-07-14 15:37:11,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:37:11,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:37:11,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:37:11,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:37:11,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:37:11,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:37:11" (1/1) ... [2022-07-14 15:37:11,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@145c8c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:37:11, skipping insertion in model container [2022-07-14 15:37:11,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:37:11" (1/1) ... [2022-07-14 15:37:11,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:37:11,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:37:11,207 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/ldv-regression/test17.c[377,390] [2022-07-14 15:37:11,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:37:11,222 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:37:11,240 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/ldv-regression/test17.c[377,390] [2022-07-14 15:37:11,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:37:11,257 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:37:11,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:37:11 WrapperNode [2022-07-14 15:37:11,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:37:11,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:37:11,259 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:37:11,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:37:11,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:37:11" (1/1) ... [2022-07-14 15:37:11,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:37:11" (1/1) ... [2022-07-14 15:37:11,287 INFO L137 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2022-07-14 15:37:11,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:37:11,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:37:11,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:37:11,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:37:11,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:37:11" (1/1) ... [2022-07-14 15:37:11,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:37:11" (1/1) ... [2022-07-14 15:37:11,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:37:11" (1/1) ... [2022-07-14 15:37:11,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:37:11" (1/1) ... [2022-07-14 15:37:11,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:37:11" (1/1) ... [2022-07-14 15:37:11,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:37:11" (1/1) ... [2022-07-14 15:37:11,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:37:11" (1/1) ... [2022-07-14 15:37:11,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:37:11,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:37:11,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:37:11,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:37:11,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:37:11" (1/1) ... [2022-07-14 15:37:11,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:37:11,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:37:11,349 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) [2022-07-14 15:37:11,371 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 [2022-07-14 15:37:11,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 15:37:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:37:11,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:37:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 15:37:11,437 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:37:11,439 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:37:11,498 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:37:11,503 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:37:11,503 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 15:37:11,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:37:11 BoogieIcfgContainer [2022-07-14 15:37:11,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:37:11,506 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:37:11,506 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:37:11,513 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:37:11,514 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:37:11,514 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:37:11" (1/3) ... [2022-07-14 15:37:11,519 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c140f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:37:11, skipping insertion in model container [2022-07-14 15:37:11,519 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:37:11,519 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:37:11" (2/3) ... [2022-07-14 15:37:11,520 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c140f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:37:11, skipping insertion in model container [2022-07-14 15:37:11,520 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:37:11,520 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:37:11" (3/3) ... [2022-07-14 15:37:11,522 INFO L354 chiAutomizerObserver]: Analyzing ICFG test17.c [2022-07-14 15:37:11,578 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:37:11,578 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:37:11,578 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:37:11,578 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:37:11,579 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:37:11,579 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:37:11,579 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:37:11,579 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:37:11,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2022-07-14 15:37:11,603 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:37:11,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 15:37:11,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 03:37:11 BoogieIcfgContainer [2022-07-14 15:37:11,608 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 15:37:11,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 15:37:11,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 15:37:11,610 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 15:37:11,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:37:11" (3/4) ... [2022-07-14 15:37:11,613 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 15:37:11,613 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 15:37:11,617 INFO L158 Benchmark]: Toolchain (without parser) took 575.92ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 53.5MB in the beginning and 68.4MB in the end (delta: -14.9MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2022-07-14 15:37:11,618 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 59.3MB in the beginning and 59.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:37:11,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.54ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 53.3MB in the beginning and 85.1MB in the end (delta: -31.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 15:37:11,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.99ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 83.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:37:11,622 INFO L158 Benchmark]: Boogie Preprocessor took 22.33ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 82.9MB in the end (delta: 602.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:37:11,623 INFO L158 Benchmark]: RCFGBuilder took 191.42ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 74.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 15:37:11,624 INFO L158 Benchmark]: BuchiAutomizer took 101.81ms. Allocated memory is still 109.1MB. Free memory was 74.0MB in the beginning and 68.9MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-14 15:37:11,625 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 109.1MB. Free memory was 68.9MB in the beginning and 68.4MB in the end (delta: 569.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:37:11,634 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 59.3MB in the beginning and 59.3MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.54ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 53.3MB in the beginning and 85.1MB in the end (delta: -31.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.99ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 83.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.33ms. Allocated memory is still 109.1MB. Free memory was 83.5MB in the beginning and 82.9MB in the end (delta: 602.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 191.42ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 74.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 101.81ms. Allocated memory is still 109.1MB. Free memory was 74.0MB in the beginning and 68.9MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 109.1MB. Free memory was 68.9MB in the beginning and 68.4MB in the end (delta: 569.1kB). 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-14 15:37:11,683 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