./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/test_union_cast-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 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/test_union_cast-2.i -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 50b36a46d29ef54c7afc76395f3b73a4938c7b8fccc9ac2d632958ee93e7bffb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 20:11:25,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 20:11:25,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 20:11:25,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 20:11:25,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 20:11:25,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 20:11:25,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 20:11:25,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 20:11:25,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 20:11:25,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 20:11:25,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 20:11:25,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 20:11:25,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 20:11:25,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 20:11:25,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 20:11:25,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 20:11:25,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 20:11:25,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 20:11:25,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 20:11:25,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 20:11:25,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 20:11:25,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 20:11:25,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 20:11:25,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 20:11:25,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 20:11:25,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 20:11:25,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 20:11:25,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 20:11:25,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 20:11:25,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 20:11:25,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 20:11:25,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 20:11:25,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 20:11:25,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 20:11:25,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 20:11:25,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 20:11:25,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 20:11:25,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 20:11:25,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 20:11:25,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 20:11:25,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 20:11:25,430 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 20:11:25,450 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 20:11:25,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 20:11:25,451 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 20:11:25,451 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 20:11:25,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 20:11:25,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 20:11:25,452 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 20:11:25,452 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 20:11:25,452 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 20:11:25,453 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 20:11:25,453 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 20:11:25,453 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 20:11:25,453 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 20:11:25,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 20:11:25,454 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 20:11:25,454 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 20:11:25,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 20:11:25,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 20:11:25,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 20:11:25,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 20:11:25,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 20:11:25,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 20:11:25,455 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 20:11:25,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 20:11:25,456 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 20:11:25,456 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 20:11:25,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 20:11:25,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 20:11:25,456 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 20:11:25,457 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 20:11:25,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 20:11:25,457 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 20:11:25,458 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 20:11:25,458 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50b36a46d29ef54c7afc76395f3b73a4938c7b8fccc9ac2d632958ee93e7bffb [2021-12-22 20:11:25,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 20:11:25,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 20:11:25,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 20:11:25,666 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 20:11:25,666 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 20:11:25,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_union_cast-2.i [2021-12-22 20:11:25,722 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b03e8b8a3/55cfaf9e2279489e8f576f22067b08bd/FLAG67bd0394b [2021-12-22 20:11:26,028 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 20:11:26,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_union_cast-2.i [2021-12-22 20:11:26,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b03e8b8a3/55cfaf9e2279489e8f576f22067b08bd/FLAG67bd0394b [2021-12-22 20:11:26,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b03e8b8a3/55cfaf9e2279489e8f576f22067b08bd [2021-12-22 20:11:26,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 20:11:26,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 20:11:26,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 20:11:26,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 20:11:26,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 20:11:26,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:11:26" (1/1) ... [2021-12-22 20:11:26,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df128f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:11:26, skipping insertion in model container [2021-12-22 20:11:26,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:11:26" (1/1) ... [2021-12-22 20:11:26,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 20:11:26,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 20:11:26,606 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/test_union_cast-2.i[817,830] [2021-12-22 20:11:26,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:11:26,624 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 20:11:26,634 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/test_union_cast-2.i[817,830] [2021-12-22 20:11:26,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:11:26,649 INFO L208 MainTranslator]: Completed translation [2021-12-22 20:11:26,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:11:26 WrapperNode [2021-12-22 20:11:26,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 20:11:26,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 20:11:26,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 20:11:26,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 20:11:26,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:11:26" (1/1) ... [2021-12-22 20:11:26,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:11:26" (1/1) ... [2021-12-22 20:11:26,673 INFO L137 Inliner]: procedures = 17, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2021-12-22 20:11:26,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 20:11:26,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 20:11:26,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 20:11:26,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 20:11:26,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:11:26" (1/1) ... [2021-12-22 20:11:26,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:11:26" (1/1) ... [2021-12-22 20:11:26,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:11:26" (1/1) ... [2021-12-22 20:11:26,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:11:26" (1/1) ... [2021-12-22 20:11:26,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:11:26" (1/1) ... [2021-12-22 20:11:26,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:11:26" (1/1) ... [2021-12-22 20:11:26,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:11:26" (1/1) ... [2021-12-22 20:11:26,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 20:11:26,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 20:11:26,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 20:11:26,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 20:11:26,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:11:26" (1/1) ... [2021-12-22 20:11:26,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:11:26,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:11:26,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-22 20:11:26,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-22 20:11:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 20:11:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 20:11:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 20:11:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 20:11:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-22 20:11:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 20:11:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 20:11:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 20:11:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 20:11:26,813 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 20:11:26,814 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 20:11:26,912 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 20:11:26,921 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 20:11:26,922 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 20:11:26,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:11:26 BoogieIcfgContainer [2021-12-22 20:11:26,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 20:11:26,924 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 20:11:26,924 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 20:11:26,926 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 20:11:26,927 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:11:26,927 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 08:11:26" (1/3) ... [2021-12-22 20:11:26,928 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3de2cff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:11:26, skipping insertion in model container [2021-12-22 20:11:26,928 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:11:26,928 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:11:26" (2/3) ... [2021-12-22 20:11:26,928 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3de2cff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:11:26, skipping insertion in model container [2021-12-22 20:11:26,928 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:11:26,929 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:11:26" (3/3) ... [2021-12-22 20:11:26,929 INFO L388 chiAutomizerObserver]: Analyzing ICFG test_union_cast-2.i [2021-12-22 20:11:26,962 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 20:11:26,963 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 20:11:26,963 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 20:11:26,963 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 20:11:26,963 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 20:11:26,963 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 20:11:26,964 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 20:11:26,964 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 20:11:26,974 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) [2021-12-22 20:11:26,988 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:11:26,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-22 20:11:26,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.12 08:11:26 BoogieIcfgContainer [2021-12-22 20:11:26,992 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-22 20:11:26,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 20:11:26,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 20:11:26,994 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 20:11:26,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:11:26" (3/4) ... [2021-12-22 20:11:26,996 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-22 20:11:26,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 20:11:26,999 INFO L158 Benchmark]: Toolchain (without parser) took 532.20ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 50.4MB in the beginning and 69.1MB in the end (delta: -18.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-12-22 20:11:27,000 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 81.8MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:11:27,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.70ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 50.2MB in the beginning and 85.9MB in the end (delta: -35.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 20:11:27,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.09ms. Allocated memory is still 109.1MB. Free memory was 85.9MB in the beginning and 84.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:11:27,003 INFO L158 Benchmark]: Boogie Preprocessor took 27.41ms. Allocated memory is still 109.1MB. Free memory was 84.3MB in the beginning and 83.8MB in the end (delta: 554.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:11:27,004 INFO L158 Benchmark]: RCFGBuilder took 220.95ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 74.4MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-22 20:11:27,004 INFO L158 Benchmark]: BuchiAutomizer took 68.28ms. Allocated memory is still 109.1MB. Free memory was 74.4MB in the beginning and 69.1MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-22 20:11:27,005 INFO L158 Benchmark]: Witness Printer took 3.17ms. Allocated memory is still 109.1MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:11:27,011 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 81.8MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 183.70ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 50.2MB in the beginning and 85.9MB in the end (delta: -35.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.09ms. Allocated memory is still 109.1MB. Free memory was 85.9MB in the beginning and 84.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.41ms. Allocated memory is still 109.1MB. Free memory was 84.3MB in the beginning and 83.8MB in the end (delta: 554.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 220.95ms. Allocated memory is still 109.1MB. Free memory was 83.8MB in the beginning and 74.4MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 68.28ms. Allocated memory is still 109.1MB. Free memory was 74.4MB in the beginning and 69.1MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 3.17ms. Allocated memory is still 109.1MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-22 20:11:27,045 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