./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/test30-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 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/test30-1.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 153e0ba078e70e495115e12774ba4ffa7f132da5fa3a0d4a5d0df94079ed38d6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:20:42,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:20:42,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:20:42,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:20:42,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:20:42,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:20:42,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:20:42,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:20:42,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:20:42,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:20:42,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:20:42,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:20:42,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:20:42,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:20:42,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:20:42,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:20:42,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:20:42,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:20:42,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:20:42,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:20:42,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:20:42,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:20:42,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:20:42,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:20:42,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:20:42,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:20:42,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:20:42,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:20:42,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:20:42,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:20:42,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:20:42,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:20:42,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:20:42,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:20:42,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:20:42,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:20:42,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:20:42,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:20:42,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:20:42,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:20:42,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:20:42,902 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-21 22:20:42,949 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:20:42,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:20:42,949 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:20:42,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:20:42,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:20:42,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:20:42,951 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:20:42,954 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:20:42,954 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:20:42,955 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:20:42,955 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:20:42,955 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:20:42,955 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:20:42,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:20:42,955 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 22:20:42,955 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:20:42,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:20:42,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 22:20:42,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:20:42,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:20:42,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:20:42,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:20:42,956 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 22:20:42,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:20:42,956 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:20:42,957 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:20:42,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:20:42,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:20:42,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:20:42,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:20:42,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:20:42,957 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:20:42,958 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:20:42,958 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 153e0ba078e70e495115e12774ba4ffa7f132da5fa3a0d4a5d0df94079ed38d6 [2021-12-21 22:20:43,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:20:43,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:20:43,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:20:43,232 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:20:43,233 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:20:43,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test30-1.c [2021-12-21 22:20:43,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40dc56cd9/44de2f5ae2014a74a8d9f0b8a12e2a74/FLAGf667a9d30 [2021-12-21 22:20:43,850 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:20:43,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test30-1.c [2021-12-21 22:20:43,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40dc56cd9/44de2f5ae2014a74a8d9f0b8a12e2a74/FLAGf667a9d30 [2021-12-21 22:20:44,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40dc56cd9/44de2f5ae2014a74a8d9f0b8a12e2a74 [2021-12-21 22:20:44,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:20:44,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:20:44,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:20:44,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:20:44,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:20:44,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:20:44" (1/1) ... [2021-12-21 22:20:44,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12dc5cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:44, skipping insertion in model container [2021-12-21 22:20:44,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:20:44" (1/1) ... [2021-12-21 22:20:44,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:20:44,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:20:44,547 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/test30-1.c[560,573] [2021-12-21 22:20:44,548 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:20:44,566 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:20:44,582 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/test30-1.c[560,573] [2021-12-21 22:20:44,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:20:44,597 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:20:44,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:44 WrapperNode [2021-12-21 22:20:44,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:20:44,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:20:44,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:20:44,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:20:44,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:44" (1/1) ... [2021-12-21 22:20:44,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:44" (1/1) ... [2021-12-21 22:20:44,629 INFO L137 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2021-12-21 22:20:44,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:20:44,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:20:44,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:20:44,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:20:44,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:44" (1/1) ... [2021-12-21 22:20:44,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:44" (1/1) ... [2021-12-21 22:20:44,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:44" (1/1) ... [2021-12-21 22:20:44,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:44" (1/1) ... [2021-12-21 22:20:44,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:44" (1/1) ... [2021-12-21 22:20:44,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:44" (1/1) ... [2021-12-21 22:20:44,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:44" (1/1) ... [2021-12-21 22:20:44,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:20:44,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:20:44,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:20:44,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:20:44,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:44" (1/1) ... [2021-12-21 22:20:44,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:20:44,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:20:44,764 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) [2021-12-21 22:20:44,787 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 [2021-12-21 22:20:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 22:20:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 22:20:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 22:20:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 22:20:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 22:20:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:20:44,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:20:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 22:20:44,932 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:20:44,933 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:20:45,156 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:20:45,160 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:20:45,172 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 22:20:45,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:20:45 BoogieIcfgContainer [2021-12-21 22:20:45,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:20:45,175 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:20:45,175 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:20:45,178 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:20:45,178 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:20:45,179 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:20:44" (1/3) ... [2021-12-21 22:20:45,180 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@751e703e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:20:45, skipping insertion in model container [2021-12-21 22:20:45,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:20:45,180 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:20:44" (2/3) ... [2021-12-21 22:20:45,180 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@751e703e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:20:45, skipping insertion in model container [2021-12-21 22:20:45,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:20:45,181 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:20:45" (3/3) ... [2021-12-21 22:20:45,182 INFO L388 chiAutomizerObserver]: Analyzing ICFG test30-1.c [2021-12-21 22:20:45,260 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:20:45,261 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:20:45,261 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:20:45,261 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:20:45,261 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:20:45,261 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:20:45,261 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:20:45,262 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:20:45,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2021-12-21 22:20:45,290 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-21 22:20:45,291 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-21 22:20:45,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.12 10:20:45 BoogieIcfgContainer [2021-12-21 22:20:45,295 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-21 22:20:45,300 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 22:20:45,300 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 22:20:45,301 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 22:20:45,301 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:20:45" (3/4) ... [2021-12-21 22:20:45,304 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 22:20:45,304 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 22:20:45,307 INFO L158 Benchmark]: Toolchain (without parser) took 960.30ms. Allocated memory is still 167.8MB. Free memory was 138.6MB in the beginning and 126.2MB in the end (delta: 12.4MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-12-21 22:20:45,309 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:20:45,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.01ms. Allocated memory is still 167.8MB. Free memory was 138.6MB in the beginning and 144.4MB in the end (delta: -5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 22:20:45,311 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.69ms. Allocated memory is still 167.8MB. Free memory was 144.4MB in the beginning and 143.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:20:45,312 INFO L158 Benchmark]: Boogie Preprocessor took 41.21ms. Allocated memory is still 167.8MB. Free memory was 143.0MB in the beginning and 142.1MB in the end (delta: 936.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:20:45,313 INFO L158 Benchmark]: RCFGBuilder took 500.71ms. Allocated memory is still 167.8MB. Free memory was 141.5MB in the beginning and 131.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 22:20:45,314 INFO L158 Benchmark]: BuchiAutomizer took 120.61ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 126.2MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-21 22:20:45,315 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 167.8MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:20:45,322 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 48.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.01ms. Allocated memory is still 167.8MB. Free memory was 138.6MB in the beginning and 144.4MB in the end (delta: -5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.69ms. Allocated memory is still 167.8MB. Free memory was 144.4MB in the beginning and 143.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.21ms. Allocated memory is still 167.8MB. Free memory was 143.0MB in the beginning and 142.1MB in the end (delta: 936.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 500.71ms. Allocated memory is still 167.8MB. Free memory was 141.5MB in the beginning and 131.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 120.61ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 126.2MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 167.8MB. Free memory is still 126.2MB. 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! [2021-12-21 22:20:45,369 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