./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/test_cut_trace.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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_cut_trace.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 aa918e27d73dead2f011063ee4df28e5f424dc3f0d36e3805fb1a8f2e9758de1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 03:57:11,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 03:57:11,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 03:57:11,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 03:57:11,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 03:57:11,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 03:57:11,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 03:57:11,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 03:57:11,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 03:57:11,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 03:57:11,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 03:57:11,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 03:57:11,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 03:57:11,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 03:57:11,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 03:57:11,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 03:57:11,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 03:57:11,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 03:57:11,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 03:57:11,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 03:57:11,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 03:57:11,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 03:57:11,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 03:57:11,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 03:57:11,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 03:57:11,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 03:57:11,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 03:57:11,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 03:57:11,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 03:57:11,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 03:57:11,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 03:57:11,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 03:57:11,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 03:57:11,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 03:57:11,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 03:57:11,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 03:57:11,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 03:57:11,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 03:57:11,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 03:57:11,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 03:57:11,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 03:57:11,887 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 03:57:11,929 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 03:57:11,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 03:57:11,929 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 03:57:11,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 03:57:11,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 03:57:11,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 03:57:11,931 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 03:57:11,931 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 03:57:11,931 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 03:57:11,931 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 03:57:11,932 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 03:57:11,932 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 03:57:11,932 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 03:57:11,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 03:57:11,932 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 03:57:11,932 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 03:57:11,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 03:57:11,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 03:57:11,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 03:57:11,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 03:57:11,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 03:57:11,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 03:57:11,933 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 03:57:11,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 03:57:11,934 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 03:57:11,934 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 03:57:11,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 03:57:11,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 03:57:11,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 03:57:11,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 03:57:11,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 03:57:11,935 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 03:57:11,943 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa918e27d73dead2f011063ee4df28e5f424dc3f0d36e3805fb1a8f2e9758de1 [2022-02-21 03:57:12,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 03:57:12,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 03:57:12,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 03:57:12,322 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 03:57:12,322 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 03:57:12,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/test_cut_trace.i [2022-02-21 03:57:12,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f960924ef/653750d916d34c58a26296050cc54b16/FLAG079a2af19 [2022-02-21 03:57:12,792 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 03:57:12,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/test_cut_trace.i [2022-02-21 03:57:12,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f960924ef/653750d916d34c58a26296050cc54b16/FLAG079a2af19 [2022-02-21 03:57:13,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f960924ef/653750d916d34c58a26296050cc54b16 [2022-02-21 03:57:13,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 03:57:13,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 03:57:13,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 03:57:13,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 03:57:13,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 03:57:13,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:57:13" (1/1) ... [2022-02-21 03:57:13,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1815746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:13, skipping insertion in model container [2022-02-21 03:57:13,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:57:13" (1/1) ... [2022-02-21 03:57:13,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 03:57:13,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 03:57:13,387 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_cut_trace.i[296,309] [2022-02-21 03:57:13,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:57:13,445 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 03:57:13,461 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_cut_trace.i[296,309] [2022-02-21 03:57:13,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 03:57:13,488 INFO L208 MainTranslator]: Completed translation [2022-02-21 03:57:13,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:13 WrapperNode [2022-02-21 03:57:13,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 03:57:13,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 03:57:13,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 03:57:13,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 03:57:13,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:13" (1/1) ... [2022-02-21 03:57:13,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:13" (1/1) ... [2022-02-21 03:57:13,518 INFO L137 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 26 [2022-02-21 03:57:13,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 03:57:13,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 03:57:13,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 03:57:13,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 03:57:13,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:13" (1/1) ... [2022-02-21 03:57:13,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:13" (1/1) ... [2022-02-21 03:57:13,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:13" (1/1) ... [2022-02-21 03:57:13,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:13" (1/1) ... [2022-02-21 03:57:13,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:13" (1/1) ... [2022-02-21 03:57:13,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:13" (1/1) ... [2022-02-21 03:57:13,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:13" (1/1) ... [2022-02-21 03:57:13,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 03:57:13,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 03:57:13,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 03:57:13,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 03:57:13,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:13" (1/1) ... [2022-02-21 03:57:13,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 03:57:13,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 03:57:13,581 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) [2022-02-21 03:57:13,610 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 [2022-02-21 03:57:13,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 03:57:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 03:57:13,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 03:57:13,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 03:57:13,674 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 03:57:13,676 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 03:57:13,769 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 03:57:13,777 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 03:57:13,778 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-21 03:57:13,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:57:13 BoogieIcfgContainer [2022-02-21 03:57:13,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 03:57:13,781 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 03:57:13,781 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 03:57:13,784 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 03:57:13,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:57:13,785 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 03:57:13" (1/3) ... [2022-02-21 03:57:13,786 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ef40ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:57:13, skipping insertion in model container [2022-02-21 03:57:13,786 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:57:13,786 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:57:13" (2/3) ... [2022-02-21 03:57:13,787 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ef40ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 03:57:13, skipping insertion in model container [2022-02-21 03:57:13,787 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 03:57:13,787 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:57:13" (3/3) ... [2022-02-21 03:57:13,789 INFO L388 chiAutomizerObserver]: Analyzing ICFG test_cut_trace.i [2022-02-21 03:57:13,852 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 03:57:13,852 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 03:57:13,852 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 03:57:13,852 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 03:57:13,853 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 03:57:13,853 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 03:57:13,853 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 03:57:13,853 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 03:57:13,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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) [2022-02-21 03:57:13,896 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-02-21 03:57:13,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-02-21 03:57:13,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 03:57:13 BoogieIcfgContainer [2022-02-21 03:57:13,899 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 03:57:13,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 03:57:13,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 03:57:13,901 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 03:57:13,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:57:13" (3/4) ... [2022-02-21 03:57:13,904 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-21 03:57:13,904 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 03:57:13,906 INFO L158 Benchmark]: Toolchain (without parser) took 665.17ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 62.3MB in the beginning and 84.1MB in the end (delta: -21.9MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-02-21 03:57:13,907 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory was 49.0MB in the beginning and 49.0MB in the end (delta: 43.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:57:13,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.23ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 62.1MB in the beginning and 100.4MB in the end (delta: -38.3MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-02-21 03:57:13,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.50ms. Allocated memory is still 123.7MB. Free memory was 100.4MB in the beginning and 98.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 03:57:13,910 INFO L158 Benchmark]: Boogie Preprocessor took 20.18ms. Allocated memory is still 123.7MB. Free memory was 98.8MB in the beginning and 98.3MB in the end (delta: 494.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:57:13,911 INFO L158 Benchmark]: RCFGBuilder took 238.77ms. Allocated memory is still 123.7MB. Free memory was 97.9MB in the beginning and 90.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 03:57:13,912 INFO L158 Benchmark]: BuchiAutomizer took 118.96ms. Allocated memory is still 123.7MB. Free memory was 89.5MB in the beginning and 84.6MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-21 03:57:13,912 INFO L158 Benchmark]: Witness Printer took 3.49ms. Allocated memory is still 123.7MB. Free memory was 84.6MB in the beginning and 84.1MB in the end (delta: 443.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 03:57:13,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory was 49.0MB in the beginning and 49.0MB in the end (delta: 43.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.23ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 62.1MB in the beginning and 100.4MB in the end (delta: -38.3MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.50ms. Allocated memory is still 123.7MB. Free memory was 100.4MB in the beginning and 98.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.18ms. Allocated memory is still 123.7MB. Free memory was 98.8MB in the beginning and 98.3MB in the end (delta: 494.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 238.77ms. Allocated memory is still 123.7MB. Free memory was 97.9MB in the beginning and 90.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 118.96ms. Allocated memory is still 123.7MB. Free memory was 89.5MB in the beginning and 84.6MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 3.49ms. Allocated memory is still 123.7MB. Free memory was 84.6MB in the beginning and 84.1MB in the end (delta: 443.7kB). 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! [2022-02-21 03:57:13,978 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