./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/jain_6-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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/bitvector/jain_6-1.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 de5b2075d4abb79268518f13a43be5f1c1d9b9145e6334b0e9e03aa6c29e2c89 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 01:45:55,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 01:45:55,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 01:45:55,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 01:45:55,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 01:45:55,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 01:45:55,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 01:45:55,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 01:45:55,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 01:45:55,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 01:45:55,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 01:45:55,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 01:45:55,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 01:45:55,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 01:45:55,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 01:45:55,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 01:45:55,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 01:45:55,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 01:45:55,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 01:45:55,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 01:45:55,905 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 01:45:55,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 01:45:55,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 01:45:55,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 01:45:55,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 01:45:55,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 01:45:55,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 01:45:55,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 01:45:55,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 01:45:55,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 01:45:55,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 01:45:55,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 01:45:55,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 01:45:55,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 01:45:55,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 01:45:55,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 01:45:55,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 01:45:55,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 01:45:55,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 01:45:55,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 01:45:55,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 01:45:55,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 01:45:55,935 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 01:45:55,967 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 01:45:55,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 01:45:55,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 01:45:55,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 01:45:55,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 01:45:55,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 01:45:55,971 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 01:45:55,971 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 01:45:55,971 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 01:45:55,972 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 01:45:55,972 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 01:45:55,972 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 01:45:55,972 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 01:45:55,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 01:45:55,973 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 01:45:55,973 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 01:45:55,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 01:45:55,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 01:45:55,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 01:45:55,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 01:45:55,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 01:45:55,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 01:45:55,974 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 01:45:55,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 01:45:55,975 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 01:45:55,975 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 01:45:55,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 01:45:55,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 01:45:55,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 01:45:55,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 01:45:55,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 01:45:55,978 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 01:45:55,979 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de5b2075d4abb79268518f13a43be5f1c1d9b9145e6334b0e9e03aa6c29e2c89 [2022-07-22 01:45:56,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 01:45:56,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 01:45:56,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 01:45:56,314 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 01:45:56,314 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 01:45:56,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_6-1.c [2022-07-22 01:45:56,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29793bb6f/823b3d89573549eb8e017fe778029c2b/FLAG6b461efc0 [2022-07-22 01:45:56,743 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 01:45:56,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_6-1.c [2022-07-22 01:45:56,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29793bb6f/823b3d89573549eb8e017fe778029c2b/FLAG6b461efc0 [2022-07-22 01:45:57,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29793bb6f/823b3d89573549eb8e017fe778029c2b [2022-07-22 01:45:57,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 01:45:57,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 01:45:57,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 01:45:57,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 01:45:57,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 01:45:57,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:45:57" (1/1) ... [2022-07-22 01:45:57,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb766c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:45:57, skipping insertion in model container [2022-07-22 01:45:57,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:45:57" (1/1) ... [2022-07-22 01:45:57,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 01:45:57,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 01:45:57,331 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/bitvector/jain_6-1.c[675,688] [2022-07-22 01:45:57,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:45:57,351 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 01:45:57,360 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/bitvector/jain_6-1.c[675,688] [2022-07-22 01:45:57,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 01:45:57,380 INFO L208 MainTranslator]: Completed translation [2022-07-22 01:45:57,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:45:57 WrapperNode [2022-07-22 01:45:57,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 01:45:57,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 01:45:57,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 01:45:57,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 01:45:57,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:45:57" (1/1) ... [2022-07-22 01:45:57,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:45:57" (1/1) ... [2022-07-22 01:45:57,438 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-07-22 01:45:57,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 01:45:57,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 01:45:57,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 01:45:57,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 01:45:57,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:45:57" (1/1) ... [2022-07-22 01:45:57,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:45:57" (1/1) ... [2022-07-22 01:45:57,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:45:57" (1/1) ... [2022-07-22 01:45:57,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:45:57" (1/1) ... [2022-07-22 01:45:57,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:45:57" (1/1) ... [2022-07-22 01:45:57,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:45:57" (1/1) ... [2022-07-22 01:45:57,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:45:57" (1/1) ... [2022-07-22 01:45:57,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 01:45:57,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 01:45:57,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 01:45:57,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 01:45:57,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:45:57" (1/1) ... [2022-07-22 01:45:57,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 01:45:57,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 01:45:57,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 01:45:57,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 01:45:57,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 01:45:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 01:45:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 01:45:57,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 01:45:57,596 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 01:45:57,597 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 01:45:57,686 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 01:45:57,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 01:45:57,693 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 01:45:57,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:45:57 BoogieIcfgContainer [2022-07-22 01:45:57,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 01:45:57,696 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 01:45:57,696 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 01:45:57,698 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 01:45:57,699 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:45:57,699 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 01:45:57" (1/3) ... [2022-07-22 01:45:57,700 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3980a6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:45:57, skipping insertion in model container [2022-07-22 01:45:57,700 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:45:57,701 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:45:57" (2/3) ... [2022-07-22 01:45:57,701 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3980a6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 01:45:57, skipping insertion in model container [2022-07-22 01:45:57,701 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 01:45:57,701 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:45:57" (3/3) ... [2022-07-22 01:45:57,703 INFO L354 chiAutomizerObserver]: Analyzing ICFG jain_6-1.c [2022-07-22 01:45:57,755 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 01:45:57,755 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 01:45:57,755 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 01:45:57,755 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 01:45:57,755 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 01:45:57,755 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 01:45:57,755 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 01:45:57,755 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 01:45:57,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:45:57,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-22 01:45:57,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:45:57,777 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:45:57,781 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 01:45:57,781 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:45:57,782 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 01:45:57,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 01:45:57,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-07-22 01:45:57,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 01:45:57,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 01:45:57,784 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-22 01:45:57,784 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-22 01:45:57,790 INFO L752 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~z~0#1 := 0; 6#L28-2true [2022-07-22 01:45:57,790 INFO L754 eck$LassoCheckResult]: Loop: 6#L28-2true assume !false;main_~x~0#1 := main_~x~0#1 + 2 * main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~y~0#1 := main_~y~0#1 + 4 * main_#t~nondet5#1;havoc main_#t~nondet5#1;main_~z~0#1 := main_~z~0#1 + 8 * main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 4 != (4 * main_~x~0#1 + 2 * main_~y~0#1 + main_~z~0#1) % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 5#L15true assume !(0 == __VERIFIER_assert_~cond#1); 10#L15-2true assume { :end_inline___VERIFIER_assert } true; 6#L28-2true [2022-07-22 01:45:57,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:45:57,800 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-22 01:45:57,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:45:57,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706417367] [2022-07-22 01:45:57,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:45:57,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:45:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:45:57,884 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:45:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:45:57,924 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:45:57,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:45:57,926 INFO L85 PathProgramCache]: Analyzing trace with hash 40941, now seen corresponding path program 1 times [2022-07-22 01:45:57,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:45:57,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880427698] [2022-07-22 01:45:57,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:45:57,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:45:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:45:57,951 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:45:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:45:57,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:45:57,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 01:45:57,973 INFO L85 PathProgramCache]: Analyzing trace with hash 28699883, now seen corresponding path program 1 times [2022-07-22 01:45:57,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 01:45:57,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997419953] [2022-07-22 01:45:57,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 01:45:57,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 01:45:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:45:58,000 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 01:45:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 01:45:58,028 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 01:45:58,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 01:45:58 BoogieIcfgContainer [2022-07-22 01:45:58,359 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 01:45:58,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 01:45:58,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 01:45:58,361 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 01:45:58,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:45:57" (3/4) ... [2022-07-22 01:45:58,363 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-22 01:45:58,399 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 01:45:58,400 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 01:45:58,403 INFO L158 Benchmark]: Toolchain (without parser) took 1234.54ms. Allocated memory is still 54.5MB. Free memory was 37.4MB in the beginning and 27.0MB in the end (delta: 10.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-07-22 01:45:58,403 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 44.0MB. Free memory was 25.8MB in the beginning and 25.8MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:45:58,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.06ms. Allocated memory is still 54.5MB. Free memory was 37.2MB in the beginning and 27.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 01:45:58,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.58ms. Allocated memory is still 54.5MB. Free memory was 27.7MB in the beginning and 38.4MB in the end (delta: -10.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 01:45:58,404 INFO L158 Benchmark]: Boogie Preprocessor took 23.76ms. Allocated memory is still 54.5MB. Free memory was 38.4MB in the beginning and 37.5MB in the end (delta: 940.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:45:58,405 INFO L158 Benchmark]: RCFGBuilder took 229.49ms. Allocated memory is still 54.5MB. Free memory was 37.3MB in the beginning and 29.2MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 01:45:58,405 INFO L158 Benchmark]: BuchiAutomizer took 663.45ms. Allocated memory is still 54.5MB. Free memory was 29.2MB in the beginning and 28.7MB in the end (delta: 484.3kB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2022-07-22 01:45:58,406 INFO L158 Benchmark]: Witness Printer took 39.83ms. Allocated memory is still 54.5MB. Free memory was 28.7MB in the beginning and 27.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 01:45:58,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 44.0MB. Free memory was 25.8MB in the beginning and 25.8MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.06ms. Allocated memory is still 54.5MB. Free memory was 37.2MB in the beginning and 27.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.58ms. Allocated memory is still 54.5MB. Free memory was 27.7MB in the beginning and 38.4MB in the end (delta: -10.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.76ms. Allocated memory is still 54.5MB. Free memory was 38.4MB in the beginning and 37.5MB in the end (delta: 940.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 229.49ms. Allocated memory is still 54.5MB. Free memory was 37.3MB in the beginning and 29.2MB in the end (delta: 8.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 663.45ms. Allocated memory is still 54.5MB. Free memory was 29.2MB in the beginning and 28.7MB in the end (delta: 484.3kB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Witness Printer took 39.83ms. Allocated memory is still 54.5MB. Free memory was 28.7MB in the beginning and 27.0MB in the end (delta: 1.7MB). 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 into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. 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: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 1]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {y=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3344b1c5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11f2f5f0=0, x=0, NULL=0, NULL=0, \old(cond)=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20fbf52e=0, NULL=1, \result=0, z=0, cond=1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 28]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L22] unsigned int x,y,z; [L24] x=0U [L25] y=0U [L26] z=0U Loop: [L28] COND TRUE 1 [L30] x = x +2U*__VERIFIER_nondet_uint() [L31] y = y +4U*__VERIFIER_nondet_uint() [L32] z = z +8U*__VERIFIER_nondet_uint() [L34] CALL __VERIFIER_assert(4U*x+2U*y+z!=4U) [L15] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(4U*x+2U*y+z!=4U) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-22 01:45:58,452 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)