./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c 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/ntdrivers-simplified/kbfiltr_simpl2.cil-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 bf75d7f1708750397c6bdac14ac08b964b10a95dcecc15b57a02c9969977c6ec --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 03:27:51,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 03:27:51,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 03:27:51,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 03:27:51,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 03:27:51,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 03:27:51,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 03:27:51,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 03:27:51,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 03:27:51,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 03:27:51,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 03:27:51,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 03:27:51,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 03:27:51,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 03:27:51,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 03:27:51,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 03:27:51,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 03:27:51,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 03:27:51,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 03:27:51,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 03:27:51,536 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 03:27:51,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 03:27:51,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 03:27:51,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 03:27:51,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 03:27:51,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 03:27:51,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 03:27:51,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 03:27:51,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 03:27:51,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 03:27:51,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 03:27:51,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 03:27:51,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 03:27:51,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 03:27:51,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 03:27:51,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 03:27:51,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 03:27:51,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 03:27:51,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 03:27:51,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 03:27:51,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 03:27:51,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 03:27:51,560 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 03:27:51,598 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 03:27:51,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 03:27:51,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 03:27:51,599 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 03:27:51,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 03:27:51,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 03:27:51,601 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 03:27:51,601 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 03:27:51,602 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 03:27:51,602 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 03:27:51,603 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 03:27:51,603 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 03:27:51,603 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 03:27:51,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 03:27:51,604 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 03:27:51,604 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 03:27:51,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 03:27:51,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 03:27:51,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 03:27:51,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 03:27:51,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 03:27:51,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 03:27:51,605 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 03:27:51,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 03:27:51,606 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 03:27:51,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 03:27:51,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 03:27:51,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 03:27:51,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 03:27:51,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 03:27:51,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 03:27:51,608 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 03:27:51,608 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf75d7f1708750397c6bdac14ac08b964b10a95dcecc15b57a02c9969977c6ec [2022-07-13 03:27:51,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 03:27:51,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 03:27:51,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 03:27:51,888 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 03:27:51,891 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 03:27:51,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2022-07-13 03:27:51,965 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56f99b6ee/18b6de75177c4ddaaff76eec528c41a0/FLAG3d6fafe7b [2022-07-13 03:27:52,378 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 03:27:52,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2022-07-13 03:27:52,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56f99b6ee/18b6de75177c4ddaaff76eec528c41a0/FLAG3d6fafe7b [2022-07-13 03:27:52,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56f99b6ee/18b6de75177c4ddaaff76eec528c41a0 [2022-07-13 03:27:52,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 03:27:52,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 03:27:52,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 03:27:52,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 03:27:52,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 03:27:52,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:27:52" (1/1) ... [2022-07-13 03:27:52,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230d5b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:52, skipping insertion in model container [2022-07-13 03:27:52,419 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:27:52" (1/1) ... [2022-07-13 03:27:52,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 03:27:52,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 03:27:52,758 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/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c[29620,29633] [2022-07-13 03:27:52,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:27:52,775 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 03:27:52,861 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/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c[29620,29633] [2022-07-13 03:27:52,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:27:52,877 INFO L208 MainTranslator]: Completed translation [2022-07-13 03:27:52,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:52 WrapperNode [2022-07-13 03:27:52,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 03:27:52,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 03:27:52,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 03:27:52,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 03:27:52,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:52" (1/1) ... [2022-07-13 03:27:52,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:52" (1/1) ... [2022-07-13 03:27:52,950 INFO L137 Inliner]: procedures = 29, calls = 43, calls flagged for inlining = 38, calls inlined = 76, statements flattened = 1375 [2022-07-13 03:27:52,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 03:27:52,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 03:27:52,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 03:27:52,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 03:27:52,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:52" (1/1) ... [2022-07-13 03:27:52,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:52" (1/1) ... [2022-07-13 03:27:52,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:52" (1/1) ... [2022-07-13 03:27:52,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:52" (1/1) ... [2022-07-13 03:27:52,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:52" (1/1) ... [2022-07-13 03:27:52,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:52" (1/1) ... [2022-07-13 03:27:52,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:52" (1/1) ... [2022-07-13 03:27:53,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 03:27:53,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 03:27:53,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 03:27:53,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 03:27:53,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:52" (1/1) ... [2022-07-13 03:27:53,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:27:53,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:27:53,104 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) [2022-07-13 03:27:53,106 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 [2022-07-13 03:27:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 03:27:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 03:27:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 03:27:53,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 03:27:53,244 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 03:27:53,245 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 03:27:53,253 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:53,259 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:53,266 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:53,274 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:53,279 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:53,283 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:53,289 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:53,294 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:53,300 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:53,304 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:53,308 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:53,319 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-13 03:27:53,981 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2022-07-13 03:27:53,981 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2022-07-13 03:27:53,981 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2022-07-13 03:27:53,982 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2022-07-13 03:27:53,982 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2022-07-13 03:27:53,982 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2022-07-13 03:27:53,982 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2022-07-13 03:27:53,982 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2022-07-13 03:27:53,982 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2022-07-13 03:27:53,982 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2022-07-13 03:27:53,983 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-07-13 03:27:53,983 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-07-13 03:27:53,983 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2022-07-13 03:27:53,983 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2022-07-13 03:27:53,983 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2022-07-13 03:27:53,983 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2022-07-13 03:27:53,984 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2022-07-13 03:27:53,984 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2022-07-13 03:27:53,984 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2022-07-13 03:27:53,984 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2022-07-13 03:27:53,984 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2022-07-13 03:27:53,984 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2022-07-13 03:27:53,985 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2022-07-13 03:27:53,986 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2022-07-13 03:27:53,986 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 03:27:54,002 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 03:27:54,003 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 03:27:54,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:27:54 BoogieIcfgContainer [2022-07-13 03:27:54,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 03:27:54,007 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 03:27:54,007 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 03:27:54,010 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 03:27:54,011 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:27:54,011 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 03:27:52" (1/3) ... [2022-07-13 03:27:54,012 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@612df746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:27:54, skipping insertion in model container [2022-07-13 03:27:54,012 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:27:54,013 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:27:52" (2/3) ... [2022-07-13 03:27:54,014 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@612df746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:27:54, skipping insertion in model container [2022-07-13 03:27:54,014 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:27:54,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:27:54" (3/3) ... [2022-07-13 03:27:54,016 INFO L354 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl2.cil-1.c [2022-07-13 03:27:54,077 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 03:27:54,077 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 03:27:54,078 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 03:27:54,078 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 03:27:54,078 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 03:27:54,078 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 03:27:54,078 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 03:27:54,078 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 03:27:54,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 339 states, 338 states have (on average 1.482248520710059) internal successors, (501), 338 states have internal predecessors, (501), 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) [2022-07-13 03:27:54,115 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 03:27:54,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-13 03:27:54,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 03:27:54 BoogieIcfgContainer [2022-07-13 03:27:54,119 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 03:27:54,120 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 03:27:54,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 03:27:54,120 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 03:27:54,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:27:54" (3/4) ... [2022-07-13 03:27:54,122 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 03:27:54,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 03:27:54,124 INFO L158 Benchmark]: Toolchain (without parser) took 1710.27ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 38.2MB in the end (delta: 26.5MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2022-07-13 03:27:54,125 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 79.7MB. Free memory was 57.9MB in the beginning and 57.9MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:27:54,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.43ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 69.1MB in the end (delta: -4.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-13 03:27:54,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.31ms. Allocated memory is still 98.6MB. Free memory was 69.1MB in the beginning and 63.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 03:27:54,127 INFO L158 Benchmark]: Boogie Preprocessor took 49.89ms. Allocated memory is still 98.6MB. Free memory was 63.6MB in the beginning and 59.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 03:27:54,145 INFO L158 Benchmark]: RCFGBuilder took 1003.87ms. Allocated memory is still 98.6MB. Free memory was 59.4MB in the beginning and 46.1MB in the end (delta: 13.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2022-07-13 03:27:54,145 INFO L158 Benchmark]: BuchiAutomizer took 111.92ms. Allocated memory is still 98.6MB. Free memory was 46.1MB in the beginning and 38.2MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 03:27:54,146 INFO L158 Benchmark]: Witness Printer took 2.84ms. Allocated memory is still 98.6MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:27:54,149 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 79.7MB. Free memory was 57.9MB in the beginning and 57.9MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.43ms. Allocated memory is still 98.6MB. Free memory was 64.7MB in the beginning and 69.1MB in the end (delta: -4.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.31ms. Allocated memory is still 98.6MB. Free memory was 69.1MB in the beginning and 63.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.89ms. Allocated memory is still 98.6MB. Free memory was 63.6MB in the beginning and 59.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1003.87ms. Allocated memory is still 98.6MB. Free memory was 59.4MB in the beginning and 46.1MB in the end (delta: 13.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 111.92ms. Allocated memory is still 98.6MB. Free memory was 46.1MB in the beginning and 38.2MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 2.84ms. Allocated memory is still 98.6MB. Free memory is still 38.2MB. 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-13 03:27:54,176 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