./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_simpl1.cil.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 a3956b9d522359ca85af7edde8f84196cd7ca984 ................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:42:53,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:42:53,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:42:53,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:42:53,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:42:53,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:42:53,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:42:53,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:42:53,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:42:53,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:42:53,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:42:53,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:42:53,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:42:53,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:42:53,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:42:53,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:42:53,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:42:53,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:42:53,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:42:53,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:42:53,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:42:53,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:42:53,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:42:53,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:42:53,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:42:53,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:42:53,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:42:53,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:42:53,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:42:53,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:42:53,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:42:53,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:42:53,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:42:53,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:42:53,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:42:53,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:42:53,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:42:53,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:42:53,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:42:53,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:42:53,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:42:53,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 01:42:53,715 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:42:53,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:42:53,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:42:53,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:42:53,717 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:42:53,717 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:42:53,718 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:42:53,718 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:42:53,718 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:42:53,718 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:42:53,719 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:42:53,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:42:53,719 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:42:53,719 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:42:53,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:42:53,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:42:53,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:42:53,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:42:53,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:42:53,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:42:53,721 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:42:53,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:42:53,722 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:42:53,722 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:42:53,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:42:53,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:42:53,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:42:53,723 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:42:53,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:42:53,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:42:53,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:42:53,724 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:42:53,725 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:42:53,725 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> a3956b9d522359ca85af7edde8f84196cd7ca984 [2020-07-29 01:42:54,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:42:54,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:42:54,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:42:54,078 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:42:54,078 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:42:54,079 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-07-29 01:42:54,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8f91038a/c432d0d9d0f6408fad4eadb84207e8ad/FLAGa3a44222e [2020-07-29 01:42:54,644 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:42:54,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-07-29 01:42:54,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8f91038a/c432d0d9d0f6408fad4eadb84207e8ad/FLAGa3a44222e [2020-07-29 01:42:54,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8f91038a/c432d0d9d0f6408fad4eadb84207e8ad [2020-07-29 01:42:54,963 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:42:54,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:42:54,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:42:54,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:42:54,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:42:54,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:42:54" (1/1) ... [2020-07-29 01:42:54,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7f32e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:54, skipping insertion in model container [2020-07-29 01:42:54,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:42:54" (1/1) ... [2020-07-29 01:42:54,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:42:55,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:42:55,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:42:55,361 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:42:55,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:42:55,500 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:42:55,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:55 WrapperNode [2020-07-29 01:42:55,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:42:55,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:42:55,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:42:55,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:42:55,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:55" (1/1) ... [2020-07-29 01:42:55,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:55" (1/1) ... [2020-07-29 01:42:55,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:42:55,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:42:55,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:42:55,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:42:55,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:55" (1/1) ... [2020-07-29 01:42:55,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:55" (1/1) ... [2020-07-29 01:42:55,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:55" (1/1) ... [2020-07-29 01:42:55,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:55" (1/1) ... [2020-07-29 01:42:55,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:55" (1/1) ... [2020-07-29 01:42:55,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:55" (1/1) ... [2020-07-29 01:42:55,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:55" (1/1) ... [2020-07-29 01:42:55,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:42:55,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:42:55,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:42:55,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:42:55,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:42:55,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:42:55,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:42:55,827 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:55,836 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:55,839 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:55,843 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:55,848 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:55,852 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:55,857 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:56,874 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2020-07-29 01:42:56,875 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2020-07-29 01:42:56,875 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##184: assume false; [2020-07-29 01:42:56,875 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##185: assume !false; [2020-07-29 01:42:56,876 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !false; [2020-07-29 01:42:56,876 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume false; [2020-07-29 01:42:56,876 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2020-07-29 01:42:56,876 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2020-07-29 01:42:56,877 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-07-29 01:42:56,877 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-07-29 01:42:56,877 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2020-07-29 01:42:56,877 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2020-07-29 01:42:56,877 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2020-07-29 01:42:56,878 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2020-07-29 01:42:56,889 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:42:56,889 INFO L295 CfgBuilder]: Removed 78 assume(true) statements. [2020-07-29 01:42:56,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:42:56 BoogieIcfgContainer [2020-07-29 01:42:56,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:42:56,896 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:42:56,896 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:42:56,900 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:42:56,901 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:42:56,901 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:42:54" (1/3) ... [2020-07-29 01:42:56,903 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32acdee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:42:56, skipping insertion in model container [2020-07-29 01:42:56,903 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:42:56,903 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:55" (2/3) ... [2020-07-29 01:42:56,904 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32acdee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:42:56, skipping insertion in model container [2020-07-29 01:42:56,904 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:42:56,904 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:42:56" (3/3) ... [2020-07-29 01:42:56,906 INFO L371 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2020-07-29 01:42:56,967 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:42:56,967 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:42:56,967 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:42:56,968 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:42:56,968 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:42:56,968 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:42:56,968 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:42:56,969 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:42:56,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states. [2020-07-29 01:42:57,053 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:42:57,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:42:57,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:42:57 BoogieIcfgContainer [2020-07-29 01:42:57,059 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:42:57,060 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:42:57,060 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:42:57,060 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:42:57,061 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:42:56" (3/4) ... [2020-07-29 01:42:57,065 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:42:57,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:42:57,068 INFO L168 Benchmark]: Toolchain (without parser) took 2102.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.6 MB). Free memory was 950.8 MB in the beginning and 955.2 MB in the end (delta: -4.4 MB). Peak memory consumption was 73.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:57,069 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:42:57,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 533.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.6 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -113.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:57,071 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:57,071 INFO L168 Benchmark]: Boogie Preprocessor took 44.25 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:42:57,072 INFO L168 Benchmark]: RCFGBuilder took 1263.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 962.2 MB in the end (delta: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:57,073 INFO L168 Benchmark]: BuchiAutomizer took 163.65 ms. Allocated memory is still 1.1 GB. Free memory was 962.2 MB in the beginning and 955.2 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:57,074 INFO L168 Benchmark]: Witness Printer took 5.30 ms. Allocated memory is still 1.1 GB. Free memory is still 955.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:42:57,078 INFO L336 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 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 533.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.6 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -113.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.25 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1263.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 962.2 MB in the end (delta: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 163.65 ms. Allocated memory is still 1.1 GB. Free memory was 962.2 MB in the beginning and 955.2 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.30 ms. Allocated memory is still 1.1 GB. Free memory is still 955.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * 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 0.1s 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: No data available 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! Received shutdown request...