./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d 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_1.3.100.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 fb0d163b15d3c265ca05b2b9dcc84c96a983bffe ................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:46:10,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:46:10,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:46:10,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:46:10,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:46:10,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:46:10,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:46:10,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:46:10,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:46:10,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:46:10,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:46:10,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:46:10,709 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:46:10,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:46:10,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:46:10,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:46:10,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:46:10,715 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:46:10,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:46:10,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:46:10,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:46:10,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:46:10,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:46:10,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:46:10,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:46:10,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:46:10,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:46:10,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:46:10,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:46:10,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:46:10,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:46:10,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:46:10,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:46:10,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:46:10,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:46:10,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:46:10,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:46:10,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:46:10,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:46:10,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:46:10,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:46:10,741 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 06:46:10,768 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:46:10,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:46:10,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:46:10,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:46:10,771 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:46:10,771 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:46:10,771 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:46:10,772 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:46:10,772 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:46:10,772 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:46:10,772 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:46:10,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:46:10,773 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:46:10,773 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:46:10,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:46:10,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:46:10,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:46:10,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:46:10,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:46:10,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:46:10,775 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:46:10,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:46:10,775 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:46:10,776 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:46:10,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:46:10,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:46:10,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:46:10,777 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:46:10,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:46:10,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:46:10,777 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:46:10,778 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:46:10,779 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:46:10,779 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 -> fb0d163b15d3c265ca05b2b9dcc84c96a983bffe [2020-10-20 06:46:11,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:46:11,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:46:11,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:46:11,052 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:46:11,052 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:46:11,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-10-20 06:46:11,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3fc53c5b/3f15b78b822c4156a285a752db1408f3/FLAG8d55ca861 [2020-10-20 06:46:11,677 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:46:11,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-10-20 06:46:11,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3fc53c5b/3f15b78b822c4156a285a752db1408f3/FLAG8d55ca861 [2020-10-20 06:46:12,024 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3fc53c5b/3f15b78b822c4156a285a752db1408f3 [2020-10-20 06:46:12,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:46:12,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:46:12,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:46:12,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:46:12,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:46:12,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:46:12" (1/1) ... [2020-10-20 06:46:12,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c9e15d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:12, skipping insertion in model container [2020-10-20 06:46:12,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:46:12" (1/1) ... [2020-10-20 06:46:12,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:46:12,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:46:12,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:46:12,514 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:46:12,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:46:12,599 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:46:12,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:12 WrapperNode [2020-10-20 06:46:12,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:46:12,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:46:12,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:46:12,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:46:12,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:12" (1/1) ... [2020-10-20 06:46:12,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:12" (1/1) ... [2020-10-20 06:46:12,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:46:12,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:46:12,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:46:12,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:46:12,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:12" (1/1) ... [2020-10-20 06:46:12,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:12" (1/1) ... [2020-10-20 06:46:12,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:12" (1/1) ... [2020-10-20 06:46:12,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:12" (1/1) ... [2020-10-20 06:46:12,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:12" (1/1) ... [2020-10-20 06:46:12,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:12" (1/1) ... [2020-10-20 06:46:12,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:12" (1/1) ... [2020-10-20 06:46:12,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:46:12,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:46:12,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:46:12,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:46:12,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:12" (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 [2020-10-20 06:46:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 06:46:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:46:12,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:46:12,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:46:12,989 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:13,002 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:13,008 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:13,017 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:13,026 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:13,035 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:13,045 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-20 06:46:13,778 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2020-10-20 06:46:13,778 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2020-10-20 06:46:13,779 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##184: assume false; [2020-10-20 06:46:13,779 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##185: assume !false; [2020-10-20 06:46:13,779 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !false; [2020-10-20 06:46:13,781 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume false; [2020-10-20 06:46:13,781 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2020-10-20 06:46:13,781 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2020-10-20 06:46:13,782 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-10-20 06:46:13,782 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-10-20 06:46:13,783 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2020-10-20 06:46:13,783 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2020-10-20 06:46:13,783 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2020-10-20 06:46:13,784 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2020-10-20 06:46:13,807 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:46:13,808 INFO L298 CfgBuilder]: Removed 110 assume(true) statements. [2020-10-20 06:46:13,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:46:13 BoogieIcfgContainer [2020-10-20 06:46:13,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:46:13,813 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:46:13,813 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:46:13,817 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:46:13,818 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:46:13,818 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:46:12" (1/3) ... [2020-10-20 06:46:13,819 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38189f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:46:13, skipping insertion in model container [2020-10-20 06:46:13,819 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:46:13,820 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:46:12" (2/3) ... [2020-10-20 06:46:13,820 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38189f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:46:13, skipping insertion in model container [2020-10-20 06:46:13,821 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:46:13,821 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:46:13" (3/3) ... [2020-10-20 06:46:13,825 INFO L373 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2020-10-20 06:46:13,877 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:46:13,877 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:46:13,878 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:46:13,878 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:46:13,878 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:46:13,878 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:46:13,878 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:46:13,878 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:46:13,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 173 states. [2020-10-20 06:46:13,928 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:46:13,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:46:13,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:46:13 BoogieIcfgContainer [2020-10-20 06:46:13,933 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:46:13,933 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:46:13,933 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:46:13,934 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:46:13,935 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:46:13" (3/4) ... [2020-10-20 06:46:13,938 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:46:13,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:46:13,941 INFO L168 Benchmark]: Toolchain (without parser) took 1909.99 ms. Allocated memory was 35.7 MB in the beginning and 56.6 MB in the end (delta: 21.0 MB). Free memory was 12.7 MB in the beginning and 34.1 MB in the end (delta: -21.4 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:46:13,942 INFO L168 Benchmark]: CDTParser took 1.66 ms. Allocated memory is still 34.1 MB. Free memory was 19.5 MB in the beginning and 19.4 MB in the end (delta: 34.4 kB). Peak memory consumption was 34.4 kB. Max. memory is 14.3 GB. [2020-10-20 06:46:13,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.01 ms. Allocated memory was 35.7 MB in the beginning and 44.0 MB in the end (delta: 8.4 MB). Free memory was 11.9 MB in the beginning and 22.4 MB in the end (delta: -10.5 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:13,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.70 ms. Allocated memory is still 44.0 MB. Free memory was 22.4 MB in the beginning and 18.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:13,945 INFO L168 Benchmark]: Boogie Preprocessor took 56.26 ms. Allocated memory is still 44.0 MB. Free memory was 18.8 MB in the beginning and 16.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:13,946 INFO L168 Benchmark]: RCFGBuilder took 1073.61 ms. Allocated memory was 44.0 MB in the beginning and 54.0 MB in the end (delta: 10.0 MB). Free memory was 16.1 MB in the beginning and 19.9 MB in the end (delta: -3.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:13,947 INFO L168 Benchmark]: BuchiAutomizer took 120.10 ms. Allocated memory was 54.0 MB in the beginning and 56.6 MB in the end (delta: 2.6 MB). Free memory was 19.6 MB in the beginning and 34.6 MB in the end (delta: -15.0 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:46:13,947 INFO L168 Benchmark]: Witness Printer took 5.14 ms. Allocated memory is still 56.6 MB. Free memory was 34.6 MB in the beginning and 34.1 MB in the end (delta: 441.4 kB). Peak memory consumption was 441.4 kB. Max. memory is 14.3 GB. [2020-10-20 06:46:13,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.66 ms. Allocated memory is still 34.1 MB. Free memory was 19.5 MB in the beginning and 19.4 MB in the end (delta: 34.4 kB). Peak memory consumption was 34.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 564.01 ms. Allocated memory was 35.7 MB in the beginning and 44.0 MB in the end (delta: 8.4 MB). Free memory was 11.9 MB in the beginning and 22.4 MB in the end (delta: -10.5 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 80.70 ms. Allocated memory is still 44.0 MB. Free memory was 22.4 MB in the beginning and 18.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 56.26 ms. Allocated memory is still 44.0 MB. Free memory was 18.8 MB in the beginning and 16.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1073.61 ms. Allocated memory was 44.0 MB in the beginning and 54.0 MB in the end (delta: 10.0 MB). Free memory was 16.1 MB in the beginning and 19.9 MB in the end (delta: -3.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 120.10 ms. Allocated memory was 54.0 MB in the beginning and 56.6 MB in the end (delta: 2.6 MB). Free memory was 19.6 MB in the beginning and 34.6 MB in the end (delta: -15.0 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * Witness Printer took 5.14 ms. Allocated memory is still 56.6 MB. Free memory was 34.6 MB in the beginning and 34.1 MB in the end (delta: 441.4 kB). Peak memory consumption was 441.4 kB. Max. memory is 14.3 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 0.0s 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: 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...