./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.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_simpl2.cil-2.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 99a77f5372e1d3174eb539425b8da52ff3b34c76 .................................................................................................................................................................................................................................................. 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 01:42:54,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:42:54,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:42:54,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:42:54,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:42:54,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:42:54,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:42:54,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:42:54,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:42:54,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:42:54,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:42:54,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:42:54,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:42:54,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:42:54,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:42:54,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:42:54,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:42:54,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:42:54,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:42:54,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:42:54,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:42:54,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:42:54,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:42:54,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:42:54,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:42:54,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:42:54,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:42:54,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:42:54,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:42:54,706 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:42:54,707 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:42:54,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:42:54,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:42:54,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:42:54,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:42:54,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:42:54,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:42:54,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:42:54,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:42:54,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:42:54,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:42:54,719 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 01:42:54,758 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:42:54,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:42:54,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:42:54,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:42:54,764 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:42:54,764 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:42:54,765 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:42:54,765 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:42:54,765 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:42:54,765 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:42:54,767 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:42:54,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:42:54,767 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:42:54,768 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:42:54,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:42:54,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:42:54,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:42:54,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:42:54,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:42:54,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:42:54,770 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:42:54,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:42:54,771 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:42:54,771 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:42:54,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:42:54,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:42:54,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:42:54,772 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:42:54,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:42:54,773 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:42:54,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:42:54,774 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:42:54,776 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:42:54,776 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 -> 99a77f5372e1d3174eb539425b8da52ff3b34c76 [2020-07-29 01:42:55,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:42:55,161 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:42:55,165 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:42:55,167 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:42:55,168 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:42:55,168 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2020-07-29 01:42:55,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6778ce22/29ee52e7d4f04dbf9ddb67e3ed736b91/FLAGe95ed5c54 [2020-07-29 01:42:55,740 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:42:55,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2020-07-29 01:42:55,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6778ce22/29ee52e7d4f04dbf9ddb67e3ed736b91/FLAGe95ed5c54 [2020-07-29 01:42:56,100 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6778ce22/29ee52e7d4f04dbf9ddb67e3ed736b91 [2020-07-29 01:42:56,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:42:56,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:42:56,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:42:56,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:42:56,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:42:56,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:42:56" (1/1) ... [2020-07-29 01:42:56,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@921c29e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:56, skipping insertion in model container [2020-07-29 01:42:56,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:42:56" (1/1) ... [2020-07-29 01:42:56,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:42:56,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:42:56,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:42:56,593 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:42:56,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:42:56,781 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:42:56,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:56 WrapperNode [2020-07-29 01:42:56,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:42:56,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:42:56,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:42:56,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:42:56,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:56" (1/1) ... [2020-07-29 01:42:56,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:56" (1/1) ... [2020-07-29 01:42:56,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:42:56,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:42:56,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:42:56,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:42:56,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:56" (1/1) ... [2020-07-29 01:42:56,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:56" (1/1) ... [2020-07-29 01:42:57,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:56" (1/1) ... [2020-07-29 01:42:57,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:56" (1/1) ... [2020-07-29 01:42:57,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:56" (1/1) ... [2020-07-29 01:42:57,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:56" (1/1) ... [2020-07-29 01:42:57,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:56" (1/1) ... [2020-07-29 01:42:57,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:42:57,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:42:57,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:42:57,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:42:57,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:56" (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 01:42:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:42:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:42:57,583 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:57,587 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:57,593 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:57,602 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:57,604 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:57,607 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:57,611 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:57,614 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:57,618 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:57,621 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:57,623 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:57,630 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:42:59,365 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2020-07-29 01:42:59,365 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2020-07-29 01:42:59,365 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2020-07-29 01:42:59,366 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2020-07-29 01:42:59,366 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2020-07-29 01:42:59,366 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2020-07-29 01:42:59,366 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2020-07-29 01:42:59,366 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2020-07-29 01:42:59,367 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2020-07-29 01:42:59,367 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2020-07-29 01:42:59,368 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-07-29 01:42:59,368 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-07-29 01:42:59,368 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2020-07-29 01:42:59,368 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2020-07-29 01:42:59,368 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2020-07-29 01:42:59,369 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2020-07-29 01:42:59,369 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2020-07-29 01:42:59,369 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2020-07-29 01:42:59,369 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2020-07-29 01:42:59,369 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2020-07-29 01:42:59,370 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-07-29 01:42:59,370 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-07-29 01:42:59,370 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2020-07-29 01:42:59,370 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2020-07-29 01:42:59,384 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:42:59,385 INFO L295 CfgBuilder]: Removed 154 assume(true) statements. [2020-07-29 01:42:59,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:42:59 BoogieIcfgContainer [2020-07-29 01:42:59,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:42:59,394 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:42:59,394 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:42:59,399 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:42:59,400 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:42:59,400 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:42:56" (1/3) ... [2020-07-29 01:42:59,402 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f55c12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:42:59, skipping insertion in model container [2020-07-29 01:42:59,402 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:42:59,402 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:56" (2/3) ... [2020-07-29 01:42:59,402 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f55c12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:42:59, skipping insertion in model container [2020-07-29 01:42:59,403 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:42:59,403 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:42:59" (3/3) ... [2020-07-29 01:42:59,407 INFO L371 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2020-07-29 01:42:59,469 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:42:59,469 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:42:59,469 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:42:59,469 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:42:59,470 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:42:59,470 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:42:59,470 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:42:59,470 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:42:59,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 300 states. [2020-07-29 01:42:59,612 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:42:59,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:42:59,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:42:59 BoogieIcfgContainer [2020-07-29 01:42:59,620 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:42:59,620 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:42:59,620 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:42:59,621 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:42:59,622 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:42:59" (3/4) ... [2020-07-29 01:42:59,626 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:42:59,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:42:59,630 INFO L168 Benchmark]: Toolchain (without parser) took 3524.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 960.2 MB in the beginning and 917.6 MB in the end (delta: 42.6 MB). Peak memory consumption was 172.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:59,631 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:42:59,632 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:59,632 INFO L168 Benchmark]: Boogie Procedure Inliner took 194.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:59,633 INFO L168 Benchmark]: Boogie Preprocessor took 121.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:42:59,634 INFO L168 Benchmark]: RCFGBuilder took 2292.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 924.3 MB in the end (delta: 181.0 MB). Peak memory consumption was 181.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:59,635 INFO L168 Benchmark]: BuchiAutomizer took 226.15 ms. Allocated memory is still 1.2 GB. Free memory was 924.3 MB in the beginning and 917.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:59,636 INFO L168 Benchmark]: Witness Printer took 6.58 ms. Allocated memory is still 1.2 GB. Free memory is still 917.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:42:59,640 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 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 676.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 194.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 121.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2292.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 924.3 MB in the end (delta: 181.0 MB). Peak memory consumption was 181.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 226.15 ms. Allocated memory is still 1.2 GB. Free memory was 924.3 MB in the beginning and 917.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 6.58 ms. Allocated memory is still 1.2 GB. Free memory is still 917.6 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...