./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e0d5536f9cd1f3a5d711f95a0369e25308fe790 .................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:53:15,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:53:15,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:53:15,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:53:15,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:53:15,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:53:15,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:53:15,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:53:15,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:53:15,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:53:15,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:53:15,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:53:15,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:53:15,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:53:15,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:53:15,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:53:15,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:53:15,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:53:15,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:53:15,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:53:15,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:53:15,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:53:15,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:53:15,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:53:15,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:53:15,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:53:15,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:53:15,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:53:15,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:53:15,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:53:15,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:53:15,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:53:15,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:53:15,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:53:15,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:53:15,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:53:15,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:53:15,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:53:15,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:53:15,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:53:15,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:53:15,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 18:53:15,720 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:53:15,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:53:15,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:53:15,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:53:15,723 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:53:15,724 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:53:15,724 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:53:15,724 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:53:15,724 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:53:15,725 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:53:15,726 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:53:15,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:53:15,727 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:53:15,727 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:53:15,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:53:15,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:53:15,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:53:15,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:53:15,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:53:15,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:53:15,729 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:53:15,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:53:15,730 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:53:15,730 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:53:15,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:53:15,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:53:15,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:53:15,731 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:53:15,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:53:15,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:53:15,732 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:53:15,733 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:53:15,734 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:53:15,735 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 -> 3e0d5536f9cd1f3a5d711f95a0369e25308fe790 [2020-10-19 18:53:16,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:53:16,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:53:16,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:53:16,095 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:53:16,098 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:53:16,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-10-19 18:53:16,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f47af27c4/fe7e5e01738346cfb717a52c30511d8c/FLAG5660e2545 [2020-10-19 18:53:16,651 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:53:16,652 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2020-10-19 18:53:16,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f47af27c4/fe7e5e01738346cfb717a52c30511d8c/FLAG5660e2545 [2020-10-19 18:53:16,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f47af27c4/fe7e5e01738346cfb717a52c30511d8c [2020-10-19 18:53:16,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:53:16,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:53:16,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:53:16,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:53:16,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:53:16,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:53:16" (1/1) ... [2020-10-19 18:53:16,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205d88d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:53:16, skipping insertion in model container [2020-10-19 18:53:16,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:53:16" (1/1) ... [2020-10-19 18:53:17,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:53:17,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:53:17,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:53:17,436 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:53:17,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:53:17,629 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:53:17,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:53:17 WrapperNode [2020-10-19 18:53:17,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:53:17,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:53:17,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:53:17,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:53:17,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:53:17" (1/1) ... [2020-10-19 18:53:17,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:53:17" (1/1) ... [2020-10-19 18:53:17,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:53:17,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:53:17,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:53:17,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:53:17,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:53:17" (1/1) ... [2020-10-19 18:53:17,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:53:17" (1/1) ... [2020-10-19 18:53:17,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:53:17" (1/1) ... [2020-10-19 18:53:17,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:53:17" (1/1) ... [2020-10-19 18:53:17,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:53:17" (1/1) ... [2020-10-19 18:53:17,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:53:17" (1/1) ... [2020-10-19 18:53:17,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:53:17" (1/1) ... [2020-10-19 18:53:17,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:53:17,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:53:17,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:53:17,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:53:17,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:53:17" (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 [2020-10-19 18:53:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:53:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 18:53:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:53:17,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:53:18,097 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:53:18,105 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:53:18,116 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:53:18,136 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:53:18,148 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:53:18,163 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:53:18,179 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:53:18,195 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:53:18,208 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:53:18,217 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:53:18,219 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:53:18,228 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-19 18:53:18,965 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2020-10-19 18:53:18,965 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2020-10-19 18:53:18,965 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2020-10-19 18:53:18,966 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2020-10-19 18:53:18,966 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2020-10-19 18:53:18,966 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2020-10-19 18:53:18,966 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2020-10-19 18:53:18,966 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2020-10-19 18:53:18,967 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2020-10-19 18:53:18,967 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2020-10-19 18:53:18,967 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-10-19 18:53:18,968 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-10-19 18:53:18,968 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2020-10-19 18:53:18,968 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2020-10-19 18:53:18,968 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2020-10-19 18:53:18,969 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2020-10-19 18:53:18,969 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2020-10-19 18:53:18,969 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2020-10-19 18:53:18,969 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2020-10-19 18:53:18,969 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2020-10-19 18:53:18,970 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-19 18:53:18,970 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-19 18:53:18,970 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2020-10-19 18:53:18,970 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2020-10-19 18:53:18,987 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:53:18,987 INFO L298 CfgBuilder]: Removed 210 assume(true) statements. [2020-10-19 18:53:18,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:53:18 BoogieIcfgContainer [2020-10-19 18:53:18,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:53:18,991 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:53:18,992 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:53:18,996 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:53:18,997 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:53:18,997 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:53:16" (1/3) ... [2020-10-19 18:53:18,998 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50cebf4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:53:18, skipping insertion in model container [2020-10-19 18:53:18,999 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:53:18,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:53:17" (2/3) ... [2020-10-19 18:53:18,999 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50cebf4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:53:18, skipping insertion in model container [2020-10-19 18:53:18,999 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:53:18,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:53:18" (3/3) ... [2020-10-19 18:53:19,001 INFO L373 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl2.cil-1.c [2020-10-19 18:53:19,054 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:53:19,055 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:53:19,055 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:53:19,055 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:53:19,055 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:53:19,055 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:53:19,055 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:53:19,056 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:53:19,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 328 states. [2020-10-19 18:53:19,134 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 18:53:19,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 18:53:19,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:53:19 BoogieIcfgContainer [2020-10-19 18:53:19,141 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:53:19,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:53:19,142 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:53:19,142 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:53:19,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:53:18" (3/4) ... [2020-10-19 18:53:19,147 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 18:53:19,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:53:19,150 INFO L168 Benchmark]: Toolchain (without parser) took 2169.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 958.6 MB in the beginning and 982.5 MB in the end (delta: -23.9 MB). Peak memory consumption was 103.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:53:19,151 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:53:19,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 958.6 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2020-10-19 18:53:19,153 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.38 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:53:19,154 INFO L168 Benchmark]: Boogie Preprocessor took 111.16 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. [2020-10-19 18:53:19,155 INFO L168 Benchmark]: RCFGBuilder took 1153.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.2 MB in the end (delta: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 11.5 GB. [2020-10-19 18:53:19,156 INFO L168 Benchmark]: BuchiAutomizer took 149.66 ms. Allocated memory is still 1.2 GB. Free memory was 989.2 MB in the beginning and 982.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:53:19,157 INFO L168 Benchmark]: Witness Printer took 5.98 ms. Allocated memory is still 1.2 GB. Free memory is still 982.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:53:19,161 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 643.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 958.6 MB in the beginning and 1.1 GB in the end (delta: -156.9 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.38 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 111.16 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. * RCFGBuilder took 1153.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 989.2 MB in the end (delta: 106.1 MB). Peak memory consumption was 106.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 149.66 ms. Allocated memory is still 1.2 GB. Free memory was 989.2 MB in the beginning and 982.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.98 ms. Allocated memory is still 1.2 GB. Free memory is still 982.5 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 0.0s 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...