./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_67e80ca5-e339-4c39-b487-7a8b1fb0da8c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_67e80ca5-e339-4c39-b487-7a8b1fb0da8c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_67e80ca5-e339-4c39-b487-7a8b1fb0da8c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_67e80ca5-e339-4c39-b487-7a8b1fb0da8c/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_67e80ca5-e339-4c39-b487-7a8b1fb0da8c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_67e80ca5-e339-4c39-b487-7a8b1fb0da8c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a3956b9d522359ca85af7edde8f84196cd7ca984 ............................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:19:40,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:19:40,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:19:40,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:19:40,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:19:40,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:19:40,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:19:40,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:19:40,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:19:40,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:19:40,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:19:40,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:19:40,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:19:40,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:19:40,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:19:40,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:19:40,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:19:40,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:19:40,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:19:40,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:19:40,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:19:40,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:19:40,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:19:40,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:19:40,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:19:40,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:19:40,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:19:40,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:19:40,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:19:40,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:19:40,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:19:40,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:19:40,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:19:40,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:19:40,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:19:40,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:19:40,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:19:40,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:19:40,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:19:40,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:19:40,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:19:40,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_67e80ca5-e339-4c39-b487-7a8b1fb0da8c/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 21:19:40,632 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:19:40,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:19:40,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:19:40,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:19:40,635 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:19:40,635 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 21:19:40,635 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 21:19:40,636 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 21:19:40,636 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 21:19:40,636 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 21:19:40,637 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 21:19:40,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:19:40,637 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:19:40,638 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 21:19:40,638 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:19:40,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:19:40,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:19:40,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 21:19:40,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 21:19:40,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 21:19:40,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:19:40,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:19:40,639 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 21:19:40,640 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:19:40,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 21:19:40,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:19:40,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:19:40,641 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 21:19:40,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:19:40,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:19:40,641 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 21:19:40,643 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 21:19:40,643 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_67e80ca5-e339-4c39-b487-7a8b1fb0da8c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3956b9d522359ca85af7edde8f84196cd7ca984 [2019-11-15 21:19:40,684 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:19:40,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:19:40,703 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:19:40,704 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:19:40,705 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:19:40,705 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_67e80ca5-e339-4c39-b487-7a8b1fb0da8c/bin/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-15 21:19:40,759 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_67e80ca5-e339-4c39-b487-7a8b1fb0da8c/bin/uautomizer/data/7ca4c8d25/0ce01cad5fcc461a92ef1bfb30b86da5/FLAG4ebd8a665 [2019-11-15 21:19:41,227 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:19:41,228 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_67e80ca5-e339-4c39-b487-7a8b1fb0da8c/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-15 21:19:41,242 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_67e80ca5-e339-4c39-b487-7a8b1fb0da8c/bin/uautomizer/data/7ca4c8d25/0ce01cad5fcc461a92ef1bfb30b86da5/FLAG4ebd8a665 [2019-11-15 21:19:41,253 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_67e80ca5-e339-4c39-b487-7a8b1fb0da8c/bin/uautomizer/data/7ca4c8d25/0ce01cad5fcc461a92ef1bfb30b86da5 [2019-11-15 21:19:41,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:19:41,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:19:41,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:19:41,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:19:41,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:19:41,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:19:41" (1/1) ... [2019-11-15 21:19:41,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3f706d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:19:41, skipping insertion in model container [2019-11-15 21:19:41,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:19:41" (1/1) ... [2019-11-15 21:19:41,271 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:19:41,323 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:19:41,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:19:41,577 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:19:41,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:19:41,639 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:19:41,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:19:41 WrapperNode [2019-11-15 21:19:41,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:19:41,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:19:41,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:19:41,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:19:41,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:19:41" (1/1) ... [2019-11-15 21:19:41,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:19:41" (1/1) ... [2019-11-15 21:19:41,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:19:41,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:19:41,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:19:41,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:19:41,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:19:41" (1/1) ... [2019-11-15 21:19:41,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:19:41" (1/1) ... [2019-11-15 21:19:41,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:19:41" (1/1) ... [2019-11-15 21:19:41,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:19:41" (1/1) ... [2019-11-15 21:19:41,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:19:41" (1/1) ... [2019-11-15 21:19:41,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:19:41" (1/1) ... [2019-11-15 21:19:41,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:19:41" (1/1) ... [2019-11-15 21:19:41,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:19:41,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:19:41,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:19:41,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:19:41,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:19:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_67e80ca5-e339-4c39-b487-7a8b1fb0da8c/bin/uautomizer/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 [2019-11-15 21:19:41,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:19:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:19:41,925 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:19:41,931 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:19:41,935 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:19:41,939 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:19:41,945 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:19:41,949 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:19:41,952 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-15 21:19:42,512 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2019-11-15 21:19:42,512 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2019-11-15 21:19:42,512 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##184: assume false; [2019-11-15 21:19:42,512 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##185: assume !false; [2019-11-15 21:19:42,513 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !false; [2019-11-15 21:19:42,513 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume false; [2019-11-15 21:19:42,513 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2019-11-15 21:19:42,513 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2019-11-15 21:19:42,513 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2019-11-15 21:19:42,513 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2019-11-15 21:19:42,514 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2019-11-15 21:19:42,514 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2019-11-15 21:19:42,514 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2019-11-15 21:19:42,514 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2019-11-15 21:19:42,516 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:19:42,516 INFO L284 CfgBuilder]: Removed 78 assume(true) statements. [2019-11-15 21:19:42,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:19:42 BoogieIcfgContainer [2019-11-15 21:19:42,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:19:42,518 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 21:19:42,518 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 21:19:42,522 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 21:19:42,522 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 21:19:42,523 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 09:19:41" (1/3) ... [2019-11-15 21:19:42,524 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6485090f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 09:19:42, skipping insertion in model container [2019-11-15 21:19:42,524 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 21:19:42,524 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:19:41" (2/3) ... [2019-11-15 21:19:42,525 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6485090f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 09:19:42, skipping insertion in model container [2019-11-15 21:19:42,525 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 21:19:42,525 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:19:42" (3/3) ... [2019-11-15 21:19:42,527 INFO L371 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2019-11-15 21:19:42,572 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 21:19:42,572 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 21:19:42,572 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 21:19:42,572 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:19:42,573 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:19:42,573 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 21:19:42,573 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:19:42,573 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 21:19:42,592 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states. [2019-11-15 21:19:42,634 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 21:19:42,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 21:19:42,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 09:19:42 BoogieIcfgContainer [2019-11-15 21:19:42,642 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 21:19:42,642 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:19:42,642 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:19:42,643 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:19:42,643 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:19:42" (3/4) ... [2019-11-15 21:19:42,648 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 21:19:42,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:19:42,651 INFO L168 Benchmark]: Toolchain (without parser) took 1394.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -110.5 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:19:42,652 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:19:42,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 21:19:42,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.73 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. [2019-11-15 21:19:42,653 INFO L168 Benchmark]: Boogie Preprocessor took 41.27 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:19:42,654 INFO L168 Benchmark]: RCFGBuilder took 778.66 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: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:19:42,655 INFO L168 Benchmark]: BuchiAutomizer took 123.86 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:19:42,655 INFO L168 Benchmark]: Witness Printer took 6.72 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. [2019-11-15 21:19:42,658 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.73 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. * Boogie Preprocessor took 41.27 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 778.66 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: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 123.86 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 6.72 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. * 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...