./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_edf4b011-0332-411b-b9d8-95c11f3ef113/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_edf4b011-0332-411b-b9d8-95c11f3ef113/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_edf4b011-0332-411b-b9d8-95c11f3ef113/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_edf4b011-0332-411b-b9d8-95c11f3ef113/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_edf4b011-0332-411b-b9d8-95c11f3ef113/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_edf4b011-0332-411b-b9d8-95c11f3ef113/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 0.1.24-6b5699a [2019-11-25 08:51:25,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:51:25,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:51:25,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:51:25,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:51:25,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:51:25,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:51:25,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:51:25,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:51:25,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:51:25,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:51:25,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:51:25,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:51:25,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:51:25,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:51:25,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:51:25,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:51:25,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:51:25,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:51:25,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:51:25,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:51:25,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:51:25,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:51:25,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:51:25,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:51:25,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:51:25,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:51:25,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:51:25,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:51:25,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:51:25,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:51:25,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:51:25,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:51:25,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:51:26,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:51:26,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:51:26,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:51:26,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:51:26,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:51:26,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:51:26,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:51:26,005 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_edf4b011-0332-411b-b9d8-95c11f3ef113/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:51:26,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:51:26,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:51:26,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:51:26,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:51:26,035 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:51:26,035 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:51:26,036 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:51:26,036 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:51:26,036 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:51:26,036 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:51:26,036 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:51:26,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:51:26,037 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:51:26,037 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:51:26,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:51:26,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:51:26,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:51:26,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:51:26,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:51:26,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:51:26,039 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:51:26,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:51:26,039 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:51:26,039 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:51:26,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:51:26,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:51:26,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:51:26,040 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:51:26,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:51:26,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:51:26,041 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:51:26,042 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:51:26,042 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_edf4b011-0332-411b-b9d8-95c11f3ef113/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 [2019-11-25 08:51:26,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:51:26,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:51:26,202 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:51:26,204 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:51:26,204 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:51:26,205 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_edf4b011-0332-411b-b9d8-95c11f3ef113/bin/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-25 08:51:26,254 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_edf4b011-0332-411b-b9d8-95c11f3ef113/bin/uautomizer/data/481a4edb3/9f8cfbaaa54745d89ef116f2b70a5b12/FLAG47508f17a [2019-11-25 08:51:26,685 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:51:26,689 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_edf4b011-0332-411b-b9d8-95c11f3ef113/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-11-25 08:51:26,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_edf4b011-0332-411b-b9d8-95c11f3ef113/bin/uautomizer/data/481a4edb3/9f8cfbaaa54745d89ef116f2b70a5b12/FLAG47508f17a [2019-11-25 08:51:26,724 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_edf4b011-0332-411b-b9d8-95c11f3ef113/bin/uautomizer/data/481a4edb3/9f8cfbaaa54745d89ef116f2b70a5b12 [2019-11-25 08:51:26,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:51:26,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:51:26,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:26,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:51:26,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:51:26,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:26" (1/1) ... [2019-11-25 08:51:26,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@792ccda9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:26, skipping insertion in model container [2019-11-25 08:51:26,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:51:26" (1/1) ... [2019-11-25 08:51:26,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:51:26,798 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:51:27,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:27,099 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:51:27,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:51:27,159 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:51:27,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:27 WrapperNode [2019-11-25 08:51:27,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:51:27,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:27,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:51:27,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:51:27,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:27" (1/1) ... [2019-11-25 08:51:27,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:27" (1/1) ... [2019-11-25 08:51:27,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:51:27,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:51:27,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:51:27,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:51:27,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:27" (1/1) ... [2019-11-25 08:51:27,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:27" (1/1) ... [2019-11-25 08:51:27,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:27" (1/1) ... [2019-11-25 08:51:27,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:27" (1/1) ... [2019-11-25 08:51:27,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:27" (1/1) ... [2019-11-25 08:51:27,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:27" (1/1) ... [2019-11-25 08:51:27,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:27" (1/1) ... [2019-11-25 08:51:27,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:51:27,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:51:27,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:51:27,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:51:27,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_edf4b011-0332-411b-b9d8-95c11f3ef113/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 [2019-11-25 08:51:27,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:51:27,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:51:27,427 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:51:27,431 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:51:27,435 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:51:27,438 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:51:27,441 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:51:27,445 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:51:27,448 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:51:28,017 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2019-11-25 08:51:28,017 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2019-11-25 08:51:28,017 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##184: assume false; [2019-11-25 08:51:28,017 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##185: assume !false; [2019-11-25 08:51:28,017 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##58: assume !false; [2019-11-25 08:51:28,017 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##57: assume false; [2019-11-25 08:51:28,018 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2019-11-25 08:51:28,018 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2019-11-25 08:51:28,018 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2019-11-25 08:51:28,018 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2019-11-25 08:51:28,018 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2019-11-25 08:51:28,019 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2019-11-25 08:51:28,019 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2019-11-25 08:51:28,019 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2019-11-25 08:51:28,020 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:51:28,020 INFO L284 CfgBuilder]: Removed 78 assume(true) statements. [2019-11-25 08:51:28,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:28 BoogieIcfgContainer [2019-11-25 08:51:28,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:51:28,022 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:51:28,022 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:51:28,026 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:51:28,026 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:51:28,027 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:51:26" (1/3) ... [2019-11-25 08:51:28,027 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43cd9bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:51:28, skipping insertion in model container [2019-11-25 08:51:28,028 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:51:28,028 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:51:27" (2/3) ... [2019-11-25 08:51:28,028 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@43cd9bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:51:28, skipping insertion in model container [2019-11-25 08:51:28,028 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:51:28,028 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:28" (3/3) ... [2019-11-25 08:51:28,030 INFO L371 chiAutomizerObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2019-11-25 08:51:28,064 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:51:28,064 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:51:28,064 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:51:28,065 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:51:28,065 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:51:28,065 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:51:28,065 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:51:28,065 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:51:28,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states. [2019-11-25 08:51:28,112 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:51:28,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:51:28,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:51:28 BoogieIcfgContainer [2019-11-25 08:51:28,116 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:51:28,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:51:28,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:51:28,117 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:51:28,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:51:28" (3/4) ... [2019-11-25 08:51:28,120 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:51:28,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:51:28,122 INFO L168 Benchmark]: Toolchain (without parser) took 1393.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -91.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:28,123 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:28,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 427.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:28,124 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:28,124 INFO L168 Benchmark]: Boogie Preprocessor took 40.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:28,125 INFO L168 Benchmark]: RCFGBuilder took 764.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:28,126 INFO L168 Benchmark]: BuchiAutomizer took 94.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:51:28,126 INFO L168 Benchmark]: Witness Printer took 3.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:51:28,129 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 427.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 764.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 57.3 MB). Peak memory consumption was 57.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 94.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.91 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 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...