./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b5699aa Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ecdcbfa6-7b38-4853-b924-5c87b41dbeb3/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ecdcbfa6-7b38-4853-b924-5c87b41dbeb3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ecdcbfa6-7b38-4853-b924-5c87b41dbeb3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ecdcbfa6-7b38-4853-b924-5c87b41dbeb3/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ecdcbfa6-7b38-4853-b924-5c87b41dbeb3/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ecdcbfa6-7b38-4853-b924-5c87b41dbeb3/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99a77f5372e1d3174eb539425b8da52ff3b34c76 ............................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:22:45,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:22:45,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:22:45,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:22:45,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:22:45,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:22:45,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:22:45,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:22:45,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:22:45,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:22:45,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:22:45,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:22:45,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:22:45,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:22:45,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:22:46,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:22:46,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:22:46,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:22:46,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:22:46,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:22:46,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:22:46,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:22:46,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:22:46,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:22:46,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:22:46,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:22:46,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:22:46,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:22:46,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:22:46,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:22:46,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:22:46,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:22:46,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:22:46,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:22:46,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:22:46,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:22:46,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:22:46,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:22:46,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:22:46,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:22:46,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:22:46,029 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ecdcbfa6-7b38-4853-b924-5c87b41dbeb3/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2019-11-26 02:22:46,053 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:22:46,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:22:46,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:22:46,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:22:46,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:22:46,064 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:22:46,065 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:22:46,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:22:46,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:22:46,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:22:46,066 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 02:22:46,066 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 02:22:46,066 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 02:22:46,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:22:46,066 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:22:46,067 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:22:46,067 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:22:46,067 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:22:46,068 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:22:46,068 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:22:46,068 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:22:46,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:22:46,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:22:46,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:22:46,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:22:46,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:22:46,069 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:22:46,070 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:22:46,070 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-11-26 02:22:46,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:22:46,071 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_ecdcbfa6-7b38-4853-b924-5c87b41dbeb3/bin/ukojak 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(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99a77f5372e1d3174eb539425b8da52ff3b34c76 [2019-11-26 02:22:46,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:22:46,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:22:46,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:22:46,247 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:22:46,248 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:22:46,248 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ecdcbfa6-7b38-4853-b924-5c87b41dbeb3/bin/ukojak/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-26 02:22:46,306 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ecdcbfa6-7b38-4853-b924-5c87b41dbeb3/bin/ukojak/data/c39e66310/2bf1a7e016554e82b456808bbd29d016/FLAGd40953ee8 [2019-11-26 02:22:46,732 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:22:46,741 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ecdcbfa6-7b38-4853-b924-5c87b41dbeb3/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-11-26 02:22:46,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ecdcbfa6-7b38-4853-b924-5c87b41dbeb3/bin/ukojak/data/c39e66310/2bf1a7e016554e82b456808bbd29d016/FLAGd40953ee8 [2019-11-26 02:22:46,765 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ecdcbfa6-7b38-4853-b924-5c87b41dbeb3/bin/ukojak/data/c39e66310/2bf1a7e016554e82b456808bbd29d016 [2019-11-26 02:22:46,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:22:46,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:22:46,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:22:46,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:22:46,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:22:46,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:22:46" (1/1) ... [2019-11-26 02:22:46,774 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 26.11 02:22:46, skipping insertion in model container [2019-11-26 02:22:46,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:22:46" (1/1) ... [2019-11-26 02:22:46,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:22:46,830 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:22:47,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:22:47,173 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:22:47,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:22:47,273 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:22:47,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:47 WrapperNode [2019-11-26 02:22:47,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:22:47,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:22:47,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:22:47,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:22:47,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:47" (1/1) ... [2019-11-26 02:22:47,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:47" (1/1) ... [2019-11-26 02:22:47,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:22:47,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:22:47,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:22:47,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:22:47,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:47" (1/1) ... [2019-11-26 02:22:47,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:47" (1/1) ... [2019-11-26 02:22:47,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:47" (1/1) ... [2019-11-26 02:22:47,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:47" (1/1) ... [2019-11-26 02:22:47,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:47" (1/1) ... [2019-11-26 02:22:47,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:47" (1/1) ... [2019-11-26 02:22:47,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:47" (1/1) ... [2019-11-26 02:22:47,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:22:47,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:22:47,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:22:47,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:22:47,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:22:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ecdcbfa6-7b38-4853-b924-5c87b41dbeb3/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:22:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:22:47,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:22:47,796 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:22:47,802 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:22:47,825 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:22:47,832 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:22:47,835 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:22:47,843 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:22:47,848 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:22:47,856 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:22:47,860 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:22:47,864 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:22:47,865 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:22:47,873 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:22:48,843 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2019-11-26 02:22:48,843 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2019-11-26 02:22:48,843 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2019-11-26 02:22:48,843 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2019-11-26 02:22:48,844 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2019-11-26 02:22:48,844 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2019-11-26 02:22:48,846 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2019-11-26 02:22:48,847 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2019-11-26 02:22:48,847 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2019-11-26 02:22:48,847 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2019-11-26 02:22:48,847 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-11-26 02:22:48,847 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-11-26 02:22:48,847 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2019-11-26 02:22:48,848 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2019-11-26 02:22:48,848 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2019-11-26 02:22:48,848 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2019-11-26 02:22:48,848 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2019-11-26 02:22:48,848 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2019-11-26 02:22:48,848 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2019-11-26 02:22:48,849 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2019-11-26 02:22:48,849 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-11-26 02:22:48,849 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-11-26 02:22:48,849 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2019-11-26 02:22:48,849 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2019-11-26 02:22:52,168 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:22:52,168 INFO L284 CfgBuilder]: Removed 154 assume(true) statements. [2019-11-26 02:22:52,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:22:52 BoogieIcfgContainer [2019-11-26 02:22:52,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:22:52,170 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:22:52,170 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:22:52,180 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:22:52,181 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:22:52" (1/1) ... [2019-11-26 02:22:52,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:22:52,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:22:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2019-11-26 02:22:52,226 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2019-11-26 02:22:52,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:22:52,230 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2019-11-26 02:22:52,247 INFO L765 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2019-11-26 02:22:52,293 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,297 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,297 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,297 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,297 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,297 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,297 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,297 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,298 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,298 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,298 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,298 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,298 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,298 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,298 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,298 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,299 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,299 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,299 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,299 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,299 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,299 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,299 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,299 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,300 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:22:52,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:22:52 ImpRootNode [2019-11-26 02:22:52,300 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:22:52,300 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:22:52,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:22:52,304 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:22:52,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:22:52" (3/4) ... [2019-11-26 02:22:52,308 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:22:52,351 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 275 nodes and edges [2019-11-26 02:22:52,354 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2019-11-26 02:22:52,356 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:22:52,517 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ecdcbfa6-7b38-4853-b924-5c87b41dbeb3/bin/ukojak/witness.graphml [2019-11-26 02:22:52,517 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:22:52,519 INFO L168 Benchmark]: Toolchain (without parser) took 5751.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -193.8 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:22:52,519 INFO L168 Benchmark]: CDTParser took 0.19 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. [2019-11-26 02:22:52,520 INFO L168 Benchmark]: CACSL2BoogieTranslator took 505.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:22:52,520 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.72 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. [2019-11-26 02:22:52,521 INFO L168 Benchmark]: Boogie Preprocessor took 70.53 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. [2019-11-26 02:22:52,521 INFO L168 Benchmark]: RCFGBuilder took 4741.59 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -61.8 MB). Peak memory consumption was 255.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:22:52,521 INFO L168 Benchmark]: CodeCheck took 129.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:22:52,522 INFO L168 Benchmark]: Witness Printer took 217.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:22:52,524 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 51 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 359]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 505.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -185.0 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.53 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 4741.59 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -61.8 MB). Peak memory consumption was 255.0 MB. Max. memory is 11.5 GB. * CodeCheck took 129.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Witness Printer took 217.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...