./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4907b631-de88-4b1b-868d-1dd92eb1a44a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4907b631-de88-4b1b-868d-1dd92eb1a44a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4907b631-de88-4b1b-868d-1dd92eb1a44a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4907b631-de88-4b1b-868d-1dd92eb1a44a/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4907b631-de88-4b1b-868d-1dd92eb1a44a/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4907b631-de88-4b1b-868d-1dd92eb1a44a/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 --- This is Ultimate 0.1.25-f470102 [2019-12-02 04:55:26,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 04:55:26,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 04:55:26,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 04:55:26,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 04:55:26,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 04:55:26,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 04:55:26,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 04:55:26,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 04:55:26,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 04:55:26,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 04:55:26,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 04:55:26,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 04:55:26,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 04:55:26,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 04:55:26,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 04:55:26,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 04:55:26,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 04:55:26,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 04:55:26,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 04:55:26,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 04:55:26,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 04:55:26,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 04:55:26,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 04:55:26,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 04:55:26,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 04:55:26,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 04:55:26,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 04:55:26,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 04:55:26,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 04:55:26,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 04:55:26,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 04:55:26,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 04:55:26,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 04:55:26,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 04:55:26,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 04:55:26,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 04:55:26,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 04:55:26,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 04:55:26,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 04:55:26,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 04:55:26,800 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4907b631-de88-4b1b-868d-1dd92eb1a44a/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-02 04:55:26,809 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 04:55:26,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 04:55:26,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 04:55:26,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 04:55:26,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 04:55:26,810 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 04:55:26,811 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-02 04:55:26,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 04:55:26,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 04:55:26,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 04:55:26,811 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-02 04:55:26,811 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-02 04:55:26,811 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-02 04:55:26,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 04:55:26,812 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 04:55:26,812 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 04:55:26,812 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 04:55:26,812 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 04:55:26,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 04:55:26,812 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 04:55:26,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 04:55:26,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 04:55:26,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 04:55:26,813 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 04:55:26,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 04:55:26,813 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_4907b631-de88-4b1b-868d-1dd92eb1a44a/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 [2019-12-02 04:55:26,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 04:55:26,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 04:55:26,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 04:55:26,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 04:55:26,929 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 04:55:26,930 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4907b631-de88-4b1b-868d-1dd92eb1a44a/bin/ukojak/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-12-02 04:55:26,975 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4907b631-de88-4b1b-868d-1dd92eb1a44a/bin/ukojak/data/ae1bb3130/2a30e8a30d204e6fbee7f4f6ec57d6d9/FLAGc39ede9e5 [2019-12-02 04:55:27,447 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 04:55:27,448 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4907b631-de88-4b1b-868d-1dd92eb1a44a/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-12-02 04:55:27,456 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4907b631-de88-4b1b-868d-1dd92eb1a44a/bin/ukojak/data/ae1bb3130/2a30e8a30d204e6fbee7f4f6ec57d6d9/FLAGc39ede9e5 [2019-12-02 04:55:27,465 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4907b631-de88-4b1b-868d-1dd92eb1a44a/bin/ukojak/data/ae1bb3130/2a30e8a30d204e6fbee7f4f6ec57d6d9 [2019-12-02 04:55:27,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 04:55:27,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 04:55:27,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 04:55:27,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 04:55:27,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 04:55:27,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:55:27" (1/1) ... [2019-12-02 04:55:27,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8a8f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:55:27, skipping insertion in model container [2019-12-02 04:55:27,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:55:27" (1/1) ... [2019-12-02 04:55:27,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 04:55:27,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 04:55:27,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 04:55:27,696 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 04:55:27,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 04:55:27,756 INFO L208 MainTranslator]: Completed translation [2019-12-02 04:55:27,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:55:27 WrapperNode [2019-12-02 04:55:27,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 04:55:27,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 04:55:27,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 04:55:27,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 04:55:27,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:55:27" (1/1) ... [2019-12-02 04:55:27,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:55:27" (1/1) ... [2019-12-02 04:55:27,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 04:55:27,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 04:55:27,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 04:55:27,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 04:55:27,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:55:27" (1/1) ... [2019-12-02 04:55:27,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:55:27" (1/1) ... [2019-12-02 04:55:27,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:55:27" (1/1) ... [2019-12-02 04:55:27,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:55:27" (1/1) ... [2019-12-02 04:55:27,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:55:27" (1/1) ... [2019-12-02 04:55:27,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:55:27" (1/1) ... [2019-12-02 04:55:27,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:55:27" (1/1) ... [2019-12-02 04:55:27,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 04:55:27,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 04:55:27,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 04:55:27,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 04:55:27,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:55:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4907b631-de88-4b1b-868d-1dd92eb1a44a/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 [2019-12-02 04:55:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 04:55:27,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 04:55:28,008 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-02 04:55:28,013 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-02 04:55:28,020 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-02 04:55:28,029 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-02 04:55:28,033 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-02 04:55:28,036 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-02 04:55:28,042 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-02 04:55:28,046 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-02 04:55:28,050 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-02 04:55:28,053 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-02 04:55:28,056 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-02 04:55:28,062 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-02 04:55:28,480 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2019-12-02 04:55:28,481 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2019-12-02 04:55:28,481 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2019-12-02 04:55:28,481 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2019-12-02 04:55:28,481 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2019-12-02 04:55:28,481 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2019-12-02 04:55:28,481 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2019-12-02 04:55:28,481 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2019-12-02 04:55:28,481 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2019-12-02 04:55:28,481 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2019-12-02 04:55:28,482 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-12-02 04:55:28,482 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-12-02 04:55:28,482 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2019-12-02 04:55:28,482 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2019-12-02 04:55:28,482 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2019-12-02 04:55:28,482 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2019-12-02 04:55:28,482 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2019-12-02 04:55:28,482 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2019-12-02 04:55:28,482 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2019-12-02 04:55:28,482 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2019-12-02 04:55:28,482 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-12-02 04:55:28,483 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-12-02 04:55:28,483 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2019-12-02 04:55:28,483 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2019-12-02 04:55:29,945 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 04:55:29,945 INFO L287 CfgBuilder]: Removed 154 assume(true) statements. [2019-12-02 04:55:29,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:55:29 BoogieIcfgContainer [2019-12-02 04:55:29,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 04:55:29,946 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 04:55:29,947 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 04:55:29,954 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 04:55:29,954 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:55:29" (1/1) ... [2019-12-02 04:55:29,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 04:55:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 04:55:29,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2019-12-02 04:55:29,986 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2019-12-02 04:55:29,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 04:55:29,988 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2019-12-02 04:55:29,994 INFO L765 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2019-12-02 04:55:30,018 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,021 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,021 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,021 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,021 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,024 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,024 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,024 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,024 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 04:55:30,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 04:55:30 ImpRootNode [2019-12-02 04:55:30,025 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 04:55:30,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 04:55:30,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 04:55:30,025 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 04:55:30,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:55:29" (3/4) ... [2019-12-02 04:55:30,029 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 04:55:30,055 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 275 nodes and edges [2019-12-02 04:55:30,058 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2019-12-02 04:55:30,060 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-02 04:55:30,184 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4907b631-de88-4b1b-868d-1dd92eb1a44a/bin/ukojak/witness.graphml [2019-12-02 04:55:30,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 04:55:30,185 INFO L168 Benchmark]: Toolchain (without parser) took 2717.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-12-02 04:55:30,186 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 04:55:30,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-12-02 04:55:30,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.08 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-02 04:55:30,186 INFO L168 Benchmark]: Boogie Preprocessor took 53.81 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. [2019-12-02 04:55:30,187 INFO L168 Benchmark]: RCFGBuilder took 2081.14 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -58.7 MB). Peak memory consumption was 256.9 MB. Max. memory is 11.5 GB. [2019-12-02 04:55:30,187 INFO L168 Benchmark]: CodeCheck took 78.27 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2019-12-02 04:55:30,188 INFO L168 Benchmark]: Witness Printer took 158.82 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: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2019-12-02 04:55:30,189 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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.08 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.81 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. * RCFGBuilder took 2081.14 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 67.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -58.7 MB). Peak memory consumption was 256.9 MB. Max. memory is 11.5 GB. * CodeCheck took 78.27 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: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Witness Printer took 158.82 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: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...