./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1b5d8d2d-94f6-441d-a1c7-299fd2b182d0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b5d8d2d-94f6-441d-a1c7-299fd2b182d0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b5d8d2d-94f6-441d-a1c7-299fd2b182d0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b5d8d2d-94f6-441d-a1c7-299fd2b182d0/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1b5d8d2d-94f6-441d-a1c7-299fd2b182d0/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b5d8d2d-94f6-441d-a1c7-299fd2b182d0/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d90cbad8cb6ced9c4f7ef95245e13f326de4004d ...................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:25:29,522 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:25:29,523 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:25:29,531 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:25:29,531 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:25:29,532 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:25:29,533 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:25:29,534 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:25:29,535 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:25:29,535 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:25:29,536 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:25:29,536 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:25:29,537 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:25:29,538 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:25:29,538 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:25:29,539 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:25:29,539 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:25:29,540 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:25:29,542 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:25:29,543 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:25:29,543 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:25:29,544 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:25:29,546 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:25:29,546 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:25:29,546 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:25:29,547 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:25:29,547 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:25:29,548 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:25:29,548 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:25:29,549 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:25:29,549 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:25:29,550 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:25:29,550 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:25:29,550 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:25:29,551 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:25:29,551 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:25:29,551 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b5d8d2d-94f6-441d-a1c7-299fd2b182d0/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-11-18 13:25:29,562 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:25:29,562 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:25:29,563 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:25:29,563 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:25:29,563 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:25:29,563 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:25:29,563 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:25:29,564 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:25:29,564 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:25:29,564 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:25:29,564 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:25:29,564 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:25:29,564 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:25:29,565 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:25:29,565 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:25:29,565 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:25:29,565 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:25:29,565 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:25:29,565 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:25:29,566 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:25:29,566 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:25:29,566 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 13:25:29,566 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 13:25:29,566 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 13:25:29,566 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:25:29,566 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:25:29,567 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:25:29,567 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:25:29,567 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:25:29,567 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:25:29,567 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:25:29,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:25:29,567 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:25:29,568 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:25:29,568 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:25:29,568 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:25:29,568 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:25:29,568 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_1b5d8d2d-94f6-441d-a1c7-299fd2b182d0/bin-2019/utaipan 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 -> Taipan 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 -> d90cbad8cb6ced9c4f7ef95245e13f326de4004d [2018-11-18 13:25:29,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:25:29,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:25:29,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:25:29,615 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:25:29,615 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:25:29,616 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b5d8d2d-94f6-441d-a1c7-299fd2b182d0/bin-2019/utaipan/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 13:25:29,655 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b5d8d2d-94f6-441d-a1c7-299fd2b182d0/bin-2019/utaipan/data/86acd429c/531316a1c84c4221bf343bc76cba1438/FLAGb476b9b00 [2018-11-18 13:25:30,061 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:25:30,062 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b5d8d2d-94f6-441d-a1c7-299fd2b182d0/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 13:25:30,075 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b5d8d2d-94f6-441d-a1c7-299fd2b182d0/bin-2019/utaipan/data/86acd429c/531316a1c84c4221bf343bc76cba1438/FLAGb476b9b00 [2018-11-18 13:25:30,441 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b5d8d2d-94f6-441d-a1c7-299fd2b182d0/bin-2019/utaipan/data/86acd429c/531316a1c84c4221bf343bc76cba1438 [2018-11-18 13:25:30,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:25:30,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:25:30,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:25:30,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:25:30,449 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:25:30,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:25:30" (1/1) ... [2018-11-18 13:25:30,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209e89ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:30, skipping insertion in model container [2018-11-18 13:25:30,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:25:30" (1/1) ... [2018-11-18 13:25:30,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:25:30,503 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:25:30,796 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:25:30,799 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:25:30,918 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:25:30,945 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:25:30,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:30 WrapperNode [2018-11-18 13:25:30,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:25:30,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:25:30,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:25:30,955 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:25:31,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:30" (1/1) ... [2018-11-18 13:25:31,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:30" (1/1) ... [2018-11-18 13:25:31,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:25:31,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:25:31,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:25:31,195 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:25:31,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:30" (1/1) ... [2018-11-18 13:25:31,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:30" (1/1) ... [2018-11-18 13:25:31,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:30" (1/1) ... [2018-11-18 13:25:31,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:30" (1/1) ... [2018-11-18 13:25:31,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:30" (1/1) ... [2018-11-18 13:25:31,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:30" (1/1) ... [2018-11-18 13:25:31,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:30" (1/1) ... [2018-11-18 13:25:31,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:25:31,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:25:31,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:25:31,305 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:25:31,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b5d8d2d-94f6-441d-a1c7-299fd2b182d0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2018-11-18 13:25:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2018-11-18 13:25:31,467 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2018-11-18 13:25:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-11-18 13:25:31,468 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-11-18 13:25:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2018-11-18 13:25:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2018-11-18 13:25:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2018-11-18 13:25:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2018-11-18 13:25:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:25:31,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:25:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2018-11-18 13:25:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2018-11-18 13:25:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-18 13:25:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-18 13:25:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2018-11-18 13:25:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2018-11-18 13:25:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-11-18 13:25:31,471 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-11-18 13:25:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-18 13:25:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-18 13:25:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2018-11-18 13:25:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2018-11-18 13:25:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2018-11-18 13:25:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2018-11-18 13:25:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2018-11-18 13:25:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2018-11-18 13:25:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2018-11-18 13:25:31,472 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2018-11-18 13:25:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-11-18 13:25:31,473 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-11-18 13:25:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-11-18 13:25:31,473 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-11-18 13:25:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-18 13:25:31,473 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-18 13:25:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-18 13:25:31,473 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-18 13:25:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2018-11-18 13:25:31,473 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2018-11-18 13:25:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2018-11-18 13:25:31,474 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2018-11-18 13:25:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2018-11-18 13:25:31,477 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2018-11-18 13:25:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:25:31,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:25:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2018-11-18 13:25:31,477 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2018-11-18 13:25:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2018-11-18 13:25:31,478 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2018-11-18 13:25:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2018-11-18 13:25:31,478 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2018-11-18 13:25:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:25:31,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:25:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2018-11-18 13:25:31,478 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2018-11-18 13:25:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2018-11-18 13:25:31,478 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2018-11-18 13:25:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-11-18 13:25:31,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-11-18 13:25:31,870 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:25:31,882 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:25:32,078 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:25:32,079 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:25:32,221 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:25:32,221 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:25:33,419 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:25:33,420 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:25:34,687 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:25:34,687 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:25:35,316 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:25:35,317 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:25:35,370 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:25:35,370 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:25:35,397 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:25:35,397 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:25:35,418 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:25:35,418 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:25:35,493 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:25:35,494 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:25:35,863 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:25:35,863 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:25:35,889 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:25:35,889 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:25:35,902 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 13:25:35,903 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 13:25:35,923 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:25:35,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:25:35 BoogieIcfgContainer [2018-11-18 13:25:35,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:25:35,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:25:35,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:25:35,927 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:25:35,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:25:30" (1/3) ... [2018-11-18 13:25:35,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c4ad67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:25:35, skipping insertion in model container [2018-11-18 13:25:35,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:25:30" (2/3) ... [2018-11-18 13:25:35,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c4ad67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:25:35, skipping insertion in model container [2018-11-18 13:25:35,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:25:35" (3/3) ... [2018-11-18 13:25:35,931 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 13:25:35,939 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:25:35,945 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-18 13:25:35,958 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-18 13:25:35,981 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:25:35,982 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-18 13:25:35,982 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:25:35,982 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:25:35,982 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:25:35,982 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:25:35,982 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:25:35,982 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:25:36,005 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states. [2018-11-18 13:25:36,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:25:36,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:25:36 BoogieIcfgContainer [2018-11-18 13:25:36,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:25:36,020 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:25:36,020 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:25:36,020 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:25:36,021 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:25:35" (3/4) ... [2018-11-18 13:25:36,024 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:25:36,032 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2018-11-18 13:25:36,032 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2018-11-18 13:25:36,032 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2018-11-18 13:25:36,032 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2018-11-18 13:25:36,032 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:25:36,032 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyCreateClose [2018-11-18 13:25:36,033 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2018-11-18 13:25:36,033 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2018-11-18 13:25:36,033 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2018-11-18 13:25:36,033 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2018-11-18 13:25:36,033 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2018-11-18 13:25:36,033 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2018-11-18 13:25:36,033 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2018-11-18 13:25:36,033 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2018-11-18 13:25:36,034 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2018-11-18 13:25:36,034 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2018-11-18 13:25:36,034 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2018-11-18 13:25:36,034 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2018-11-18 13:25:36,034 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2018-11-18 13:25:36,034 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyDeviceControl [2018-11-18 13:25:36,034 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FlCheckFormatParameters [2018-11-18 13:25:36,034 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:25:36,035 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyQueueRequest [2018-11-18 13:25:36,035 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2018-11-18 13:25:36,035 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2018-11-18 13:25:36,035 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2018-11-18 13:25:36,035 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2018-11-18 13:25:36,036 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2018-11-18 13:25:36,069 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2018-11-18 13:25:36,071 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2018-11-18 13:25:36,073 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 13:25:36,074 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 13:25:36,235 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1b5d8d2d-94f6-441d-a1c7-299fd2b182d0/bin-2019/utaipan/witness.graphml [2018-11-18 13:25:36,235 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:25:36,236 INFO L168 Benchmark]: Toolchain (without parser) took 5792.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 950.4 MB in the beginning and 1.0 GB in the end (delta: -53.7 MB). Peak memory consumption was 127.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:36,237 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:25:36,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.96 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 915.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:36,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 239.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 915.5 MB in the beginning and 1.2 GB in the end (delta: -256.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:36,239 INFO L168 Benchmark]: Boogie Preprocessor took 110.36 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:36,240 INFO L168 Benchmark]: RCFGBuilder took 4618.72 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: 112.6 MB). Peak memory consumption was 112.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:36,240 INFO L168 Benchmark]: TraceAbstraction took 95.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:36,240 INFO L168 Benchmark]: Witness Printer took 215.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:25:36,244 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 508.96 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 915.5 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 239.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 915.5 MB in the beginning and 1.2 GB in the end (delta: -256.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 110.36 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4618.72 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: 112.6 MB). Peak memory consumption was 112.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 95.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * Witness Printer took 215.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 416 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=390occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...