./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3_true-unreach-call_true-valid-memsafety_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_993e2043-5d99-4a1a-8410-95b871181761/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_993e2043-5d99-4a1a-8410-95b871181761/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_993e2043-5d99-4a1a-8410-95b871181761/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_993e2043-5d99-4a1a-8410-95b871181761/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3_true-unreach-call_true-valid-memsafety_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_993e2043-5d99-4a1a-8410-95b871181761/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_993e2043-5d99-4a1a-8410-95b871181761/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 c23505adeafc05501dae695d01ba5b7f16426196 .................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:56:30,399 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:56:30,400 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:56:30,408 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:56:30,408 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:56:30,409 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:56:30,410 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:56:30,411 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:56:30,413 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:56:30,413 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:56:30,414 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:56:30,414 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:56:30,415 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:56:30,416 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:56:30,417 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:56:30,417 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:56:30,418 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:56:30,419 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:56:30,421 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:56:30,422 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:56:30,423 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:56:30,424 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:56:30,426 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:56:30,426 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:56:30,426 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:56:30,427 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:56:30,427 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:56:30,428 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:56:30,428 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:56:30,429 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:56:30,430 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:56:30,430 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:56:30,430 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:56:30,431 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:56:30,431 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:56:30,432 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:56:30,432 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_993e2043-5d99-4a1a-8410-95b871181761/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-11-23 03:56:30,442 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:56:30,442 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:56:30,443 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:56:30,443 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:56:30,444 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:56:30,444 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:56:30,444 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:56:30,444 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:56:30,444 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:56:30,445 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:56:30,445 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:56:30,445 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:56:30,445 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:56:30,446 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:56:30,446 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:56:30,446 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:56:30,446 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:56:30,446 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 03:56:30,447 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:56:30,447 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:56:30,447 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:56:30,447 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-23 03:56:30,447 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-23 03:56:30,447 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-23 03:56:30,447 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:56:30,448 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:56:30,448 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:56:30,448 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:56:30,448 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:56:30,448 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:56:30,448 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:56:30,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:56:30,449 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:56:30,449 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:56:30,449 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:56:30,449 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:56:30,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:56:30,450 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_993e2043-5d99-4a1a-8410-95b871181761/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 -> c23505adeafc05501dae695d01ba5b7f16426196 [2018-11-23 03:56:30,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:56:30,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:56:30,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:56:30,494 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:56:30,495 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:56:30,495 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_993e2043-5d99-4a1a-8410-95b871181761/bin-2019/utaipan/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 03:56:30,543 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_993e2043-5d99-4a1a-8410-95b871181761/bin-2019/utaipan/data/23e069cbc/6cc34794084645a49823f6bb167593be/FLAG10ad5db93 [2018-11-23 03:56:30,954 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:56:30,955 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_993e2043-5d99-4a1a-8410-95b871181761/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 03:56:30,963 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_993e2043-5d99-4a1a-8410-95b871181761/bin-2019/utaipan/data/23e069cbc/6cc34794084645a49823f6bb167593be/FLAG10ad5db93 [2018-11-23 03:56:31,330 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_993e2043-5d99-4a1a-8410-95b871181761/bin-2019/utaipan/data/23e069cbc/6cc34794084645a49823f6bb167593be [2018-11-23 03:56:31,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:56:31,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:56:31,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:56:31,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:56:31,339 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:56:31,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:31" (1/1) ... [2018-11-23 03:56:31,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55967b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:31, skipping insertion in model container [2018-11-23 03:56:31,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:31" (1/1) ... [2018-11-23 03:56:31,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:56:31,395 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:56:31,614 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:56:31,619 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:56:31,676 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:56:31,690 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:56:31,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:31 WrapperNode [2018-11-23 03:56:31,691 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:56:31,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:56:31,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:56:31,692 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:56:31,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:31" (1/1) ... [2018-11-23 03:56:31,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:31" (1/1) ... [2018-11-23 03:56:31,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:56:31,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:56:31,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:56:31,770 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:56:31,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:31" (1/1) ... [2018-11-23 03:56:31,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:31" (1/1) ... [2018-11-23 03:56:31,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:31" (1/1) ... [2018-11-23 03:56:31,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:31" (1/1) ... [2018-11-23 03:56:31,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:31" (1/1) ... [2018-11-23 03:56:31,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:31" (1/1) ... [2018-11-23 03:56:31,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:31" (1/1) ... [2018-11-23 03:56:31,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:56:31,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:56:31,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:56:31,817 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:56:31,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_993e2043-5d99-4a1a-8410-95b871181761/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 [2018-11-23 03:56:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2018-11-23 03:56:31,864 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2018-11-23 03:56:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-11-23 03:56:31,864 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-11-23 03:56:31,864 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2018-11-23 03:56:31,865 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2018-11-23 03:56:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2018-11-23 03:56:31,865 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2018-11-23 03:56:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:56:31,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:56:31,865 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-23 03:56:31,866 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-23 03:56:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2018-11-23 03:56:31,866 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2018-11-23 03:56:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-11-23 03:56:31,866 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-11-23 03:56:31,866 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-23 03:56:31,866 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-23 03:56:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2018-11-23 03:56:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2018-11-23 03:56:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2018-11-23 03:56:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2018-11-23 03:56:31,867 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2018-11-23 03:56:31,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2018-11-23 03:56:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2018-11-23 03:56:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2018-11-23 03:56:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-11-23 03:56:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-11-23 03:56:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-11-23 03:56:31,868 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-11-23 03:56:31,868 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-23 03:56:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-23 03:56:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-23 03:56:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-23 03:56:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2018-11-23 03:56:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2018-11-23 03:56:31,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:56:31,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:56:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2018-11-23 03:56:31,870 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2018-11-23 03:56:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2018-11-23 03:56:31,870 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2018-11-23 03:56:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:56:31,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:56:31,870 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2018-11-23 03:56:31,871 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2018-11-23 03:56:31,871 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2018-11-23 03:56:31,871 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2018-11-23 03:56:31,871 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-11-23 03:56:31,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-11-23 03:56:32,040 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 03:56:32,040 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 03:56:32,159 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 03:56:32,159 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 03:56:32,171 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 03:56:32,171 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 03:56:32,340 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 03:56:32,340 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 03:56:32,398 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 03:56:32,398 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 03:56:32,501 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 03:56:32,501 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 03:56:32,507 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 03:56:32,507 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 03:56:32,526 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 03:56:32,526 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 03:56:32,543 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 03:56:32,543 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 03:56:32,606 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 03:56:32,607 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 03:56:32,613 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 03:56:32,614 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 03:56:32,620 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 03:56:32,620 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 03:56:32,637 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:56:32,637 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 03:56:32,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:32 BoogieIcfgContainer [2018-11-23 03:56:32,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:56:32,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:56:32,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:56:32,641 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:56:32,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:56:31" (1/3) ... [2018-11-23 03:56:32,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a10951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:56:32, skipping insertion in model container [2018-11-23 03:56:32,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:31" (2/3) ... [2018-11-23 03:56:32,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32a10951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:56:32, skipping insertion in model container [2018-11-23 03:56:32,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:32" (3/3) ... [2018-11-23 03:56:32,644 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl3_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 03:56:32,652 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:56:32,658 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-23 03:56:32,670 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-23 03:56:32,691 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:56:32,691 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-23 03:56:32,691 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:56:32,691 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:56:32,692 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:56:32,692 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:56:32,692 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:56:32,692 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:56:32,712 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states. [2018-11-23 03:56:32,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:56:32,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:56:32 BoogieIcfgContainer [2018-11-23 03:56:32,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:56:32,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:56:32,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:56:32,735 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:56:32,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:32" (3/4) ... [2018-11-23 03:56:32,740 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:56:32,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2018-11-23 03:56:32,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2018-11-23 03:56:32,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2018-11-23 03:56:32,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2018-11-23 03:56:32,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:56:32,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2018-11-23 03:56:32,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2018-11-23 03:56:32,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2018-11-23 03:56:32,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2018-11-23 03:56:32,747 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2018-11-23 03:56:32,748 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2018-11-23 03:56:32,748 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2018-11-23 03:56:32,748 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2018-11-23 03:56:32,748 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2018-11-23 03:56:32,748 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2018-11-23 03:56:32,748 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2018-11-23 03:56:32,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2018-11-23 03:56:32,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2018-11-23 03:56:32,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:56:32,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2018-11-23 03:56:32,749 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2018-11-23 03:56:32,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2018-11-23 03:56:32,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2018-11-23 03:56:32,750 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2018-11-23 03:56:32,765 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2018-11-23 03:56:32,766 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-11-23 03:56:32,767 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 03:56:32,768 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:56:32,898 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_993e2043-5d99-4a1a-8410-95b871181761/bin-2019/utaipan/witness.graphml [2018-11-23 03:56:32,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:56:32,899 INFO L168 Benchmark]: Toolchain (without parser) took 1565.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -63.3 MB). Peak memory consumption was 81.9 MB. Max. memory is 11.5 GB. [2018-11-23 03:56:32,901 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:56:32,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.85 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-23 03:56:32,901 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -201.2 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. [2018-11-23 03:56:32,902 INFO L168 Benchmark]: Boogie Preprocessor took 47.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:56:32,902 INFO L168 Benchmark]: RCFGBuilder took 820.73 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: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:56:32,902 INFO L168 Benchmark]: TraceAbstraction took 96.43 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:56:32,903 INFO L168 Benchmark]: Witness Printer took 163.55 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-23 03:56:32,904 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.85 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -201.2 MB). Peak memory consumption was 16.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 820.73 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: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 96.43 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 163.55 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: 21.5 MB). Peak memory consumption was 21.5 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 25 procedures, 324 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=300occurred 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...