./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_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_b9453736-b1ce-4820-a15b-597db7223628/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b9453736-b1ce-4820-a15b-597db7223628/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b9453736-b1ce-4820-a15b-597db7223628/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b9453736-b1ce-4820-a15b-597db7223628/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_true-unreach-call_true-valid-memsafety_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b9453736-b1ce-4820-a15b-597db7223628/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b9453736-b1ce-4820-a15b-597db7223628/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 9187bc92090d01e0892e8fd14c7d6a75e3556b66 .................................................................................................................................................................................................................................................................................................................................... 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 01:06:47,609 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:06:47,610 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:06:47,617 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:06:47,617 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:06:47,618 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:06:47,619 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:06:47,620 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:06:47,621 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:06:47,621 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:06:47,622 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:06:47,622 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:06:47,623 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:06:47,624 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:06:47,624 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:06:47,625 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:06:47,626 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:06:47,627 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:06:47,628 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:06:47,629 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:06:47,630 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:06:47,631 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:06:47,632 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:06:47,632 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:06:47,632 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:06:47,633 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:06:47,633 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:06:47,634 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:06:47,634 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:06:47,635 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:06:47,635 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:06:47,636 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:06:47,636 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:06:47,636 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:06:47,637 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:06:47,637 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:06:47,637 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b9453736-b1ce-4820-a15b-597db7223628/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-11-23 01:06:47,647 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:06:47,647 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:06:47,647 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:06:47,648 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:06:47,648 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:06:47,648 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:06:47,648 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:06:47,648 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 01:06:47,648 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:06:47,648 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:06:47,648 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 01:06:47,649 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 01:06:47,649 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:06:47,649 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:06:47,649 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:06:47,649 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:06:47,650 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:06:47,650 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 01:06:47,650 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:06:47,650 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:06:47,650 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:06:47,650 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-23 01:06:47,650 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-23 01:06:47,651 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-23 01:06:47,651 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:06:47,651 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:06:47,651 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:06:47,651 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:06:47,651 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:06:47,651 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:06:47,651 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:06:47,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:06:47,652 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:06:47,652 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:06:47,652 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 01:06:47,652 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:06:47,652 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:06:47,652 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_b9453736-b1ce-4820-a15b-597db7223628/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 -> 9187bc92090d01e0892e8fd14c7d6a75e3556b66 [2018-11-23 01:06:47,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:06:47,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:06:47,683 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:06:47,684 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:06:47,684 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:06:47,684 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b9453736-b1ce-4820-a15b-597db7223628/bin-2019/utaipan/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 01:06:47,718 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b9453736-b1ce-4820-a15b-597db7223628/bin-2019/utaipan/data/37a2a60ef/cb32cb35d19b45478d1683e55400bbd5/FLAG6ce79d11c [2018-11-23 01:06:48,164 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:06:48,164 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b9453736-b1ce-4820-a15b-597db7223628/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 01:06:48,174 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b9453736-b1ce-4820-a15b-597db7223628/bin-2019/utaipan/data/37a2a60ef/cb32cb35d19b45478d1683e55400bbd5/FLAG6ce79d11c [2018-11-23 01:06:48,182 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b9453736-b1ce-4820-a15b-597db7223628/bin-2019/utaipan/data/37a2a60ef/cb32cb35d19b45478d1683e55400bbd5 [2018-11-23 01:06:48,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:06:48,185 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:06:48,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:06:48,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:06:48,188 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:06:48,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:48" (1/1) ... [2018-11-23 01:06:48,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16069910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:48, skipping insertion in model container [2018-11-23 01:06:48,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:48" (1/1) ... [2018-11-23 01:06:48,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:06:48,233 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:06:48,452 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:06:48,456 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:06:48,582 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:06:48,594 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:06:48,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:48 WrapperNode [2018-11-23 01:06:48,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:06:48,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:06:48,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:06:48,595 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:06:48,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:48" (1/1) ... [2018-11-23 01:06:48,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:48" (1/1) ... [2018-11-23 01:06:48,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:06:48,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:06:48,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:06:48,624 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:06:48,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:48" (1/1) ... [2018-11-23 01:06:48,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:48" (1/1) ... [2018-11-23 01:06:48,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:48" (1/1) ... [2018-11-23 01:06:48,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:48" (1/1) ... [2018-11-23 01:06:48,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:48" (1/1) ... [2018-11-23 01:06:48,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:48" (1/1) ... [2018-11-23 01:06:48,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:48" (1/1) ... [2018-11-23 01:06:48,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:06:48,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:06:48,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:06:48,675 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:06:48,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9453736-b1ce-4820-a15b-597db7223628/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 01:06:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2018-11-23 01:06:48,725 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2018-11-23 01:06:48,725 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-11-23 01:06:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-11-23 01:06:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2018-11-23 01:06:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2018-11-23 01:06:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2018-11-23 01:06:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2018-11-23 01:06:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:06:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:06:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2018-11-23 01:06:48,726 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2018-11-23 01:06:48,726 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-23 01:06:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-23 01:06:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2018-11-23 01:06:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2018-11-23 01:06:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-11-23 01:06:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-11-23 01:06:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-23 01:06:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-23 01:06:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2018-11-23 01:06:48,727 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2018-11-23 01:06:48,727 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2018-11-23 01:06:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2018-11-23 01:06:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2018-11-23 01:06:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2018-11-23 01:06:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2018-11-23 01:06:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2018-11-23 01:06:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-11-23 01:06:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-11-23 01:06:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-11-23 01:06:48,728 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-11-23 01:06:48,728 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-23 01:06:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-23 01:06:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-23 01:06:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-23 01:06:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2018-11-23 01:06:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2018-11-23 01:06:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2018-11-23 01:06:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2018-11-23 01:06:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2018-11-23 01:06:48,729 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2018-11-23 01:06:48,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:06:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:06:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2018-11-23 01:06:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2018-11-23 01:06:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2018-11-23 01:06:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2018-11-23 01:06:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2018-11-23 01:06:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2018-11-23 01:06:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:06:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:06:48,730 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2018-11-23 01:06:48,730 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2018-11-23 01:06:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2018-11-23 01:06:48,731 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2018-11-23 01:06:48,731 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-11-23 01:06:48,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-11-23 01:06:48,911 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 01:06:48,912 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 01:06:48,955 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 01:06:48,955 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 01:06:48,966 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 01:06:48,966 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 01:06:49,115 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 01:06:49,115 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 01:06:49,193 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 01:06:49,193 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 01:06:49,302 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 01:06:49,303 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 01:06:49,307 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 01:06:49,307 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 01:06:49,317 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 01:06:49,317 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 01:06:49,339 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 01:06:49,339 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 01:06:49,391 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 01:06:49,391 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 01:06:49,501 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 01:06:49,501 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 01:06:49,505 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 01:06:49,505 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 01:06:49,508 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 01:06:49,509 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 01:06:49,523 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:06:49,523 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 01:06:49,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:49 BoogieIcfgContainer [2018-11-23 01:06:49,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:06:49,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:06:49,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:06:49,527 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:06:49,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:06:48" (1/3) ... [2018-11-23 01:06:49,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cea9f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:06:49, skipping insertion in model container [2018-11-23 01:06:49,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:48" (2/3) ... [2018-11-23 01:06:49,529 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cea9f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:06:49, skipping insertion in model container [2018-11-23 01:06:49,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:49" (3/3) ... [2018-11-23 01:06:49,530 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl4_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 01:06:49,538 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:06:49,546 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-23 01:06:49,556 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-23 01:06:49,572 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:06:49,573 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-23 01:06:49,573 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:06:49,573 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:06:49,573 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:06:49,573 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:06:49,573 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:06:49,573 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:06:49,592 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states. [2018-11-23 01:06:49,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:06:49,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:06:49 BoogieIcfgContainer [2018-11-23 01:06:49,613 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:06:49,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:06:49,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:06:49,614 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:06:49,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:49" (3/4) ... [2018-11-23 01:06:49,617 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:06:49,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2018-11-23 01:06:49,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2018-11-23 01:06:49,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2018-11-23 01:06:49,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2018-11-23 01:06:49,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 01:06:49,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyCreateClose [2018-11-23 01:06:49,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2018-11-23 01:06:49,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2018-11-23 01:06:49,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2018-11-23 01:06:49,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2018-11-23 01:06:49,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2018-11-23 01:06:49,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2018-11-23 01:06:49,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2018-11-23 01:06:49,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2018-11-23 01:06:49,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2018-11-23 01:06:49,624 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2018-11-23 01:06:49,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2018-11-23 01:06:49,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2018-11-23 01:06:49,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2018-11-23 01:06:49,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyDeviceControl [2018-11-23 01:06:49,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlCheckFormatParameters [2018-11-23 01:06:49,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 01:06:49,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyQueueRequest [2018-11-23 01:06:49,625 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2018-11-23 01:06:49,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2018-11-23 01:06:49,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2018-11-23 01:06:49,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2018-11-23 01:06:49,626 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2018-11-23 01:06:49,641 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2018-11-23 01:06:49,642 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2018-11-23 01:06:49,644 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 01:06:49,645 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:06:49,793 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b9453736-b1ce-4820-a15b-597db7223628/bin-2019/utaipan/witness.graphml [2018-11-23 01:06:49,793 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:06:49,794 INFO L168 Benchmark]: Toolchain (without parser) took 1610.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 956.5 MB in the beginning and 990.0 MB in the end (delta: -33.6 MB). Peak memory consumption was 134.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:06:49,795 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:06:49,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 956.5 MB in the beginning and 1.2 GB in the end (delta: -203.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. [2018-11-23 01:06:49,796 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.04 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 01:06:49,796 INFO L168 Benchmark]: Boogie Preprocessor took 51.29 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 01:06:49,797 INFO L168 Benchmark]: RCFGBuilder took 848.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 122.9 MB). Peak memory consumption was 122.9 MB. Max. memory is 11.5 GB. [2018-11-23 01:06:49,797 INFO L168 Benchmark]: TraceAbstraction took 88.45 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:06:49,797 INFO L168 Benchmark]: Witness Printer took 180.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 990.0 MB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:06:49,799 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 409.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 956.5 MB in the beginning and 1.2 GB in the end (delta: -203.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.04 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.29 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 848.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 122.9 MB). Peak memory consumption was 122.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 88.45 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 180.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 990.0 MB in the end (delta: 33.4 MB). Peak memory consumption was 33.4 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, 414 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=388occurred 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...