./Ultimate.py --spec ../../sv-benchmarks/c/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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_175fde1b-a7fd-4ea0-b52d-da9052d49c52/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_175fde1b-a7fd-4ea0-b52d-da9052d49c52/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_175fde1b-a7fd-4ea0-b52d-da9052d49c52/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_175fde1b-a7fd-4ea0-b52d-da9052d49c52/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.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_175fde1b-a7fd-4ea0-b52d-da9052d49c52/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_175fde1b-a7fd-4ea0-b52d-da9052d49c52/bin-2019/uautomizer --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 Automizer --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 0.1.23-5842f4b [2018-11-18 08:34:28,683 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:34:28,684 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:34:28,692 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:34:28,692 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:34:28,693 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:34:28,693 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:34:28,695 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:34:28,696 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:34:28,696 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:34:28,697 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:34:28,697 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:34:28,698 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:34:28,698 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:34:28,699 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:34:28,700 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:34:28,700 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:34:28,702 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:34:28,703 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:34:28,704 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:34:28,705 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:34:28,706 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:34:28,708 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:34:28,708 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:34:28,708 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:34:28,709 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:34:28,709 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:34:28,710 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:34:28,711 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:34:28,711 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:34:28,712 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:34:28,712 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:34:28,712 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:34:28,712 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:34:28,713 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:34:28,714 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:34:28,714 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_175fde1b-a7fd-4ea0-b52d-da9052d49c52/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-18 08:34:28,721 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:34:28,722 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:34:28,722 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:34:28,723 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:34:28,723 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:34:28,723 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:34:28,723 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:34:28,726 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:34:28,726 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:34:28,726 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:34:28,726 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:34:28,726 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 08:34:28,727 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 08:34:28,727 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 08:34:28,727 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:34:28,727 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:34:28,727 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:34:28,727 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:34:28,728 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:34:28,728 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:34:28,728 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:34:28,728 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:34:28,728 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:34:28,728 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:34:28,729 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:34:28,729 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:34:28,729 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_175fde1b-a7fd-4ea0-b52d-da9052d49c52/bin-2019/uautomizer 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 -> Automizer 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 [2018-11-18 08:34:28,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:34:28,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:34:28,762 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:34:28,763 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:34:28,763 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:34:28,763 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_175fde1b-a7fd-4ea0-b52d-da9052d49c52/bin-2019/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 08:34:28,801 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_175fde1b-a7fd-4ea0-b52d-da9052d49c52/bin-2019/uautomizer/data/075cd795f/d56e879142764827865e640a90cf3eca/FLAG1dac70269 [2018-11-18 08:34:29,236 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:34:29,237 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_175fde1b-a7fd-4ea0-b52d-da9052d49c52/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 08:34:29,247 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_175fde1b-a7fd-4ea0-b52d-da9052d49c52/bin-2019/uautomizer/data/075cd795f/d56e879142764827865e640a90cf3eca/FLAG1dac70269 [2018-11-18 08:34:29,256 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_175fde1b-a7fd-4ea0-b52d-da9052d49c52/bin-2019/uautomizer/data/075cd795f/d56e879142764827865e640a90cf3eca [2018-11-18 08:34:29,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:34:29,259 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 08:34:29,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:34:29,263 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:34:29,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183d2547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29, skipping insertion in model container [2018-11-18 08:34:29,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:34:29,308 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:34:29,533 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,536 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:34:29,619 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:34:29,684 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:34:29,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29 WrapperNode [2018-11-18 08:34:29,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:34:29,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:34:29,685 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:34:29,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... [2018-11-18 08:34:29,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:34:29,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:34:29,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:34:29,752 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:34:29,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_175fde1b-a7fd-4ea0-b52d-da9052d49c52/bin-2019/uautomizer/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 08:34:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:34:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:34:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-11-18 08:34:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2018-11-18 08:34:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2018-11-18 08:34:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2018-11-18 08:34:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2018-11-18 08:34:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2018-11-18 08:34:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2018-11-18 08:34:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2018-11-18 08:34:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-11-18 08:34:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:34:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2018-11-18 08:34:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2018-11-18 08:34:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2018-11-18 08:34:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2018-11-18 08:34:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2018-11-18 08:34:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-18 08:34:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-18 08:34:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-18 08:34:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-11-18 08:34:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-11-18 08:34:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2018-11-18 08:34:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2018-11-18 08:34:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-11-18 08:34:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2018-11-18 08:34:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2018-11-18 08:34:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2018-11-18 08:34:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2018-11-18 08:34:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-18 08:34:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 08:34:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-11-18 08:34:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 08:34:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2018-11-18 08:34:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-18 08:34:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2018-11-18 08:34:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2018-11-18 08:34:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2018-11-18 08:34:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2018-11-18 08:34:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2018-11-18 08:34:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2018-11-18 08:34:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2018-11-18 08:34:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2018-11-18 08:34:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2018-11-18 08:34:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2018-11-18 08:34:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2018-11-18 08:34:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-18 08:34:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-11-18 08:34:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-11-18 08:34:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2018-11-18 08:34:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2018-11-18 08:34:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-11-18 08:34:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2018-11-18 08:34:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2018-11-18 08:34:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2018-11-18 08:34:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2018-11-18 08:34:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-18 08:34:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-18 08:34:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-11-18 08:34:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2018-11-18 08:34:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-11-18 08:34:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:34:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-18 08:34:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:34:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:34:30,013 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 08:34:30,013 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 08:34:30,086 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 08:34:30,086 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 08:34:30,101 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 08:34:30,101 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 08:34:30,258 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 08:34:30,259 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 08:34:30,335 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 08:34:30,335 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 08:34:30,399 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 08:34:30,399 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 08:34:30,405 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 08:34:30,405 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 08:34:30,412 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 08:34:30,413 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 08:34:30,441 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 08:34:30,442 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 08:34:30,465 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 08:34:30,465 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 08:34:30,571 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 08:34:30,571 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 08:34:30,574 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 08:34:30,575 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 08:34:30,592 WARN L684 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-18 08:34:30,592 WARN L649 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-18 08:34:30,602 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:34:30,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30 BoogieIcfgContainer [2018-11-18 08:34:30,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:34:30,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:34:30,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:34:30,605 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:34:30,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:34:29" (1/3) ... [2018-11-18 08:34:30,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@961c60a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:34:29" (2/3) ... [2018-11-18 08:34:30,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@961c60a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:34:30, skipping insertion in model container [2018-11-18 08:34:30,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/3) ... [2018-11-18 08:34:30,607 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl4_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-18 08:34:30,613 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:34:30,619 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-18 08:34:30,629 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-18 08:34:30,645 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:34:30,646 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:34:30,646 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-18 08:34:30,646 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:34:30,646 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:34:30,646 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:34:30,646 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:34:30,646 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:34:30,647 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:34:30,664 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states. [2018-11-18 08:34:30,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:34:30,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:34:30 BoogieIcfgContainer [2018-11-18 08:34:30,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:34:30,684 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:34:30,684 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:34:30,684 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:34:30,685 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:34:30" (3/4) ... [2018-11-18 08:34:30,687 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:34:30,693 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2018-11-18 08:34:30,694 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2018-11-18 08:34:30,694 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyProcessQueuedRequests [2018-11-18 08:34:30,694 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2018-11-18 08:34:30,694 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2018-11-18 08:34:30,694 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 08:34:30,694 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyCreateClose [2018-11-18 08:34:30,694 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2018-11-18 08:34:30,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2018-11-18 08:34:30,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2018-11-18 08:34:30,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2018-11-18 08:34:30,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2018-11-18 08:34:30,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2018-11-18 08:34:30,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2018-11-18 08:34:30,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2018-11-18 08:34:30,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2018-11-18 08:34:30,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2018-11-18 08:34:30,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2018-11-18 08:34:30,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2018-11-18 08:34:30,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2018-11-18 08:34:30,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyDeviceControl [2018-11-18 08:34:30,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FlCheckFormatParameters [2018-11-18 08:34:30,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 08:34:30,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyQueueRequest [2018-11-18 08:34:30,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2018-11-18 08:34:30,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2018-11-18 08:34:30,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2018-11-18 08:34:30,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2018-11-18 08:34:30,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2018-11-18 08:34:30,712 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2018-11-18 08:34:30,713 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2018-11-18 08:34:30,714 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 08:34:30,715 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 08:34:30,825 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_175fde1b-a7fd-4ea0-b52d-da9052d49c52/bin-2019/uautomizer/witness.graphml [2018-11-18 08:34:30,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:34:30,826 INFO L168 Benchmark]: Toolchain (without parser) took 1567.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 955.7 MB in the beginning and 970.2 MB in the end (delta: -14.5 MB). Peak memory consumption was 128.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:30,827 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:34:30,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 955.7 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:30,827 INFO L168 Benchmark]: Boogie Preprocessor took 66.79 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:30,828 INFO L168 Benchmark]: RCFGBuilder took 850.83 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: 118.8 MB). Peak memory consumption was 118.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:30,828 INFO L168 Benchmark]: TraceAbstraction took 80.77 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:30,828 INFO L168 Benchmark]: Witness Printer took 141.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 970.2 MB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:34:30,829 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 424.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 955.7 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.79 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 850.83 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: 118.8 MB). Peak memory consumption was 118.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 80.77 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Witness Printer took 141.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 970.2 MB in the end (delta: 34.8 MB). Peak memory consumption was 34.8 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 30 procedures, 418 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=389occurred 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...