./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_93611dcf-ef02-4478-b38e-fd301439dc14/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_93611dcf-ef02-4478-b38e-fd301439dc14/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_93611dcf-ef02-4478-b38e-fd301439dc14/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_93611dcf-ef02-4478-b38e-fd301439dc14/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_93611dcf-ef02-4478-b38e-fd301439dc14/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_93611dcf-ef02-4478-b38e-fd301439dc14/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 600447986a0d0a3d94421aa90c6997a7dd1eb35a ..................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 04:46:58,185 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 04:46:58,187 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 04:46:58,204 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 04:46:58,205 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 04:46:58,206 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 04:46:58,209 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 04:46:58,210 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 04:46:58,212 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 04:46:58,213 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 04:46:58,216 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 04:46:58,216 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 04:46:58,217 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 04:46:58,219 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 04:46:58,226 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 04:46:58,227 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 04:46:58,228 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 04:46:58,229 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 04:46:58,230 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 04:46:58,231 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 04:46:58,232 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 04:46:58,233 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 04:46:58,235 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 04:46:58,235 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 04:46:58,235 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 04:46:58,236 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 04:46:58,239 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 04:46:58,240 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 04:46:58,240 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 04:46:58,241 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 04:46:58,241 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 04:46:58,241 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 04:46:58,242 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 04:46:58,242 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 04:46:58,242 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 04:46:58,243 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 04:46:58,243 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_93611dcf-ef02-4478-b38e-fd301439dc14/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-10-27 04:46:58,263 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 04:46:58,264 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 04:46:58,265 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 04:46:58,265 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 04:46:58,265 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 04:46:58,265 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 04:46:58,266 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 04:46:58,266 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 04:46:58,266 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 04:46:58,267 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 04:46:58,267 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 04:46:58,268 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 04:46:58,268 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 04:46:58,268 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 04:46:58,268 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 04:46:58,268 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 04:46:58,268 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 04:46:58,268 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 04:46:58,269 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 04:46:58,269 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-27 04:46:58,269 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-27 04:46:58,269 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-27 04:46:58,269 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 04:46:58,269 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 04:46:58,269 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 04:46:58,269 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 04:46:58,270 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 04:46:58,270 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 04:46:58,270 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 04:46:58,270 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 04:46:58,270 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 04:46:58,270 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 04:46:58,270 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 04:46:58,271 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 04:46:58,271 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_93611dcf-ef02-4478-b38e-fd301439dc14/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 -> 600447986a0d0a3d94421aa90c6997a7dd1eb35a [2018-10-27 04:46:58,315 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 04:46:58,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 04:46:58,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 04:46:58,329 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 04:46:58,329 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 04:46:58,330 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_93611dcf-ef02-4478-b38e-fd301439dc14/bin-2019/utaipan/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-27 04:46:58,377 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93611dcf-ef02-4478-b38e-fd301439dc14/bin-2019/utaipan/data/698664dba/7c45cf4013e740a2b162919af3782f52/FLAGe6763b0fe [2018-10-27 04:46:58,793 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 04:46:58,793 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_93611dcf-ef02-4478-b38e-fd301439dc14/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-27 04:46:58,804 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93611dcf-ef02-4478-b38e-fd301439dc14/bin-2019/utaipan/data/698664dba/7c45cf4013e740a2b162919af3782f52/FLAGe6763b0fe [2018-10-27 04:46:58,820 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_93611dcf-ef02-4478-b38e-fd301439dc14/bin-2019/utaipan/data/698664dba/7c45cf4013e740a2b162919af3782f52 [2018-10-27 04:46:58,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 04:46:58,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 04:46:58,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 04:46:58,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 04:46:58,829 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 04:46:58,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:46:58" (1/1) ... [2018-10-27 04:46:58,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db5b40a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:58, skipping insertion in model container [2018-10-27 04:46:58,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:46:58" (1/1) ... [2018-10-27 04:46:58,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 04:46:58,882 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 04:46:59,125 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:46:59,129 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 04:46:59,206 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:46:59,221 INFO L193 MainTranslator]: Completed translation [2018-10-27 04:46:59,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:59 WrapperNode [2018-10-27 04:46:59,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 04:46:59,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 04:46:59,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 04:46:59,222 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 04:46:59,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:59" (1/1) ... [2018-10-27 04:46:59,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:59" (1/1) ... [2018-10-27 04:46:59,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 04:46:59,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 04:46:59,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 04:46:59,250 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 04:46:59,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:59" (1/1) ... [2018-10-27 04:46:59,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:59" (1/1) ... [2018-10-27 04:46:59,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:59" (1/1) ... [2018-10-27 04:46:59,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:59" (1/1) ... [2018-10-27 04:46:59,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:59" (1/1) ... [2018-10-27 04:46:59,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:59" (1/1) ... [2018-10-27 04:46:59,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:59" (1/1) ... [2018-10-27 04:46:59,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 04:46:59,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 04:46:59,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 04:46:59,386 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 04:46:59,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93611dcf-ef02-4478-b38e-fd301439dc14/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 [2018-10-27 04:46:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2018-10-27 04:46:59,445 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2018-10-27 04:46:59,445 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-10-27 04:46:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-10-27 04:46:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2018-10-27 04:46:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2018-10-27 04:46:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2018-10-27 04:46:59,446 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2018-10-27 04:46:59,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 04:46:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 04:46:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-10-27 04:46:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-10-27 04:46:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2018-10-27 04:46:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2018-10-27 04:46:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-10-27 04:46:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-10-27 04:46:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-10-27 04:46:59,447 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-10-27 04:46:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2018-10-27 04:46:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2018-10-27 04:46:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2018-10-27 04:46:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2018-10-27 04:46:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2018-10-27 04:46:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2018-10-27 04:46:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2018-10-27 04:46:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2018-10-27 04:46:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-10-27 04:46:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-10-27 04:46:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-10-27 04:46:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-10-27 04:46:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-10-27 04:46:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-10-27 04:46:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2018-10-27 04:46:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2018-10-27 04:46:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-10-27 04:46:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-10-27 04:46:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 04:46:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 04:46:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2018-10-27 04:46:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2018-10-27 04:46:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2018-10-27 04:46:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2018-10-27 04:46:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 04:46:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 04:46:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2018-10-27 04:46:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2018-10-27 04:46:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2018-10-27 04:46:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2018-10-27 04:46:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-10-27 04:46:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-10-27 04:46:59,721 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 04:46:59,722 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 04:46:59,888 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 04:46:59,888 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 04:47:00,000 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 04:47:00,000 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 04:47:00,439 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 04:47:00,439 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 04:47:00,620 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 04:47:00,620 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 04:47:00,773 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 04:47:00,773 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 04:47:00,845 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 04:47:00,845 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 04:47:00,881 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 04:47:00,881 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 04:47:01,201 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 04:47:01,201 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 04:47:01,336 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 04:47:01,336 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 04:47:01,341 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 04:47:01,342 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 04:47:01,351 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-10-27 04:47:01,352 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-27 04:47:01,360 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 04:47:01,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:47:01 BoogieIcfgContainer [2018-10-27 04:47:01,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 04:47:01,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 04:47:01,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 04:47:01,365 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 04:47:01,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:46:58" (1/3) ... [2018-10-27 04:47:01,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671959fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:47:01, skipping insertion in model container [2018-10-27 04:47:01,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:59" (2/3) ... [2018-10-27 04:47:01,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671959fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:47:01, skipping insertion in model container [2018-10-27 04:47:01,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:47:01" (3/3) ... [2018-10-27 04:47:01,368 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-10-27 04:47:01,376 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 04:47:01,382 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-10-27 04:47:01,398 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-10-27 04:47:01,427 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 04:47:01,427 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-27 04:47:01,428 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 04:47:01,428 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 04:47:01,428 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 04:47:01,428 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 04:47:01,428 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 04:47:01,429 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 04:47:01,451 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2018-10-27 04:47:01,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 04:47:01,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 04:47:01 BoogieIcfgContainer [2018-10-27 04:47:01,474 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 04:47:01,474 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 04:47:01,474 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 04:47:01,475 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 04:47:01,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:47:01" (3/4) ... [2018-10-27 04:47:01,479 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 04:47:01,487 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2018-10-27 04:47:01,487 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2018-10-27 04:47:01,487 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2018-10-27 04:47:01,487 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2018-10-27 04:47:01,487 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 04:47:01,488 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2018-10-27 04:47:01,488 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2018-10-27 04:47:01,488 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2018-10-27 04:47:01,488 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2018-10-27 04:47:01,488 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2018-10-27 04:47:01,488 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2018-10-27 04:47:01,488 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2018-10-27 04:47:01,489 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2018-10-27 04:47:01,489 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2018-10-27 04:47:01,489 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2018-10-27 04:47:01,489 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2018-10-27 04:47:01,489 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2018-10-27 04:47:01,489 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2018-10-27 04:47:01,489 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 04:47:01,490 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2018-10-27 04:47:01,490 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2018-10-27 04:47:01,490 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2018-10-27 04:47:01,490 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2018-10-27 04:47:01,491 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2018-10-27 04:47:01,510 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2018-10-27 04:47:01,512 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-10-27 04:47:01,512 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-27 04:47:01,514 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-27 04:47:01,661 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_93611dcf-ef02-4478-b38e-fd301439dc14/bin-2019/utaipan/witness.graphml [2018-10-27 04:47:01,662 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 04:47:01,662 INFO L168 Benchmark]: Toolchain (without parser) took 2839.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 958.1 MB in the beginning and 1.1 GB in the end (delta: -93.8 MB). Peak memory consumption was 83.4 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:01,663 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-10-27 04:47:01,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.21 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 936.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:01,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.46 ms. Allocated memory is still 1.0 GB. Free memory was 936.5 MB in the beginning and 933.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:01,664 INFO L168 Benchmark]: Boogie Preprocessor took 135.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 933.8 MB in the beginning and 1.2 GB in the end (delta: -235.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:01,666 INFO L168 Benchmark]: RCFGBuilder took 1975.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:01,666 INFO L168 Benchmark]: TraceAbstraction took 111.58 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:01,666 INFO L168 Benchmark]: Witness Printer took 187.41 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: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:01,668 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 396.21 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 936.5 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 28.46 ms. Allocated memory is still 1.0 GB. Free memory was 936.5 MB in the beginning and 933.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 135.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 177.2 MB). Free memory was 933.8 MB in the beginning and 1.2 GB in the end (delta: -235.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1975.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 111.58 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 187.41 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: 23.6 MB). Peak memory consumption was 23.6 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, 326 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=302occurred 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...