./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_32e27845-eb9a-45e2-952a-c8c544a5c5a6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_32e27845-eb9a-45e2-952a-c8c544a5c5a6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_32e27845-eb9a-45e2-952a-c8c544a5c5a6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_32e27845-eb9a-45e2-952a-c8c544a5c5a6/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_32e27845-eb9a-45e2-952a-c8c544a5c5a6/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_32e27845-eb9a-45e2-952a-c8c544a5c5a6/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 0.1.23-635dfa2 [2018-12-09 19:06:43,269 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:06:43,270 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:06:43,275 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:06:43,276 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:06:43,276 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:06:43,277 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:06:43,277 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:06:43,278 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:06:43,278 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:06:43,279 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:06:43,279 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:06:43,279 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:06:43,280 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:06:43,280 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:06:43,281 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:06:43,281 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:06:43,282 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:06:43,283 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:06:43,283 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:06:43,284 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:06:43,284 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:06:43,286 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:06:43,286 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:06:43,286 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:06:43,286 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:06:43,287 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:06:43,287 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:06:43,288 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:06:43,288 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:06:43,288 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:06:43,288 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:06:43,289 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:06:43,289 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:06:43,289 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:06:43,289 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:06:43,290 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_32e27845-eb9a-45e2-952a-c8c544a5c5a6/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-12-09 19:06:43,297 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:06:43,297 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:06:43,297 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:06:43,297 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:06:43,298 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:06:43,298 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:06:43,298 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:06:43,298 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:06:43,298 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:06:43,298 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:06:43,298 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:06:43,298 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:06:43,298 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:06:43,299 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 19:06:43,299 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 19:06:43,299 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:06:43,299 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:06:43,299 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 19:06:43,299 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:06:43,299 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:06:43,299 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:06:43,299 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 19:06:43,300 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 19:06:43,300 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 19:06:43,300 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:06:43,300 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:06:43,300 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:06:43,300 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:06:43,300 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:06:43,300 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:06:43,300 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:06:43,300 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:06:43,301 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:06:43,301 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:06:43,301 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:06:43,301 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:06:43,301 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_32e27845-eb9a-45e2-952a-c8c544a5c5a6/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 [2018-12-09 19:06:43,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:06:43,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:06:43,330 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:06:43,331 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:06:43,332 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:06:43,332 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_32e27845-eb9a-45e2-952a-c8c544a5c5a6/bin-2019/utaipan/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-12-09 19:06:43,369 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_32e27845-eb9a-45e2-952a-c8c544a5c5a6/bin-2019/utaipan/data/6fbe25eb0/b346d0d6b74640b98005d25d8b1987c4/FLAG52efe7ce5 [2018-12-09 19:06:43,788 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:06:43,789 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_32e27845-eb9a-45e2-952a-c8c544a5c5a6/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-12-09 19:06:43,798 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_32e27845-eb9a-45e2-952a-c8c544a5c5a6/bin-2019/utaipan/data/6fbe25eb0/b346d0d6b74640b98005d25d8b1987c4/FLAG52efe7ce5 [2018-12-09 19:06:43,806 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_32e27845-eb9a-45e2-952a-c8c544a5c5a6/bin-2019/utaipan/data/6fbe25eb0/b346d0d6b74640b98005d25d8b1987c4 [2018-12-09 19:06:43,808 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:06:43,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:06:43,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:06:43,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:06:43,812 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:06:43,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:06:43" (1/1) ... [2018-12-09 19:06:43,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16752d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:06:43, skipping insertion in model container [2018-12-09 19:06:43,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:06:43" (1/1) ... [2018-12-09 19:06:43,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:06:43,846 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:06:44,017 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:06:44,021 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:06:44,128 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:06:44,142 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:06:44,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:06:44 WrapperNode [2018-12-09 19:06:44,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:06:44,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:06:44,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:06:44,143 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:06:44,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:06:44" (1/1) ... [2018-12-09 19:06:44,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:06:44" (1/1) ... [2018-12-09 19:06:44,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:06:44,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:06:44,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:06:44,167 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:06:44,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:06:44" (1/1) ... [2018-12-09 19:06:44,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:06:44" (1/1) ... [2018-12-09 19:06:44,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:06:44" (1/1) ... [2018-12-09 19:06:44,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:06:44" (1/1) ... [2018-12-09 19:06:44,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:06:44" (1/1) ... [2018-12-09 19:06:44,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:06:44" (1/1) ... [2018-12-09 19:06:44,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:06:44" (1/1) ... [2018-12-09 19:06:44,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:06:44,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:06:44,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:06:44,210 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:06:44,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:06:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_32e27845-eb9a-45e2-952a-c8c544a5c5a6/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 [2018-12-09 19:06:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2018-12-09 19:06:44,246 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2018-12-09 19:06:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-12-09 19:06:44,246 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-12-09 19:06:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2018-12-09 19:06:44,246 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2018-12-09 19:06:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2018-12-09 19:06:44,246 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2018-12-09 19:06:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:06:44,247 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:06:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2018-12-09 19:06:44,247 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2018-12-09 19:06:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-12-09 19:06:44,247 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-12-09 19:06:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2018-12-09 19:06:44,247 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2018-12-09 19:06:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-12-09 19:06:44,247 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-12-09 19:06:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-12-09 19:06:44,247 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-12-09 19:06:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2018-12-09 19:06:44,247 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2018-12-09 19:06:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2018-12-09 19:06:44,248 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2018-12-09 19:06:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2018-12-09 19:06:44,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2018-12-09 19:06:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2018-12-09 19:06:44,248 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2018-12-09 19:06:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-12-09 19:06:44,248 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-12-09 19:06:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-12-09 19:06:44,248 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-12-09 19:06:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-12-09 19:06:44,248 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-12-09 19:06:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-12-09 19:06:44,248 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-12-09 19:06:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2018-12-09 19:06:44,248 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2018-12-09 19:06:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2018-12-09 19:06:44,249 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2018-12-09 19:06:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2018-12-09 19:06:44,249 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2018-12-09 19:06:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:06:44,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:06:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2018-12-09 19:06:44,249 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2018-12-09 19:06:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2018-12-09 19:06:44,249 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2018-12-09 19:06:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2018-12-09 19:06:44,249 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2018-12-09 19:06:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:06:44,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:06:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2018-12-09 19:06:44,250 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2018-12-09 19:06:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2018-12-09 19:06:44,250 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2018-12-09 19:06:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-12-09 19:06:44,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-12-09 19:06:44,392 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 19:06:44,392 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 19:06:44,431 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 19:06:44,432 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 19:06:44,445 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 19:06:44,445 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 19:06:44,536 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 19:06:44,536 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 19:06:44,593 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 19:06:44,593 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 19:06:44,650 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 19:06:44,650 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 19:06:44,657 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 19:06:44,657 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 19:06:44,662 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 19:06:44,662 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 19:06:44,671 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 19:06:44,672 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 19:06:44,712 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 19:06:44,713 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 19:06:44,792 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 19:06:44,792 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 19:06:44,796 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 19:06:44,796 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 19:06:44,799 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-09 19:06:44,800 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-09 19:06:44,812 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:06:44,812 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 19:06:44,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:06:44 BoogieIcfgContainer [2018-12-09 19:06:44,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:06:44,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:06:44,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:06:44,816 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:06:44,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:06:43" (1/3) ... [2018-12-09 19:06:44,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8fe510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:06:44, skipping insertion in model container [2018-12-09 19:06:44,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:06:44" (2/3) ... [2018-12-09 19:06:44,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8fe510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:06:44, skipping insertion in model container [2018-12-09 19:06:44,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:06:44" (3/3) ... [2018-12-09 19:06:44,819 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl4_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-12-09 19:06:44,827 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:06:44,833 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-12-09 19:06:44,844 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-12-09 19:06:44,861 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:06:44,861 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 19:06:44,861 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:06:44,861 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:06:44,862 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:06:44,862 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:06:44,862 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:06:44,862 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:06:44,877 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states. [2018-12-09 19:06:44,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:06:44,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:06:44 BoogieIcfgContainer [2018-12-09 19:06:44,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:06:44,893 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:06:44,893 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:06:44,893 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:06:44,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:06:44" (3/4) ... [2018-12-09 19:06:44,896 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:06:44,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2018-12-09 19:06:44,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2018-12-09 19:06:44,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2018-12-09 19:06:44,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2018-12-09 19:06:44,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:06:44,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyCreateClose [2018-12-09 19:06:44,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2018-12-09 19:06:44,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2018-12-09 19:06:44,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2018-12-09 19:06:44,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2018-12-09 19:06:44,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2018-12-09 19:06:44,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2018-12-09 19:06:44,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2018-12-09 19:06:44,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2018-12-09 19:06:44,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2018-12-09 19:06:44,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2018-12-09 19:06:44,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2018-12-09 19:06:44,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2018-12-09 19:06:44,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2018-12-09 19:06:44,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyDeviceControl [2018-12-09 19:06:44,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlCheckFormatParameters [2018-12-09 19:06:44,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:06:44,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyQueueRequest [2018-12-09 19:06:44,903 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2018-12-09 19:06:44,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2018-12-09 19:06:44,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2018-12-09 19:06:44,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2018-12-09 19:06:44,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2018-12-09 19:06:44,916 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2018-12-09 19:06:44,917 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2018-12-09 19:06:44,917 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 19:06:44,918 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:06:45,002 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_32e27845-eb9a-45e2-952a-c8c544a5c5a6/bin-2019/utaipan/witness.graphml [2018-12-09 19:06:45,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:06:45,003 INFO L168 Benchmark]: Toolchain (without parser) took 1194.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 948.1 MB in the beginning and 972.2 MB in the end (delta: -24.1 MB). Peak memory consumption was 136.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:06:45,004 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:06:45,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -195.3 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:06:45,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:06:45,004 INFO L168 Benchmark]: Boogie Preprocessor took 42.34 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:06:45,004 INFO L168 Benchmark]: RCFGBuilder took 603.36 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: 115.7 MB). Peak memory consumption was 115.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:06:45,005 INFO L168 Benchmark]: TraceAbstraction took 78.84 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:06:45,005 INFO L168 Benchmark]: Witness Printer took 109.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 972.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:06:45,006 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -195.3 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.34 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 603.36 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: 115.7 MB). Peak memory consumption was 115.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 78.84 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 109.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 972.2 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 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...