./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_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_a9c921c4-196d-4e82-884b-94cef4fcef4c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9c921c4-196d-4e82-884b-94cef4fcef4c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9c921c4-196d-4e82-884b-94cef4fcef4c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9c921c4-196d-4e82-884b-94cef4fcef4c/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a9c921c4-196d-4e82-884b-94cef4fcef4c/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9c921c4-196d-4e82-884b-94cef4fcef4c/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 d90cbad8cb6ced9c4f7ef95245e13f326de4004d ............................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:36:34,090 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:36:34,091 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:36:34,099 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:36:34,099 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:36:34,100 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:36:34,101 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:36:34,102 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:36:34,103 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:36:34,103 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:36:34,104 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:36:34,104 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:36:34,105 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:36:34,105 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:36:34,106 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:36:34,107 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:36:34,107 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:36:34,108 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:36:34,110 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:36:34,111 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:36:34,111 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:36:34,112 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:36:34,114 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:36:34,114 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:36:34,114 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:36:34,115 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:36:34,115 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:36:34,116 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:36:34,116 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:36:34,117 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:36:34,117 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:36:34,118 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:36:34,118 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:36:34,118 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:36:34,119 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:36:34,119 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:36:34,119 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9c921c4-196d-4e82-884b-94cef4fcef4c/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-10 05:36:34,129 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:36:34,129 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:36:34,129 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:36:34,129 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:36:34,129 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:36:34,130 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:36:34,130 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:36:34,130 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:36:34,130 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:36:34,130 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:36:34,130 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:36:34,130 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-10 05:36:34,130 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-10 05:36:34,130 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-10 05:36:34,130 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:36:34,130 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:36:34,131 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:36:34,131 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:36:34,131 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:36:34,131 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:36:34,131 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:36:34,131 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:36:34,131 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:36:34,131 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 05:36:34,131 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:36:34,131 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_a9c921c4-196d-4e82-884b-94cef4fcef4c/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 -> d90cbad8cb6ced9c4f7ef95245e13f326de4004d [2018-11-10 05:36:34,152 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:36:34,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:36:34,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:36:34,162 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:36:34,163 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:36:34,163 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9c921c4-196d-4e82-884b-94cef4fcef4c/bin-2019/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-10 05:36:34,199 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9c921c4-196d-4e82-884b-94cef4fcef4c/bin-2019/uautomizer/data/d2b96c653/9b321d6bede04769b889e64cc0a3d55d/FLAGd6cf75bd4 [2018-11-10 05:36:34,630 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:36:34,630 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9c921c4-196d-4e82-884b-94cef4fcef4c/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-10 05:36:34,640 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9c921c4-196d-4e82-884b-94cef4fcef4c/bin-2019/uautomizer/data/d2b96c653/9b321d6bede04769b889e64cc0a3d55d/FLAGd6cf75bd4 [2018-11-10 05:36:34,649 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9c921c4-196d-4e82-884b-94cef4fcef4c/bin-2019/uautomizer/data/d2b96c653/9b321d6bede04769b889e64cc0a3d55d [2018-11-10 05:36:34,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:36:34,653 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 05:36:34,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:36:34,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:36:34,657 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:36:34,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:36:34" (1/1) ... [2018-11-10 05:36:34,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13190ff5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:34, skipping insertion in model container [2018-11-10 05:36:34,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:36:34" (1/1) ... [2018-11-10 05:36:34,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:36:34,700 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:36:34,904 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:36:34,907 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:36:34,977 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:36:34,991 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:36:34,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:34 WrapperNode [2018-11-10 05:36:34,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:36:34,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:36:34,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:36:34,992 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:36:35,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:34" (1/1) ... [2018-11-10 05:36:35,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:34" (1/1) ... [2018-11-10 05:36:35,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:34" (1/1) ... [2018-11-10 05:36:35,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:34" (1/1) ... [2018-11-10 05:36:35,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:34" (1/1) ... [2018-11-10 05:36:35,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:34" (1/1) ... [2018-11-10 05:36:35,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:34" (1/1) ... [2018-11-10 05:36:35,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:36:35,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:36:35,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:36:35,099 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:36:35,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9c921c4-196d-4e82-884b-94cef4fcef4c/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 [2018-11-10 05:36:35,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:36:35,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:36:35,149 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-11-10 05:36:35,149 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2018-11-10 05:36:35,149 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2018-11-10 05:36:35,149 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2018-11-10 05:36:35,150 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2018-11-10 05:36:35,150 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2018-11-10 05:36:35,150 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2018-11-10 05:36:35,150 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2018-11-10 05:36:35,150 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-11-10 05:36:35,150 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:36:35,150 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2018-11-10 05:36:35,150 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2018-11-10 05:36:35,151 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2018-11-10 05:36:35,151 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2018-11-10 05:36:35,151 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2018-11-10 05:36:35,151 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-10 05:36:35,151 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-10 05:36:35,151 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-10 05:36:35,151 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-11-10 05:36:35,151 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-11-10 05:36:35,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2018-11-10 05:36:35,152 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2018-11-10 05:36:35,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-11-10 05:36:35,152 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2018-11-10 05:36:35,152 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2018-11-10 05:36:35,152 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2018-11-10 05:36:35,152 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2018-11-10 05:36:35,152 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-10 05:36:35,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 05:36:35,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-11-10 05:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 05:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2018-11-10 05:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-10 05:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2018-11-10 05:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2018-11-10 05:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2018-11-10 05:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2018-11-10 05:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2018-11-10 05:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2018-11-10 05:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2018-11-10 05:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2018-11-10 05:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2018-11-10 05:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2018-11-10 05:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2018-11-10 05:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-10 05:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-11-10 05:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-11-10 05:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2018-11-10 05:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2018-11-10 05:36:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-11-10 05:36:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2018-11-10 05:36:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2018-11-10 05:36:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2018-11-10 05:36:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2018-11-10 05:36:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-10 05:36:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-10 05:36:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-11-10 05:36:35,155 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2018-11-10 05:36:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-11-10 05:36:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:36:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-10 05:36:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:36:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:36:35,391 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 05:36:35,391 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 05:36:35,430 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 05:36:35,430 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 05:36:35,440 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 05:36:35,440 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 05:36:35,600 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 05:36:35,600 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 05:36:35,649 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 05:36:35,649 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 05:36:35,729 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 05:36:35,729 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 05:36:35,749 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 05:36:35,749 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 05:36:35,757 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 05:36:35,757 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 05:36:35,788 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 05:36:35,788 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 05:36:35,811 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 05:36:35,812 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 05:36:35,919 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 05:36:35,919 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 05:36:35,922 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 05:36:35,923 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 05:36:35,935 WARN L667 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-10 05:36:35,935 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-10 05:36:35,944 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:36:35,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:36:35 BoogieIcfgContainer [2018-11-10 05:36:35,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:36:35,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:36:35,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:36:35,949 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:36:35,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:36:34" (1/3) ... [2018-11-10 05:36:35,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3dc0cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:36:35, skipping insertion in model container [2018-11-10 05:36:35,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:36:34" (2/3) ... [2018-11-10 05:36:35,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b3dc0cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:36:35, skipping insertion in model container [2018-11-10 05:36:35,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:36:35" (3/3) ... [2018-11-10 05:36:35,951 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-10 05:36:35,957 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:36:35,963 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-11-10 05:36:35,972 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-11-10 05:36:35,989 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:36:35,990 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:36:35,990 INFO L383 AbstractCegarLoop]: Hoare is false [2018-11-10 05:36:35,990 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:36:35,990 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:36:35,990 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:36:35,990 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:36:35,990 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:36:35,991 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:36:36,009 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states. [2018-11-10 05:36:36,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:36:36,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:36:36 BoogieIcfgContainer [2018-11-10 05:36:36,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:36:36,029 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:36:36,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:36:36,030 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:36:36,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:36:35" (3/4) ... [2018-11-10 05:36:36,033 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:36:36,042 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2018-11-10 05:36:36,042 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2018-11-10 05:36:36,042 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyProcessQueuedRequests [2018-11-10 05:36:36,042 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2018-11-10 05:36:36,043 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2018-11-10 05:36:36,043 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 05:36:36,043 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyCreateClose [2018-11-10 05:36:36,043 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2018-11-10 05:36:36,043 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2018-11-10 05:36:36,043 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2018-11-10 05:36:36,043 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2018-11-10 05:36:36,043 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2018-11-10 05:36:36,043 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2018-11-10 05:36:36,044 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2018-11-10 05:36:36,044 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2018-11-10 05:36:36,044 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2018-11-10 05:36:36,044 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2018-11-10 05:36:36,044 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2018-11-10 05:36:36,044 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2018-11-10 05:36:36,044 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2018-11-10 05:36:36,044 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyDeviceControl [2018-11-10 05:36:36,044 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FlCheckFormatParameters [2018-11-10 05:36:36,044 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 05:36:36,045 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyQueueRequest [2018-11-10 05:36:36,045 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2018-11-10 05:36:36,046 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2018-11-10 05:36:36,047 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2018-11-10 05:36:36,047 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2018-11-10 05:36:36,047 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2018-11-10 05:36:36,064 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2018-11-10 05:36:36,066 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2018-11-10 05:36:36,067 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-10 05:36:36,068 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 05:36:36,241 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a9c921c4-196d-4e82-884b-94cef4fcef4c/bin-2019/uautomizer/witness.graphml [2018-11-10 05:36:36,241 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:36:36,242 INFO L168 Benchmark]: Toolchain (without parser) took 1589.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 957.0 MB in the beginning and 980.5 MB in the end (delta: -23.5 MB). Peak memory consumption was 133.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:36:36,243 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:36:36,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.17 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 922.1 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:36:36,243 INFO L168 Benchmark]: Boogie Preprocessor took 105.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 922.1 MB in the beginning and 1.1 GB in the end (delta: -224.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:36:36,244 INFO L168 Benchmark]: RCFGBuilder took 846.55 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: 121.0 MB). Peak memory consumption was 121.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:36:36,244 INFO L168 Benchmark]: TraceAbstraction took 83.70 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:36:36,244 INFO L168 Benchmark]: Witness Printer took 211.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 980.5 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:36:36,246 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.17 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 922.1 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 105.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 922.1 MB in the beginning and 1.1 GB in the end (delta: -224.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 846.55 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: 121.0 MB). Peak memory consumption was 121.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 83.70 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: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Witness Printer took 211.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 980.5 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 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 30 procedures, 419 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=390occurred 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...