./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b5699aa Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_17a6935d-f843-4afc-84a0-f0a4ac283486/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_17a6935d-f843-4afc-84a0-f0a4ac283486/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_17a6935d-f843-4afc-84a0-f0a4ac283486/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_17a6935d-f843-4afc-84a0-f0a4ac283486/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_17a6935d-f843-4afc-84a0-f0a4ac283486/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_17a6935d-f843-4afc-84a0-f0a4ac283486/bin/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 9b1a240fd075ce2cb4ef354f75e9bf02a7f7ab6f .......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-25 08:50:48,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:50:48,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:50:48,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:50:48,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:50:48,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:50:48,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:50:48,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:50:48,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:50:48,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:50:48,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:50:48,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:50:48,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:50:48,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:50:48,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:50:48,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:50:48,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:50:48,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:50:48,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:50:48,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:50:48,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:50:48,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:50:48,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:50:48,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:50:48,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:50:48,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:50:48,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:50:48,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:50:48,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:50:48,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:50:48,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:50:48,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:50:48,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:50:48,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:50:48,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:50:48,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:50:48,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:50:48,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:50:48,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:50:48,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:50:48,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:50:48,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_17a6935d-f843-4afc-84a0-f0a4ac283486/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-25 08:50:48,185 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:50:48,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:50:48,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:50:48,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:50:48,187 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:50:48,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:50:48,187 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:50:48,187 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:50:48,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:50:48,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:50:48,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:50:48,188 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-25 08:50:48,188 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-25 08:50:48,188 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-25 08:50:48,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:50:48,189 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:50:48,189 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:50:48,189 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:50:48,189 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:50:48,189 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:50:48,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:50:48,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:50:48,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:50:48,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:50:48,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:50:48,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:50:48,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:50:48,191 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:50:48,191 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:50:48,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:50:48,191 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_17a6935d-f843-4afc-84a0-f0a4ac283486/bin/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 -> 9b1a240fd075ce2cb4ef354f75e9bf02a7f7ab6f [2019-11-25 08:50:48,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:50:48,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:50:48,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:50:48,358 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:50:48,359 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:50:48,360 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_17a6935d-f843-4afc-84a0-f0a4ac283486/bin/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-11-25 08:50:48,420 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_17a6935d-f843-4afc-84a0-f0a4ac283486/bin/uautomizer/data/85c0ad137/0611a3aa6d4244d797ac1185681bd31b/FLAGc3d533c36 [2019-11-25 08:50:48,880 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:50:48,880 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_17a6935d-f843-4afc-84a0-f0a4ac283486/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-11-25 08:50:48,896 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_17a6935d-f843-4afc-84a0-f0a4ac283486/bin/uautomizer/data/85c0ad137/0611a3aa6d4244d797ac1185681bd31b/FLAGc3d533c36 [2019-11-25 08:50:49,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_17a6935d-f843-4afc-84a0-f0a4ac283486/bin/uautomizer/data/85c0ad137/0611a3aa6d4244d797ac1185681bd31b [2019-11-25 08:50:49,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:50:49,243 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-25 08:50:49,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:49,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:50:49,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:50:49,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7599c8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49, skipping insertion in model container [2019-11-25 08:50:49,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:50:49,310 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:50:49,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:49,677 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:50:49,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:50:49,796 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:50:49,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49 WrapperNode [2019-11-25 08:50:49,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:50:49,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:50:49,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:50:49,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:50:49,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... [2019-11-25 08:50:49,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:50:49,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:50:49,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:50:49,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:50:49,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17a6935d-f843-4afc-84a0-f0a4ac283486/bin/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 [2019-11-25 08:50:49,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-25 08:50:49,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:50:49,976 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-11-25 08:50:49,977 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-11-25 08:50:49,977 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-11-25 08:50:49,978 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-11-25 08:50:49,978 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-11-25 08:50:49,978 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-11-25 08:50:49,979 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-11-25 08:50:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-11-25 08:50:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-11-25 08:50:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-11-25 08:50:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-25 08:50:49,980 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-11-25 08:50:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-11-25 08:50:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-11-25 08:50:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-11-25 08:50:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-11-25 08:50:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-11-25 08:50:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-11-25 08:50:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-11-25 08:50:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-11-25 08:50:49,984 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-11-25 08:50:49,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-11-25 08:50:49,985 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-11-25 08:50:49,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-11-25 08:50:49,985 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2019-11-25 08:50:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-25 08:50:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-25 08:50:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-25 08:50:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-25 08:50:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-11-25 08:50:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-11-25 08:50:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-11-25 08:50:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-11-25 08:50:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-11-25 08:50:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-11-25 08:50:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-11-25 08:50:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-11-25 08:50:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-11-25 08:50:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-11-25 08:50:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-11-25 08:50:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-11-25 08:50:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-11-25 08:50:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-11-25 08:50:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-11-25 08:50:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-11-25 08:50:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-11-25 08:50:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-11-25 08:50:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-11-25 08:50:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-11-25 08:50:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-11-25 08:50:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-11-25 08:50:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-25 08:50:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-11-25 08:50:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2019-11-25 08:50:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-25 08:50:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:50:50,357 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:50:50,424 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-25 08:50:50,424 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-25 08:50:50,447 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:50:50,467 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-25 08:50:50,467 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-25 08:50:50,475 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:50:50,766 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-11-25 08:50:50,766 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-11-25 08:50:50,768 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:50:50,880 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-11-25 08:50:50,880 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-11-25 08:50:50,900 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:50:50,938 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-11-25 08:50:50,939 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-11-25 08:50:51,044 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:50:51,060 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-25 08:50:51,060 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-25 08:50:51,060 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:50:51,076 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-25 08:50:51,076 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-25 08:50:51,076 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:50:51,090 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-25 08:50:51,091 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-25 08:50:51,146 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:50:51,179 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-11-25 08:50:51,179 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-11-25 08:50:51,206 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:50:51,213 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-25 08:50:51,213 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-25 08:50:51,214 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:50:51,231 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-25 08:50:51,231 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-25 08:50:51,231 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-25 08:50:51,238 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-25 08:50:51,238 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-25 08:50:51,251 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:50:51,251 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-25 08:50:51,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:51 BoogieIcfgContainer [2019-11-25 08:50:51,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:50:51,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:50:51,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:50:51,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:50:51,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:50:49" (1/3) ... [2019-11-25 08:50:51,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7d322b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:50:51, skipping insertion in model container [2019-11-25 08:50:51,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:50:49" (2/3) ... [2019-11-25 08:50:51,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7d322b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:50:51, skipping insertion in model container [2019-11-25 08:50:51,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:51" (3/3) ... [2019-11-25 08:50:51,266 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-2.c [2019-11-25 08:50:51,275 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:50:51,290 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-25 08:50:51,300 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-25 08:50:51,323 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:50:51,324 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-25 08:50:51,324 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:50:51,324 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:50:51,324 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:50:51,324 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:50:51,324 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:50:51,325 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:50:51,357 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2019-11-25 08:50:51,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:50:51,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:50:51 BoogieIcfgContainer [2019-11-25 08:50:51,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:50:51,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:50:51,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:50:51,397 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:50:51,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:50:51" (3/4) ... [2019-11-25 08:50:51,403 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:50:51,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2019-11-25 08:50:51,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2019-11-25 08:50:51,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyProcessQueuedRequests [2019-11-25 08:50:51,417 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2019-11-25 08:50:51,418 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2019-11-25 08:50:51,418 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-25 08:50:51,418 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyCreateClose [2019-11-25 08:50:51,418 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2019-11-25 08:50:51,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2019-11-25 08:50:51,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2019-11-25 08:50:51,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2019-11-25 08:50:51,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2019-11-25 08:50:51,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2019-11-25 08:50:51,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2019-11-25 08:50:51,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2019-11-25 08:50:51,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2019-11-25 08:50:51,428 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2019-11-25 08:50:51,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2019-11-25 08:50:51,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2019-11-25 08:50:51,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2019-11-25 08:50:51,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-25 08:50:51,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2019-11-25 08:50:51,429 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2019-11-25 08:50:51,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2019-11-25 08:50:51,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2019-11-25 08:50:51,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2019-11-25 08:50:51,456 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2019-11-25 08:50:51,458 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2019-11-25 08:50:51,459 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-25 08:50:51,461 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:50:51,604 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_17a6935d-f843-4afc-84a0-f0a4ac283486/bin/uautomizer/witness.graphml [2019-11-25 08:50:51,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:50:51,606 INFO L168 Benchmark]: Toolchain (without parser) took 2362.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 947.5 MB in the beginning and 951.9 MB in the end (delta: -4.5 MB). Peak memory consumption was 91.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:51,606 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:50:51,606 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 947.5 MB in the beginning and 1.1 GB in the end (delta: -132.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:51,607 INFO L168 Benchmark]: Boogie Preprocessor took 97.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:51,607 INFO L168 Benchmark]: RCFGBuilder took 1356.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 979.7 MB in the end (delta: 91.5 MB). Peak memory consumption was 91.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:51,607 INFO L168 Benchmark]: TraceAbstraction took 139.82 ms. Allocated memory is still 1.1 GB. Free memory was 979.7 MB in the beginning and 972.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:51,608 INFO L168 Benchmark]: Witness Printer took 207.57 ms. Allocated memory is still 1.1 GB. Free memory was 972.8 MB in the beginning and 951.9 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:50:51,610 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 553.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 947.5 MB in the beginning and 1.1 GB in the end (delta: -132.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 97.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1356.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 979.7 MB in the end (delta: 91.5 MB). Peak memory consumption was 91.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 139.82 ms. Allocated memory is still 1.1 GB. Free memory was 979.7 MB in the beginning and 972.8 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 207.57 ms. Allocated memory is still 1.1 GB. Free memory was 972.8 MB in the beginning and 951.9 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 308 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=303occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 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...