./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 678e0110 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 7ccaa093bf8ff79a61d120955ada15d034501ead ....................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-19 22:16:02,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:16:02,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:16:02,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:16:02,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:16:02,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:16:02,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:16:02,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:16:02,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:16:02,193 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:16:02,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:16:02,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:16:02,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:16:02,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:16:02,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:16:02,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:16:02,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:16:02,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:16:02,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:16:02,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:16:02,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:16:02,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:16:02,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:16:02,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:16:02,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:16:02,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:16:02,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:16:02,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:16:02,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:16:02,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:16:02,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:16:02,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:16:02,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:16:02,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:16:02,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:16:02,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:16:02,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:16:02,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:16:02,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:16:02,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:16:02,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:16:02,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-19 22:16:02,247 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:16:02,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:16:02,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:16:02,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:16:02,250 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:16:02,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:16:02,251 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:16:02,251 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:16:02,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:16:02,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:16:02,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:16:02,254 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-19 22:16:02,254 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-19 22:16:02,254 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-19 22:16:02,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:16:02,255 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 22:16:02,255 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 22:16:02,256 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:16:02,256 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:16:02,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:16:02,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:16:02,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:16:02,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 22:16:02,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:16:02,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:16:02,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:16:02,259 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 22:16:02,259 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 22:16:02,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 22:16:02,260 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 7ccaa093bf8ff79a61d120955ada15d034501ead [2019-11-19 22:16:02,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:16:02,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:16:02,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:16:02,585 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:16:02,585 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:16:02,586 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-11-19 22:16:02,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c8d759fd/71aa7ecb0c9f4c0a8784beed30f5cd44/FLAG15cf02300 [2019-11-19 22:16:03,180 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:16:03,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-11-19 22:16:03,205 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c8d759fd/71aa7ecb0c9f4c0a8784beed30f5cd44/FLAG15cf02300 [2019-11-19 22:16:03,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c8d759fd/71aa7ecb0c9f4c0a8784beed30f5cd44 [2019-11-19 22:16:03,436 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:16:03,438 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-19 22:16:03,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:16:03,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:16:03,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:16:03,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:16:03" (1/1) ... [2019-11-19 22:16:03,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27e2723f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:03, skipping insertion in model container [2019-11-19 22:16:03,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:16:03" (1/1) ... [2019-11-19 22:16:03,455 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:16:03,515 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:16:03,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:16:03,985 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:16:04,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:16:04,087 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:16:04,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:04 WrapperNode [2019-11-19 22:16:04,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:16:04,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:16:04,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:16:04,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:16:04,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:04" (1/1) ... [2019-11-19 22:16:04,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:04" (1/1) ... [2019-11-19 22:16:04,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:04" (1/1) ... [2019-11-19 22:16:04,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:04" (1/1) ... [2019-11-19 22:16:04,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:04" (1/1) ... [2019-11-19 22:16:04,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:04" (1/1) ... [2019-11-19 22:16:04,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:04" (1/1) ... [2019-11-19 22:16:04,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:16:04,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:16:04,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:16:04,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:16:04,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-19 22:16:04,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-19 22:16:04,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:16:04,257 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-11-19 22:16:04,257 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-11-19 22:16:04,257 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-11-19 22:16:04,258 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-11-19 22:16:04,258 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-11-19 22:16:04,258 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-11-19 22:16:04,258 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-11-19 22:16:04,259 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-11-19 22:16:04,260 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-11-19 22:16:04,260 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-11-19 22:16:04,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-19 22:16:04,260 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-11-19 22:16:04,261 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-11-19 22:16:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-11-19 22:16:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-11-19 22:16:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-11-19 22:16:04,262 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-11-19 22:16:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-11-19 22:16:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-11-19 22:16:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-11-19 22:16:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-11-19 22:16:04,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-11-19 22:16:04,264 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-11-19 22:16:04,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-11-19 22:16:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-19 22:16:04,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-19 22:16:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-19 22:16:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-19 22:16:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-11-19 22:16:04,266 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-11-19 22:16:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-11-19 22:16:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-11-19 22:16:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-11-19 22:16:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-11-19 22:16:04,267 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-11-19 22:16:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-11-19 22:16:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-11-19 22:16:04,268 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-11-19 22:16:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-11-19 22:16:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-11-19 22:16:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-11-19 22:16:04,269 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-11-19 22:16:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-11-19 22:16:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-11-19 22:16:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-11-19 22:16:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-11-19 22:16:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-11-19 22:16:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-11-19 22:16:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-11-19 22:16:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-11-19 22:16:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-19 22:16:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-11-19 22:16:04,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-19 22:16:04,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:16:04,627 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:16:04,682 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-19 22:16:04,682 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-19 22:16:04,692 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:16:04,715 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-19 22:16:04,715 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-19 22:16:04,726 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:16:05,052 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-11-19 22:16:05,052 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-11-19 22:16:05,054 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:16:05,151 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-11-19 22:16:05,151 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-11-19 22:16:05,170 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:16:05,218 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-11-19 22:16:05,218 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-11-19 22:16:05,329 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:16:05,339 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-19 22:16:05,339 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-19 22:16:05,340 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:16:05,349 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-19 22:16:05,350 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-19 22:16:05,350 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:16:05,370 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-19 22:16:05,370 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-19 22:16:05,414 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:16:05,453 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-11-19 22:16:05,453 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-11-19 22:16:05,488 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:16:05,498 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-19 22:16:05,498 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-19 22:16:05,498 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:16:05,516 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-19 22:16:05,516 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-19 22:16:05,517 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-19 22:16:05,531 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-19 22:16:05,531 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-19 22:16:05,544 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:16:05,544 INFO L285 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-19 22:16:05,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:16:05 BoogieIcfgContainer [2019-11-19 22:16:05,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:16:05,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 22:16:05,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 22:16:05,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 22:16:05,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:16:03" (1/3) ... [2019-11-19 22:16:05,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d765ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:16:05, skipping insertion in model container [2019-11-19 22:16:05,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:16:04" (2/3) ... [2019-11-19 22:16:05,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d765ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:16:05, skipping insertion in model container [2019-11-19 22:16:05,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:16:05" (3/3) ... [2019-11-19 22:16:05,558 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-1.c [2019-11-19 22:16:05,569 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 22:16:05,578 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-19 22:16:05,592 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-19 22:16:05,626 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 22:16:05,626 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-19 22:16:05,627 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 22:16:05,627 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:16:05,627 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:16:05,628 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 22:16:05,628 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:16:05,628 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 22:16:05,669 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states. [2019-11-19 22:16:05,713 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:16:05,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:16:05 BoogieIcfgContainer [2019-11-19 22:16:05,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 22:16:05,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:16:05,723 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:16:05,723 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:16:05,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:16:05" (3/4) ... [2019-11-19 22:16:05,727 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:16:05,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2019-11-19 22:16:05,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2019-11-19 22:16:05,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyProcessQueuedRequests [2019-11-19 22:16:05,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2019-11-19 22:16:05,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2019-11-19 22:16:05,736 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-19 22:16:05,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2019-11-19 22:16:05,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2019-11-19 22:16:05,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2019-11-19 22:16:05,737 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2019-11-19 22:16:05,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2019-11-19 22:16:05,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2019-11-19 22:16:05,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2019-11-19 22:16:05,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2019-11-19 22:16:05,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2019-11-19 22:16:05,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2019-11-19 22:16:05,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2019-11-19 22:16:05,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2019-11-19 22:16:05,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2019-11-19 22:16:05,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-19 22:16:05,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2019-11-19 22:16:05,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2019-11-19 22:16:05,741 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2019-11-19 22:16:05,741 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2019-11-19 22:16:05,742 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2019-11-19 22:16:05,761 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2019-11-19 22:16:05,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2019-11-19 22:16:05,765 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-19 22:16:05,767 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 22:16:05,960 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 22:16:05,961 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:16:05,963 INFO L168 Benchmark]: Toolchain (without parser) took 2524.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -46.3 MB). Peak memory consumption was 100.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:16:05,964 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:16:05,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:16:05,964 INFO L168 Benchmark]: Boogie Preprocessor took 83.56 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:16:05,965 INFO L168 Benchmark]: RCFGBuilder took 1374.98 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: 83.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:16:05,965 INFO L168 Benchmark]: TraceAbstraction took 173.76 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:16:05,966 INFO L168 Benchmark]: Witness Printer took 238.42 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: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:16:05,968 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 648.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.56 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1374.98 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: 83.8 MB). Peak memory consumption was 83.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 173.76 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Witness Printer took 238.42 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: 26.5 MB). Peak memory consumption was 26.5 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 26 procedures, 304 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=301occurred 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...