./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c 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_simpl4.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.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 579bc16896f0e20e11afe49ee7ceb82dfd52b156 ..................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:18:55,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:18:55,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:18:55,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:18:55,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:18:55,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:18:55,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:18:55,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:18:55,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:18:55,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:18:55,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:18:55,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:18:55,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:18:55,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:18:55,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:18:55,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:18:55,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:18:55,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:18:55,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:18:55,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:18:55,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:18:55,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:18:55,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:18:55,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:18:55,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:18:55,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:18:55,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:18:55,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:18:55,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:18:55,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:18:55,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:18:55,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:18:55,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:18:55,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:18:55,231 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:18:55,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:18:55,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:18:55,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:18:55,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:18:55,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:18:55,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:18:55,236 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 20:18:55,273 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:18:55,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:18:55,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:18:55,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:18:55,277 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:18:55,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:18:55,278 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:18:55,278 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:18:55,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:18:55,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:18:55,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:18:55,280 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:18:55,280 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:18:55,281 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:18:55,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:18:55,281 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:18:55,282 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:18:55,282 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:18:55,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:18:55,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:18:55,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:18:55,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:18:55,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:18:55,286 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:18:55,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:18:55,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:18:55,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:18:55,287 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:18:55,287 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 579bc16896f0e20e11afe49ee7ceb82dfd52b156 [2019-11-28 20:18:55,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:18:55,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:18:55,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:18:55,622 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:18:55,622 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:18:55,624 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-28 20:18:55,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/833cf6cf8/589d3d6b3f4e4119a280a7ed3e947b90/FLAG15bb76c3a [2019-11-28 20:18:56,240 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:18:56,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-11-28 20:18:56,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/833cf6cf8/589d3d6b3f4e4119a280a7ed3e947b90/FLAG15bb76c3a [2019-11-28 20:18:56,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/833cf6cf8/589d3d6b3f4e4119a280a7ed3e947b90 [2019-11-28 20:18:56,515 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:18:56,517 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:18:56,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:18:56,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:18:56,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:18:56,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:18:56" (1/1) ... [2019-11-28 20:18:56,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c493f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:56, skipping insertion in model container [2019-11-28 20:18:56,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:18:56" (1/1) ... [2019-11-28 20:18:56,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:18:56,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:18:57,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:18:57,109 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:18:57,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:18:57,244 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:18:57,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:57 WrapperNode [2019-11-28 20:18:57,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:18:57,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:18:57,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:18:57,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:18:57,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:57" (1/1) ... [2019-11-28 20:18:57,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:57" (1/1) ... [2019-11-28 20:18:57,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:57" (1/1) ... [2019-11-28 20:18:57,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:57" (1/1) ... [2019-11-28 20:18:57,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:57" (1/1) ... [2019-11-28 20:18:57,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:57" (1/1) ... [2019-11-28 20:18:57,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:57" (1/1) ... [2019-11-28 20:18:57,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:18:57,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:18:57,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:18:57,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:18:57,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:57" (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 [2019-11-28 20:18:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 20:18:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:18:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-11-28 20:18:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-11-28 20:18:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-11-28 20:18:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-11-28 20:18:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-11-28 20:18:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-11-28 20:18:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-11-28 20:18:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-11-28 20:18:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-11-28 20:18:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 20:18:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-11-28 20:18:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-11-28 20:18:57,459 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-11-28 20:18:57,459 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-11-28 20:18:57,459 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-11-28 20:18:57,460 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-11-28 20:18:57,460 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-11-28 20:18:57,460 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-11-28 20:18:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-11-28 20:18:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-11-28 20:18:57,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-11-28 20:18:57,462 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-11-28 20:18:57,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-11-28 20:18:57,462 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2019-11-28 20:18:57,462 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2019-11-28 20:18:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2019-11-28 20:18:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2019-11-28 20:18:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-11-28 20:18:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 20:18:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-28 20:18:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 20:18:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-28 20:18:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-11-28 20:18:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-11-28 20:18:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-11-28 20:18:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-11-28 20:18:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-11-28 20:18:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-11-28 20:18:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-11-28 20:18:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-11-28 20:18:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-11-28 20:18:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-11-28 20:18:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-11-28 20:18:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-11-28 20:18:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-11-28 20:18:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-11-28 20:18:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-11-28 20:18:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-11-28 20:18:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-11-28 20:18:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2019-11-28 20:18:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2019-11-28 20:18:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2019-11-28 20:18:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2019-11-28 20:18:57,469 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-11-28 20:18:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-11-28 20:18:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-11-28 20:18:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-11-28 20:18:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-11-28 20:18:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 20:18:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-11-28 20:18:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 20:18:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:18:57,895 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:57,958 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-28 20:18:57,958 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-28 20:18:57,968 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:57,992 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-28 20:18:57,993 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-28 20:18:58,007 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:58,270 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-11-28 20:18:58,270 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-11-28 20:18:58,272 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:58,425 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2019-11-28 20:18:58,426 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2019-11-28 20:18:58,450 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:58,474 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-11-28 20:18:58,474 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-11-28 20:18:58,557 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:58,566 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-28 20:18:58,567 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-28 20:18:58,567 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:58,577 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-28 20:18:58,577 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-28 20:18:58,578 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:58,592 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-28 20:18:58,592 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-28 20:18:58,639 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:58,675 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-11-28 20:18:58,676 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-11-28 20:18:58,679 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:58,849 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2019-11-28 20:18:58,849 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2019-11-28 20:18:58,918 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:58,927 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-28 20:18:58,927 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-28 20:18:58,928 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:58,938 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-28 20:18:58,938 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-28 20:18:58,938 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:58,945 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-28 20:18:58,945 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-28 20:18:58,960 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:18:58,960 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 20:18:58,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:18:58 BoogieIcfgContainer [2019-11-28 20:18:58,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:18:58,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:18:58,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:18:58,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:18:58,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:18:56" (1/3) ... [2019-11-28 20:18:58,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f755f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:18:58, skipping insertion in model container [2019-11-28 20:18:58,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:57" (2/3) ... [2019-11-28 20:18:58,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f755f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:18:58, skipping insertion in model container [2019-11-28 20:18:58,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:18:58" (3/3) ... [2019-11-28 20:18:58,979 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl4.cil-1.c [2019-11-28 20:18:58,990 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:18:58,999 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-28 20:18:59,012 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-28 20:18:59,034 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:18:59,034 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 20:18:59,035 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:18:59,035 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:18:59,035 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:18:59,035 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:18:59,036 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:18:59,036 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:18:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states. [2019-11-28 20:18:59,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 20:18:59,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:18:59 BoogieIcfgContainer [2019-11-28 20:18:59,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:18:59,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:18:59,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:18:59,095 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:18:59,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:18:58" (3/4) ... [2019-11-28 20:18:59,100 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 20:18:59,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2019-11-28 20:18:59,109 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2019-11-28 20:18:59,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyProcessQueuedRequests [2019-11-28 20:18:59,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2019-11-28 20:18:59,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2019-11-28 20:18:59,110 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-28 20:18:59,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyCreateClose [2019-11-28 20:18:59,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2019-11-28 20:18:59,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2019-11-28 20:18:59,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2019-11-28 20:18:59,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2019-11-28 20:18:59,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2019-11-28 20:18:59,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2019-11-28 20:18:59,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2019-11-28 20:18:59,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2019-11-28 20:18:59,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2019-11-28 20:18:59,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2019-11-28 20:18:59,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2019-11-28 20:18:59,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2019-11-28 20:18:59,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2019-11-28 20:18:59,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyDeviceControl [2019-11-28 20:18:59,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlCheckFormatParameters [2019-11-28 20:18:59,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-28 20:18:59,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyQueueRequest [2019-11-28 20:18:59,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2019-11-28 20:18:59,115 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2019-11-28 20:18:59,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2019-11-28 20:18:59,116 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2019-11-28 20:18:59,117 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2019-11-28 20:18:59,156 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2019-11-28 20:18:59,161 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2019-11-28 20:18:59,164 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-28 20:18:59,168 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 20:18:59,396 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:18:59,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:18:59,399 INFO L168 Benchmark]: Toolchain (without parser) took 2881.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 963.1 MB in the beginning and 961.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 152.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:18:59,399 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-28 20:18:59,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 728.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:18:59,400 INFO L168 Benchmark]: Boogie Preprocessor took 109.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:18:59,400 INFO L168 Benchmark]: RCFGBuilder took 1607.61 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: 117.7 MB). Peak memory consumption was 117.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:18:59,401 INFO L168 Benchmark]: TraceAbstraction took 128.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 994.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:18:59,401 INFO L168 Benchmark]: Witness Printer took 301.69 ms. Allocated memory is still 1.2 GB. Free memory was 994.1 MB in the beginning and 961.0 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:18:59,403 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 728.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 963.1 MB in the beginning and 1.1 GB in the end (delta: -161.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1607.61 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: 117.7 MB). Peak memory consumption was 117.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 128.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 994.1 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Witness Printer took 301.69 ms. Allocated memory is still 1.2 GB. Free memory was 994.1 MB in the beginning and 961.0 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 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, 392 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=389occurred 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...