./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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-2.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 9b1a240fd075ce2cb4ef354f75e9bf02a7f7ab6f ........................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:16:31,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:16:31,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:16:31,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:16:31,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:16:31,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:16:31,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:16:31,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:16:31,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:16:31,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:16:31,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:16:31,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:16:31,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:16:31,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:16:31,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:16:31,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:16:31,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:16:31,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:16:31,585 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:16:31,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:16:31,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:16:31,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:16:31,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:16:31,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:16:31,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:16:31,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:16:31,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:16:31,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:16:31,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:16:31,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:16:31,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:16:31,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:16:31,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:16:31,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:16:31,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:16:31,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:16:31,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:16:31,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:16:31,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:16:31,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:16:31,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:16:31,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2020-07-29 01:16:31,631 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:16:31,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:16:31,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:16:31,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:16:31,633 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:16:31,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:16:31,634 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:16:31,634 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:16:31,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:16:31,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:16:31,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:16:31,635 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-07-29 01:16:31,635 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-07-29 01:16:31,635 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-07-29 01:16:31,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:16:31,636 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-07-29 01:16:31,636 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:16:31,636 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:16:31,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:16:31,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:16:31,637 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:16:31,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:16:31,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:16:31,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:16:31,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:16:31,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:16:31,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-29 01:16:31,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:16:31,639 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 -> 9b1a240fd075ce2cb4ef354f75e9bf02a7f7ab6f [2020-07-29 01:16:31,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:16:31,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:16:31,955 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:16:31,957 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:16:31,957 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:16:31,958 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2020-07-29 01:16:32,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba66f8000/1a2261b8025b41c8b2933ef758d617c5/FLAGf7629f940 [2020-07-29 01:16:32,498 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:16:32,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2020-07-29 01:16:32,516 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba66f8000/1a2261b8025b41c8b2933ef758d617c5/FLAGf7629f940 [2020-07-29 01:16:32,813 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba66f8000/1a2261b8025b41c8b2933ef758d617c5 [2020-07-29 01:16:32,817 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:16:32,821 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-07-29 01:16:32,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:16:32,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:16:32,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:16:32,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:16:32" (1/1) ... [2020-07-29 01:16:32,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ffb985d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:32, skipping insertion in model container [2020-07-29 01:16:32,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:16:32" (1/1) ... [2020-07-29 01:16:32,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:16:32,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:16:33,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:16:33,213 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:16:33,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:16:33,460 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:16:33,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:33 WrapperNode [2020-07-29 01:16:33,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:16:33,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:16:33,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:16:33,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:16:33,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:33" (1/1) ... [2020-07-29 01:16:33,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:33" (1/1) ... [2020-07-29 01:16:33,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:33" (1/1) ... [2020-07-29 01:16:33,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:33" (1/1) ... [2020-07-29 01:16:33,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:33" (1/1) ... [2020-07-29 01:16:33,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:33" (1/1) ... [2020-07-29 01:16:33,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:33" (1/1) ... [2020-07-29 01:16:33,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:16:33,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:16:33,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:16:33,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:16:33,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:33" (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 [2020-07-29 01:16:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-29 01:16:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:16:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-07-29 01:16:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-07-29 01:16:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2020-07-29 01:16:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2020-07-29 01:16:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2020-07-29 01:16:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2020-07-29 01:16:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2020-07-29 01:16:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2020-07-29 01:16:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2020-07-29 01:16:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-07-29 01:16:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-29 01:16:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2020-07-29 01:16:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2020-07-29 01:16:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2020-07-29 01:16:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2020-07-29 01:16:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2020-07-29 01:16:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-07-29 01:16:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-07-29 01:16:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-07-29 01:16:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-07-29 01:16:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-07-29 01:16:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2020-07-29 01:16:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2020-07-29 01:16:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2020-07-29 01:16:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2020-07-29 01:16:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-29 01:16:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-29 01:16:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-29 01:16:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-29 01:16:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2020-07-29 01:16:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2020-07-29 01:16:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2020-07-29 01:16:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2020-07-29 01:16:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2020-07-29 01:16:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2020-07-29 01:16:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2020-07-29 01:16:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2020-07-29 01:16:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2020-07-29 01:16:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2020-07-29 01:16:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2020-07-29 01:16:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-07-29 01:16:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-07-29 01:16:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-07-29 01:16:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2020-07-29 01:16:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2020-07-29 01:16:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2020-07-29 01:16:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-07-29 01:16:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-07-29 01:16:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-07-29 01:16:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2020-07-29 01:16:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-07-29 01:16:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-29 01:16:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-07-29 01:16:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2020-07-29 01:16:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-29 01:16:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:16:33,891 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:34,006 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-07-29 01:16:34,006 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-07-29 01:16:34,025 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:34,056 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-07-29 01:16:34,057 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-07-29 01:16:34,065 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:34,469 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2020-07-29 01:16:34,469 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2020-07-29 01:16:34,472 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:34,589 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2020-07-29 01:16:34,589 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2020-07-29 01:16:34,613 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:34,644 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-07-29 01:16:34,644 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-07-29 01:16:34,820 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:34,839 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-07-29 01:16:34,839 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-07-29 01:16:34,840 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:34,854 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-07-29 01:16:34,854 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-07-29 01:16:34,855 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:34,873 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-07-29 01:16:34,873 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-07-29 01:16:34,949 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:35,002 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-07-29 01:16:35,002 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-07-29 01:16:35,052 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:35,064 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-07-29 01:16:35,064 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-07-29 01:16:35,065 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:35,084 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-07-29 01:16:35,084 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-07-29 01:16:35,085 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-29 01:16:35,095 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2020-07-29 01:16:35,096 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2020-07-29 01:16:35,191 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:16:35,192 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-29 01:16:35,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:16:35 BoogieIcfgContainer [2020-07-29 01:16:35,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:16:35,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-29 01:16:35,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-29 01:16:35,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-29 01:16:35,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.07 01:16:32" (1/3) ... [2020-07-29 01:16:35,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d70f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:16:35, skipping insertion in model container [2020-07-29 01:16:35,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:16:33" (2/3) ... [2020-07-29 01:16:35,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d70f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:16:35, skipping insertion in model container [2020-07-29 01:16:35,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:16:35" (3/3) ... [2020-07-29 01:16:35,210 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-2.c [2020-07-29 01:16:35,221 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-29 01:16:35,230 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-29 01:16:35,246 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-29 01:16:35,270 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-29 01:16:35,271 INFO L376 AbstractCegarLoop]: Hoare is false [2020-07-29 01:16:35,271 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-29 01:16:35,271 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:16:35,272 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:16:35,272 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-29 01:16:35,272 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:16:35,273 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-29 01:16:35,296 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2020-07-29 01:16:35,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:16:35,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.07 01:16:35 BoogieIcfgContainer [2020-07-29 01:16:35,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-29 01:16:35,326 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:16:35,327 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:16:35,327 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:16:35,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:16:35" (3/4) ... [2020-07-29 01:16:35,332 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-29 01:16:35,340 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2020-07-29 01:16:35,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2020-07-29 01:16:35,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyProcessQueuedRequests [2020-07-29 01:16:35,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2020-07-29 01:16:35,341 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2020-07-29 01:16:35,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2020-07-29 01:16:35,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyCreateClose [2020-07-29 01:16:35,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2020-07-29 01:16:35,342 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2020-07-29 01:16:35,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2020-07-29 01:16:35,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2020-07-29 01:16:35,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2020-07-29 01:16:35,343 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2020-07-29 01:16:35,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2020-07-29 01:16:35,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2020-07-29 01:16:35,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2020-07-29 01:16:35,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2020-07-29 01:16:35,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2020-07-29 01:16:35,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2020-07-29 01:16:35,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2020-07-29 01:16:35,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2020-07-29 01:16:35,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2020-07-29 01:16:35,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2020-07-29 01:16:35,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2020-07-29 01:16:35,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2020-07-29 01:16:35,347 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2020-07-29 01:16:35,366 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2020-07-29 01:16:35,368 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2020-07-29 01:16:35,370 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-07-29 01:16:35,372 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-29 01:16:35,573 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 01:16:35,573 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:16:35,576 INFO L168 Benchmark]: Toolchain (without parser) took 2757.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 952.2 MB in the beginning and 914.4 MB in the end (delta: 37.7 MB). Peak memory consumption was 187.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:16:35,577 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:16:35,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:16:35,578 INFO L168 Benchmark]: Boogie Preprocessor took 129.31 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. [2020-07-29 01:16:35,578 INFO L168 Benchmark]: RCFGBuilder took 1607.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.5 MB in the end (delta: 177.5 MB). Peak memory consumption was 177.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:16:35,578 INFO L168 Benchmark]: TraceAbstraction took 124.99 ms. Allocated memory is still 1.2 GB. Free memory was 947.5 MB in the beginning and 940.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:16:35,579 INFO L168 Benchmark]: Witness Printer took 246.85 ms. Allocated memory is still 1.2 GB. Free memory was 940.9 MB in the beginning and 914.4 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2020-07-29 01:16:35,581 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 639.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 129.31 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 1607.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 947.5 MB in the end (delta: 177.5 MB). Peak memory consumption was 177.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 124.99 ms. Allocated memory is still 1.2 GB. Free memory was 947.5 MB in the beginning and 940.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Witness Printer took 246.85 ms. Allocated memory is still 1.2 GB. Free memory was 940.9 MB in the beginning and 914.4 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 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. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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...