./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ntdrivers-simplified/floppy_simpl3_true-unreach-call_true-valid-memsafety_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0ed9222f Calling Ultimate with: 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 /storage/repos/svcomp/c/ntdrivers-simplified/floppy_simpl3_true-unreach-call_true-valid-memsafety_true-termination.cil.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 c23505adeafc05501dae695d01ba5b7f16426196 .................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 20:48:07,666 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 20:48:07,669 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 20:48:07,682 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 20:48:07,683 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 20:48:07,684 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 20:48:07,685 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 20:48:07,687 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 20:48:07,692 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 20:48:07,695 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 20:48:07,696 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 20:48:07,697 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 20:48:07,700 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 20:48:07,701 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 20:48:07,702 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 20:48:07,703 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 20:48:07,703 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 20:48:07,707 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 20:48:07,713 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 20:48:07,715 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 20:48:07,719 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 20:48:07,720 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 20:48:07,722 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 20:48:07,722 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 20:48:07,722 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 20:48:07,723 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 20:48:07,724 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 20:48:07,725 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 20:48:07,725 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 20:48:07,726 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 20:48:07,726 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 20:48:07,727 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 20:48:07,727 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 20:48:07,727 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 20:48:07,728 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 20:48:07,729 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 20:48:07,729 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-14 20:48:07,744 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 20:48:07,744 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 20:48:07,745 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 20:48:07,745 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 20:48:07,745 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 20:48:07,746 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 20:48:07,746 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 20:48:07,746 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 20:48:07,746 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 20:48:07,746 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 20:48:07,747 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 20:48:07,747 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 20:48:07,747 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 20:48:07,747 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-14 20:48:07,747 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 20:48:07,747 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 20:48:07,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 20:48:07,748 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 20:48:07,748 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 20:48:07,748 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 20:48:07,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 20:48:07,748 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 20:48:07,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 20:48:07,749 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 20:48:07,749 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 20:48:07,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> c23505adeafc05501dae695d01ba5b7f16426196 [2019-01-14 20:48:07,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 20:48:07,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 20:48:07,825 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 20:48:07,827 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 20:48:07,827 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 20:48:07,828 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ntdrivers-simplified/floppy_simpl3_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2019-01-14 20:48:07,889 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04a56510e/7a6571833d83417baa27afaf0cf53e40/FLAGfb19baaa8 [2019-01-14 20:48:08,377 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 20:48:08,378 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ntdrivers-simplified/floppy_simpl3_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2019-01-14 20:48:08,399 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04a56510e/7a6571833d83417baa27afaf0cf53e40/FLAGfb19baaa8 [2019-01-14 20:48:08,675 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04a56510e/7a6571833d83417baa27afaf0cf53e40 [2019-01-14 20:48:08,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 20:48:08,681 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 20:48:08,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 20:48:08,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 20:48:08,687 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 20:48:08,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 08:48:08" (1/1) ... [2019-01-14 20:48:08,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b608b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:08, skipping insertion in model container [2019-01-14 20:48:08,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 08:48:08" (1/1) ... [2019-01-14 20:48:08,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 20:48:08,775 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 20:48:09,183 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 20:48:09,194 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 20:48:09,349 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 20:48:09,466 INFO L195 MainTranslator]: Completed translation [2019-01-14 20:48:09,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:09 WrapperNode [2019-01-14 20:48:09,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 20:48:09,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 20:48:09,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 20:48:09,467 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 20:48:09,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:09" (1/1) ... [2019-01-14 20:48:09,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:09" (1/1) ... [2019-01-14 20:48:09,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:09" (1/1) ... [2019-01-14 20:48:09,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:09" (1/1) ... [2019-01-14 20:48:09,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:09" (1/1) ... [2019-01-14 20:48:09,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:09" (1/1) ... [2019-01-14 20:48:09,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:09" (1/1) ... [2019-01-14 20:48:09,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 20:48:09,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 20:48:09,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 20:48:09,575 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 20:48:09,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:09" (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 [2019-01-14 20:48:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 20:48:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 20:48:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-01-14 20:48:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-01-14 20:48:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-01-14 20:48:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-01-14 20:48:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-01-14 20:48:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-01-14 20:48:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-01-14 20:48:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-01-14 20:48:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-01-14 20:48:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-01-14 20:48:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 20:48:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-01-14 20:48:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-01-14 20:48:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-01-14 20:48:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-01-14 20:48:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-01-14 20:48:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-01-14 20:48:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-01-14 20:48:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-01-14 20:48:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-01-14 20:48:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-01-14 20:48:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-01-14 20:48:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-01-14 20:48:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-01-14 20:48:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2019-01-14 20:48:09,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-01-14 20:48:09,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-01-14 20:48:09,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-14 20:48:09,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-01-14 20:48:09,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-14 20:48:09,655 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-01-14 20:48:09,655 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-01-14 20:48:09,655 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-01-14 20:48:09,655 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-01-14 20:48:09,656 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-01-14 20:48:09,656 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-01-14 20:48:09,656 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-01-14 20:48:09,656 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-01-14 20:48:09,656 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-01-14 20:48:09,656 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-01-14 20:48:09,656 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-01-14 20:48:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-01-14 20:48:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-01-14 20:48:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-01-14 20:48:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-01-14 20:48:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-01-14 20:48:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-01-14 20:48:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-01-14 20:48:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-01-14 20:48:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-01-14 20:48:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-01-14 20:48:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-01-14 20:48:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 20:48:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-01-14 20:48:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2019-01-14 20:48:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 20:48:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 20:48:09,890 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:10,012 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-01-14 20:48:10,012 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-01-14 20:48:10,037 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:10,096 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-01-14 20:48:10,097 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-01-14 20:48:10,127 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:10,667 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-01-14 20:48:10,668 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-01-14 20:48:10,670 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:10,816 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-01-14 20:48:10,817 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-01-14 20:48:10,900 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:10,938 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-01-14 20:48:10,938 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-01-14 20:48:11,069 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:11,099 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-01-14 20:48:11,099 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-01-14 20:48:11,099 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:11,117 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-01-14 20:48:11,117 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-01-14 20:48:11,118 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:11,228 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-01-14 20:48:11,228 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-01-14 20:48:11,452 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:11,506 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-01-14 20:48:11,506 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-01-14 20:48:11,649 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:11,658 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-01-14 20:48:11,658 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-01-14 20:48:11,659 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:11,717 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-01-14 20:48:11,717 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-01-14 20:48:11,718 WARN L745 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-14 20:48:11,723 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-01-14 20:48:11,724 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-01-14 20:48:11,741 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 20:48:11,744 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-14 20:48:11,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 08:48:11 BoogieIcfgContainer [2019-01-14 20:48:11,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 20:48:11,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 20:48:11,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 20:48:11,752 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 20:48:11,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 08:48:08" (1/3) ... [2019-01-14 20:48:11,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0b9bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 08:48:11, skipping insertion in model container [2019-01-14 20:48:11,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 08:48:09" (2/3) ... [2019-01-14 20:48:11,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0b9bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 08:48:11, skipping insertion in model container [2019-01-14 20:48:11,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 08:48:11" (3/3) ... [2019-01-14 20:48:11,758 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl3_true-unreach-call_true-valid-memsafety_true-termination.cil.c [2019-01-14 20:48:11,768 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 20:48:11,777 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-01-14 20:48:11,795 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-01-14 20:48:11,822 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 20:48:11,823 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 20:48:11,823 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 20:48:11,823 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 20:48:11,823 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 20:48:11,824 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 20:48:11,824 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 20:48:11,824 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 20:48:11,824 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 20:48:11,850 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2019-01-14 20:48:11,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 20:48:11,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 08:48:11 BoogieIcfgContainer [2019-01-14 20:48:11,889 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 20:48:11,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 20:48:11,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 20:48:11,889 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 20:48:11,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 08:48:11" (3/4) ... [2019-01-14 20:48:11,896 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 20:48:11,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2019-01-14 20:48:11,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2019-01-14 20:48:11,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyProcessQueuedRequests [2019-01-14 20:48:11,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2019-01-14 20:48:11,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2019-01-14 20:48:11,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-01-14 20:48:11,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyCreateClose [2019-01-14 20:48:11,910 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2019-01-14 20:48:11,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2019-01-14 20:48:11,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2019-01-14 20:48:11,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2019-01-14 20:48:11,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2019-01-14 20:48:11,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2019-01-14 20:48:11,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2019-01-14 20:48:11,911 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2019-01-14 20:48:11,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2019-01-14 20:48:11,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2019-01-14 20:48:11,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2019-01-14 20:48:11,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2019-01-14 20:48:11,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2019-01-14 20:48:11,916 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-01-14 20:48:11,917 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2019-01-14 20:48:11,918 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2019-01-14 20:48:11,920 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2019-01-14 20:48:11,920 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2019-01-14 20:48:11,920 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2019-01-14 20:48:11,949 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2019-01-14 20:48:11,952 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2019-01-14 20:48:11,954 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-01-14 20:48:11,956 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-14 20:48:12,202 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 20:48:12,203 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 20:48:12,207 INFO L168 Benchmark]: Toolchain (without parser) took 3527.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 952.7 MB in the beginning and 992.1 MB in the end (delta: -39.4 MB). Peak memory consumption was 88.5 MB. Max. memory is 11.5 GB. [2019-01-14 20:48:12,209 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 20:48:12,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. [2019-01-14 20:48:12,209 INFO L168 Benchmark]: Boogie Preprocessor took 107.01 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-14 20:48:12,210 INFO L168 Benchmark]: RCFGBuilder took 2172.38 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: 87.6 MB). Peak memory consumption was 87.6 MB. Max. memory is 11.5 GB. [2019-01-14 20:48:12,210 INFO L168 Benchmark]: TraceAbstraction took 140.64 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-14 20:48:12,210 INFO L168 Benchmark]: Witness Printer took 316.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 992.1 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-01-14 20:48:12,212 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 784.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 107.01 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2172.38 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: 87.6 MB). Peak memory consumption was 87.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 140.64 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Witness Printer took 316.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 992.1 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 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. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...