./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 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_simpl3.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 7ccaa093bf8ff79a61d120955ada15d034501ead ...................................................................................................................................................................................................................................................................................................................... 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 20:18:54,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:18:54,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:18:54,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:18:54,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:18:54,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:18:54,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:18:54,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:18:54,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:18:54,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:18:54,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:18:54,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:18:54,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:18:54,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:18:54,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:18:54,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:18:54,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:18:54,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:18:54,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:18:54,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:18:54,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:18:54,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:18:54,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:18:54,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:18:54,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:18:54,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:18:54,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:18:54,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:18:54,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:18:54,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:18:54,767 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:18:54,768 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:18:54,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:18:54,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:18:54,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:18:54,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:18:54,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:18:54,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:18:54,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:18:54,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:18:54,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:18:54,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-28 20:18:54,792 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:18:54,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:18:54,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:18:54,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:18:54,795 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:18:54,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:18:54,795 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:18:54,796 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:18:54,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:18:54,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:18:54,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:18:54,797 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-28 20:18:54,797 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-28 20:18:54,798 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-28 20:18:54,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:18:54,798 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-28 20:18:54,799 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:18:54,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:18:54,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:18:54,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:18:54,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:18:54,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:18:54,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:18:54,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:18:54,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:18:54,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:18:54,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:18:54,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:18:54,803 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 -> 7ccaa093bf8ff79a61d120955ada15d034501ead [2019-11-28 20:18:55,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:18:55,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:18:55,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:18:55,139 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:18:55,140 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:18:55,141 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-11-28 20:18:55,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96de048aa/e4af3cdfef774b1b8a4348a27a596910/FLAG623d5b953 [2019-11-28 20:18:55,831 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:18:55,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-11-28 20:18:55,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96de048aa/e4af3cdfef774b1b8a4348a27a596910/FLAG623d5b953 [2019-11-28 20:18:56,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96de048aa/e4af3cdfef774b1b8a4348a27a596910 [2019-11-28 20:18:56,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:18:56,064 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-28 20:18:56,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:18:56,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:18:56,069 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:18:56,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:18:56" (1/1) ... [2019-11-28 20:18:56,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f30041 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 20:18:56,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:18:56" (1/1) ... [2019-11-28 20:18:56,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:18:56,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:18:56,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:18:56,557 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:18:56,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:18:56,673 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:18:56,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:56 WrapperNode [2019-11-28 20:18:56,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:18:56,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:18:56,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:18:56,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:18:56,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:56" (1/1) ... [2019-11-28 20:18:56,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:56" (1/1) ... [2019-11-28 20:18:56,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:56" (1/1) ... [2019-11-28 20:18:56,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:56" (1/1) ... [2019-11-28 20:18:56,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:56" (1/1) ... [2019-11-28 20:18:56,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:56" (1/1) ... [2019-11-28 20:18:56,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:56" (1/1) ... [2019-11-28 20:18:56,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:18:56,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:18:56,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:18:56,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:18:56,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:56" (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 20:18:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-28 20:18:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:18:56,829 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-11-28 20:18:56,830 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-11-28 20:18:56,830 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-11-28 20:18:56,831 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-11-28 20:18:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-11-28 20:18:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-11-28 20:18:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-11-28 20:18:56,832 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-11-28 20:18:56,833 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-11-28 20:18:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-11-28 20:18:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-28 20:18:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-11-28 20:18:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-11-28 20:18:56,834 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-11-28 20:18:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-11-28 20:18:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-11-28 20:18:56,837 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-11-28 20:18:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-11-28 20:18:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-11-28 20:18:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-11-28 20:18:56,838 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-11-28 20:18:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-11-28 20:18:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-11-28 20:18:56,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-11-28 20:18:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-28 20:18:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-28 20:18:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-28 20:18:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-28 20:18:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-11-28 20:18:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-11-28 20:18:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-11-28 20:18:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-11-28 20:18:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-11-28 20:18:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-11-28 20:18:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-11-28 20:18:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-11-28 20:18:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-11-28 20:18:56,842 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-11-28 20:18:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-11-28 20:18:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-11-28 20:18:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-11-28 20:18:56,843 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-11-28 20:18:56,845 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-11-28 20:18:56,845 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-11-28 20:18:56,845 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-11-28 20:18:56,846 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-11-28 20:18:56,846 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-11-28 20:18:56,846 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-11-28 20:18:56,846 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-11-28 20:18:56,846 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-11-28 20:18:56,847 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-28 20:18:56,847 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-11-28 20:18:56,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-28 20:18:56,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:18:57,192 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:57,260 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-28 20:18:57,260 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-28 20:18:57,269 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:57,288 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-28 20:18:57,288 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-28 20:18:57,295 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:57,595 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-11-28 20:18:57,595 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-11-28 20:18:57,598 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:57,704 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-11-28 20:18:57,704 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-11-28 20:18:57,716 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:57,771 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-11-28 20:18:57,771 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-11-28 20:18:57,865 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:57,879 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-28 20:18:57,879 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-28 20:18:57,879 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:57,891 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-28 20:18:57,892 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-28 20:18:57,892 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:57,904 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-28 20:18:57,904 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-28 20:18:57,960 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:58,008 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-11-28 20:18:58,009 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-11-28 20:18:58,049 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:58,059 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-28 20:18:58,059 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-28 20:18:58,060 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:58,077 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-28 20:18:58,077 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-28 20:18:58,077 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-28 20:18:58,086 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-28 20:18:58,087 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-28 20:18:58,104 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:18:58,104 INFO L287 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-28 20:18:58,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:18:58 BoogieIcfgContainer [2019-11-28 20:18:58,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:18:58,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:18:58,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:18:58,111 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:18:58,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:18:56" (1/3) ... [2019-11-28 20:18:58,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49bccee3 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 20:18:58,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:18:56" (2/3) ... [2019-11-28 20:18:58,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49bccee3 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 20:18:58,113 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 20:18:58,115 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-1.c [2019-11-28 20:18:58,126 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:18:58,136 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-28 20:18:58,150 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-28 20:18:58,183 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:18:58,183 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-28 20:18:58,184 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:18:58,184 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:18:58,184 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:18:58,184 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:18:58,184 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:18:58,185 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:18:58,224 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states. [2019-11-28 20:18:58,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 20:18:58,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:18:58 BoogieIcfgContainer [2019-11-28 20:18:58,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:18:58,275 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:18:58,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:18:58,276 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:18:58,276 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 20:18:58,281 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 20:18:58,292 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2019-11-28 20:18:58,293 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2019-11-28 20:18:58,293 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyProcessQueuedRequests [2019-11-28 20:18:58,293 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2019-11-28 20:18:58,293 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2019-11-28 20:18:58,293 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-28 20:18:58,294 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2019-11-28 20:18:58,294 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2019-11-28 20:18:58,294 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2019-11-28 20:18:58,294 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2019-11-28 20:18:58,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2019-11-28 20:18:58,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2019-11-28 20:18:58,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2019-11-28 20:18:58,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2019-11-28 20:18:58,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2019-11-28 20:18:58,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2019-11-28 20:18:58,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2019-11-28 20:18:58,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2019-11-28 20:18:58,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2019-11-28 20:18:58,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-28 20:18:58,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2019-11-28 20:18:58,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2019-11-28 20:18:58,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2019-11-28 20:18:58,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2019-11-28 20:18:58,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2019-11-28 20:18:58,317 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2019-11-28 20:18:58,320 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2019-11-28 20:18:58,322 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-28 20:18:58,323 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 20:18:58,565 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:18:58,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:18:58,568 INFO L168 Benchmark]: Toolchain (without parser) took 2503.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 956.3 MB in the beginning and 983.7 MB in the end (delta: -27.3 MB). Peak memory consumption was 99.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:18:58,568 INFO L168 Benchmark]: CDTParser took 0.16 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 20:18:58,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:18:58,569 INFO L168 Benchmark]: Boogie Preprocessor took 87.43 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-28 20:18:58,569 INFO L168 Benchmark]: RCFGBuilder took 1343.86 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: 84.7 MB). Peak memory consumption was 84.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:18:58,570 INFO L168 Benchmark]: TraceAbstraction took 167.61 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:18:58,570 INFO L168 Benchmark]: Witness Printer took 289.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 983.7 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:18:58,572 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 609.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 87.43 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1343.86 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: 84.7 MB). Peak memory consumption was 84.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 167.61 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 289.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 983.7 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 304 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=301occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...