./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 678e0110 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c44191b3-ce71-4acf-a7ed-799bbc564d22/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c44191b3-ce71-4acf-a7ed-799bbc564d22/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c44191b3-ce71-4acf-a7ed-799bbc564d22/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c44191b3-ce71-4acf-a7ed-799bbc564d22/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c44191b3-ce71-4acf-a7ed-799bbc564d22/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c44191b3-ce71-4acf-a7ed-799bbc564d22/bin/uautomizer --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 8ad17193196daf327eee34f8d3cbf6704a80a533 ..................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 11:15:52,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:15:52,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:15:52,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:15:52,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:15:52,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:15:52,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:15:52,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:15:52,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:15:52,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:15:52,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:15:52,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:15:52,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:15:52,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:15:52,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:15:52,893 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:15:52,894 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:15:52,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:15:52,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:15:52,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:15:52,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:15:52,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:15:52,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:15:52,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:15:52,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:15:52,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:15:52,915 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:15:52,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:15:52,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:15:52,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:15:52,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:15:52,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:15:52,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:15:52,920 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:15:52,921 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:15:52,921 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:15:52,922 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:15:52,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:15:52,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:15:52,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:15:52,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:15:52,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c44191b3-ce71-4acf-a7ed-799bbc564d22/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 11:15:52,949 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:15:52,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:15:52,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:15:52,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:15:52,960 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 11:15:52,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:15:52,961 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:15:52,961 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 11:15:52,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 11:15:52,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:15:52,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:15:52,962 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 11:15:52,962 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 11:15:52,962 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 11:15:52,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:15:52,963 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 11:15:52,963 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 11:15:52,964 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:15:52,964 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:15:52,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:15:52,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 11:15:52,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:15:52,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 11:15:52,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 11:15:52,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:15:52,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:15:52,966 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 11:15:52,966 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 11:15:52,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 11:15:52,967 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c44191b3-ce71-4acf-a7ed-799bbc564d22/bin/uautomizer 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 -> 8ad17193196daf327eee34f8d3cbf6704a80a533 [2019-11-20 11:15:53,139 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:15:53,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:15:53,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:15:53,152 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:15:53,153 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:15:53,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c44191b3-ce71-4acf-a7ed-799bbc564d22/bin/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-20 11:15:53,206 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c44191b3-ce71-4acf-a7ed-799bbc564d22/bin/uautomizer/data/010243fef/ffdbbfbc19044143b2ad85df1b222135/FLAGdd2f3ed3d [2019-11-20 11:15:53,682 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:15:53,682 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c44191b3-ce71-4acf-a7ed-799bbc564d22/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-2.c [2019-11-20 11:15:53,706 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c44191b3-ce71-4acf-a7ed-799bbc564d22/bin/uautomizer/data/010243fef/ffdbbfbc19044143b2ad85df1b222135/FLAGdd2f3ed3d [2019-11-20 11:15:53,718 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c44191b3-ce71-4acf-a7ed-799bbc564d22/bin/uautomizer/data/010243fef/ffdbbfbc19044143b2ad85df1b222135 [2019-11-20 11:15:53,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:15:53,722 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-20 11:15:53,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:15:53,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:15:53,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:15:53,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:15:53" (1/1) ... [2019-11-20 11:15:53,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42da556a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:53, skipping insertion in model container [2019-11-20 11:15:53,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:15:53" (1/1) ... [2019-11-20 11:15:53,737 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:15:53,799 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:15:54,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:15:54,198 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:15:54,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:15:54,320 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:15:54,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:54 WrapperNode [2019-11-20 11:15:54,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:15:54,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:15:54,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:15:54,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:15:54,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:54" (1/1) ... [2019-11-20 11:15:54,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:54" (1/1) ... [2019-11-20 11:15:54,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:54" (1/1) ... [2019-11-20 11:15:54,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:54" (1/1) ... [2019-11-20 11:15:54,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:54" (1/1) ... [2019-11-20 11:15:54,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:54" (1/1) ... [2019-11-20 11:15:54,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:54" (1/1) ... [2019-11-20 11:15:54,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:15:54,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:15:54,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:15:54,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:15:54,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c44191b3-ce71-4acf-a7ed-799bbc564d22/bin/uautomizer/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 [2019-11-20 11:15:54,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-20 11:15:54,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:15:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-11-20 11:15:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-11-20 11:15:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-11-20 11:15:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-11-20 11:15:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-11-20 11:15:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-11-20 11:15:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-11-20 11:15:54,497 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-11-20 11:15:54,497 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-11-20 11:15:54,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-20 11:15:54,497 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-11-20 11:15:54,497 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-11-20 11:15:54,497 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-11-20 11:15:54,497 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-11-20 11:15:54,498 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-11-20 11:15:54,498 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-11-20 11:15:54,498 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-11-20 11:15:54,498 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-11-20 11:15:54,498 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-11-20 11:15:54,498 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-11-20 11:15:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-11-20 11:15:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-11-20 11:15:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-11-20 11:15:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2019-11-20 11:15:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2019-11-20 11:15:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2019-11-20 11:15:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2019-11-20 11:15:54,499 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-11-20 11:15:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-20 11:15:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-20 11:15:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-20 11:15:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-20 11:15:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-11-20 11:15:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-11-20 11:15:54,500 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-11-20 11:15:54,501 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-11-20 11:15:54,501 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-11-20 11:15:54,501 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-11-20 11:15:54,501 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-11-20 11:15:54,501 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-11-20 11:15:54,501 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-11-20 11:15:54,501 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-11-20 11:15:54,501 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-11-20 11:15:54,502 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-11-20 11:15:54,502 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-11-20 11:15:54,502 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-11-20 11:15:54,502 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-11-20 11:15:54,502 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-11-20 11:15:54,502 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-11-20 11:15:54,502 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2019-11-20 11:15:54,502 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2019-11-20 11:15:54,503 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2019-11-20 11:15:54,503 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2019-11-20 11:15:54,503 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-11-20 11:15:54,503 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-11-20 11:15:54,503 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-11-20 11:15:54,503 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-11-20 11:15:54,503 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-11-20 11:15:54,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-20 11:15:54,504 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-11-20 11:15:54,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-20 11:15:54,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:15:55,000 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 11:15:55,074 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-20 11:15:55,074 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-20 11:15:55,087 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 11:15:55,101 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-20 11:15:55,101 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-20 11:15:55,113 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 11:15:55,411 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-11-20 11:15:55,411 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-11-20 11:15:55,413 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 11:15:55,513 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2019-11-20 11:15:55,513 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2019-11-20 11:15:55,533 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 11:15:55,553 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-11-20 11:15:55,553 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-11-20 11:15:55,648 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 11:15:55,664 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-20 11:15:55,664 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-20 11:15:55,665 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 11:15:55,673 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-20 11:15:55,674 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-20 11:15:55,674 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 11:15:55,685 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-20 11:15:55,685 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-20 11:15:55,840 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 11:15:55,887 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-11-20 11:15:55,887 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-11-20 11:15:55,889 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 11:15:56,082 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2019-11-20 11:15:56,082 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2019-11-20 11:15:56,144 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 11:15:56,150 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-20 11:15:56,150 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-20 11:15:56,150 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 11:15:56,163 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-20 11:15:56,163 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-20 11:15:56,164 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 11:15:56,169 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-20 11:15:56,169 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-20 11:15:56,179 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:15:56,179 INFO L285 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-20 11:15:56,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:15:56 BoogieIcfgContainer [2019-11-20 11:15:56,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:15:56,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 11:15:56,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 11:15:56,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 11:15:56,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:15:53" (1/3) ... [2019-11-20 11:15:56,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5f17b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:15:56, skipping insertion in model container [2019-11-20 11:15:56,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:15:54" (2/3) ... [2019-11-20 11:15:56,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5f17b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:15:56, skipping insertion in model container [2019-11-20 11:15:56,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:15:56" (3/3) ... [2019-11-20 11:15:56,187 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl4.cil-2.c [2019-11-20 11:15:56,195 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 11:15:56,202 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-20 11:15:56,212 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-20 11:15:56,230 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 11:15:56,230 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-20 11:15:56,230 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 11:15:56,230 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 11:15:56,230 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 11:15:56,231 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 11:15:56,231 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 11:15:56,231 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 11:15:56,258 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states. [2019-11-20 11:15:56,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 11:15:56,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:15:56 BoogieIcfgContainer [2019-11-20 11:15:56,285 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 11:15:56,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 11:15:56,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 11:15:56,285 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 11:15:56,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:15:56" (3/4) ... [2019-11-20 11:15:56,289 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 11:15:56,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2019-11-20 11:15:56,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2019-11-20 11:15:56,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyProcessQueuedRequests [2019-11-20 11:15:56,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2019-11-20 11:15:56,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2019-11-20 11:15:56,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-20 11:15:56,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyCreateClose [2019-11-20 11:15:56,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2019-11-20 11:15:56,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2019-11-20 11:15:56,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2019-11-20 11:15:56,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2019-11-20 11:15:56,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2019-11-20 11:15:56,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2019-11-20 11:15:56,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2019-11-20 11:15:56,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2019-11-20 11:15:56,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2019-11-20 11:15:56,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2019-11-20 11:15:56,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2019-11-20 11:15:56,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2019-11-20 11:15:56,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2019-11-20 11:15:56,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyDeviceControl [2019-11-20 11:15:56,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlCheckFormatParameters [2019-11-20 11:15:56,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-20 11:15:56,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyQueueRequest [2019-11-20 11:15:56,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2019-11-20 11:15:56,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2019-11-20 11:15:56,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2019-11-20 11:15:56,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2019-11-20 11:15:56,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2019-11-20 11:15:56,322 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges [2019-11-20 11:15:56,324 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2019-11-20 11:15:56,326 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 11:15:56,328 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 11:15:56,552 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c44191b3-ce71-4acf-a7ed-799bbc564d22/bin/uautomizer/witness.graphml [2019-11-20 11:15:56,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 11:15:56,555 INFO L168 Benchmark]: Toolchain (without parser) took 2832.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 946.1 MB in the beginning and 922.2 MB in the end (delta: 23.8 MB). Peak memory consumption was 143.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:15:56,555 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:15:56,556 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-20 11:15:56,556 INFO L168 Benchmark]: Boogie Preprocessor took 104.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-20 11:15:56,556 INFO L168 Benchmark]: RCFGBuilder took 1754.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 964.6 MB in the end (delta: 115.3 MB). Peak memory consumption was 115.3 MB. Max. memory is 11.5 GB. [2019-11-20 11:15:56,558 INFO L168 Benchmark]: TraceAbstraction took 103.65 ms. Allocated memory is still 1.1 GB. Free memory was 964.6 MB in the beginning and 957.5 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-20 11:15:56,558 INFO L168 Benchmark]: Witness Printer took 267.58 ms. Allocated memory is still 1.1 GB. Free memory was 957.5 MB in the beginning and 922.2 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. [2019-11-20 11:15:56,560 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 598.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -140.9 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 104.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1754.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 964.6 MB in the end (delta: 115.3 MB). Peak memory consumption was 115.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 103.65 ms. Allocated memory is still 1.1 GB. Free memory was 964.6 MB in the beginning and 957.5 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Witness Printer took 267.58 ms. Allocated memory is still 1.1 GB. Free memory was 957.5 MB in the beginning and 922.2 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 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 30 procedures, 391 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=388occurred 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...