./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d473dd6a-1836-4d17-96f2-37e830fe4430/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d473dd6a-1836-4d17-96f2-37e830fe4430/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d473dd6a-1836-4d17-96f2-37e830fe4430/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d473dd6a-1836-4d17-96f2-37e830fe4430/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d473dd6a-1836-4d17-96f2-37e830fe4430/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d473dd6a-1836-4d17-96f2-37e830fe4430/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 c23505adeafc05501dae695d01ba5b7f16426196 ....................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:55:20,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:55:20,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:55:20,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:55:20,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:55:20,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:55:20,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:55:20,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:55:20,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:55:20,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:55:20,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:55:20,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:55:20,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:55:20,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:55:20,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:55:20,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:55:20,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:55:20,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:55:20,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:55:20,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:55:20,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:55:20,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:55:20,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:55:20,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:55:20,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:55:20,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:55:20,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:55:20,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:55:20,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:55:20,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:55:20,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:55:20,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:55:20,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:55:20,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:55:20,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:55:20,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:55:20,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:55:20,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:55:20,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:55:20,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:55:20,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:55:20,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d473dd6a-1836-4d17-96f2-37e830fe4430/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-10-22 08:55:20,337 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:55:20,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:55:20,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:55:20,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:55:20,348 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:55:20,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:55:20,348 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:55:20,348 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:55:20,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:55:20,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:55:20,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:55:20,349 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 08:55:20,349 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 08:55:20,349 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 08:55:20,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:55:20,350 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:55:20,350 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:55:20,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:55:20,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:55:20,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:55:20,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:55:20,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:55:20,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:55:20,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:55:20,351 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:55:20,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:55:20,351 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_d473dd6a-1836-4d17-96f2-37e830fe4430/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 -> c23505adeafc05501dae695d01ba5b7f16426196 [2019-10-22 08:55:20,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:55:20,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:55:20,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:55:20,398 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:55:20,398 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:55:20,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d473dd6a-1836-4d17-96f2-37e830fe4430/bin/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-10-22 08:55:20,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d473dd6a-1836-4d17-96f2-37e830fe4430/bin/uautomizer/data/80b9b7769/81924c87bd6542a4a2d1482223a30ee8/FLAG56d685bc9 [2019-10-22 08:55:20,918 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:55:20,918 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d473dd6a-1836-4d17-96f2-37e830fe4430/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-10-22 08:55:20,932 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d473dd6a-1836-4d17-96f2-37e830fe4430/bin/uautomizer/data/80b9b7769/81924c87bd6542a4a2d1482223a30ee8/FLAG56d685bc9 [2019-10-22 08:55:21,420 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d473dd6a-1836-4d17-96f2-37e830fe4430/bin/uautomizer/data/80b9b7769/81924c87bd6542a4a2d1482223a30ee8 [2019-10-22 08:55:21,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:55:21,423 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-10-22 08:55:21,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:21,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:55:21,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:55:21,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:21" (1/1) ... [2019-10-22 08:55:21,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5768abd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:21, skipping insertion in model container [2019-10-22 08:55:21,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:21" (1/1) ... [2019-10-22 08:55:21,440 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:55:21,493 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:55:21,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:21,815 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:55:21,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:21,920 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:55:21,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:21 WrapperNode [2019-10-22 08:55:21,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:21,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:55:21,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:55:21,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:55:21,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:21" (1/1) ... [2019-10-22 08:55:21,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:21" (1/1) ... [2019-10-22 08:55:21,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:21" (1/1) ... [2019-10-22 08:55:21,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:21" (1/1) ... [2019-10-22 08:55:21,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:21" (1/1) ... [2019-10-22 08:55:21,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:21" (1/1) ... [2019-10-22 08:55:21,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:21" (1/1) ... [2019-10-22 08:55:21,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:55:21,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:55:21,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:55:21,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:55:21,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d473dd6a-1836-4d17-96f2-37e830fe4430/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 [2019-10-22 08:55:22,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-22 08:55:22,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:55:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-10-22 08:55:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-10-22 08:55:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-10-22 08:55:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-10-22 08:55:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-10-22 08:55:22,033 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-10-22 08:55:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-10-22 08:55:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-10-22 08:55:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-10-22 08:55:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-10-22 08:55:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-22 08:55:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-10-22 08:55:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-10-22 08:55:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-10-22 08:55:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-10-22 08:55:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-10-22 08:55:22,034 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-10-22 08:55:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-10-22 08:55:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-10-22 08:55:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-10-22 08:55:22,035 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-10-22 08:55:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-10-22 08:55:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-10-22 08:55:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-10-22 08:55:22,040 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2019-10-22 08:55:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-22 08:55:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-22 08:55:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-22 08:55:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-22 08:55:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-22 08:55:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-10-22 08:55:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-10-22 08:55:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-10-22 08:55:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-10-22 08:55:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-10-22 08:55:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-10-22 08:55:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-10-22 08:55:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-10-22 08:55:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-10-22 08:55:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-10-22 08:55:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-10-22 08:55:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-10-22 08:55:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-10-22 08:55:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-10-22 08:55:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-10-22 08:55:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-10-22 08:55:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-10-22 08:55:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-10-22 08:55:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-10-22 08:55:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-10-22 08:55:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-10-22 08:55:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-10-22 08:55:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-22 08:55:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-10-22 08:55:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2019-10-22 08:55:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-22 08:55:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:55:22,340 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:55:22,415 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-22 08:55:22,415 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-22 08:55:22,436 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:55:22,451 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-22 08:55:22,452 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-22 08:55:22,459 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:55:22,715 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-10-22 08:55:22,715 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-10-22 08:55:22,717 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:55:22,786 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-10-22 08:55:22,786 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-10-22 08:55:22,799 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:55:22,814 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-10-22 08:55:22,814 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-10-22 08:55:22,876 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:55:22,884 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-22 08:55:22,884 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-22 08:55:22,884 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:55:22,892 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-22 08:55:22,892 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-22 08:55:22,892 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:55:22,900 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-22 08:55:22,900 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-22 08:55:22,934 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:55:22,976 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-10-22 08:55:22,976 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-10-22 08:55:23,009 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:55:23,014 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-22 08:55:23,014 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-22 08:55:23,015 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:55:23,022 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-22 08:55:23,022 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-22 08:55:23,024 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 08:55:23,028 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-22 08:55:23,029 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-22 08:55:23,040 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:55:23,040 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-22 08:55:23,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:23 BoogieIcfgContainer [2019-10-22 08:55:23,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:55:23,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:55:23,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:55:23,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:55:23,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:55:21" (1/3) ... [2019-10-22 08:55:23,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12db7322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:23, skipping insertion in model container [2019-10-22 08:55:23,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:21" (2/3) ... [2019-10-22 08:55:23,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12db7322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:23, skipping insertion in model container [2019-10-22 08:55:23,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:23" (3/3) ... [2019-10-22 08:55:23,051 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-2.c [2019-10-22 08:55:23,061 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:55:23,069 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-10-22 08:55:23,079 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-10-22 08:55:23,101 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:55:23,102 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 08:55:23,102 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:55:23,102 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:55:23,102 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:55:23,102 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:55:23,102 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:55:23,102 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:55:23,127 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2019-10-22 08:55:23,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:55:23,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:55:23 BoogieIcfgContainer [2019-10-22 08:55:23,161 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:55:23,161 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:55:23,161 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:55:23,161 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:55:23,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:23" (3/4) ... [2019-10-22 08:55:23,167 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:55:23,178 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2019-10-22 08:55:23,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2019-10-22 08:55:23,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyProcessQueuedRequests [2019-10-22 08:55:23,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2019-10-22 08:55:23,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2019-10-22 08:55:23,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-10-22 08:55:23,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyCreateClose [2019-10-22 08:55:23,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2019-10-22 08:55:23,179 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2019-10-22 08:55:23,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2019-10-22 08:55:23,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2019-10-22 08:55:23,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2019-10-22 08:55:23,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2019-10-22 08:55:23,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2019-10-22 08:55:23,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2019-10-22 08:55:23,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2019-10-22 08:55:23,180 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2019-10-22 08:55:23,181 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2019-10-22 08:55:23,181 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2019-10-22 08:55:23,181 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2019-10-22 08:55:23,181 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-10-22 08:55:23,181 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2019-10-22 08:55:23,181 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2019-10-22 08:55:23,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2019-10-22 08:55:23,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2019-10-22 08:55:23,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2019-10-22 08:55:23,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges [2019-10-22 08:55:23,213 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2019-10-22 08:55:23,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 08:55:23,215 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:55:23,371 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d473dd6a-1836-4d17-96f2-37e830fe4430/bin/uautomizer/witness.graphml [2019-10-22 08:55:23,371 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:55:23,373 INFO L168 Benchmark]: Toolchain (without parser) took 1949.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 944.4 MB in the beginning and 1.0 GB in the end (delta: -57.9 MB). Peak memory consumption was 89.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:23,373 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:23,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 496.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:23,374 INFO L168 Benchmark]: Boogie Preprocessor took 55.60 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:23,374 INFO L168 Benchmark]: RCFGBuilder took 1064.09 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: 94.8 MB). Peak memory consumption was 94.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:23,374 INFO L168 Benchmark]: TraceAbstraction took 118.84 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. [2019-10-22 08:55:23,375 INFO L168 Benchmark]: Witness Printer took 210.19 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: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:23,376 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 496.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -186.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.60 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1064.09 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: 94.8 MB). Peak memory consumption was 94.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 118.84 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 210.19 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: 20.1 MB). Peak memory consumption was 20.1 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. 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=303occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...