./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 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_1abafc2e-8b8c-4c90-bca6-c642c44040f7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1abafc2e-8b8c-4c90-bca6-c642c44040f7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1abafc2e-8b8c-4c90-bca6-c642c44040f7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1abafc2e-8b8c-4c90-bca6-c642c44040f7/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1abafc2e-8b8c-4c90-bca6-c642c44040f7/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1abafc2e-8b8c-4c90-bca6-c642c44040f7/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 9b1a240fd075ce2cb4ef354f75e9bf02a7f7ab6f ......................................................................................................................................................................................................................................................................................................................... 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 03:54:39,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:54:39,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:54:39,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:54:39,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:54:39,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:54:39,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:54:39,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:54:39,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:54:39,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:54:39,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:54:39,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:54:39,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:54:39,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:54:39,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:54:39,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:54:39,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:54:39,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:54:39,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:54:39,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:54:39,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:54:39,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:54:39,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:54:39,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:54:39,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:54:39,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:54:39,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:54:39,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:54:39,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:54:39,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:54:39,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:54:39,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:54:39,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:54:39,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:54:39,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:54:39,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:54:39,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:54:39,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:54:39,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:54:39,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:54:39,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:54:39,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1abafc2e-8b8c-4c90-bca6-c642c44040f7/bin/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-20 03:54:39,592 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:54:39,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:54:39,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:54:39,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:54:39,606 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:54:39,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:54:39,607 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:54:39,607 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 03:54:39,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:54:39,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:54:39,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:54:39,608 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 03:54:39,608 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 03:54:39,609 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 03:54:39,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:54:39,609 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 03:54:39,609 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 03:54:39,610 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:54:39,610 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:54:39,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:54:39,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:54:39,611 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:54:39,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 03:54:39,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:54:39,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:54:39,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:54:39,612 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 03:54:39,612 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 03:54:39,613 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 03:54:39,613 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_1abafc2e-8b8c-4c90-bca6-c642c44040f7/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 -> 9b1a240fd075ce2cb4ef354f75e9bf02a7f7ab6f [2019-11-20 03:54:39,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:54:39,845 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:54:39,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:54:39,850 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:54:39,851 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:54:39,852 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1abafc2e-8b8c-4c90-bca6-c642c44040f7/bin/uautomizer/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-11-20 03:54:39,925 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1abafc2e-8b8c-4c90-bca6-c642c44040f7/bin/uautomizer/data/1cdb1b01b/8298a0ab9ab641a588651aaf97e31bac/FLAG82a7e2c62 [2019-11-20 03:54:40,532 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:54:40,533 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1abafc2e-8b8c-4c90-bca6-c642c44040f7/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-2.c [2019-11-20 03:54:40,548 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1abafc2e-8b8c-4c90-bca6-c642c44040f7/bin/uautomizer/data/1cdb1b01b/8298a0ab9ab641a588651aaf97e31bac/FLAG82a7e2c62 [2019-11-20 03:54:40,788 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1abafc2e-8b8c-4c90-bca6-c642c44040f7/bin/uautomizer/data/1cdb1b01b/8298a0ab9ab641a588651aaf97e31bac [2019-11-20 03:54:40,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:54:40,792 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-20 03:54:40,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:54:40,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:54:40,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:54:40,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:54:40" (1/1) ... [2019-11-20 03:54:40,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d800b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:40, skipping insertion in model container [2019-11-20 03:54:40,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:54:40" (1/1) ... [2019-11-20 03:54:40,812 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:54:40,889 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:54:41,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:54:41,347 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:54:41,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:54:41,484 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:54:41,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:41 WrapperNode [2019-11-20 03:54:41,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:54:41,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:54:41,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:54:41,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:54:41,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:41" (1/1) ... [2019-11-20 03:54:41,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:41" (1/1) ... [2019-11-20 03:54:41,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:41" (1/1) ... [2019-11-20 03:54:41,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:41" (1/1) ... [2019-11-20 03:54:41,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:41" (1/1) ... [2019-11-20 03:54:41,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:41" (1/1) ... [2019-11-20 03:54:41,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:41" (1/1) ... [2019-11-20 03:54:41,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:54:41,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:54:41,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:54:41,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:54:41,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1abafc2e-8b8c-4c90-bca6-c642c44040f7/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 03:54:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-20 03:54:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:54:41,669 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-11-20 03:54:41,670 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-11-20 03:54:41,670 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-11-20 03:54:41,670 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-11-20 03:54:41,670 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-11-20 03:54:41,671 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-11-20 03:54:41,671 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-11-20 03:54:41,672 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-11-20 03:54:41,672 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-11-20 03:54:41,672 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-11-20 03:54:41,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-20 03:54:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-11-20 03:54:41,673 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-11-20 03:54:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-11-20 03:54:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-11-20 03:54:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-11-20 03:54:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-11-20 03:54:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-11-20 03:54:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-11-20 03:54:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-11-20 03:54:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-11-20 03:54:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-11-20 03:54:41,676 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-11-20 03:54:41,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-11-20 03:54:41,677 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2019-11-20 03:54:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-20 03:54:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-20 03:54:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-20 03:54:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-20 03:54:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-11-20 03:54:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-11-20 03:54:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-11-20 03:54:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-11-20 03:54:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-11-20 03:54:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-11-20 03:54:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-11-20 03:54:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-11-20 03:54:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-11-20 03:54:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-11-20 03:54:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-11-20 03:54:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-11-20 03:54:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-11-20 03:54:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-11-20 03:54:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-11-20 03:54:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-11-20 03:54:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-11-20 03:54:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-11-20 03:54:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-11-20 03:54:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-11-20 03:54:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-11-20 03:54:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-11-20 03:54:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-20 03:54:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-11-20 03:54:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2019-11-20 03:54:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-20 03:54:41,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:54:42,138 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 03:54:42,184 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-20 03:54:42,184 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-20 03:54:42,196 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 03:54:42,213 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-20 03:54:42,213 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-20 03:54:42,225 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 03:54:42,596 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-11-20 03:54:42,596 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-11-20 03:54:42,599 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 03:54:42,693 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-11-20 03:54:42,693 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-11-20 03:54:42,716 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 03:54:42,741 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-11-20 03:54:42,742 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-11-20 03:54:42,919 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 03:54:42,931 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-20 03:54:42,931 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-20 03:54:42,932 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 03:54:42,945 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-20 03:54:42,945 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-20 03:54:42,945 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 03:54:42,964 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-20 03:54:42,964 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-20 03:54:43,038 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 03:54:43,082 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-11-20 03:54:43,082 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-11-20 03:54:43,120 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 03:54:43,133 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-20 03:54:43,133 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-20 03:54:43,134 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 03:54:43,146 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-20 03:54:43,147 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-20 03:54:43,147 WARN L736 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-20 03:54:43,153 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-11-20 03:54:43,153 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-11-20 03:54:43,163 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:54:43,164 INFO L285 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-20 03:54:43,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:54:43 BoogieIcfgContainer [2019-11-20 03:54:43,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:54:43,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 03:54:43,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 03:54:43,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 03:54:43,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:54:40" (1/3) ... [2019-11-20 03:54:43,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1503b0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:54:43, skipping insertion in model container [2019-11-20 03:54:43,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:54:41" (2/3) ... [2019-11-20 03:54:43,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1503b0ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:54:43, skipping insertion in model container [2019-11-20 03:54:43,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:54:43" (3/3) ... [2019-11-20 03:54:43,174 INFO L109 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-2.c [2019-11-20 03:54:43,185 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 03:54:43,193 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-20 03:54:43,206 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-20 03:54:43,228 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 03:54:43,228 INFO L374 AbstractCegarLoop]: Hoare is false [2019-11-20 03:54:43,228 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 03:54:43,228 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:54:43,228 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:54:43,229 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 03:54:43,229 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:54:43,229 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 03:54:43,255 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states. [2019-11-20 03:54:43,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 03:54:43,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 03:54:43 BoogieIcfgContainer [2019-11-20 03:54:43,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 03:54:43,282 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:54:43,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:54:43,282 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:54:43,283 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:54:43" (3/4) ... [2019-11-20 03:54:43,287 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 03:54:43,296 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2019-11-20 03:54:43,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2019-11-20 03:54:43,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyProcessQueuedRequests [2019-11-20 03:54:43,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2019-11-20 03:54:43,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2019-11-20 03:54:43,297 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-11-20 03:54:43,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyCreateClose [2019-11-20 03:54:43,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2019-11-20 03:54:43,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2019-11-20 03:54:43,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2019-11-20 03:54:43,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2019-11-20 03:54:43,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2019-11-20 03:54:43,298 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2019-11-20 03:54:43,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2019-11-20 03:54:43,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2019-11-20 03:54:43,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2019-11-20 03:54:43,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2019-11-20 03:54:43,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2019-11-20 03:54:43,299 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2019-11-20 03:54:43,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2019-11-20 03:54:43,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-11-20 03:54:43,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2019-11-20 03:54:43,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2019-11-20 03:54:43,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2019-11-20 03:54:43,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2019-11-20 03:54:43,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2019-11-20 03:54:43,324 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2019-11-20 03:54:43,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2019-11-20 03:54:43,329 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 03:54:43,331 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 03:54:43,535 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1abafc2e-8b8c-4c90-bca6-c642c44040f7/bin/uautomizer/witness.graphml [2019-11-20 03:54:43,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:54:43,538 INFO L168 Benchmark]: Toolchain (without parser) took 2745.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.1 MB in the beginning and 995.2 MB in the end (delta: -45.1 MB). Peak memory consumption was 95.9 MB. Max. memory is 11.5 GB. [2019-11-20 03:54:43,538 INFO L168 Benchmark]: CDTParser took 0.85 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 03:54:43,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 03:54:43,539 INFO L168 Benchmark]: Boogie Preprocessor took 97.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:54:43,540 INFO L168 Benchmark]: RCFGBuilder took 1581.77 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: 95.0 MB). Peak memory consumption was 95.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:54:43,540 INFO L168 Benchmark]: TraceAbstraction took 115.06 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. [2019-11-20 03:54:43,540 INFO L168 Benchmark]: Witness Printer took 254.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 995.2 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:54:43,542 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 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 692.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 97.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1581.77 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: 95.0 MB). Peak memory consumption was 95.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 115.06 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 254.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 995.2 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 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...