./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/ntdrivers-simplified/floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/ntdrivers-simplified/floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 600447986a0d0a3d94421aa90c6997a7dd1eb35a .................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 19:53:08,532 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 19:53:08,533 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 19:53:08,545 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 19:53:08,546 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 19:53:08,547 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 19:53:08,548 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 19:53:08,550 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 19:53:08,552 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 19:53:08,553 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 19:53:08,554 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 19:53:08,554 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 19:53:08,555 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 19:53:08,556 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 19:53:08,557 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 19:53:08,558 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 19:53:08,558 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 19:53:08,560 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 19:53:08,562 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 19:53:08,564 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 19:53:08,565 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 19:53:08,566 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 19:53:08,569 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 19:53:08,569 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 19:53:08,569 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 19:53:08,570 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 19:53:08,571 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 19:53:08,572 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 19:53:08,573 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 19:53:08,574 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 19:53:08,575 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 19:53:08,575 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 19:53:08,576 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 19:53:08,576 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 19:53:08,577 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 19:53:08,578 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 19:53:08,578 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-01-01 19:53:08,593 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 19:53:08,593 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 19:53:08,595 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 19:53:08,595 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 19:53:08,595 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 19:53:08,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 19:53:08,595 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 19:53:08,596 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 19:53:08,596 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 19:53:08,596 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 19:53:08,596 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 19:53:08,596 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-01 19:53:08,596 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-01 19:53:08,597 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-01-01 19:53:08,597 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 19:53:08,597 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 19:53:08,597 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 19:53:08,597 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 19:53:08,597 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 19:53:08,598 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 19:53:08,598 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 19:53:08,598 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 19:53:08,598 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 19:53:08,598 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 19:53:08,599 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 19:53:08,599 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 19:53:08,599 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 600447986a0d0a3d94421aa90c6997a7dd1eb35a [2019-01-01 19:53:08,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 19:53:08,679 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 19:53:08,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 19:53:08,685 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 19:53:08,686 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 19:53:08,687 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ntdrivers-simplified/floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2019-01-01 19:53:08,765 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aebfe30d5/67054e6a644243a59d9af2badf94b144/FLAG2bb5381bf [2019-01-01 19:53:09,380 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 19:53:09,381 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ntdrivers-simplified/floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2019-01-01 19:53:09,402 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aebfe30d5/67054e6a644243a59d9af2badf94b144/FLAG2bb5381bf [2019-01-01 19:53:09,622 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aebfe30d5/67054e6a644243a59d9af2badf94b144 [2019-01-01 19:53:09,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 19:53:09,628 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-01 19:53:09,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 19:53:09,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 19:53:09,636 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 19:53:09,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 07:53:09" (1/1) ... [2019-01-01 19:53:09,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31edf3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 07:53:09, skipping insertion in model container [2019-01-01 19:53:09,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 07:53:09" (1/1) ... [2019-01-01 19:53:09,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 19:53:09,721 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 19:53:10,062 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 19:53:10,068 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 19:53:10,194 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 19:53:10,231 INFO L195 MainTranslator]: Completed translation [2019-01-01 19:53:10,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 07:53:10 WrapperNode [2019-01-01 19:53:10,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 19:53:10,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 19:53:10,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 19:53:10,233 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 19:53:10,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 07:53:10" (1/1) ... [2019-01-01 19:53:10,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 07:53:10" (1/1) ... [2019-01-01 19:53:10,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 07:53:10" (1/1) ... [2019-01-01 19:53:10,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 07:53:10" (1/1) ... [2019-01-01 19:53:10,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 07:53:10" (1/1) ... [2019-01-01 19:53:10,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 07:53:10" (1/1) ... [2019-01-01 19:53:10,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 07:53:10" (1/1) ... [2019-01-01 19:53:10,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 19:53:10,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 19:53:10,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 19:53:10,418 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 19:53:10,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 07:53:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 19:53:10,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-01 19:53:10,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 19:53:10,502 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-01-01 19:53:10,502 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-01-01 19:53:10,502 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-01-01 19:53:10,503 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-01-01 19:53:10,503 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-01-01 19:53:10,504 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-01-01 19:53:10,504 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-01-01 19:53:10,504 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-01-01 19:53:10,504 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-01-01 19:53:10,504 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-01-01 19:53:10,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-01 19:53:10,507 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-01-01 19:53:10,507 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-01-01 19:53:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-01-01 19:53:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-01-01 19:53:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-01-01 19:53:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-01-01 19:53:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-01-01 19:53:10,509 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-01-01 19:53:10,509 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-01-01 19:53:10,509 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-01-01 19:53:10,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-01-01 19:53:10,509 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-01-01 19:53:10,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-01-01 19:53:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-01-01 19:53:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-01-01 19:53:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-01 19:53:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-01-01 19:53:10,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-01-01 19:53:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-01-01 19:53:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-01-01 19:53:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-01-01 19:53:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-01-01 19:53:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-01-01 19:53:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-01-01 19:53:10,514 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-01-01 19:53:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-01-01 19:53:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-01-01 19:53:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-01-01 19:53:10,516 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-01-01 19:53:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-01-01 19:53:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-01-01 19:53:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-01-01 19:53:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-01-01 19:53:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-01-01 19:53:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-01-01 19:53:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-01-01 19:53:10,517 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-01-01 19:53:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-01-01 19:53:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-01-01 19:53:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-01-01 19:53:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-01 19:53:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-01-01 19:53:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-01 19:53:10,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 19:53:10,950 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2019-01-01 19:53:10,951 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 19:53:11,038 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2019-01-01 19:53:11,039 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 19:53:11,083 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2019-01-01 19:53:11,084 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 19:53:11,622 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2019-01-01 19:53:11,622 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 19:53:11,758 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2019-01-01 19:53:11,758 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 19:53:11,960 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2019-01-01 19:53:11,960 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 19:53:11,976 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2019-01-01 19:53:11,976 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 19:53:11,984 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2019-01-01 19:53:11,984 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 19:53:12,194 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2019-01-01 19:53:12,194 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 19:53:12,338 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2019-01-01 19:53:12,338 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 19:53:12,407 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2019-01-01 19:53:12,407 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 19:53:12,458 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2019-01-01 19:53:12,458 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-01-01 19:53:12,502 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 19:53:12,503 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-01 19:53:12,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 07:53:12 BoogieIcfgContainer [2019-01-01 19:53:12,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 19:53:12,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 19:53:12,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 19:53:12,509 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 19:53:12,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 07:53:09" (1/3) ... [2019-01-01 19:53:12,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668b8995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 07:53:12, skipping insertion in model container [2019-01-01 19:53:12,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 07:53:10" (2/3) ... [2019-01-01 19:53:12,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668b8995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 07:53:12, skipping insertion in model container [2019-01-01 19:53:12,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 07:53:12" (3/3) ... [2019-01-01 19:53:12,514 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl3_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2019-01-01 19:53:12,526 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 19:53:12,539 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-01-01 19:53:12,559 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-01-01 19:53:12,589 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 19:53:12,590 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 19:53:12,590 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-01 19:53:12,590 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 19:53:12,590 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 19:53:12,591 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 19:53:12,591 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 19:53:12,591 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 19:53:12,591 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 19:53:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states. [2019-01-01 19:53:12,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 19:53:12,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 07:53:12 BoogieIcfgContainer [2019-01-01 19:53:12,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 19:53:12,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 19:53:12,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 19:53:12,651 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 19:53:12,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 07:53:12" (3/4) ... [2019-01-01 19:53:12,657 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 19:53:12,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoRegisterDeviceInterface [2019-01-01 19:53:12,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _BLAST_init [2019-01-01 19:53:12,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyProcessQueuedRequests [2019-01-01 19:53:12,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoSetDeviceInterfaceState [2019-01-01 19:53:12,666 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnp [2019-01-01 19:53:12,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2019-01-01 19:53:12,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stubMoreProcessingRequired [2019-01-01 19:53:12,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyPnpComplete [2019-01-01 19:53:12,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeWaitForSingleObject [2019-01-01 19:53:12,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCompleteRequest [2019-01-01 19:53:12,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FloppyStartDevice [2019-01-01 19:53:12,667 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure PsCreateSystemThread [2019-01-01 19:53:12,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ObReferenceObjectByHandle [2019-01-01 19:53:12,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoBuildDeviceIoControlRequest [2019-01-01 19:53:12,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure KeSetEvent [2019-01-01 19:53:12,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stub_driver_init [2019-01-01 19:53:12,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure errorFn [2019-01-01 19:53:12,668 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlQueueIrpToThread [2019-01-01 19:53:12,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IofCallDriver [2019-01-01 19:53:12,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2019-01-01 19:53:12,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlFdcDeviceIo [2019-01-01 19:53:12,669 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure FlAcpiConfigureFloppy [2019-01-01 19:53:12,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoDeleteSymbolicLink [2019-01-01 19:53:12,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure IoQueryDeviceDescription [2019-01-01 19:53:12,670 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ZwClose [2019-01-01 19:53:12,695 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2019-01-01 19:53:12,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2019-01-01 19:53:12,699 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-01-01 19:53:12,701 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-01 19:53:12,913 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 19:53:12,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 19:53:12,914 INFO L168 Benchmark]: Toolchain (without parser) took 3287.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 950.0 MB in the beginning and 984.6 MB in the end (delta: -34.6 MB). Peak memory consumption was 83.4 MB. Max. memory is 11.5 GB. [2019-01-01 19:53:12,916 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 19:53:12,916 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.35 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 923.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-01-01 19:53:12,916 INFO L168 Benchmark]: Boogie Preprocessor took 183.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-01-01 19:53:12,917 INFO L168 Benchmark]: RCFGBuilder took 2087.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.5 MB). Peak memory consumption was 86.5 MB. Max. memory is 11.5 GB. [2019-01-01 19:53:12,918 INFO L168 Benchmark]: TraceAbstraction took 144.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-01 19:53:12,918 INFO L168 Benchmark]: Witness Printer took 262.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 984.6 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-01-01 19:53:12,921 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 602.35 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 923.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 183.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 923.2 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2087.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.5 MB). Peak memory consumption was 86.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 144.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Witness Printer took 262.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 984.6 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 328 locations, 0 error locations. SAFE Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=301occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...