java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:48:09,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:48:09,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:48:09,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:48:09,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:48:09,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:48:09,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:48:09,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:48:09,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:48:09,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:48:09,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:48:09,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:48:09,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:48:09,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:48:09,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:48:09,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:48:09,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:48:09,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:48:09,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:48:09,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:48:09,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:48:09,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:48:09,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:48:09,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:48:09,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:48:09,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:48:09,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:48:09,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:48:09,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:48:09,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:48:09,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:48:09,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:48:09,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:48:09,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:48:09,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:48:09,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:48:09,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:48:09,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:48:09,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:48:09,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:48:09,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:48:09,767 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:48:09,782 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:48:09,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:48:09,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:48:09,783 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:48:09,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:48:09,784 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:48:09,784 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:48:09,784 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:48:09,784 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:48:09,784 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:48:09,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:48:09,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:48:09,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:48:09,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:48:09,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:48:09,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:48:09,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:48:09,786 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:48:09,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:48:09,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:48:09,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:48:09,787 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:48:09,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:48:09,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:48:09,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:48:09,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:48:09,788 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:48:09,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:48:09,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:48:09,789 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:48:09,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:48:09,829 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:48:09,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:48:09,834 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:48:09,834 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:48:09,835 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-20 13:48:09,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ac435416/0228f12237ca466db510f72a45503a5b/FLAG36ec145f7 [2019-09-20 13:48:10,427 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:10,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-20 13:48:10,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ac435416/0228f12237ca466db510f72a45503a5b/FLAG36ec145f7 [2019-09-20 13:48:10,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ac435416/0228f12237ca466db510f72a45503a5b [2019-09-20 13:48:10,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:10,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:10,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:10,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:10,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:10,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:10" (1/1) ... [2019-09-20 13:48:10,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa5b455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:10, skipping insertion in model container [2019-09-20 13:48:10,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:10" (1/1) ... [2019-09-20 13:48:10,756 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:10,821 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:11,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:11,182 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:11,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:11,415 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:11,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:11 WrapperNode [2019-09-20 13:48:11,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:11,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:11,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:11,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:48:11,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:11" (1/1) ... [2019-09-20 13:48:11,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:11" (1/1) ... [2019-09-20 13:48:11,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:11" (1/1) ... [2019-09-20 13:48:11,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:11" (1/1) ... [2019-09-20 13:48:11,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:11" (1/1) ... [2019-09-20 13:48:11,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:11" (1/1) ... [2019-09-20 13:48:11,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:11" (1/1) ... [2019-09-20 13:48:11,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:48:11,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:48:11,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:48:11,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:48:11,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:11" (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 [2019-09-20 13:48:11,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:48:11,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:48:11,597 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 13:48:11,598 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 13:48:11,598 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-09-20 13:48:11,598 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-09-20 13:48:11,598 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-09-20 13:48:11,598 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-09-20 13:48:11,598 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-09-20 13:48:11,599 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-09-20 13:48:11,599 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-09-20 13:48:11,599 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 13:48:11,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:48:11,601 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-09-20 13:48:11,601 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-09-20 13:48:11,601 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-09-20 13:48:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-09-20 13:48:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-09-20 13:48:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 13:48:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 13:48:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 13:48:11,603 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 13:48:11,603 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 13:48:11,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-09-20 13:48:11,603 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-09-20 13:48:11,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-09-20 13:48:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:48:11,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 13:48:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:48:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 13:48:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:48:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-09-20 13:48:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-09-20 13:48:11,605 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-09-20 13:48:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-09-20 13:48:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-09-20 13:48:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-09-20 13:48:11,606 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-09-20 13:48:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-09-20 13:48:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-09-20 13:48:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-09-20 13:48:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-09-20 13:48:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 13:48:11,607 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 13:48:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 13:48:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-09-20 13:48:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-09-20 13:48:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-09-20 13:48:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 13:48:11,608 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 13:48:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 13:48:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-09-20 13:48:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 13:48:11,609 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:48:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 13:48:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:48:11,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:48:11,941 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:48:12,004 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 13:48:12,004 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 13:48:12,023 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:48:12,034 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 13:48:12,034 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 13:48:12,042 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:48:12,357 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-09-20 13:48:12,357 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-09-20 13:48:12,360 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:48:12,438 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-09-20 13:48:12,438 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-09-20 13:48:12,461 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:48:12,488 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 13:48:12,489 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 13:48:12,624 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:48:12,635 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 13:48:12,635 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 13:48:12,635 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:48:12,644 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 13:48:12,645 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 13:48:12,645 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:48:12,661 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 13:48:12,661 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 13:48:12,712 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:48:12,757 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 13:48:12,758 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 13:48:12,791 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:48:12,801 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 13:48:12,801 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 13:48:12,802 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:48:12,820 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 13:48:12,820 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 13:48:12,821 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 13:48:12,831 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 13:48:12,831 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 13:48:12,846 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:48:12,846 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:48:12,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:12 BoogieIcfgContainer [2019-09-20 13:48:12,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:48:12,849 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:48:12,850 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:48:12,850 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:48:12,851 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:12" (1/1) ... [2019-09-20 13:48:12,890 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:48:14,106 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-20 13:48:19,587 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:48:19,624 INFO L272 AbstractInterpreter]: Visited 383 different actions 9531 times. Merged at 202 different actions 3535 times. Widened at 17 different actions 73 times. Performed 63351 root evaluator evaluations with a maximum evaluation depth of 9. Performed 63351 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 796 fixpoints after 89 different actions. Largest state had 128 variables. [2019-09-20 13:48:19,624 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:48:19,627 INFO L168 Benchmark]: Toolchain (without parser) took 8887.34 ms. Allocated memory was 139.5 MB in the beginning and 522.7 MB in the end (delta: 383.3 MB). Free memory was 85.1 MB in the beginning and 193.1 MB in the end (delta: -108.0 MB). Peak memory consumption was 275.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:19,628 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory is still 103.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:48:19,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.49 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 84.6 MB in the beginning and 171.5 MB in the end (delta: -86.9 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:19,632 INFO L168 Benchmark]: Boogie Preprocessor took 99.10 ms. Allocated memory is still 201.9 MB. Free memory was 171.5 MB in the beginning and 167.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:19,633 INFO L168 Benchmark]: RCFGBuilder took 1332.52 ms. Allocated memory is still 201.9 MB. Free memory was 167.7 MB in the beginning and 81.4 MB in the end (delta: 86.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:19,634 INFO L168 Benchmark]: Abstract Interpretation took 6775.00 ms. Allocated memory was 201.9 MB in the beginning and 522.7 MB in the end (delta: 320.9 MB). Free memory was 81.4 MB in the beginning and 193.1 MB in the end (delta: -111.7 MB). Peak memory consumption was 209.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:19,638 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory is still 103.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 676.49 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 84.6 MB in the beginning and 171.5 MB in the end (delta: -86.9 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.10 ms. Allocated memory is still 201.9 MB. Free memory was 171.5 MB in the beginning and 167.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1332.52 ms. Allocated memory is still 201.9 MB. Free memory was 167.7 MB in the beginning and 81.4 MB in the end (delta: 86.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 6775.00 ms. Allocated memory was 201.9 MB in the beginning and 522.7 MB in the end (delta: 320.9 MB). Free memory was 81.4 MB in the beginning and 193.1 MB in the end (delta: -111.7 MB). Peak memory consumption was 209.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 64]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L35] int FloppyThread ; [L36] int KernelMode ; [L37] int Suspended ; [L38] int Executive ; [L39] int DiskController ; [L40] int FloppyDiskPeripheral ; [L41] int FlConfigCallBack ; [L42] int MaximumInterfaceType ; [L43] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L44] int myStatus ; [L45] int s ; [L46] int UNLOADED ; [L47] int NP ; [L48] int DC ; [L49] int SKIP1 ; [L50] int SKIP2 ; [L51] int MPR1 ; [L52] int MPR3 ; [L53] int IPC ; [L54] int pended ; [L55] int compRegistered ; [L56] int lowerDriverReturn ; [L57] int setEventCalled ; [L58] int customIrp ; [L90] int PagingReferenceCount = 0; [L91] int PagingMutex = 0; [L670] int status ; [L671] int irp = __VERIFIER_nondet_int() ; [L672] int pirp ; [L673] int pirp__IoStatus__Status ; [L674] int irp_choice = __VERIFIER_nondet_int() ; [L675] int devobj = __VERIFIER_nondet_int() ; [L676] int __cil_tmp8 ; [L678] FloppyThread = 0 [L679] KernelMode = 0 [L680] Suspended = 0 [L681] Executive = 0 [L682] DiskController = 0 [L683] FloppyDiskPeripheral = 0 [L684] FlConfigCallBack = 0 [L685] MaximumInterfaceType = 0 [L686] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L687] myStatus = 0 [L688] s = 0 [L689] UNLOADED = 0 [L690] NP = 0 [L691] DC = 0 [L692] SKIP1 = 0 [L693] SKIP2 = 0 [L694] MPR1 = 0 [L695] MPR3 = 0 [L696] IPC = 0 [L697] pended = 0 [L698] compRegistered = 0 [L699] lowerDriverReturn = 0 [L700] setEventCalled = 0 [L701] customIrp = 0 [L705] status = 0 [L706] pirp = irp [L707] CALL _BLAST_init() [L73] UNLOADED = 0 [L74] NP = 1 [L75] DC = 2 [L76] SKIP1 = 3 [L77] SKIP2 = 4 [L78] MPR1 = 5 [L79] MPR3 = 6 [L80] IPC = 7 [L81] s = UNLOADED [L82] pended = 0 [L83] compRegistered = 0 [L84] lowerDriverReturn = 0 [L85] setEventCalled = 0 [L86] customIrp = 0 [L707] RET _BLAST_init() [L709] COND TRUE status >= 0 [L710] s = NP [L711] customIrp = 0 [L712] setEventCalled = customIrp [L713] lowerDriverReturn = setEventCalled [L714] compRegistered = lowerDriverReturn [L715] pended = compRegistered [L716] pirp__IoStatus__Status = 0 [L717] myStatus = 0 [L718] COND TRUE irp_choice == 0 [L719] pirp__IoStatus__Status = -1073741637 [L720] myStatus = -1073741637 [L723] CALL stub_driver_init() [L660] s = NP [L661] pended = 0 [L662] compRegistered = 0 [L663] lowerDriverReturn = 0 [L664] setEventCalled = 0 [L665] customIrp = 0 [L723] RET stub_driver_init() [L726] COND FALSE !(status < 0) [L730] int tmp_ndt_1; [L731] tmp_ndt_1 = __VERIFIER_nondet_int() [L732] COND TRUE tmp_ndt_1 == 3 [L739] CALL, EXPR FloppyPnp(devobj, pirp) [L163] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L164] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L165] int Irp__IoStatus__Information ; [L166] int Irp__IoStatus__Status ; [L167] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L168] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L169] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L170] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L171] int disketteExtension__HoldNewRequests ; [L172] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L173] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L174] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L175] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L176] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L177] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L178] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L179] int irpSp ; [L180] int disketteExtension ; [L181] int ntStatus ; [L182] int doneEvent = __VERIFIER_nondet_int() ; [L183] int irpSp___0 ; [L184] int nextIrpSp ; [L185] int nextIrpSp__Control ; [L186] int irpSp___1 ; [L187] int irpSp__Context ; [L188] int irpSp__Control ; [L189] long __cil_tmp29 ; [L190] long __cil_tmp30 ; [L193] ntStatus = 0 [L194] PagingReferenceCount ++ [L195] COND TRUE PagingReferenceCount == 1 [L198] disketteExtension = DeviceObject__DeviceExtension [L199] irpSp = Irp__Tail__Overlay__CurrentStackLocation [L200] COND FALSE !(\read(disketteExtension__IsRemoved)) [L209] COND FALSE !(irpSp__MinorFunction == 0) [L212] COND TRUE irpSp__MinorFunction == 5 [L238] COND TRUE irpSp__MinorFunction == 5 [L241] COND TRUE ! disketteExtension__IsStarted [L242] COND TRUE s == NP [L243] s = SKIP1 [L250] Irp__CurrentLocation ++ [L251] Irp__Tail__Overlay__CurrentStackLocation ++ [L252] CALL, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) [L937] int returnVal2 ; [L938] int compRetStatus1 ; [L939] int lcontext = __VERIFIER_nondet_int() ; [L940] unsigned long __cil_tmp7 ; [L943] COND FALSE !(\read(compRegistered)) [L956] int tmp_ndt_12; [L957] tmp_ndt_12 = __VERIFIER_nondet_int() [L958] COND TRUE tmp_ndt_12 == 0 [L969] returnVal2 = 0 [L982] COND FALSE !(s == NP) [L986] COND FALSE !(s == MPR1) [L995] COND TRUE s == SKIP1 [L996] s = SKIP2 [L997] lowerDriverReturn = returnVal2 [L1005] return (returnVal2); [L252] RET, EXPR IofCallDriver(disketteExtension__TargetObject, Irp) [L252] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L254] return (ntStatus); [L739] RET, EXPR FloppyPnp(devobj, pirp) [L739] status = FloppyPnp(devobj, pirp) [L749] COND FALSE !(pended == 1) [L757] COND FALSE !(pended == 1) [L765] COND TRUE s != UNLOADED [L766] COND TRUE status != -1 [L767] COND FALSE !(s != SKIP2) [L781] COND FALSE !(pended == 1) [L786] COND FALSE !(s == DC) [L793] COND TRUE status != lowerDriverReturn [L795] CALL errorFn() [L64] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...