java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 02:29:59,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 02:29:59,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 02:29:59,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 02:29:59,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 02:29:59,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 02:29:59,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 02:29:59,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 02:29:59,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 02:29:59,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 02:29:59,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 02:29:59,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 02:29:59,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 02:29:59,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 02:29:59,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 02:29:59,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 02:29:59,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 02:29:59,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 02:29:59,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 02:29:59,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 02:29:59,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 02:29:59,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 02:29:59,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 02:29:59,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 02:29:59,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 02:29:59,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 02:29:59,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 02:29:59,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 02:29:59,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 02:29:59,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 02:29:59,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 02:29:59,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 02:29:59,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 02:29:59,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 02:29:59,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 02:29:59,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 02:29:59,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 02:29:59,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 02:29:59,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 02:29:59,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 02:29:59,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 02:29:59,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 02:29:59,720 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 02:29:59,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 02:29:59,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 02:29:59,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 02:29:59,725 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 02:29:59,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 02:29:59,725 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 02:29:59,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 02:29:59,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 02:29:59,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 02:29:59,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 02:29:59,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 02:29:59,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 02:29:59,727 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 02:29:59,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 02:29:59,727 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 02:29:59,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 02:29:59,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 02:29:59,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 02:29:59,729 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 02:29:59,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 02:29:59,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 02:29:59,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 02:29:59,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 02:29:59,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 02:29:59,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 02:29:59,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 02:29:59,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 02:29:59,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-14 02:30:00,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 02:30:00,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 02:30:00,037 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 02:30:00,039 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 02:30:00,039 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 02:30:00,040 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-10-14 02:30:00,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/005587f8c/b6435cbe542d4c378cf18a0df3b93ca2/FLAG21fc24b4e [2019-10-14 02:30:00,620 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 02:30:00,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-10-14 02:30:00,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/005587f8c/b6435cbe542d4c378cf18a0df3b93ca2/FLAG21fc24b4e [2019-10-14 02:30:00,932 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/005587f8c/b6435cbe542d4c378cf18a0df3b93ca2 [2019-10-14 02:30:00,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 02:30:00,945 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 02:30:00,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 02:30:00,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 02:30:00,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 02:30:00,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:30:00" (1/1) ... [2019-10-14 02:30:00,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d01eef6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:00, skipping insertion in model container [2019-10-14 02:30:00,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:30:00" (1/1) ... [2019-10-14 02:30:00,962 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 02:30:01,034 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 02:30:01,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:30:01,424 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 02:30:01,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 02:30:01,654 INFO L192 MainTranslator]: Completed translation [2019-10-14 02:30:01,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:01 WrapperNode [2019-10-14 02:30:01,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 02:30:01,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 02:30:01,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 02:30:01,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 02:30:01,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:01" (1/1) ... [2019-10-14 02:30:01,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:01" (1/1) ... [2019-10-14 02:30:01,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:01" (1/1) ... [2019-10-14 02:30:01,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:01" (1/1) ... [2019-10-14 02:30:01,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:01" (1/1) ... [2019-10-14 02:30:01,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:01" (1/1) ... [2019-10-14 02:30:01,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:01" (1/1) ... [2019-10-14 02:30:01,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 02:30:01,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 02:30:01,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 02:30:01,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 02:30:01,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:30:01" (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 [2019-10-14 02:30:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 02:30:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 02:30:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-10-14 02:30:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-10-14 02:30:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-10-14 02:30:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-10-14 02:30:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-10-14 02:30:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-10-14 02:30:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-10-14 02:30:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-10-14 02:30:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-10-14 02:30:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-10-14 02:30:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 02:30:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-10-14 02:30:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-10-14 02:30:01,828 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-10-14 02:30:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-10-14 02:30:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-10-14 02:30:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-10-14 02:30:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-10-14 02:30:01,829 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-10-14 02:30:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-10-14 02:30:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-10-14 02:30:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-10-14 02:30:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-10-14 02:30:01,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-10-14 02:30:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 02:30:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-14 02:30:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 02:30:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-14 02:30:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 02:30:01,831 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-10-14 02:30:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-10-14 02:30:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-10-14 02:30:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-10-14 02:30:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-10-14 02:30:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-10-14 02:30:01,832 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-10-14 02:30:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-10-14 02:30:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-10-14 02:30:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-10-14 02:30:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-10-14 02:30:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-10-14 02:30:01,833 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-10-14 02:30:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-10-14 02:30:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-10-14 02:30:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-10-14 02:30:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-10-14 02:30:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-10-14 02:30:01,834 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-10-14 02:30:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-10-14 02:30:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-10-14 02:30:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-10-14 02:30:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 02:30:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-10-14 02:30:01,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 02:30:01,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 02:30:02,204 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 02:30:02,293 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-14 02:30:02,293 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-14 02:30:02,313 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 02:30:02,324 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-14 02:30:02,325 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-14 02:30:02,332 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 02:30:02,696 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-10-14 02:30:02,697 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-10-14 02:30:02,700 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 02:30:02,783 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-10-14 02:30:02,783 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-10-14 02:30:02,808 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 02:30:02,849 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-10-14 02:30:02,849 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-10-14 02:30:02,936 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 02:30:02,944 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-14 02:30:02,945 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-14 02:30:02,945 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 02:30:02,958 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-14 02:30:02,958 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-14 02:30:02,959 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 02:30:02,972 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-14 02:30:02,972 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-14 02:30:03,017 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 02:30:03,056 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-10-14 02:30:03,056 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-10-14 02:30:03,119 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 02:30:03,129 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-14 02:30:03,129 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-14 02:30:03,130 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 02:30:03,149 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-14 02:30:03,150 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-14 02:30:03,150 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-14 02:30:03,160 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-10-14 02:30:03,160 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-10-14 02:30:03,551 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 02:30:03,552 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 02:30:03,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:30:03 BoogieIcfgContainer [2019-10-14 02:30:03,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 02:30:03,555 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 02:30:03,555 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 02:30:03,555 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 02:30:03,557 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:30:03" (1/1) ... [2019-10-14 02:30:03,558 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-14 02:30:03,599 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 02:30:03,606 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 02:30:03,616 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 02:30:03,624 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 02:30:03,625 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 02:30:03,984 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 134 for LOIs [2019-10-14 02:30:05,672 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 187 [2019-10-14 02:30:07,250 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 187 [2019-10-14 02:30:14,330 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2019-10-14 02:30:14,557 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 224 [2019-10-14 02:30:15,370 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 224 [2019-10-14 02:30:15,550 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2019-10-14 02:30:15,826 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2019-10-14 02:30:16,058 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2019-10-14 02:30:16,465 INFO L199 IcfgInterpreter]: Interpreting procedure FloppyPnp with input of size 112 for LOIs [2019-10-14 02:30:21,156 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2019-10-14 02:30:21,536 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 260 [2019-10-14 02:30:22,565 INFO L199 IcfgInterpreter]: Interpreting procedure FloppyStartDevice with input of size 104 for LOIs [2019-10-14 02:30:23,122 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2019-10-14 02:30:24,256 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2019-10-14 02:30:24,632 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 311 [2019-10-14 02:30:24,953 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2019-10-14 02:30:26,028 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2019-10-14 02:30:26,697 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2019-10-14 02:30:26,924 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2019-10-14 02:30:27,084 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 307 [2019-10-14 02:30:27,208 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2019-10-14 02:30:27,395 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2019-10-14 02:30:27,839 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2019-10-14 02:30:28,469 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 305 [2019-10-14 02:30:28,825 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2019-10-14 02:30:29,041 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2019-10-14 02:30:29,182 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 306 [2019-10-14 02:30:29,315 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2019-10-14 02:30:29,508 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2019-10-14 02:30:29,703 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2019-10-14 02:30:30,167 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 308 [2019-10-14 02:30:30,222 INFO L199 IcfgInterpreter]: Interpreting procedure FlFdcDeviceIo with input of size 128 for LOIs [2019-10-14 02:30:30,401 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 146 for LOIs [2019-10-14 02:30:30,632 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 130 for LOIs [2019-10-14 02:30:30,676 INFO L199 IcfgInterpreter]: Interpreting procedure FlQueueIrpToThread with input of size 123 for LOIs [2019-10-14 02:30:30,769 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 96 for LOIs [2019-10-14 02:30:30,804 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 152 for LOIs [2019-10-14 02:30:30,925 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 81 for LOIs [2019-10-14 02:30:30,949 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 02:30:30,949 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 02:30:30,951 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2602#(and (= ~MPR1~0 5) (= ~UNLOADED~0 0) (<= ~MOUNTDEV_MOUNTED_DEVICE_GUID~0 0) (<= 0 ~DiskController~0) (= ~MPR3~0 6) (<= 0 ~UNLOADED~0) (= ~KernelMode~0 0) (= ~SKIP1~0 3) (<= ~IPC~0 7) (<= 0 ~MaximumInterfaceType~0) (<= ~NP~0 1) (<= 6 ~MPR3~0) (<= ~FloppyDiskPeripheral~0 0) (<= 0 ~PagingMutex~0) (<= 0 ~MOUNTDEV_MOUNTED_DEVICE_GUID~0) (<= 0 ~FloppyDiskPeripheral~0) (<= ~DiskController~0 0) (= ~FloppyDiskPeripheral~0 0) (<= ~KernelMode~0 0) (<= 0 ~FlConfigCallBack~0) (<= 2 ~DC~0) (= ~NP~0 1) (= ~MaximumInterfaceType~0 0) (= ~FlConfigCallBack~0 0) (<= ~SKIP1~0 3) (= ~SKIP2~0 4) (<= ~UNLOADED~0 0) (<= ~MaximumInterfaceType~0 0) (<= 1 ~NP~0) (<= ~Suspended~0 0) (<= 5 ~MPR1~0) (= ~Executive~0 0) (<= ~FlConfigCallBack~0 0) (<= 0 ~Suspended~0) (= ~DC~0 2) (<= 0 ~KernelMode~0) (<= ~MPR3~0 6) (<= ~Executive~0 0) (<= ~MPR1~0 5) (<= ~FloppyThread~0 0) (= ~IPC~0 7) (= ~PagingMutex~0 0) (= ~Suspended~0 0) (= ~FloppyThread~0 0) (<= ~DC~0 2) (<= ~PagingMutex~0 0) (<= 7 ~IPC~0) (= ~DiskController~0 0) (<= 0 ~FloppyThread~0) (<= 0 ~Executive~0) (= ~MOUNTDEV_MOUNTED_DEVICE_GUID~0 0) (<= 4 ~SKIP2~0) (<= 3 ~SKIP1~0) (<= ~SKIP2~0 4)) [2019-10-14 02:30:30,964 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 02:30:30,964 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 02:30:30,966 INFO L168 Benchmark]: Toolchain (without parser) took 30021.27 ms. Allocated memory was 138.4 MB in the beginning and 940.6 MB in the end (delta: 802.2 MB). Free memory was 102.9 MB in the beginning and 708.0 MB in the end (delta: -605.1 MB). Peak memory consumption was 197.1 MB. Max. memory is 7.1 GB. [2019-10-14 02:30:30,967 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-14 02:30:30,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.85 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 102.7 MB in the beginning and 175.1 MB in the end (delta: -72.4 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2019-10-14 02:30:30,969 INFO L168 Benchmark]: Boogie Preprocessor took 82.20 ms. Allocated memory is still 203.9 MB. Free memory was 175.1 MB in the beginning and 171.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-10-14 02:30:30,970 INFO L168 Benchmark]: RCFGBuilder took 1816.83 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 171.6 MB in the beginning and 160.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2019-10-14 02:30:30,971 INFO L168 Benchmark]: Sifa took 27409.15 ms. Allocated memory was 237.0 MB in the beginning and 940.6 MB in the end (delta: 703.6 MB). Free memory was 160.4 MB in the beginning and 708.0 MB in the end (delta: -547.6 MB). Peak memory consumption was 156.0 MB. Max. memory is 7.1 GB. [2019-10-14 02:30:30,974 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.85 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 102.7 MB in the beginning and 175.1 MB in the end (delta: -72.4 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.20 ms. Allocated memory is still 203.9 MB. Free memory was 175.1 MB in the beginning and 171.6 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1816.83 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 171.6 MB in the beginning and 160.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. * Sifa took 27409.15 ms. Allocated memory was 237.0 MB in the beginning and 940.6 MB in the end (delta: 703.6 MB). Free memory was 160.4 MB in the beginning and 708.0 MB in the end (delta: -547.6 MB). Peak memory consumption was 156.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 27352, ICFG_INTERPRETER_ENTERED_PROCEDURES: 11, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 964, DAG_INTERPRETER_EARLY_EXITS: 23, TOOLS_POST_APPLICATIONS: 742, TOOLS_POST_TIME[ms]: 526, TOOLS_POST_CALL_APPLICATIONS: 209, TOOLS_POST_CALL_TIME[ms]: 1422, TOOLS_POST_RETURN_APPLICATIONS: 172, TOOLS_POST_RETURN_TIME[ms]: 408, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1104, TOOLS_QUANTIFIERELIM_TIME[ms]: 1881, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 137, FLUID_QUERY_TIME[ms]: 38, FLUID_QUERIES: 976, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 213, DOMAIN_JOIN_TIME[ms]: 23275, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 839, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 69, DOMAIN_ISBOTTOM_APPLICATIONS: 165, DOMAIN_ISBOTTOM_TIME[ms]: 442, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 3478, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3477, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 172, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 9137, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9136, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 15, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 132, DAG_COMPRESSION_PROCESSED_NODES: 4095, DAG_COMPRESSION_RETAINED_NODES: 1101 - UnprovableResult [Line: 64]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2602#(and (= ~MPR1~0 5) (= ~UNLOADED~0 0) (<= ~MOUNTDEV_MOUNTED_DEVICE_GUID~0 0) (<= 0 ~DiskController~0) (= ~MPR3~0 6) (<= 0 ~UNLOADED~0) (= ~KernelMode~0 0) (= ~SKIP1~0 3) (<= ~IPC~0 7) (<= 0 ~MaximumInterfaceType~0) (<= ~NP~0 1) (<= 6 ~MPR3~0) (<= ~FloppyDiskPeripheral~0 0) (<= 0 ~PagingMutex~0) (<= 0 ~MOUNTDEV_MOUNTED_DEVICE_GUID~0) (<= 0 ~FloppyDiskPeripheral~0) (<= ~DiskController~0 0) (= ~FloppyDiskPeripheral~0 0) (<= ~KernelMode~0 0) (<= 0 ~FlConfigCallBack~0) (<= 2 ~DC~0) (= ~NP~0 1) (= ~MaximumInterfaceType~0 0) (= ~FlConfigCallBack~0 0) (<= ~SKIP1~0 3) (= ~SKIP2~0 4) (<= ~UNLOADED~0 0) (<= ~MaximumInterfaceType~0 0) (<= 1 ~NP~0) (<= ~Suspended~0 0) (<= 5 ~MPR1~0) (= ~Executive~0 0) (<= ~FlConfigCallBack~0 0) (<= 0 ~Suspended~0) (= ~DC~0 2) (<= 0 ~KernelMode~0) (<= ~MPR3~0 6) (<= ~Executive~0 0) (<= ~MPR1~0 5) (<= ~FloppyThread~0 0) (= ~IPC~0 7) (= ~PagingMutex~0 0) (= ~Suspended~0 0) (= ~FloppyThread~0 0) (<= ~DC~0 2) (<= ~PagingMutex~0 0) (<= 7 ~IPC~0) (= ~DiskController~0 0) (<= 0 ~FloppyThread~0) (<= 0 ~Executive~0) (= ~MOUNTDEV_MOUNTED_DEVICE_GUID~0 0) (<= 4 ~SKIP2~0) (<= 3 ~SKIP1~0) (<= ~SKIP2~0 4)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...