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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 2 --sifa.sizelimitfluid.max.disjunctions 4 -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:02:47,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:02:47,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:02:47,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:02:47,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:02:47,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:02:47,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:02:47,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:02:47,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:02:47,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:02:47,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:02:47,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:02:47,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:02:47,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:02:47,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:02:47,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:02:47,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:02:47,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:02:47,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:02:47,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:02:47,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:02:47,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:02:47,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:02:47,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:02:47,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:02:47,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:02:47,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:02:47,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:02:47,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:02:47,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:02:47,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:02:47,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:02:47,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:02:47,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:02:47,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:02:47,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:02:47,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:02:47,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:02:47,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:02:47,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:02:47,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:02:47,892 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 [2019-09-25 17:02:47,915 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:02:47,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:02:47,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:02:47,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:02:47,918 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:02:47,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:02:47,919 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:02:47,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:02:47,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:02:47,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:02:47,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:02:47,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:02:47,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:02:47,921 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:02:47,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:02:47,922 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:02:47,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:02:47,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:02:47,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:02:47,923 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:02:47,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:02:47,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:02:47,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:02:47,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:02:47,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:02:47,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:02:47,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:02:47,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:02:47,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 4 [2019-09-25 17:02:47,982 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:02:47,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:02:47,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:02:47,999 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:02:48,000 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:02:48,001 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-09-25 17:02:48,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6635d9ad4/190e147cfd82424f974493aef8ac6e0d/FLAGab93a6221 [2019-09-25 17:02:48,683 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:02:48,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4.cil-1.c [2019-09-25 17:02:48,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6635d9ad4/190e147cfd82424f974493aef8ac6e0d/FLAGab93a6221 [2019-09-25 17:02:48,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6635d9ad4/190e147cfd82424f974493aef8ac6e0d [2019-09-25 17:02:48,921 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:02:48,923 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:02:48,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:02:48,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:02:48,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:02:48,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:02:48" (1/1) ... [2019-09-25 17:02:48,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fef2e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:48, skipping insertion in model container [2019-09-25 17:02:48,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:02:48" (1/1) ... [2019-09-25 17:02:48,938 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:02:49,013 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:02:49,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:02:49,539 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:02:49,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:02:49,667 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:02:49,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:49 WrapperNode [2019-09-25 17:02:49,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:02:49,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:02:49,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:02:49,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:02:49,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:49" (1/1) ... [2019-09-25 17:02:49,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:49" (1/1) ... [2019-09-25 17:02:49,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:49" (1/1) ... [2019-09-25 17:02:49,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:49" (1/1) ... [2019-09-25 17:02:49,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:49" (1/1) ... [2019-09-25 17:02:49,747 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:49" (1/1) ... [2019-09-25 17:02:49,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:49" (1/1) ... [2019-09-25 17:02:49,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:02:49,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:02:49,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:02:49,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:02:49,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:02:49" (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 [2019-09-25 17:02:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:02:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:02:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-25 17:02:49,848 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-09-25 17:02:49,849 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-09-25 17:02:49,849 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-09-25 17:02:49,849 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-09-25 17:02:49,850 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-09-25 17:02:49,850 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-09-25 17:02:49,850 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-09-25 17:02:49,851 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-25 17:02:49,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:02:49,851 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-09-25 17:02:49,851 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-09-25 17:02:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-09-25 17:02:49,852 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-09-25 17:02:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-09-25 17:02:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-25 17:02:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-25 17:02:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-25 17:02:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-25 17:02:49,855 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-25 17:02:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-09-25 17:02:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-09-25 17:02:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-09-25 17:02:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2019-09-25 17:02:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2019-09-25 17:02:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2019-09-25 17:02:49,856 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2019-09-25 17:02:49,857 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-25 17:02:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:02:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-25 17:02:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:02:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-25 17:02:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-25 17:02:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-09-25 17:02:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-09-25 17:02:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-09-25 17:02:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-09-25 17:02:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-09-25 17:02:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-09-25 17:02:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-09-25 17:02:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-09-25 17:02:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-09-25 17:02:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-09-25 17:02:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-09-25 17:02:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-25 17:02:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-25 17:02:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-25 17:02:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-09-25 17:02:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-09-25 17:02:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-09-25 17:02:49,860 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2019-09-25 17:02:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2019-09-25 17:02:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2019-09-25 17:02:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2019-09-25 17:02:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-25 17:02:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-25 17:02:49,862 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-25 17:02:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-09-25 17:02:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-25 17:02:49,863 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:02:49,864 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-25 17:02:49,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:02:49,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:02:50,237 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 17:02:50,299 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-25 17:02:50,300 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-25 17:02:50,327 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 17:02:50,338 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-25 17:02:50,339 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-25 17:02:50,346 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 17:02:50,638 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-09-25 17:02:50,638 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-09-25 17:02:50,646 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 17:02:50,754 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2019-09-25 17:02:50,754 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2019-09-25 17:02:50,779 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 17:02:50,814 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-25 17:02:50,814 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-25 17:02:50,898 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 17:02:50,909 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-25 17:02:50,910 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-25 17:02:50,911 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 17:02:50,927 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-25 17:02:50,927 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-25 17:02:50,928 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 17:02:50,943 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-25 17:02:50,943 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-25 17:02:51,036 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 17:02:51,071 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-25 17:02:51,071 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-25 17:02:51,074 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 17:02:51,225 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2019-09-25 17:02:51,225 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2019-09-25 17:02:51,288 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 17:02:51,296 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-25 17:02:51,297 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-25 17:02:51,297 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 17:02:51,322 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-25 17:02:51,323 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-25 17:02:51,323 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-25 17:02:51,334 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-25 17:02:51,334 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-25 17:02:51,816 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:02:51,816 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-25 17:02:51,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:02:51 BoogieIcfgContainer [2019-09-25 17:02:51,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:02:51,818 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:02:51,818 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:02:51,819 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:02:51,820 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:02:51" (1/1) ... [2019-09-25 17:02:51,821 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ 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=4 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:02:51,861 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:02:51,861 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:02:51,883 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:02:51,895 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:02:51,896 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:02:52,130 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 104 for LOIs [2019-09-25 17:02:52,692 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-25 17:02:53,212 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-25 17:02:53,832 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2019-09-25 17:02:55,266 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2019-09-25 17:03:00,454 INFO L199 IcfgInterpreter]: Interpreting procedure FloppyDeviceControl with input of size 86 for LOIs [2019-09-25 17:03:00,654 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 257 [2019-09-25 17:03:00,830 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 252 [2019-09-25 17:03:01,018 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2019-09-25 17:03:01,196 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 255 [2019-09-25 17:03:01,339 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 255 [2019-09-25 17:03:01,507 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 255 [2019-09-25 17:03:01,651 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 255 [2019-09-25 17:03:01,778 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 255 [2019-09-25 17:03:02,894 INFO L199 IcfgInterpreter]: Interpreting procedure FloppyQueueRequest with input of size 82 for LOIs [2019-09-25 17:03:02,917 INFO L199 IcfgInterpreter]: Interpreting procedure FloppyCreateClose with input of size 79 for LOIs [2019-09-25 17:03:02,927 INFO L199 IcfgInterpreter]: Interpreting procedure FloppyPnp with input of size 90 for LOIs [2019-09-25 17:03:04,686 INFO L199 IcfgInterpreter]: Interpreting procedure FloppyStartDevice with input of size 86 for LOIs [2019-09-25 17:03:05,958 INFO L199 IcfgInterpreter]: Interpreting procedure FlFdcDeviceIo with input of size 63 for LOIs [2019-09-25 17:03:05,977 INFO L199 IcfgInterpreter]: Interpreting procedure FlQueueIrpToThread with input of size 54 for LOIs [2019-09-25 17:03:06,013 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 45 for LOIs [2019-09-25 17:03:06,048 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 53 for LOIs [2019-09-25 17:03:06,052 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 57 for LOIs [2019-09-25 17:03:06,055 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 78 for LOIs [2019-09-25 17:03:06,071 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 49 for LOIs [2019-09-25 17:03:06,073 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:03:06,073 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:03:06,075 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2642#(or (not (= ~s~0 ~NP~0)) (and (= ~MPR1~0 5) (= ~UNLOADED~0 0) (= ~IPC~0 7) (= ~PagingMutex~0 0) (= ~Suspended~0 0) (= ~FloppyThread~0 0) (= ~Executive~0 0) (= ~DC~0 2) (= ~FloppyDiskPeripheral~0 0) (= ~DiskController~0 0) (= ~MPR3~0 6) (= ~MaximumInterfaceType~0 0) (= ~NP~0 1) (= ~KernelMode~0 0) (= ~SKIP1~0 3) (= ~FlConfigCallBack~0 0) (= ~MOUNTDEV_MOUNTED_DEVICE_GUID~0 0) (= ~SKIP2~0 4))) [2019-09-25 17:03:06,090 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:03:06,091 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:03:06,093 INFO L168 Benchmark]: Toolchain (without parser) took 17169.48 ms. Allocated memory was 138.9 MB in the beginning and 718.8 MB in the end (delta: 579.9 MB). Free memory was 84.8 MB in the beginning and 118.6 MB in the end (delta: -33.8 MB). Peak memory consumption was 546.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:03:06,094 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:03:06,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.10 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 84.6 MB in the beginning and 160.6 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:03:06,096 INFO L168 Benchmark]: Boogie Preprocessor took 96.64 ms. Allocated memory is still 198.7 MB. Free memory was 160.6 MB in the beginning and 156.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:03:06,097 INFO L168 Benchmark]: RCFGBuilder took 2052.50 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 156.2 MB in the beginning and 96.7 MB in the end (delta: 59.6 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:03:06,098 INFO L168 Benchmark]: Sifa took 14272.48 ms. Allocated memory was 221.8 MB in the beginning and 718.8 MB in the end (delta: 497.0 MB). Free memory was 96.7 MB in the beginning and 118.6 MB in the end (delta: -21.9 MB). Peak memory consumption was 475.1 MB. Max. memory is 7.1 GB. [2019-09-25 17:03:06,102 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 744.10 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 84.6 MB in the beginning and 160.6 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.64 ms. Allocated memory is still 198.7 MB. Free memory was 160.6 MB in the beginning and 156.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2052.50 ms. Allocated memory was 198.7 MB in the beginning and 221.8 MB in the end (delta: 23.1 MB). Free memory was 156.2 MB in the beginning and 96.7 MB in the end (delta: 59.6 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. * Sifa took 14272.48 ms. Allocated memory was 221.8 MB in the beginning and 718.8 MB in the end (delta: 497.0 MB). Free memory was 96.7 MB in the beginning and 118.6 MB in the end (delta: -21.9 MB). Peak memory consumption was 475.1 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]: 14215, ICFG_INTERPRETER_ENTERED_PROCEDURES: 14, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1213, DAG_INTERPRETER_EARLY_EXITS: 19, TOOLS_POST_APPLICATIONS: 975, TOOLS_POST_TIME[ms]: 492, TOOLS_POST_CALL_APPLICATIONS: 217, TOOLS_POST_CALL_TIME[ms]: 1186, TOOLS_POST_RETURN_APPLICATIONS: 168, TOOLS_POST_RETURN_TIME[ms]: 239, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1345, TOOLS_QUANTIFIERELIM_TIME[ms]: 1480, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 171, FLUID_QUERY_TIME[ms]: 37, FLUID_QUERIES: 1223, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 332, DOMAIN_JOIN_TIME[ms]: 11068, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 7, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 129, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 24, DOMAIN_ISBOTTOM_APPLICATIONS: 253, DOMAIN_ISBOTTOM_TIME[ms]: 692, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 450, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 449, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 168, CALL_SUMMARIZER_CACHE_MISSES: 29, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5754, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5752, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 20, REGEX_TO_DAG_TIME[ms]: 12, DAG_COMPRESSION_TIME[ms]: 107, DAG_COMPRESSION_PROCESSED_NODES: 3758, DAG_COMPRESSION_RETAINED_NODES: 1275 - UnprovableResult [Line: 1626]: 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 2642#(or (not (= ~s~0 ~NP~0)) (and (= ~MPR1~0 5) (= ~UNLOADED~0 0) (= ~IPC~0 7) (= ~PagingMutex~0 0) (= ~Suspended~0 0) (= ~FloppyThread~0 0) (= ~Executive~0 0) (= ~DC~0 2) (= ~FloppyDiskPeripheral~0 0) (= ~DiskController~0 0) (= ~MPR3~0 6) (= ~MaximumInterfaceType~0 0) (= ~NP~0 1) (= ~KernelMode~0 0) (= ~SKIP1~0 3) (= ~FlConfigCallBack~0 0) (= ~MOUNTDEV_MOUNTED_DEVICE_GUID~0 0) (= ~SKIP2~0 4))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...