java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 12:36:15,791 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:36:15,794 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:36:15,806 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:36:15,806 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:36:15,807 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:36:15,809 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:36:15,811 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:36:15,812 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:36:15,813 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:36:15,815 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:36:15,816 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:36:15,817 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:36:15,818 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:36:15,821 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:36:15,828 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:36:15,828 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:36:15,833 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:36:15,839 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:36:15,840 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:36:15,843 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:36:15,845 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:36:15,848 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:36:15,849 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:36:15,849 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:36:15,850 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:36:15,850 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:36:15,853 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:36:15,856 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:36:15,858 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:36:15,858 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:36:15,859 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:36:15,859 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:36:15,859 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:36:15,863 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:36:15,863 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:36:15,864 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:36:15,889 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:36:15,890 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:36:15,891 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:36:15,891 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:36:15,892 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:36:15,892 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:36:15,892 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:36:15,892 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:36:15,893 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:36:15,893 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:36:15,893 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:36:15,893 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:36:15,893 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:36:15,894 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:36:15,895 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:36:15,895 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:36:15,895 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:36:15,895 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:36:15,896 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:36:15,896 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:36:15,896 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:36:15,896 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:36:15,896 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:36:15,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:36:15,898 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:36:15,898 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:36:15,898 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:36:15,899 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:36:15,899 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:36:15,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:36:15,899 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:36:15,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:36:15,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:36:15,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:36:15,970 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:36:15,970 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:36:15,971 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 12:36:16,027 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e54079d6/64824f796deb40f9aa34a5d669bd1124/FLAGda8c80446 [2018-11-23 12:36:16,570 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:36:16,572 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 12:36:16,587 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e54079d6/64824f796deb40f9aa34a5d669bd1124/FLAGda8c80446 [2018-11-23 12:36:16,819 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e54079d6/64824f796deb40f9aa34a5d669bd1124 [2018-11-23 12:36:16,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:36:16,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:36:16,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:36:16,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:36:16,839 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:36:16,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:36:16" (1/1) ... [2018-11-23 12:36:16,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0796da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:16, skipping insertion in model container [2018-11-23 12:36:16,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:36:16" (1/1) ... [2018-11-23 12:36:16,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:36:16,934 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:36:17,501 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:36:17,509 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:36:17,656 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:36:17,684 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:36:17,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:17 WrapperNode [2018-11-23 12:36:17,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:36:17,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:36:17,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:36:17,686 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:36:17,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:17" (1/1) ... [2018-11-23 12:36:17,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:17" (1/1) ... [2018-11-23 12:36:17,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:36:17,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:36:17,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:36:17,811 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:36:17,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:17" (1/1) ... [2018-11-23 12:36:17,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:17" (1/1) ... [2018-11-23 12:36:17,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:17" (1/1) ... [2018-11-23 12:36:17,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:17" (1/1) ... [2018-11-23 12:36:17,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:17" (1/1) ... [2018-11-23 12:36:17,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:17" (1/1) ... [2018-11-23 12:36:17,913 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:17" (1/1) ... [2018-11-23 12:36:17,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:36:17,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:36:17,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:36:17,925 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:36:17,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:17" (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 [2018-11-23 12:36:18,023 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2018-11-23 12:36:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2018-11-23 12:36:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2018-11-23 12:36:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2018-11-23 12:36:18,024 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2018-11-23 12:36:18,024 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2018-11-23 12:36:18,025 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2018-11-23 12:36:18,025 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2018-11-23 12:36:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:36:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:36:18,026 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2018-11-23 12:36:18,026 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2018-11-23 12:36:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2018-11-23 12:36:18,027 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2018-11-23 12:36:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2018-11-23 12:36:18,027 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2018-11-23 12:36:18,027 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2018-11-23 12:36:18,030 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2018-11-23 12:36:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2018-11-23 12:36:18,030 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2018-11-23 12:36:18,030 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2018-11-23 12:36:18,030 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2018-11-23 12:36:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2018-11-23 12:36:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2018-11-23 12:36:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2018-11-23 12:36:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2018-11-23 12:36:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2018-11-23 12:36:18,031 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2018-11-23 12:36:18,031 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2018-11-23 12:36:18,032 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2018-11-23 12:36:18,032 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2018-11-23 12:36:18,032 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2018-11-23 12:36:18,033 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2018-11-23 12:36:18,033 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2018-11-23 12:36:18,033 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2018-11-23 12:36:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2018-11-23 12:36:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2018-11-23 12:36:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2018-11-23 12:36:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2018-11-23 12:36:18,034 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2018-11-23 12:36:18,034 INFO L130 BoogieDeclarations]: Found specification of procedure FlCheckFormatParameters [2018-11-23 12:36:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure FlCheckFormatParameters [2018-11-23 12:36:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:36:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:36:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2018-11-23 12:36:18,035 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2018-11-23 12:36:18,035 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2018-11-23 12:36:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2018-11-23 12:36:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2018-11-23 12:36:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2018-11-23 12:36:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:36:18,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:36:18,036 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2018-11-23 12:36:18,037 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2018-11-23 12:36:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2018-11-23 12:36:18,037 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2018-11-23 12:36:18,037 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2018-11-23 12:36:18,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2018-11-23 12:36:18,482 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:36:18,482 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:36:18,606 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:36:18,606 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:36:18,687 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:36:18,687 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:36:19,829 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:36:19,829 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:36:20,119 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:36:20,119 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:36:20,493 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:36:20,494 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:36:20,537 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:36:20,538 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:36:20,570 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:36:20,570 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:36:20,662 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:36:20,662 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:36:20,848 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:36:20,848 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:36:21,535 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:36:21,535 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:36:21,550 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:36:21,551 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:36:21,563 WARN L640 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-11-23 12:36:21,564 WARN L605 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-11-23 12:36:21,687 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:36:21,687 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 12:36:21,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:36:21 BoogieIcfgContainer [2018-11-23 12:36:21,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:36:21,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:36:21,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:36:21,693 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:36:21,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:36:16" (1/3) ... [2018-11-23 12:36:21,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dfef569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:36:21, skipping insertion in model container [2018-11-23 12:36:21,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:17" (2/3) ... [2018-11-23 12:36:21,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dfef569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:36:21, skipping insertion in model container [2018-11-23 12:36:21,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:36:21" (3/3) ... [2018-11-23 12:36:21,696 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy_simpl4_false-unreach-call_true-valid-memsafety_true-termination.cil.c [2018-11-23 12:36:21,707 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:36:21,718 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:36:21,737 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:36:21,777 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:36:21,777 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:36:21,778 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:36:21,778 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:36:21,778 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:36:21,778 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:36:21,778 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:36:21,778 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:36:21,779 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:36:21,813 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states. [2018-11-23 12:36:21,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 12:36:21,821 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:36:21,822 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:36:21,824 INFO L423 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:36:21,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:36:21,830 INFO L82 PathProgramCache]: Analyzing trace with hash 778859383, now seen corresponding path program 1 times [2018-11-23 12:36:21,832 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:36:21,832 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:36:21,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:21,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:36:21,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:36:22,297 INFO L256 TraceCheckUtils]: 0: Hoare triple {393#true} call ULTIMATE.init(); {393#true} is VALID [2018-11-23 12:36:22,302 INFO L273 TraceCheckUtils]: 1: Hoare triple {393#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {393#true} is VALID [2018-11-23 12:36:22,303 INFO L273 TraceCheckUtils]: 2: Hoare triple {393#true} assume true; {393#true} is VALID [2018-11-23 12:36:22,303 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {393#true} {393#true} #1155#return; {393#true} is VALID [2018-11-23 12:36:22,304 INFO L256 TraceCheckUtils]: 4: Hoare triple {393#true} call #t~ret166 := main(); {393#true} is VALID [2018-11-23 12:36:22,317 INFO L273 TraceCheckUtils]: 5: Hoare triple {393#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {395#(<= 0 main_~status~1)} is VALID [2018-11-23 12:36:22,318 INFO L256 TraceCheckUtils]: 6: Hoare triple {395#(<= 0 main_~status~1)} call _BLAST_init(); {393#true} is VALID [2018-11-23 12:36:22,319 INFO L273 TraceCheckUtils]: 7: Hoare triple {393#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {393#true} is VALID [2018-11-23 12:36:22,319 INFO L273 TraceCheckUtils]: 8: Hoare triple {393#true} assume true; {393#true} is VALID [2018-11-23 12:36:22,332 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {393#true} {395#(<= 0 main_~status~1)} #1063#return; {395#(<= 0 main_~status~1)} is VALID [2018-11-23 12:36:22,351 INFO L273 TraceCheckUtils]: 10: Hoare triple {395#(<= 0 main_~status~1)} assume !(~status~1 >= 0); {394#false} is VALID [2018-11-23 12:36:22,351 INFO L273 TraceCheckUtils]: 11: Hoare triple {394#false} assume !(1 == ~pended~0); {394#false} is VALID [2018-11-23 12:36:22,352 INFO L273 TraceCheckUtils]: 12: Hoare triple {394#false} assume !(1 == ~pended~0); {394#false} is VALID [2018-11-23 12:36:22,352 INFO L273 TraceCheckUtils]: 13: Hoare triple {394#false} assume ~s~0 != ~UNLOADED~0; {394#false} is VALID [2018-11-23 12:36:22,353 INFO L273 TraceCheckUtils]: 14: Hoare triple {394#false} assume -1 != ~status~1; {394#false} is VALID [2018-11-23 12:36:22,353 INFO L273 TraceCheckUtils]: 15: Hoare triple {394#false} assume !(~s~0 != ~SKIP2~0); {394#false} is VALID [2018-11-23 12:36:22,353 INFO L273 TraceCheckUtils]: 16: Hoare triple {394#false} assume 1 == ~pended~0; {394#false} is VALID [2018-11-23 12:36:22,354 INFO L273 TraceCheckUtils]: 17: Hoare triple {394#false} assume 259 != ~status~1; {394#false} is VALID [2018-11-23 12:36:22,354 INFO L256 TraceCheckUtils]: 18: Hoare triple {394#false} call errorFn(); {394#false} is VALID [2018-11-23 12:36:22,354 INFO L273 TraceCheckUtils]: 19: Hoare triple {394#false} assume !false; {394#false} is VALID [2018-11-23 12:36:22,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:36:22,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:36:22,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:36:22,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-23 12:36:22,371 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:36:22,375 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:36:22,490 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:36:22,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:36:22,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:36:22,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:36:22,501 INFO L87 Difference]: Start difference. First operand 390 states. Second operand 3 states. [2018-11-23 12:36:24,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:24,377 INFO L93 Difference]: Finished difference Result 626 states and 913 transitions. [2018-11-23 12:36:24,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:36:24,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-11-23 12:36:24,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:36:24,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:36:24,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 913 transitions. [2018-11-23 12:36:24,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:36:24,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 913 transitions. [2018-11-23 12:36:24,451 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 913 transitions. [2018-11-23 12:36:25,851 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 913 edges. 913 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:36:25,901 INFO L225 Difference]: With dead ends: 626 [2018-11-23 12:36:25,901 INFO L226 Difference]: Without dead ends: 382 [2018-11-23 12:36:25,911 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:36:25,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-23 12:36:26,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-11-23 12:36:26,147 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:36:26,149 INFO L82 GeneralOperation]: Start isEquivalent. First operand 382 states. Second operand 382 states. [2018-11-23 12:36:26,149 INFO L74 IsIncluded]: Start isIncluded. First operand 382 states. Second operand 382 states. [2018-11-23 12:36:26,149 INFO L87 Difference]: Start difference. First operand 382 states. Second operand 382 states. [2018-11-23 12:36:26,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:26,174 INFO L93 Difference]: Finished difference Result 382 states and 526 transitions. [2018-11-23 12:36:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 526 transitions. [2018-11-23 12:36:26,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:36:26,182 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:36:26,182 INFO L74 IsIncluded]: Start isIncluded. First operand 382 states. Second operand 382 states. [2018-11-23 12:36:26,183 INFO L87 Difference]: Start difference. First operand 382 states. Second operand 382 states. [2018-11-23 12:36:26,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:26,206 INFO L93 Difference]: Finished difference Result 382 states and 526 transitions. [2018-11-23 12:36:26,206 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 526 transitions. [2018-11-23 12:36:26,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:36:26,209 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:36:26,209 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:36:26,210 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:36:26,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-23 12:36:26,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 526 transitions. [2018-11-23 12:36:26,238 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 526 transitions. Word has length 20 [2018-11-23 12:36:26,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:36:26,239 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 526 transitions. [2018-11-23 12:36:26,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:36:26,239 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 526 transitions. [2018-11-23 12:36:26,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 12:36:26,241 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:36:26,241 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:36:26,241 INFO L423 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:36:26,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:36:26,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1420696150, now seen corresponding path program 1 times [2018-11-23 12:36:26,242 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:36:26,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:36:26,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:26,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:36:26,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:36:26,524 INFO L256 TraceCheckUtils]: 0: Hoare triple {2534#true} call ULTIMATE.init(); {2534#true} is VALID [2018-11-23 12:36:26,524 INFO L273 TraceCheckUtils]: 1: Hoare triple {2534#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {2534#true} is VALID [2018-11-23 12:36:26,525 INFO L273 TraceCheckUtils]: 2: Hoare triple {2534#true} assume true; {2534#true} is VALID [2018-11-23 12:36:26,525 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2534#true} {2534#true} #1155#return; {2534#true} is VALID [2018-11-23 12:36:26,526 INFO L256 TraceCheckUtils]: 4: Hoare triple {2534#true} call #t~ret166 := main(); {2534#true} is VALID [2018-11-23 12:36:26,526 INFO L273 TraceCheckUtils]: 5: Hoare triple {2534#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {2534#true} is VALID [2018-11-23 12:36:26,526 INFO L256 TraceCheckUtils]: 6: Hoare triple {2534#true} call _BLAST_init(); {2534#true} is VALID [2018-11-23 12:36:26,527 INFO L273 TraceCheckUtils]: 7: Hoare triple {2534#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {2534#true} is VALID [2018-11-23 12:36:26,527 INFO L273 TraceCheckUtils]: 8: Hoare triple {2534#true} assume true; {2534#true} is VALID [2018-11-23 12:36:26,528 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {2534#true} {2534#true} #1063#return; {2534#true} is VALID [2018-11-23 12:36:26,530 INFO L273 TraceCheckUtils]: 10: Hoare triple {2534#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {2536#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:36:26,531 INFO L273 TraceCheckUtils]: 11: Hoare triple {2536#(= ~s~0 ~NP~0)} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {2536#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:36:26,531 INFO L256 TraceCheckUtils]: 12: Hoare triple {2536#(= ~s~0 ~NP~0)} call stub_driver_init(); {2534#true} is VALID [2018-11-23 12:36:26,531 INFO L273 TraceCheckUtils]: 13: Hoare triple {2534#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {2536#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:36:26,533 INFO L273 TraceCheckUtils]: 14: Hoare triple {2536#(= ~s~0 ~NP~0)} assume true; {2536#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:36:26,535 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {2536#(= ~s~0 ~NP~0)} {2536#(= ~s~0 ~NP~0)} #1065#return; {2536#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:36:26,535 INFO L273 TraceCheckUtils]: 16: Hoare triple {2536#(= ~s~0 ~NP~0)} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {2536#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:36:26,537 INFO L273 TraceCheckUtils]: 17: Hoare triple {2536#(= ~s~0 ~NP~0)} assume 0 == ~tmp_ndt_1~0; {2536#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:36:26,537 INFO L256 TraceCheckUtils]: 18: Hoare triple {2536#(= ~s~0 ~NP~0)} call #t~ret93 := FloppyCreateClose(~devobj~0, ~pirp~0); {2536#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:36:26,539 INFO L273 TraceCheckUtils]: 19: Hoare triple {2536#(= ~s~0 ~NP~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~Irp__IoStatus__Status~3;havoc ~Irp__IoStatus__Information~2;~myStatus~0 := 0;~Irp__IoStatus__Status~3 := 0;~Irp__IoStatus__Information~2 := 1; {2536#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:36:26,539 INFO L256 TraceCheckUtils]: 20: Hoare triple {2536#(= ~s~0 ~NP~0)} call IofCompleteRequest(~Irp, 0); {2536#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:36:26,541 INFO L273 TraceCheckUtils]: 21: Hoare triple {2536#(= ~s~0 ~NP~0)} ~Irp := #in~Irp;~PriorityBoost := #in~PriorityBoost; {2536#(= ~s~0 ~NP~0)} is VALID [2018-11-23 12:36:26,541 INFO L273 TraceCheckUtils]: 22: Hoare triple {2536#(= ~s~0 ~NP~0)} assume !(~s~0 == ~NP~0); {2535#false} is VALID [2018-11-23 12:36:26,541 INFO L256 TraceCheckUtils]: 23: Hoare triple {2535#false} call errorFn(); {2535#false} is VALID [2018-11-23 12:36:26,541 INFO L273 TraceCheckUtils]: 24: Hoare triple {2535#false} assume !false; {2535#false} is VALID [2018-11-23 12:36:26,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:36:26,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:36:26,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:36:26,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-23 12:36:26,547 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:36:26,547 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:36:26,601 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:36:26,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:36:26,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:36:26,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:36:26,602 INFO L87 Difference]: Start difference. First operand 382 states and 526 transitions. Second operand 3 states. [2018-11-23 12:36:28,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:28,845 INFO L93 Difference]: Finished difference Result 705 states and 959 transitions. [2018-11-23 12:36:28,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:36:28,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2018-11-23 12:36:28,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:36:28,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:36:28,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 959 transitions. [2018-11-23 12:36:28,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:36:28,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 959 transitions. [2018-11-23 12:36:28,879 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 959 transitions. [2018-11-23 12:36:29,981 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 959 edges. 959 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:36:30,013 INFO L225 Difference]: With dead ends: 705 [2018-11-23 12:36:30,013 INFO L226 Difference]: Without dead ends: 540 [2018-11-23 12:36:30,015 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:36:30,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2018-11-23 12:36:30,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 521. [2018-11-23 12:36:30,823 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:36:30,823 INFO L82 GeneralOperation]: Start isEquivalent. First operand 540 states. Second operand 521 states. [2018-11-23 12:36:30,823 INFO L74 IsIncluded]: Start isIncluded. First operand 540 states. Second operand 521 states. [2018-11-23 12:36:30,823 INFO L87 Difference]: Start difference. First operand 540 states. Second operand 521 states. [2018-11-23 12:36:30,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:30,853 INFO L93 Difference]: Finished difference Result 540 states and 733 transitions. [2018-11-23 12:36:30,853 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 733 transitions. [2018-11-23 12:36:30,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:36:30,856 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:36:30,857 INFO L74 IsIncluded]: Start isIncluded. First operand 521 states. Second operand 540 states. [2018-11-23 12:36:30,857 INFO L87 Difference]: Start difference. First operand 521 states. Second operand 540 states. [2018-11-23 12:36:30,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:30,891 INFO L93 Difference]: Finished difference Result 540 states and 733 transitions. [2018-11-23 12:36:30,891 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 733 transitions. [2018-11-23 12:36:30,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:36:30,894 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:36:30,894 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:36:30,895 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:36:30,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2018-11-23 12:36:30,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 709 transitions. [2018-11-23 12:36:30,927 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 709 transitions. Word has length 25 [2018-11-23 12:36:30,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:36:30,927 INFO L480 AbstractCegarLoop]: Abstraction has 521 states and 709 transitions. [2018-11-23 12:36:30,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:36:30,927 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 709 transitions. [2018-11-23 12:36:30,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 12:36:30,929 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:36:30,929 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:36:30,929 INFO L423 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:36:30,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:36:30,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1219018070, now seen corresponding path program 1 times [2018-11-23 12:36:30,930 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:36:30,930 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:36:30,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:30,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:36:30,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:36:31,443 INFO L256 TraceCheckUtils]: 0: Hoare triple {5291#true} call ULTIMATE.init(); {5291#true} is VALID [2018-11-23 12:36:31,443 INFO L273 TraceCheckUtils]: 1: Hoare triple {5291#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {5291#true} is VALID [2018-11-23 12:36:31,444 INFO L273 TraceCheckUtils]: 2: Hoare triple {5291#true} assume true; {5291#true} is VALID [2018-11-23 12:36:31,444 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {5291#true} {5291#true} #1155#return; {5291#true} is VALID [2018-11-23 12:36:31,444 INFO L256 TraceCheckUtils]: 4: Hoare triple {5291#true} call #t~ret166 := main(); {5291#true} is VALID [2018-11-23 12:36:31,444 INFO L273 TraceCheckUtils]: 5: Hoare triple {5291#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {5291#true} is VALID [2018-11-23 12:36:31,445 INFO L256 TraceCheckUtils]: 6: Hoare triple {5291#true} call _BLAST_init(); {5291#true} is VALID [2018-11-23 12:36:31,445 INFO L273 TraceCheckUtils]: 7: Hoare triple {5291#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {5291#true} is VALID [2018-11-23 12:36:31,445 INFO L273 TraceCheckUtils]: 8: Hoare triple {5291#true} assume true; {5291#true} is VALID [2018-11-23 12:36:31,445 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {5291#true} {5291#true} #1063#return; {5291#true} is VALID [2018-11-23 12:36:31,446 INFO L273 TraceCheckUtils]: 10: Hoare triple {5291#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {5291#true} is VALID [2018-11-23 12:36:31,446 INFO L273 TraceCheckUtils]: 11: Hoare triple {5291#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {5291#true} is VALID [2018-11-23 12:36:31,446 INFO L256 TraceCheckUtils]: 12: Hoare triple {5291#true} call stub_driver_init(); {5291#true} is VALID [2018-11-23 12:36:31,455 INFO L273 TraceCheckUtils]: 13: Hoare triple {5291#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {5293#(= 0 ~pended~0)} is VALID [2018-11-23 12:36:31,468 INFO L273 TraceCheckUtils]: 14: Hoare triple {5293#(= 0 ~pended~0)} assume true; {5293#(= 0 ~pended~0)} is VALID [2018-11-23 12:36:31,481 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {5293#(= 0 ~pended~0)} {5291#true} #1065#return; {5293#(= 0 ~pended~0)} is VALID [2018-11-23 12:36:31,483 INFO L273 TraceCheckUtils]: 16: Hoare triple {5293#(= 0 ~pended~0)} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {5293#(= 0 ~pended~0)} is VALID [2018-11-23 12:36:31,486 INFO L273 TraceCheckUtils]: 17: Hoare triple {5293#(= 0 ~pended~0)} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {5293#(= 0 ~pended~0)} is VALID [2018-11-23 12:36:31,488 INFO L273 TraceCheckUtils]: 18: Hoare triple {5293#(= 0 ~pended~0)} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {5293#(= 0 ~pended~0)} is VALID [2018-11-23 12:36:31,488 INFO L273 TraceCheckUtils]: 19: Hoare triple {5293#(= 0 ~pended~0)} assume 2 == ~tmp_ndt_3~0; {5293#(= 0 ~pended~0)} is VALID [2018-11-23 12:36:31,489 INFO L256 TraceCheckUtils]: 20: Hoare triple {5293#(= 0 ~pended~0)} call #t~ret95 := FloppyDeviceControl(~devobj~0, ~pirp~0); {5293#(= 0 ~pended~0)} is VALID [2018-11-23 12:36:31,490 INFO L273 TraceCheckUtils]: 21: Hoare triple {5293#(= 0 ~pended~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet112 && #t~nondet112 <= 2147483647;~disketteExtension__HoldNewRequests~2 := #t~nondet112;havoc #t~nondet112;assume -2147483648 <= #t~nondet113 && #t~nondet113 <= 2147483647;~disketteExtension__IsRemoved~1 := #t~nondet113;havoc #t~nondet113;havoc ~Irp__IoStatus__Information~3;assume -2147483648 <= #t~nondet114 && #t~nondet114 <= 2147483647;~disketteExtension__IsStarted~2 := #t~nondet114;havoc #t~nondet114;assume -2147483648 <= #t~nondet115 && #t~nondet115 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet115;havoc #t~nondet115;assume -2147483648 <= #t~nondet116 && #t~nondet116 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~2 := #t~nondet116;havoc #t~nondet116;assume -2147483648 <= #t~nondet117 && #t~nondet117 <= 2147483647;~disketteExtension__TargetObject~2 := #t~nondet117;havoc #t~nondet117;assume -2147483648 <= #t~nondet118 && #t~nondet118 <= 2147483647;~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 := #t~nondet118;havoc #t~nondet118;assume -2147483648 <= #t~nondet119 && #t~nondet119 <= 2147483647;~sizeof__MOUNTDEV_NAME~0 := #t~nondet119;havoc #t~nondet119;assume -2147483648 <= #t~nondet120 && #t~nondet120 <= 2147483647;~Irp__AssociatedIrp__SystemBuffer~0 := #t~nondet120;havoc #t~nondet120;havoc ~mountName__NameLength~0;assume -2147483648 <= #t~nondet121 && #t~nondet121 <= 2147483647;~disketteExtension__DeviceName__Length~0 := #t~nondet121;havoc #t~nondet121;assume -2147483648 <= #t~nondet122 && #t~nondet122 <= 2147483647;~sizeof__USHORT~0 := #t~nondet122;havoc #t~nondet122;assume -2147483648 <= #t~nondet123 && #t~nondet123 <= 2147483647;~disketteExtension__InterfaceString__Buffer~1 := #t~nondet123;havoc #t~nondet123;havoc ~uniqueId__UniqueIdLength~0;assume -2147483648 <= #t~nondet124 && #t~nondet124 <= 2147483647;~disketteExtension__InterfaceString__Length~0 := #t~nondet124;havoc #t~nondet124;assume -2147483648 <= #t~nondet125 && #t~nondet125 <= 2147483647;~sizeof__MOUNTDEV_UNIQUE_ID~0 := #t~nondet125;havoc #t~nondet125;assume -2147483648 <= #t~nondet126 && #t~nondet126 <= 2147483647;~irpSp__Parameters__DeviceIoControl__InputBufferLength~0 := #t~nondet126;havoc #t~nondet126;assume -2147483648 <= #t~nondet127 && #t~nondet127 <= 2147483647;~sizeof__FORMAT_PARAMETERS~0 := #t~nondet127;havoc #t~nondet127;assume -2147483648 <= #t~nondet128 && #t~nondet128 <= 2147483647;~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 := #t~nondet128;havoc #t~nondet128;assume -2147483648 <= #t~nondet129 && #t~nondet129 <= 2147483647;~sizeof__FORMAT_EX_PARAMETERS~0 := #t~nondet129;havoc #t~nondet129;assume -2147483648 <= #t~nondet130 && #t~nondet130 <= 2147483647;~formatExParameters__FormatGapLength~0 := #t~nondet130;havoc #t~nondet130;assume -2147483648 <= #t~nondet131 && #t~nondet131 <= 2147483647;~formatExParameters__SectorsPerTrack~0 := #t~nondet131;havoc #t~nondet131;assume -2147483648 <= #t~nondet132 && #t~nondet132 <= 2147483647;~sizeof__DISK_GEOMETRY~0 := #t~nondet132;havoc #t~nondet132;havoc ~Irp__IoStatus__Status___0~0;assume -2147483648 <= #t~nondet133 && #t~nondet133 <= 2147483647;~disketteExtension~2 := #t~nondet133;havoc #t~nondet133;havoc ~ntStatus~3;havoc ~outputBufferLength~0;assume -2147483648 <= #t~nondet134 && #t~nondet134 <= 2147483647;~lowestDriveMediaType~0 := #t~nondet134;havoc #t~nondet134;assume -2147483648 <= #t~nondet135 && #t~nondet135 <= 2147483647;~highestDriveMediaType~0 := #t~nondet135;havoc #t~nondet135;assume -2147483648 <= #t~nondet136 && #t~nondet136 <= 2147483647;~formatExParametersSize~0 := #t~nondet136;havoc #t~nondet136;havoc ~formatExParameters~0;havoc ~tmp~0;havoc ~mountName~0;havoc ~uniqueId~0;havoc ~tmp___0~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;assume -2147483648 <= #t~nondet137 && #t~nondet137 <= 2147483647;~__cil_tmp41~0 := #t~nondet137;havoc #t~nondet137;havoc ~__cil_tmp42~1;havoc ~__cil_tmp43~1;assume -2147483648 <= #t~nondet138 && #t~nondet138 <= 2147483647;~__cil_tmp44~1 := #t~nondet138;havoc #t~nondet138;assume -2147483648 <= #t~nondet139 && #t~nondet139 <= 2147483647;~__cil_tmp45~1 := #t~nondet139;havoc #t~nondet139;havoc ~__cil_tmp46~1;havoc ~__cil_tmp47~1;havoc ~__cil_tmp48~1;havoc ~__cil_tmp49~1;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~__cil_tmp50~0 := #t~nondet140;havoc #t~nondet140;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~__cil_tmp55~0 := #t~nondet141;havoc #t~nondet141;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;assume -2147483648 <= #t~nondet142 && #t~nondet142 <= 2147483647;~__cil_tmp60~0 := #t~nondet142;havoc #t~nondet142;havoc ~__cil_tmp61~0;havoc ~__cil_tmp62~0;havoc ~__cil_tmp63~0;havoc ~__cil_tmp64~0;assume -2147483648 <= #t~nondet143 && #t~nondet143 <= 2147483647;~__cil_tmp65~0 := #t~nondet143;havoc #t~nondet143;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~__cil_tmp66~0 := #t~nondet144;havoc #t~nondet144;havoc ~__cil_tmp67~0;havoc ~__cil_tmp68~0;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~__cil_tmp69~0 := #t~nondet145;havoc #t~nondet145;havoc ~__cil_tmp70~0;havoc ~__cil_tmp71~0;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~__cil_tmp72~0 := #t~nondet146;havoc #t~nondet146;havoc ~__cil_tmp73~0;havoc ~__cil_tmp74~0;assume -2147483648 <= #t~nondet147 && #t~nondet147 <= 2147483647;~__cil_tmp75~0 := #t~nondet147;havoc #t~nondet147;havoc ~__cil_tmp76~0;havoc ~__cil_tmp77~0;assume -2147483648 <= #t~nondet148 && #t~nondet148 <= 2147483647;~__cil_tmp78~0 := #t~nondet148;havoc #t~nondet148;havoc ~__cil_tmp79~0;havoc ~__cil_tmp80~0;assume -2147483648 <= #t~nondet149 && #t~nondet149 <= 2147483647;~__cil_tmp81~0 := #t~nondet149;havoc #t~nondet149;havoc ~__cil_tmp82~0;havoc ~__cil_tmp83~0;havoc ~__cil_tmp84~0;havoc ~__cil_tmp85~0;havoc ~__cil_tmp86~0;havoc ~__cil_tmp87~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~__cil_tmp88~0 := #t~nondet150;havoc #t~nondet150;havoc ~__cil_tmp89~0;havoc ~__cil_tmp90~0;havoc ~__cil_tmp91~0; {5293#(= 0 ~pended~0)} is VALID [2018-11-23 12:36:31,500 INFO L273 TraceCheckUtils]: 22: Hoare triple {5293#(= 0 ~pended~0)} assume 0 != ~disketteExtension__HoldNewRequests~2; {5293#(= 0 ~pended~0)} is VALID [2018-11-23 12:36:31,501 INFO L273 TraceCheckUtils]: 23: Hoare triple {5293#(= 0 ~pended~0)} assume ~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 != ~__cil_tmp41~0; {5293#(= 0 ~pended~0)} is VALID [2018-11-23 12:36:31,501 INFO L256 TraceCheckUtils]: 24: Hoare triple {5293#(= 0 ~pended~0)} call #t~ret151 := FloppyQueueRequest(~disketteExtension~2, ~Irp); {5293#(= 0 ~pended~0)} is VALID [2018-11-23 12:36:31,502 INFO L273 TraceCheckUtils]: 25: Hoare triple {5293#(= 0 ~pended~0)} ~DisketteExtension := #in~DisketteExtension;~Irp := #in~Irp;havoc ~Irp__IoStatus__Status~4;havoc ~Irp__IoStatus__Information~4;havoc ~Irp__Tail__Overlay__CurrentStackLocation__Control~1;havoc ~ntStatus~4;assume -2147483648 <= #t~nondet163 && #t~nondet163 <= 2147483647;~FAKE_CONDITION~1 := #t~nondet163;havoc #t~nondet163;#t~post164 := ~PagingReferenceCount~0;~PagingReferenceCount~0 := 1 + #t~post164;havoc #t~post164; {5293#(= 0 ~pended~0)} is VALID [2018-11-23 12:36:31,502 INFO L273 TraceCheckUtils]: 26: Hoare triple {5293#(= 0 ~pended~0)} assume 1 == ~PagingReferenceCount~0; {5293#(= 0 ~pended~0)} is VALID [2018-11-23 12:36:31,503 INFO L273 TraceCheckUtils]: 27: Hoare triple {5293#(= 0 ~pended~0)} assume !(0 != ~FAKE_CONDITION~1);~Irp__IoStatus__Status~4 := 259;~myStatus~0 := 259; {5293#(= 0 ~pended~0)} is VALID [2018-11-23 12:36:31,503 INFO L273 TraceCheckUtils]: 28: Hoare triple {5293#(= 0 ~pended~0)} assume !(0 == ~pended~0); {5292#false} is VALID [2018-11-23 12:36:31,503 INFO L256 TraceCheckUtils]: 29: Hoare triple {5292#false} call errorFn(); {5292#false} is VALID [2018-11-23 12:36:31,504 INFO L273 TraceCheckUtils]: 30: Hoare triple {5292#false} assume !false; {5292#false} is VALID [2018-11-23 12:36:31,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:36:31,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:36:31,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:36:31,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-23 12:36:31,507 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:36:31,507 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:36:31,546 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:36:31,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:36:31,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:36:31,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:36:31,548 INFO L87 Difference]: Start difference. First operand 521 states and 709 transitions. Second operand 3 states. [2018-11-23 12:36:33,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:33,846 INFO L93 Difference]: Finished difference Result 646 states and 866 transitions. [2018-11-23 12:36:33,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:36:33,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-11-23 12:36:33,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:36:33,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:36:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2018-11-23 12:36:33,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:36:33,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2018-11-23 12:36:33,869 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 651 transitions. [2018-11-23 12:36:34,701 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 651 edges. 651 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:36:34,734 INFO L225 Difference]: With dead ends: 646 [2018-11-23 12:36:34,734 INFO L226 Difference]: Without dead ends: 625 [2018-11-23 12:36:34,735 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:36:34,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2018-11-23 12:36:35,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 585. [2018-11-23 12:36:35,535 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:36:35,535 INFO L82 GeneralOperation]: Start isEquivalent. First operand 625 states. Second operand 585 states. [2018-11-23 12:36:35,535 INFO L74 IsIncluded]: Start isIncluded. First operand 625 states. Second operand 585 states. [2018-11-23 12:36:35,535 INFO L87 Difference]: Start difference. First operand 625 states. Second operand 585 states. [2018-11-23 12:36:35,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:35,568 INFO L93 Difference]: Finished difference Result 625 states and 835 transitions. [2018-11-23 12:36:35,568 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 835 transitions. [2018-11-23 12:36:35,571 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:36:35,572 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:36:35,572 INFO L74 IsIncluded]: Start isIncluded. First operand 585 states. Second operand 625 states. [2018-11-23 12:36:35,572 INFO L87 Difference]: Start difference. First operand 585 states. Second operand 625 states. [2018-11-23 12:36:35,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:35,603 INFO L93 Difference]: Finished difference Result 625 states and 835 transitions. [2018-11-23 12:36:35,603 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 835 transitions. [2018-11-23 12:36:35,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:36:35,606 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:36:35,606 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:36:35,606 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:36:35,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2018-11-23 12:36:35,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 792 transitions. [2018-11-23 12:36:35,638 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 792 transitions. Word has length 31 [2018-11-23 12:36:35,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:36:35,638 INFO L480 AbstractCegarLoop]: Abstraction has 585 states and 792 transitions. [2018-11-23 12:36:35,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:36:35,639 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 792 transitions. [2018-11-23 12:36:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 12:36:35,640 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:36:35,640 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:36:35,640 INFO L423 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:36:35,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:36:35,641 INFO L82 PathProgramCache]: Analyzing trace with hash 401481508, now seen corresponding path program 1 times [2018-11-23 12:36:35,642 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:36:35,642 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:36:35,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:35,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:36:35,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:36:36,044 INFO L256 TraceCheckUtils]: 0: Hoare triple {8208#true} call ULTIMATE.init(); {8208#true} is VALID [2018-11-23 12:36:36,044 INFO L273 TraceCheckUtils]: 1: Hoare triple {8208#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {8208#true} is VALID [2018-11-23 12:36:36,045 INFO L273 TraceCheckUtils]: 2: Hoare triple {8208#true} assume true; {8208#true} is VALID [2018-11-23 12:36:36,046 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {8208#true} {8208#true} #1155#return; {8208#true} is VALID [2018-11-23 12:36:36,046 INFO L256 TraceCheckUtils]: 4: Hoare triple {8208#true} call #t~ret166 := main(); {8208#true} is VALID [2018-11-23 12:36:36,046 INFO L273 TraceCheckUtils]: 5: Hoare triple {8208#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {8208#true} is VALID [2018-11-23 12:36:36,046 INFO L256 TraceCheckUtils]: 6: Hoare triple {8208#true} call _BLAST_init(); {8208#true} is VALID [2018-11-23 12:36:36,047 INFO L273 TraceCheckUtils]: 7: Hoare triple {8208#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {8208#true} is VALID [2018-11-23 12:36:36,047 INFO L273 TraceCheckUtils]: 8: Hoare triple {8208#true} assume true; {8208#true} is VALID [2018-11-23 12:36:36,047 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {8208#true} {8208#true} #1063#return; {8208#true} is VALID [2018-11-23 12:36:36,047 INFO L273 TraceCheckUtils]: 10: Hoare triple {8208#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {8208#true} is VALID [2018-11-23 12:36:36,048 INFO L273 TraceCheckUtils]: 11: Hoare triple {8208#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {8208#true} is VALID [2018-11-23 12:36:36,048 INFO L256 TraceCheckUtils]: 12: Hoare triple {8208#true} call stub_driver_init(); {8208#true} is VALID [2018-11-23 12:36:36,055 INFO L273 TraceCheckUtils]: 13: Hoare triple {8208#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,055 INFO L273 TraceCheckUtils]: 14: Hoare triple {8210#(= 0 ~compRegistered~0)} assume true; {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,056 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {8210#(= 0 ~compRegistered~0)} {8208#true} #1065#return; {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,057 INFO L273 TraceCheckUtils]: 16: Hoare triple {8210#(= 0 ~compRegistered~0)} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,057 INFO L273 TraceCheckUtils]: 17: Hoare triple {8210#(= 0 ~compRegistered~0)} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,059 INFO L273 TraceCheckUtils]: 18: Hoare triple {8210#(= 0 ~compRegistered~0)} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,059 INFO L273 TraceCheckUtils]: 19: Hoare triple {8210#(= 0 ~compRegistered~0)} assume !(2 == ~tmp_ndt_3~0);havoc ~tmp_ndt_4~0;assume -2147483648 <= #t~nondet92 && #t~nondet92 <= 2147483647;~tmp_ndt_4~0 := #t~nondet92;havoc #t~nondet92; {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,061 INFO L273 TraceCheckUtils]: 20: Hoare triple {8210#(= 0 ~compRegistered~0)} assume 3 == ~tmp_ndt_4~0; {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,063 INFO L256 TraceCheckUtils]: 21: Hoare triple {8210#(= 0 ~compRegistered~0)} call #t~ret96 := FloppyPnp(~devobj~0, ~pirp~0); {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,063 INFO L273 TraceCheckUtils]: 22: Hoare triple {8210#(= 0 ~compRegistered~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;~DeviceObject__DeviceExtension~0 := #t~nondet12;havoc #t~nondet12;assume -2147483648 <= #t~nondet13 && #t~nondet13 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet13;havoc #t~nondet13;havoc ~Irp__IoStatus__Information~1;havoc ~Irp__IoStatus__Status~1;assume -2147483648 <= #t~nondet14 && #t~nondet14 <= 2147483647;~Irp__CurrentLocation~0 := #t~nondet14;havoc #t~nondet14;assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647;~disketteExtension__IsRemoved~0 := #t~nondet15;havoc #t~nondet15;assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647;~disketteExtension__IsStarted~0 := #t~nondet16;havoc #t~nondet16;assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~disketteExtension__TargetObject~0 := #t~nondet17;havoc #t~nondet17;havoc ~disketteExtension__HoldNewRequests~0;assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~disketteExtension__FloppyThread~0 := #t~nondet18;havoc #t~nondet18;assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~disketteExtension__InterfaceString__Buffer~0 := #t~nondet19;havoc #t~nondet19;assume -2147483648 <= #t~nondet20 && #t~nondet20 <= 2147483647;~disketteExtension__InterfaceString~0 := #t~nondet20;havoc #t~nondet20;assume -2147483648 <= #t~nondet21 && #t~nondet21 <= 2147483647;~disketteExtension__ArcName__Length~0 := #t~nondet21;havoc #t~nondet21;assume -2147483648 <= #t~nondet22 && #t~nondet22 <= 2147483647;~disketteExtension__ArcName~0 := #t~nondet22;havoc #t~nondet22;assume -2147483648 <= #t~nondet23 && #t~nondet23 <= 2147483647;~irpSp__MinorFunction~0 := #t~nondet23;havoc #t~nondet23;assume -2147483648 <= #t~nondet24 && #t~nondet24 <= 2147483647;~IoGetConfigurationInformation__FloppyCount~0 := #t~nondet24;havoc #t~nondet24;havoc ~irpSp~0;havoc ~disketteExtension~0;havoc ~ntStatus~0;assume -2147483648 <= #t~nondet25 && #t~nondet25 <= 2147483647;~doneEvent~0 := #t~nondet25;havoc #t~nondet25;havoc ~irpSp___0~0;havoc ~nextIrpSp~0;havoc ~nextIrpSp__Control~0;havoc ~irpSp___1~0;havoc ~irpSp__Context~0;havoc ~irpSp__Control~0;havoc ~__cil_tmp29~0;havoc ~__cil_tmp30~0;~ntStatus~0 := 0;#t~post26 := ~PagingReferenceCount~0;~PagingReferenceCount~0 := 1 + #t~post26;havoc #t~post26; {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,073 INFO L273 TraceCheckUtils]: 23: Hoare triple {8210#(= 0 ~compRegistered~0)} assume 1 == ~PagingReferenceCount~0; {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,074 INFO L273 TraceCheckUtils]: 24: Hoare triple {8210#(= 0 ~compRegistered~0)} ~disketteExtension~0 := ~DeviceObject__DeviceExtension~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0; {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,074 INFO L273 TraceCheckUtils]: 25: Hoare triple {8210#(= 0 ~compRegistered~0)} assume !(0 != ~disketteExtension__IsRemoved~0); {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,079 INFO L273 TraceCheckUtils]: 26: Hoare triple {8210#(= 0 ~compRegistered~0)} assume 0 == ~irpSp__MinorFunction~0; {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,079 INFO L256 TraceCheckUtils]: 27: Hoare triple {8210#(= 0 ~compRegistered~0)} call #t~ret27 := FloppyStartDevice(~DeviceObject, ~Irp); {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,084 INFO L273 TraceCheckUtils]: 28: Hoare triple {8210#(= 0 ~compRegistered~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647;~DeviceObject__DeviceExtension~1 := #t~nondet54;havoc #t~nondet54;assume -2147483648 <= #t~nondet55 && #t~nondet55 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~1 := #t~nondet55;havoc #t~nondet55;havoc ~Irp__IoStatus__Status~2;assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;~disketteExtension__TargetObject~1 := #t~nondet56;havoc #t~nondet56;havoc ~disketteExtension__MaxTransferSize~0;assume -2147483648 <= #t~nondet57 && #t~nondet57 <= 2147483647;~disketteExtension__DriveType~0 := #t~nondet57;havoc #t~nondet57;havoc ~disketteExtension__PerpendicularMode~0;havoc ~disketteExtension__DeviceUnit~0;havoc ~disketteExtension__DriveOnValue~0;assume -2147483648 <= #t~nondet58 && #t~nondet58 <= 2147483647;~disketteExtension__UnderlyingPDO~0 := #t~nondet58;havoc #t~nondet58;assume -2147483648 <= #t~nondet59 && #t~nondet59 <= 2147483647;~disketteExtension__InterfaceString~1 := #t~nondet59;havoc #t~nondet59;havoc ~disketteExtension__IsStarted~1;havoc ~disketteExtension__HoldNewRequests~1;havoc ~ntStatus~1;havoc ~pnpStatus~0;assume -2147483648 <= #t~nondet60 && #t~nondet60 <= 2147483647;~doneEvent~1 := #t~nondet60;havoc #t~nondet60;assume -2147483648 <= #t~nondet61 && #t~nondet61 <= 2147483647;~fdcInfo~0 := #t~nondet61;havoc #t~nondet61;havoc ~fdcInfo__BufferCount~0;havoc ~fdcInfo__BufferSize~0;assume -2147483648 <= #t~nondet62 && #t~nondet62 <= 2147483647;~fdcInfo__MaxTransferSize~0 := #t~nondet62;havoc #t~nondet62;assume -2147483648 <= #t~nondet63 && #t~nondet63 <= 2147483647;~fdcInfo__AcpiBios~0 := #t~nondet63;havoc #t~nondet63;assume -2147483648 <= #t~nondet64 && #t~nondet64 <= 2147483647;~fdcInfo__AcpiFdiSupported~0 := #t~nondet64;havoc #t~nondet64;assume -2147483648 <= #t~nondet65 && #t~nondet65 <= 2147483647;~fdcInfo__PeripheralNumber~0 := #t~nondet65;havoc #t~nondet65;havoc ~fdcInfo__BusType~0;assume -2147483648 <= #t~nondet66 && #t~nondet66 <= 2147483647;~fdcInfo__ControllerNumber~0 := #t~nondet66;havoc #t~nondet66;assume -2147483648 <= #t~nondet67 && #t~nondet67 <= 2147483647;~fdcInfo__UnitNumber~0 := #t~nondet67;havoc #t~nondet67;assume -2147483648 <= #t~nondet68 && #t~nondet68 <= 2147483647;~fdcInfo__BusNumber~0 := #t~nondet68;havoc #t~nondet68;havoc ~Dc~0;havoc ~Fp~0;havoc ~disketteExtension~1;havoc ~irpSp~1;havoc ~irpSp___0~1;havoc ~nextIrpSp~1;havoc ~nextIrpSp__Control~1;havoc ~irpSp___1~1;havoc ~irpSp__Control~1;havoc ~irpSp__Context~1;havoc ~InterfaceType~0;assume -2147483648 <= #t~nondet69 && #t~nondet69 <= 2147483647;~KUSER_SHARED_DATA__AlternativeArchitecture_NEC98x86~0 := #t~nondet69;havoc #t~nondet69;havoc ~__cil_tmp42~0;havoc ~__cil_tmp43~0;havoc ~__cil_tmp44~0;havoc ~__cil_tmp45~0;assume -2147483648 <= #t~nondet70 && #t~nondet70 <= 2147483647;~__cil_tmp46~0 := #t~nondet70;havoc #t~nondet70;havoc ~__cil_tmp47~0;havoc ~__cil_tmp48~0;havoc ~__cil_tmp49~0;~Dc~0 := ~DiskController~0;~Fp~0 := ~FloppyDiskPeripheral~0;~disketteExtension~1 := ~DeviceObject__DeviceExtension~1;~irpSp~1 := ~Irp__Tail__Overlay__CurrentStackLocation~1;~irpSp___0~1 := ~Irp__Tail__Overlay__CurrentStackLocation~1;~nextIrpSp~1 := ~Irp__Tail__Overlay__CurrentStackLocation~1 - 1;~nextIrpSp__Control~1 := 0; {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,085 INFO L273 TraceCheckUtils]: 29: Hoare triple {8210#(= 0 ~compRegistered~0)} assume !(~s~0 != ~NP~0); {8210#(= 0 ~compRegistered~0)} is VALID [2018-11-23 12:36:36,085 INFO L273 TraceCheckUtils]: 30: Hoare triple {8210#(= 0 ~compRegistered~0)} assume 0 != ~compRegistered~0; {8209#false} is VALID [2018-11-23 12:36:36,085 INFO L256 TraceCheckUtils]: 31: Hoare triple {8209#false} call errorFn(); {8209#false} is VALID [2018-11-23 12:36:36,085 INFO L273 TraceCheckUtils]: 32: Hoare triple {8209#false} assume !false; {8209#false} is VALID [2018-11-23 12:36:36,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:36:36,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:36:36,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:36:36,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-11-23 12:36:36,087 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:36:36,088 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:36:36,123 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:36:36,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:36:36,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:36:36,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:36:36,124 INFO L87 Difference]: Start difference. First operand 585 states and 792 transitions. Second operand 3 states. [2018-11-23 12:36:38,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:38,960 INFO L93 Difference]: Finished difference Result 1096 states and 1479 transitions. [2018-11-23 12:36:38,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:36:38,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2018-11-23 12:36:38,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:36:38,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:36:38,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 878 transitions. [2018-11-23 12:36:38,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:36:38,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 878 transitions. [2018-11-23 12:36:38,979 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 878 transitions. [2018-11-23 12:36:40,284 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 878 edges. 878 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:36:40,334 INFO L225 Difference]: With dead ends: 1096 [2018-11-23 12:36:40,334 INFO L226 Difference]: Without dead ends: 796 [2018-11-23 12:36:40,335 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:36:40,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2018-11-23 12:36:41,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 767. [2018-11-23 12:36:41,183 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:36:41,184 INFO L82 GeneralOperation]: Start isEquivalent. First operand 796 states. Second operand 767 states. [2018-11-23 12:36:41,184 INFO L74 IsIncluded]: Start isIncluded. First operand 796 states. Second operand 767 states. [2018-11-23 12:36:41,184 INFO L87 Difference]: Start difference. First operand 796 states. Second operand 767 states. [2018-11-23 12:36:41,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:41,228 INFO L93 Difference]: Finished difference Result 796 states and 1075 transitions. [2018-11-23 12:36:41,228 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1075 transitions. [2018-11-23 12:36:41,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:36:41,232 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:36:41,232 INFO L74 IsIncluded]: Start isIncluded. First operand 767 states. Second operand 796 states. [2018-11-23 12:36:41,232 INFO L87 Difference]: Start difference. First operand 767 states. Second operand 796 states. [2018-11-23 12:36:41,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:41,275 INFO L93 Difference]: Finished difference Result 796 states and 1075 transitions. [2018-11-23 12:36:41,275 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1075 transitions. [2018-11-23 12:36:41,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:36:41,279 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:36:41,279 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:36:41,279 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:36:41,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2018-11-23 12:36:41,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1042 transitions. [2018-11-23 12:36:41,327 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1042 transitions. Word has length 33 [2018-11-23 12:36:41,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:36:41,328 INFO L480 AbstractCegarLoop]: Abstraction has 767 states and 1042 transitions. [2018-11-23 12:36:41,328 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:36:41,328 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1042 transitions. [2018-11-23 12:36:41,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 12:36:41,331 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:36:41,331 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:36:41,331 INFO L423 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:36:41,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:36:41,333 INFO L82 PathProgramCache]: Analyzing trace with hash -179441882, now seen corresponding path program 1 times [2018-11-23 12:36:41,333 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:36:41,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:36:41,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:41,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:36:41,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:36:41,611 INFO L256 TraceCheckUtils]: 0: Hoare triple {12331#true} call ULTIMATE.init(); {12331#true} is VALID [2018-11-23 12:36:41,611 INFO L273 TraceCheckUtils]: 1: Hoare triple {12331#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {12331#true} is VALID [2018-11-23 12:36:41,612 INFO L273 TraceCheckUtils]: 2: Hoare triple {12331#true} assume true; {12331#true} is VALID [2018-11-23 12:36:41,612 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {12331#true} {12331#true} #1155#return; {12331#true} is VALID [2018-11-23 12:36:41,612 INFO L256 TraceCheckUtils]: 4: Hoare triple {12331#true} call #t~ret166 := main(); {12331#true} is VALID [2018-11-23 12:36:41,612 INFO L273 TraceCheckUtils]: 5: Hoare triple {12331#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {12331#true} is VALID [2018-11-23 12:36:41,613 INFO L256 TraceCheckUtils]: 6: Hoare triple {12331#true} call _BLAST_init(); {12331#true} is VALID [2018-11-23 12:36:41,613 INFO L273 TraceCheckUtils]: 7: Hoare triple {12331#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {12331#true} is VALID [2018-11-23 12:36:41,613 INFO L273 TraceCheckUtils]: 8: Hoare triple {12331#true} assume true; {12331#true} is VALID [2018-11-23 12:36:41,613 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {12331#true} {12331#true} #1063#return; {12331#true} is VALID [2018-11-23 12:36:41,614 INFO L273 TraceCheckUtils]: 10: Hoare triple {12331#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {12331#true} is VALID [2018-11-23 12:36:41,615 INFO L273 TraceCheckUtils]: 11: Hoare triple {12331#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {12331#true} is VALID [2018-11-23 12:36:41,615 INFO L256 TraceCheckUtils]: 12: Hoare triple {12331#true} call stub_driver_init(); {12331#true} is VALID [2018-11-23 12:36:41,615 INFO L273 TraceCheckUtils]: 13: Hoare triple {12331#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {12331#true} is VALID [2018-11-23 12:36:41,615 INFO L273 TraceCheckUtils]: 14: Hoare triple {12331#true} assume true; {12331#true} is VALID [2018-11-23 12:36:41,621 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {12331#true} {12331#true} #1065#return; {12331#true} is VALID [2018-11-23 12:36:41,621 INFO L273 TraceCheckUtils]: 16: Hoare triple {12331#true} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {12331#true} is VALID [2018-11-23 12:36:41,621 INFO L273 TraceCheckUtils]: 17: Hoare triple {12331#true} assume 0 == ~tmp_ndt_1~0; {12331#true} is VALID [2018-11-23 12:36:41,622 INFO L256 TraceCheckUtils]: 18: Hoare triple {12331#true} call #t~ret93 := FloppyCreateClose(~devobj~0, ~pirp~0); {12331#true} is VALID [2018-11-23 12:36:41,622 INFO L273 TraceCheckUtils]: 19: Hoare triple {12331#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~Irp__IoStatus__Status~3;havoc ~Irp__IoStatus__Information~2;~myStatus~0 := 0;~Irp__IoStatus__Status~3 := 0;~Irp__IoStatus__Information~2 := 1; {12331#true} is VALID [2018-11-23 12:36:41,622 INFO L256 TraceCheckUtils]: 20: Hoare triple {12331#true} call IofCompleteRequest(~Irp, 0); {12331#true} is VALID [2018-11-23 12:36:41,622 INFO L273 TraceCheckUtils]: 21: Hoare triple {12331#true} ~Irp := #in~Irp;~PriorityBoost := #in~PriorityBoost; {12331#true} is VALID [2018-11-23 12:36:41,637 INFO L273 TraceCheckUtils]: 22: Hoare triple {12331#true} assume ~s~0 == ~NP~0;~s~0 := ~DC~0; {12333#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:36:41,649 INFO L273 TraceCheckUtils]: 23: Hoare triple {12333#(= ~DC~0 ~s~0)} assume true; {12333#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:36:41,663 INFO L268 TraceCheckUtils]: 24: Hoare quadruple {12333#(= ~DC~0 ~s~0)} {12331#true} #1083#return; {12333#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:36:41,672 INFO L273 TraceCheckUtils]: 25: Hoare triple {12333#(= ~DC~0 ~s~0)} #res := 0; {12333#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:36:41,686 INFO L273 TraceCheckUtils]: 26: Hoare triple {12333#(= ~DC~0 ~s~0)} assume true; {12333#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:36:41,687 INFO L268 TraceCheckUtils]: 27: Hoare quadruple {12333#(= ~DC~0 ~s~0)} {12331#true} #1067#return; {12333#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:36:41,687 INFO L273 TraceCheckUtils]: 28: Hoare triple {12333#(= ~DC~0 ~s~0)} assume -2147483648 <= #t~ret93 && #t~ret93 <= 2147483647;~status~1 := #t~ret93;havoc #t~ret93; {12333#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:36:41,689 INFO L273 TraceCheckUtils]: 29: Hoare triple {12333#(= ~DC~0 ~s~0)} assume !(1 == ~pended~0); {12333#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:36:41,689 INFO L273 TraceCheckUtils]: 30: Hoare triple {12333#(= ~DC~0 ~s~0)} assume !(1 == ~pended~0); {12333#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:36:41,691 INFO L273 TraceCheckUtils]: 31: Hoare triple {12333#(= ~DC~0 ~s~0)} assume ~s~0 != ~UNLOADED~0; {12333#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:36:41,691 INFO L273 TraceCheckUtils]: 32: Hoare triple {12333#(= ~DC~0 ~s~0)} assume -1 != ~status~1; {12333#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:36:41,693 INFO L273 TraceCheckUtils]: 33: Hoare triple {12333#(= ~DC~0 ~s~0)} assume ~s~0 != ~SKIP2~0; {12333#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:36:41,694 INFO L273 TraceCheckUtils]: 34: Hoare triple {12333#(= ~DC~0 ~s~0)} assume ~s~0 != ~IPC~0; {12333#(= ~DC~0 ~s~0)} is VALID [2018-11-23 12:36:41,694 INFO L273 TraceCheckUtils]: 35: Hoare triple {12333#(= ~DC~0 ~s~0)} assume ~s~0 != ~DC~0; {12332#false} is VALID [2018-11-23 12:36:41,695 INFO L256 TraceCheckUtils]: 36: Hoare triple {12332#false} call errorFn(); {12332#false} is VALID [2018-11-23 12:36:41,695 INFO L273 TraceCheckUtils]: 37: Hoare triple {12332#false} assume !false; {12332#false} is VALID [2018-11-23 12:36:41,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:36:41,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:36:41,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:36:41,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-11-23 12:36:41,698 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:36:41,698 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:36:41,758 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:36:41,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:36:41,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:36:41,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:36:41,759 INFO L87 Difference]: Start difference. First operand 767 states and 1042 transitions. Second operand 3 states. [2018-11-23 12:36:44,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:44,096 INFO L93 Difference]: Finished difference Result 811 states and 1096 transitions. [2018-11-23 12:36:44,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:36:44,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-11-23 12:36:44,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:36:44,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:36:44,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 538 transitions. [2018-11-23 12:36:44,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:36:44,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 538 transitions. [2018-11-23 12:36:44,107 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 538 transitions. [2018-11-23 12:36:44,893 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 538 edges. 538 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:36:44,928 INFO L225 Difference]: With dead ends: 811 [2018-11-23 12:36:44,928 INFO L226 Difference]: Without dead ends: 806 [2018-11-23 12:36:44,929 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:36:44,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2018-11-23 12:36:45,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 802. [2018-11-23 12:36:45,689 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:36:45,690 INFO L82 GeneralOperation]: Start isEquivalent. First operand 806 states. Second operand 802 states. [2018-11-23 12:36:45,690 INFO L74 IsIncluded]: Start isIncluded. First operand 806 states. Second operand 802 states. [2018-11-23 12:36:45,690 INFO L87 Difference]: Start difference. First operand 806 states. Second operand 802 states. [2018-11-23 12:36:45,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:45,733 INFO L93 Difference]: Finished difference Result 806 states and 1089 transitions. [2018-11-23 12:36:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1089 transitions. [2018-11-23 12:36:45,737 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:36:45,737 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:36:45,737 INFO L74 IsIncluded]: Start isIncluded. First operand 802 states. Second operand 806 states. [2018-11-23 12:36:45,737 INFO L87 Difference]: Start difference. First operand 802 states. Second operand 806 states. [2018-11-23 12:36:45,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:45,781 INFO L93 Difference]: Finished difference Result 806 states and 1089 transitions. [2018-11-23 12:36:45,782 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1089 transitions. [2018-11-23 12:36:45,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:36:45,785 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:36:45,786 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:36:45,786 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:36:45,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 802 states. [2018-11-23 12:36:45,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1086 transitions. [2018-11-23 12:36:45,839 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1086 transitions. Word has length 38 [2018-11-23 12:36:45,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:36:45,839 INFO L480 AbstractCegarLoop]: Abstraction has 802 states and 1086 transitions. [2018-11-23 12:36:45,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:36:45,839 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1086 transitions. [2018-11-23 12:36:45,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 12:36:45,841 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:36:45,841 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:36:45,841 INFO L423 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:36:45,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:36:45,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1987377410, now seen corresponding path program 1 times [2018-11-23 12:36:45,843 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:36:45,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:36:45,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:45,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:36:45,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:36:46,205 INFO L256 TraceCheckUtils]: 0: Hoare triple {16130#true} call ULTIMATE.init(); {16130#true} is VALID [2018-11-23 12:36:46,205 INFO L273 TraceCheckUtils]: 1: Hoare triple {16130#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {16130#true} is VALID [2018-11-23 12:36:46,205 INFO L273 TraceCheckUtils]: 2: Hoare triple {16130#true} assume true; {16130#true} is VALID [2018-11-23 12:36:46,206 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {16130#true} {16130#true} #1155#return; {16130#true} is VALID [2018-11-23 12:36:46,206 INFO L256 TraceCheckUtils]: 4: Hoare triple {16130#true} call #t~ret166 := main(); {16130#true} is VALID [2018-11-23 12:36:46,206 INFO L273 TraceCheckUtils]: 5: Hoare triple {16130#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {16130#true} is VALID [2018-11-23 12:36:46,206 INFO L256 TraceCheckUtils]: 6: Hoare triple {16130#true} call _BLAST_init(); {16130#true} is VALID [2018-11-23 12:36:46,206 INFO L273 TraceCheckUtils]: 7: Hoare triple {16130#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {16130#true} is VALID [2018-11-23 12:36:46,207 INFO L273 TraceCheckUtils]: 8: Hoare triple {16130#true} assume true; {16130#true} is VALID [2018-11-23 12:36:46,207 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {16130#true} {16130#true} #1063#return; {16130#true} is VALID [2018-11-23 12:36:46,207 INFO L273 TraceCheckUtils]: 10: Hoare triple {16130#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {16130#true} is VALID [2018-11-23 12:36:46,207 INFO L273 TraceCheckUtils]: 11: Hoare triple {16130#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {16130#true} is VALID [2018-11-23 12:36:46,208 INFO L256 TraceCheckUtils]: 12: Hoare triple {16130#true} call stub_driver_init(); {16130#true} is VALID [2018-11-23 12:36:46,208 INFO L273 TraceCheckUtils]: 13: Hoare triple {16130#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {16130#true} is VALID [2018-11-23 12:36:46,208 INFO L273 TraceCheckUtils]: 14: Hoare triple {16130#true} assume true; {16130#true} is VALID [2018-11-23 12:36:46,208 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {16130#true} {16130#true} #1065#return; {16130#true} is VALID [2018-11-23 12:36:46,209 INFO L273 TraceCheckUtils]: 16: Hoare triple {16130#true} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {16130#true} is VALID [2018-11-23 12:36:46,209 INFO L273 TraceCheckUtils]: 17: Hoare triple {16130#true} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {16130#true} is VALID [2018-11-23 12:36:46,209 INFO L273 TraceCheckUtils]: 18: Hoare triple {16130#true} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {16130#true} is VALID [2018-11-23 12:36:46,209 INFO L273 TraceCheckUtils]: 19: Hoare triple {16130#true} assume 2 == ~tmp_ndt_3~0; {16130#true} is VALID [2018-11-23 12:36:46,209 INFO L256 TraceCheckUtils]: 20: Hoare triple {16130#true} call #t~ret95 := FloppyDeviceControl(~devobj~0, ~pirp~0); {16130#true} is VALID [2018-11-23 12:36:46,210 INFO L273 TraceCheckUtils]: 21: Hoare triple {16130#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet112 && #t~nondet112 <= 2147483647;~disketteExtension__HoldNewRequests~2 := #t~nondet112;havoc #t~nondet112;assume -2147483648 <= #t~nondet113 && #t~nondet113 <= 2147483647;~disketteExtension__IsRemoved~1 := #t~nondet113;havoc #t~nondet113;havoc ~Irp__IoStatus__Information~3;assume -2147483648 <= #t~nondet114 && #t~nondet114 <= 2147483647;~disketteExtension__IsStarted~2 := #t~nondet114;havoc #t~nondet114;assume -2147483648 <= #t~nondet115 && #t~nondet115 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet115;havoc #t~nondet115;assume -2147483648 <= #t~nondet116 && #t~nondet116 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~2 := #t~nondet116;havoc #t~nondet116;assume -2147483648 <= #t~nondet117 && #t~nondet117 <= 2147483647;~disketteExtension__TargetObject~2 := #t~nondet117;havoc #t~nondet117;assume -2147483648 <= #t~nondet118 && #t~nondet118 <= 2147483647;~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 := #t~nondet118;havoc #t~nondet118;assume -2147483648 <= #t~nondet119 && #t~nondet119 <= 2147483647;~sizeof__MOUNTDEV_NAME~0 := #t~nondet119;havoc #t~nondet119;assume -2147483648 <= #t~nondet120 && #t~nondet120 <= 2147483647;~Irp__AssociatedIrp__SystemBuffer~0 := #t~nondet120;havoc #t~nondet120;havoc ~mountName__NameLength~0;assume -2147483648 <= #t~nondet121 && #t~nondet121 <= 2147483647;~disketteExtension__DeviceName__Length~0 := #t~nondet121;havoc #t~nondet121;assume -2147483648 <= #t~nondet122 && #t~nondet122 <= 2147483647;~sizeof__USHORT~0 := #t~nondet122;havoc #t~nondet122;assume -2147483648 <= #t~nondet123 && #t~nondet123 <= 2147483647;~disketteExtension__InterfaceString__Buffer~1 := #t~nondet123;havoc #t~nondet123;havoc ~uniqueId__UniqueIdLength~0;assume -2147483648 <= #t~nondet124 && #t~nondet124 <= 2147483647;~disketteExtension__InterfaceString__Length~0 := #t~nondet124;havoc #t~nondet124;assume -2147483648 <= #t~nondet125 && #t~nondet125 <= 2147483647;~sizeof__MOUNTDEV_UNIQUE_ID~0 := #t~nondet125;havoc #t~nondet125;assume -2147483648 <= #t~nondet126 && #t~nondet126 <= 2147483647;~irpSp__Parameters__DeviceIoControl__InputBufferLength~0 := #t~nondet126;havoc #t~nondet126;assume -2147483648 <= #t~nondet127 && #t~nondet127 <= 2147483647;~sizeof__FORMAT_PARAMETERS~0 := #t~nondet127;havoc #t~nondet127;assume -2147483648 <= #t~nondet128 && #t~nondet128 <= 2147483647;~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 := #t~nondet128;havoc #t~nondet128;assume -2147483648 <= #t~nondet129 && #t~nondet129 <= 2147483647;~sizeof__FORMAT_EX_PARAMETERS~0 := #t~nondet129;havoc #t~nondet129;assume -2147483648 <= #t~nondet130 && #t~nondet130 <= 2147483647;~formatExParameters__FormatGapLength~0 := #t~nondet130;havoc #t~nondet130;assume -2147483648 <= #t~nondet131 && #t~nondet131 <= 2147483647;~formatExParameters__SectorsPerTrack~0 := #t~nondet131;havoc #t~nondet131;assume -2147483648 <= #t~nondet132 && #t~nondet132 <= 2147483647;~sizeof__DISK_GEOMETRY~0 := #t~nondet132;havoc #t~nondet132;havoc ~Irp__IoStatus__Status___0~0;assume -2147483648 <= #t~nondet133 && #t~nondet133 <= 2147483647;~disketteExtension~2 := #t~nondet133;havoc #t~nondet133;havoc ~ntStatus~3;havoc ~outputBufferLength~0;assume -2147483648 <= #t~nondet134 && #t~nondet134 <= 2147483647;~lowestDriveMediaType~0 := #t~nondet134;havoc #t~nondet134;assume -2147483648 <= #t~nondet135 && #t~nondet135 <= 2147483647;~highestDriveMediaType~0 := #t~nondet135;havoc #t~nondet135;assume -2147483648 <= #t~nondet136 && #t~nondet136 <= 2147483647;~formatExParametersSize~0 := #t~nondet136;havoc #t~nondet136;havoc ~formatExParameters~0;havoc ~tmp~0;havoc ~mountName~0;havoc ~uniqueId~0;havoc ~tmp___0~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;assume -2147483648 <= #t~nondet137 && #t~nondet137 <= 2147483647;~__cil_tmp41~0 := #t~nondet137;havoc #t~nondet137;havoc ~__cil_tmp42~1;havoc ~__cil_tmp43~1;assume -2147483648 <= #t~nondet138 && #t~nondet138 <= 2147483647;~__cil_tmp44~1 := #t~nondet138;havoc #t~nondet138;assume -2147483648 <= #t~nondet139 && #t~nondet139 <= 2147483647;~__cil_tmp45~1 := #t~nondet139;havoc #t~nondet139;havoc ~__cil_tmp46~1;havoc ~__cil_tmp47~1;havoc ~__cil_tmp48~1;havoc ~__cil_tmp49~1;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~__cil_tmp50~0 := #t~nondet140;havoc #t~nondet140;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~__cil_tmp55~0 := #t~nondet141;havoc #t~nondet141;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;assume -2147483648 <= #t~nondet142 && #t~nondet142 <= 2147483647;~__cil_tmp60~0 := #t~nondet142;havoc #t~nondet142;havoc ~__cil_tmp61~0;havoc ~__cil_tmp62~0;havoc ~__cil_tmp63~0;havoc ~__cil_tmp64~0;assume -2147483648 <= #t~nondet143 && #t~nondet143 <= 2147483647;~__cil_tmp65~0 := #t~nondet143;havoc #t~nondet143;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~__cil_tmp66~0 := #t~nondet144;havoc #t~nondet144;havoc ~__cil_tmp67~0;havoc ~__cil_tmp68~0;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~__cil_tmp69~0 := #t~nondet145;havoc #t~nondet145;havoc ~__cil_tmp70~0;havoc ~__cil_tmp71~0;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~__cil_tmp72~0 := #t~nondet146;havoc #t~nondet146;havoc ~__cil_tmp73~0;havoc ~__cil_tmp74~0;assume -2147483648 <= #t~nondet147 && #t~nondet147 <= 2147483647;~__cil_tmp75~0 := #t~nondet147;havoc #t~nondet147;havoc ~__cil_tmp76~0;havoc ~__cil_tmp77~0;assume -2147483648 <= #t~nondet148 && #t~nondet148 <= 2147483647;~__cil_tmp78~0 := #t~nondet148;havoc #t~nondet148;havoc ~__cil_tmp79~0;havoc ~__cil_tmp80~0;assume -2147483648 <= #t~nondet149 && #t~nondet149 <= 2147483647;~__cil_tmp81~0 := #t~nondet149;havoc #t~nondet149;havoc ~__cil_tmp82~0;havoc ~__cil_tmp83~0;havoc ~__cil_tmp84~0;havoc ~__cil_tmp85~0;havoc ~__cil_tmp86~0;havoc ~__cil_tmp87~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~__cil_tmp88~0 := #t~nondet150;havoc #t~nondet150;havoc ~__cil_tmp89~0;havoc ~__cil_tmp90~0;havoc ~__cil_tmp91~0; {16130#true} is VALID [2018-11-23 12:36:46,210 INFO L273 TraceCheckUtils]: 22: Hoare triple {16130#true} assume !(0 != ~disketteExtension__HoldNewRequests~2); {16130#true} is VALID [2018-11-23 12:36:46,210 INFO L273 TraceCheckUtils]: 23: Hoare triple {16130#true} assume !(0 != ~disketteExtension__IsRemoved~1); {16130#true} is VALID [2018-11-23 12:36:46,210 INFO L273 TraceCheckUtils]: 24: Hoare triple {16130#true} assume 0 == ~disketteExtension__IsStarted~2; {16130#true} is VALID [2018-11-23 12:36:46,223 INFO L273 TraceCheckUtils]: 25: Hoare triple {16130#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {16132#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:36:46,244 INFO L273 TraceCheckUtils]: 26: Hoare triple {16132#(= ~s~0 ~SKIP1~0)} #t~post152 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := 1 + #t~post152;havoc #t~post152;#t~post153 := ~Irp__Tail__Overlay__CurrentStackLocation~2;~Irp__Tail__Overlay__CurrentStackLocation~2 := 1 + #t~post153;havoc #t~post153; {16132#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:36:46,253 INFO L256 TraceCheckUtils]: 27: Hoare triple {16132#(= ~s~0 ~SKIP1~0)} call #t~ret154 := IofCallDriver(~disketteExtension__TargetObject~2, ~Irp); {16132#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:36:46,266 INFO L273 TraceCheckUtils]: 28: Hoare triple {16132#(= ~s~0 ~SKIP1~0)} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~returnVal2~0;havoc ~compRetStatus1~0;assume -2147483648 <= #t~nondet103 && #t~nondet103 <= 2147483647;~lcontext~0 := #t~nondet103;havoc #t~nondet103;havoc ~__cil_tmp7~0; {16132#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:36:46,279 INFO L273 TraceCheckUtils]: 29: Hoare triple {16132#(= ~s~0 ~SKIP1~0)} assume !(0 != ~compRegistered~0); {16132#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:36:46,288 INFO L273 TraceCheckUtils]: 30: Hoare triple {16132#(= ~s~0 ~SKIP1~0)} havoc ~tmp_ndt_10~0;assume -2147483648 <= #t~nondet105 && #t~nondet105 <= 2147483647;~tmp_ndt_10~0 := #t~nondet105;havoc #t~nondet105; {16132#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:36:46,288 INFO L273 TraceCheckUtils]: 31: Hoare triple {16132#(= ~s~0 ~SKIP1~0)} assume 0 == ~tmp_ndt_10~0; {16132#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:36:46,292 INFO L273 TraceCheckUtils]: 32: Hoare triple {16132#(= ~s~0 ~SKIP1~0)} ~returnVal2~0 := 0; {16132#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:36:46,292 INFO L273 TraceCheckUtils]: 33: Hoare triple {16132#(= ~s~0 ~SKIP1~0)} assume !(~s~0 == ~NP~0); {16132#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:36:46,294 INFO L273 TraceCheckUtils]: 34: Hoare triple {16132#(= ~s~0 ~SKIP1~0)} assume !(~s~0 == ~MPR1~0); {16132#(= ~s~0 ~SKIP1~0)} is VALID [2018-11-23 12:36:46,294 INFO L273 TraceCheckUtils]: 35: Hoare triple {16132#(= ~s~0 ~SKIP1~0)} assume !(~s~0 == ~SKIP1~0); {16131#false} is VALID [2018-11-23 12:36:46,294 INFO L256 TraceCheckUtils]: 36: Hoare triple {16131#false} call errorFn(); {16131#false} is VALID [2018-11-23 12:36:46,294 INFO L273 TraceCheckUtils]: 37: Hoare triple {16131#false} assume !false; {16131#false} is VALID [2018-11-23 12:36:46,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:36:46,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:36:46,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:36:46,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-11-23 12:36:46,299 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:36:46,299 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:36:46,364 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:36:46,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:36:46,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:36:46,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:36:46,365 INFO L87 Difference]: Start difference. First operand 802 states and 1086 transitions. Second operand 3 states. [2018-11-23 12:36:47,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:47,917 INFO L93 Difference]: Finished difference Result 817 states and 1106 transitions. [2018-11-23 12:36:47,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:36:47,917 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-11-23 12:36:47,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:36:47,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:36:47,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2018-11-23 12:36:47,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:36:47,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2018-11-23 12:36:47,931 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 518 transitions. [2018-11-23 12:36:48,726 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 518 edges. 518 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:36:48,764 INFO L225 Difference]: With dead ends: 817 [2018-11-23 12:36:48,764 INFO L226 Difference]: Without dead ends: 814 [2018-11-23 12:36:48,765 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:36:48,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2018-11-23 12:36:49,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 813. [2018-11-23 12:36:49,628 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:36:49,628 INFO L82 GeneralOperation]: Start isEquivalent. First operand 814 states. Second operand 813 states. [2018-11-23 12:36:49,628 INFO L74 IsIncluded]: Start isIncluded. First operand 814 states. Second operand 813 states. [2018-11-23 12:36:49,628 INFO L87 Difference]: Start difference. First operand 814 states. Second operand 813 states. [2018-11-23 12:36:49,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:49,672 INFO L93 Difference]: Finished difference Result 814 states and 1102 transitions. [2018-11-23 12:36:49,672 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1102 transitions. [2018-11-23 12:36:49,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:36:49,676 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:36:49,676 INFO L74 IsIncluded]: Start isIncluded. First operand 813 states. Second operand 814 states. [2018-11-23 12:36:49,676 INFO L87 Difference]: Start difference. First operand 813 states. Second operand 814 states. [2018-11-23 12:36:49,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:49,718 INFO L93 Difference]: Finished difference Result 814 states and 1102 transitions. [2018-11-23 12:36:49,718 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1102 transitions. [2018-11-23 12:36:49,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:36:49,721 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:36:49,721 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:36:49,721 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:36:49,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2018-11-23 12:36:49,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1100 transitions. [2018-11-23 12:36:49,772 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1100 transitions. Word has length 38 [2018-11-23 12:36:49,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:36:49,773 INFO L480 AbstractCegarLoop]: Abstraction has 813 states and 1100 transitions. [2018-11-23 12:36:49,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:36:49,773 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1100 transitions. [2018-11-23 12:36:49,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 12:36:49,774 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:36:49,775 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:36:49,775 INFO L423 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:36:49,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:36:49,775 INFO L82 PathProgramCache]: Analyzing trace with hash 853385571, now seen corresponding path program 1 times [2018-11-23 12:36:49,775 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:36:49,775 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:36:49,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:49,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:36:49,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:36:50,141 INFO L256 TraceCheckUtils]: 0: Hoare triple {19969#true} call ULTIMATE.init(); {19969#true} is VALID [2018-11-23 12:36:50,141 INFO L273 TraceCheckUtils]: 1: Hoare triple {19969#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {19969#true} is VALID [2018-11-23 12:36:50,142 INFO L273 TraceCheckUtils]: 2: Hoare triple {19969#true} assume true; {19969#true} is VALID [2018-11-23 12:36:50,142 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {19969#true} {19969#true} #1155#return; {19969#true} is VALID [2018-11-23 12:36:50,142 INFO L256 TraceCheckUtils]: 4: Hoare triple {19969#true} call #t~ret166 := main(); {19969#true} is VALID [2018-11-23 12:36:50,142 INFO L273 TraceCheckUtils]: 5: Hoare triple {19969#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {19969#true} is VALID [2018-11-23 12:36:50,142 INFO L256 TraceCheckUtils]: 6: Hoare triple {19969#true} call _BLAST_init(); {19969#true} is VALID [2018-11-23 12:36:50,143 INFO L273 TraceCheckUtils]: 7: Hoare triple {19969#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {19969#true} is VALID [2018-11-23 12:36:50,143 INFO L273 TraceCheckUtils]: 8: Hoare triple {19969#true} assume true; {19969#true} is VALID [2018-11-23 12:36:50,143 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {19969#true} {19969#true} #1063#return; {19969#true} is VALID [2018-11-23 12:36:50,143 INFO L273 TraceCheckUtils]: 10: Hoare triple {19969#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {19969#true} is VALID [2018-11-23 12:36:50,143 INFO L273 TraceCheckUtils]: 11: Hoare triple {19969#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {19969#true} is VALID [2018-11-23 12:36:50,143 INFO L256 TraceCheckUtils]: 12: Hoare triple {19969#true} call stub_driver_init(); {19969#true} is VALID [2018-11-23 12:36:50,144 INFO L273 TraceCheckUtils]: 13: Hoare triple {19969#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {19969#true} is VALID [2018-11-23 12:36:50,144 INFO L273 TraceCheckUtils]: 14: Hoare triple {19969#true} assume true; {19969#true} is VALID [2018-11-23 12:36:50,144 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {19969#true} {19969#true} #1065#return; {19969#true} is VALID [2018-11-23 12:36:50,144 INFO L273 TraceCheckUtils]: 16: Hoare triple {19969#true} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {19969#true} is VALID [2018-11-23 12:36:50,144 INFO L273 TraceCheckUtils]: 17: Hoare triple {19969#true} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {19969#true} is VALID [2018-11-23 12:36:50,145 INFO L273 TraceCheckUtils]: 18: Hoare triple {19969#true} assume 1 == ~tmp_ndt_2~0; {19969#true} is VALID [2018-11-23 12:36:50,145 INFO L256 TraceCheckUtils]: 19: Hoare triple {19969#true} call #t~ret94 := FloppyCreateClose(~devobj~0, ~pirp~0); {19969#true} is VALID [2018-11-23 12:36:50,145 INFO L273 TraceCheckUtils]: 20: Hoare triple {19969#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~Irp__IoStatus__Status~3;havoc ~Irp__IoStatus__Information~2;~myStatus~0 := 0;~Irp__IoStatus__Status~3 := 0;~Irp__IoStatus__Information~2 := 1; {19969#true} is VALID [2018-11-23 12:36:50,146 INFO L256 TraceCheckUtils]: 21: Hoare triple {19969#true} call IofCompleteRequest(~Irp, 0); {19969#true} is VALID [2018-11-23 12:36:50,146 INFO L273 TraceCheckUtils]: 22: Hoare triple {19969#true} ~Irp := #in~Irp;~PriorityBoost := #in~PriorityBoost; {19969#true} is VALID [2018-11-23 12:36:50,146 INFO L273 TraceCheckUtils]: 23: Hoare triple {19969#true} assume ~s~0 == ~NP~0;~s~0 := ~DC~0; {19969#true} is VALID [2018-11-23 12:36:50,146 INFO L273 TraceCheckUtils]: 24: Hoare triple {19969#true} assume true; {19969#true} is VALID [2018-11-23 12:36:50,147 INFO L268 TraceCheckUtils]: 25: Hoare quadruple {19969#true} {19969#true} #1083#return; {19969#true} is VALID [2018-11-23 12:36:50,151 INFO L273 TraceCheckUtils]: 26: Hoare triple {19969#true} #res := 0; {19971#(= 0 |FloppyCreateClose_#res|)} is VALID [2018-11-23 12:36:50,152 INFO L273 TraceCheckUtils]: 27: Hoare triple {19971#(= 0 |FloppyCreateClose_#res|)} assume true; {19971#(= 0 |FloppyCreateClose_#res|)} is VALID [2018-11-23 12:36:50,153 INFO L268 TraceCheckUtils]: 28: Hoare quadruple {19971#(= 0 |FloppyCreateClose_#res|)} {19969#true} #1069#return; {19972#(= 0 |main_#t~ret94|)} is VALID [2018-11-23 12:36:50,153 INFO L273 TraceCheckUtils]: 29: Hoare triple {19972#(= 0 |main_#t~ret94|)} assume -2147483648 <= #t~ret94 && #t~ret94 <= 2147483647;~status~1 := #t~ret94;havoc #t~ret94; {19973#(= 0 main_~status~1)} is VALID [2018-11-23 12:36:50,153 INFO L273 TraceCheckUtils]: 30: Hoare triple {19973#(= 0 main_~status~1)} assume !(1 == ~pended~0); {19973#(= 0 main_~status~1)} is VALID [2018-11-23 12:36:50,154 INFO L273 TraceCheckUtils]: 31: Hoare triple {19973#(= 0 main_~status~1)} assume !(1 == ~pended~0); {19973#(= 0 main_~status~1)} is VALID [2018-11-23 12:36:50,154 INFO L273 TraceCheckUtils]: 32: Hoare triple {19973#(= 0 main_~status~1)} assume ~s~0 != ~UNLOADED~0; {19973#(= 0 main_~status~1)} is VALID [2018-11-23 12:36:50,154 INFO L273 TraceCheckUtils]: 33: Hoare triple {19973#(= 0 main_~status~1)} assume -1 != ~status~1; {19973#(= 0 main_~status~1)} is VALID [2018-11-23 12:36:50,155 INFO L273 TraceCheckUtils]: 34: Hoare triple {19973#(= 0 main_~status~1)} assume !(~s~0 != ~SKIP2~0); {19973#(= 0 main_~status~1)} is VALID [2018-11-23 12:36:50,155 INFO L273 TraceCheckUtils]: 35: Hoare triple {19973#(= 0 main_~status~1)} assume !(1 == ~pended~0); {19973#(= 0 main_~status~1)} is VALID [2018-11-23 12:36:50,166 INFO L273 TraceCheckUtils]: 36: Hoare triple {19973#(= 0 main_~status~1)} assume ~s~0 == ~DC~0; {19973#(= 0 main_~status~1)} is VALID [2018-11-23 12:36:50,167 INFO L273 TraceCheckUtils]: 37: Hoare triple {19973#(= 0 main_~status~1)} assume 259 == ~status~1; {19970#false} is VALID [2018-11-23 12:36:50,167 INFO L256 TraceCheckUtils]: 38: Hoare triple {19970#false} call errorFn(); {19970#false} is VALID [2018-11-23 12:36:50,167 INFO L273 TraceCheckUtils]: 39: Hoare triple {19970#false} assume !false; {19970#false} is VALID [2018-11-23 12:36:50,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:36:50,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:36:50,169 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:36:50,169 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2018-11-23 12:36:50,169 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:36:50,169 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 12:36:50,210 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:36:50,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:36:50,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:36:50,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:36:50,212 INFO L87 Difference]: Start difference. First operand 813 states and 1100 transitions. Second operand 5 states. [2018-11-23 12:36:53,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:53,656 INFO L93 Difference]: Finished difference Result 826 states and 1114 transitions. [2018-11-23 12:36:53,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 12:36:53,656 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2018-11-23 12:36:53,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:36:53,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:36:53,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 512 transitions. [2018-11-23 12:36:53,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:36:53,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 512 transitions. [2018-11-23 12:36:53,665 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 512 transitions. [2018-11-23 12:36:55,374 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 512 edges. 512 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:36:55,445 INFO L225 Difference]: With dead ends: 826 [2018-11-23 12:36:55,446 INFO L226 Difference]: Without dead ends: 811 [2018-11-23 12:36:55,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:36:55,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2018-11-23 12:36:56,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 811. [2018-11-23 12:36:56,693 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:36:56,693 INFO L82 GeneralOperation]: Start isEquivalent. First operand 811 states. Second operand 811 states. [2018-11-23 12:36:56,693 INFO L74 IsIncluded]: Start isIncluded. First operand 811 states. Second operand 811 states. [2018-11-23 12:36:56,694 INFO L87 Difference]: Start difference. First operand 811 states. Second operand 811 states. [2018-11-23 12:36:56,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:56,733 INFO L93 Difference]: Finished difference Result 811 states and 1096 transitions. [2018-11-23 12:36:56,733 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1096 transitions. [2018-11-23 12:36:56,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:36:56,736 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:36:56,736 INFO L74 IsIncluded]: Start isIncluded. First operand 811 states. Second operand 811 states. [2018-11-23 12:36:56,737 INFO L87 Difference]: Start difference. First operand 811 states. Second operand 811 states. [2018-11-23 12:36:56,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:56,782 INFO L93 Difference]: Finished difference Result 811 states and 1096 transitions. [2018-11-23 12:36:56,782 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1096 transitions. [2018-11-23 12:36:56,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:36:56,785 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:36:56,785 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:36:56,785 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:36:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-11-23 12:36:56,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1096 transitions. [2018-11-23 12:36:56,839 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1096 transitions. Word has length 40 [2018-11-23 12:36:56,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:36:56,839 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 1096 transitions. [2018-11-23 12:36:56,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:36:56,839 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1096 transitions. [2018-11-23 12:36:56,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 12:36:56,842 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:36:56,842 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:36:56,843 INFO L423 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:36:56,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:36:56,843 INFO L82 PathProgramCache]: Analyzing trace with hash -815128834, now seen corresponding path program 1 times [2018-11-23 12:36:56,843 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:36:56,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:36:56,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:56,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:36:56,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:36:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:36:57,202 INFO L256 TraceCheckUtils]: 0: Hoare triple {23816#true} call ULTIMATE.init(); {23816#true} is VALID [2018-11-23 12:36:57,202 INFO L273 TraceCheckUtils]: 1: Hoare triple {23816#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {23816#true} is VALID [2018-11-23 12:36:57,203 INFO L273 TraceCheckUtils]: 2: Hoare triple {23816#true} assume true; {23816#true} is VALID [2018-11-23 12:36:57,203 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {23816#true} {23816#true} #1155#return; {23816#true} is VALID [2018-11-23 12:36:57,203 INFO L256 TraceCheckUtils]: 4: Hoare triple {23816#true} call #t~ret166 := main(); {23816#true} is VALID [2018-11-23 12:36:57,204 INFO L273 TraceCheckUtils]: 5: Hoare triple {23816#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {23816#true} is VALID [2018-11-23 12:36:57,204 INFO L256 TraceCheckUtils]: 6: Hoare triple {23816#true} call _BLAST_init(); {23816#true} is VALID [2018-11-23 12:36:57,204 INFO L273 TraceCheckUtils]: 7: Hoare triple {23816#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {23816#true} is VALID [2018-11-23 12:36:57,205 INFO L273 TraceCheckUtils]: 8: Hoare triple {23816#true} assume true; {23816#true} is VALID [2018-11-23 12:36:57,205 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {23816#true} {23816#true} #1063#return; {23816#true} is VALID [2018-11-23 12:36:57,205 INFO L273 TraceCheckUtils]: 10: Hoare triple {23816#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {23816#true} is VALID [2018-11-23 12:36:57,205 INFO L273 TraceCheckUtils]: 11: Hoare triple {23816#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {23816#true} is VALID [2018-11-23 12:36:57,206 INFO L256 TraceCheckUtils]: 12: Hoare triple {23816#true} call stub_driver_init(); {23816#true} is VALID [2018-11-23 12:36:57,206 INFO L273 TraceCheckUtils]: 13: Hoare triple {23816#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {23816#true} is VALID [2018-11-23 12:36:57,206 INFO L273 TraceCheckUtils]: 14: Hoare triple {23816#true} assume true; {23816#true} is VALID [2018-11-23 12:36:57,206 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {23816#true} {23816#true} #1065#return; {23816#true} is VALID [2018-11-23 12:36:57,206 INFO L273 TraceCheckUtils]: 16: Hoare triple {23816#true} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {23816#true} is VALID [2018-11-23 12:36:57,206 INFO L273 TraceCheckUtils]: 17: Hoare triple {23816#true} assume 0 == ~tmp_ndt_1~0; {23816#true} is VALID [2018-11-23 12:36:57,207 INFO L256 TraceCheckUtils]: 18: Hoare triple {23816#true} call #t~ret93 := FloppyCreateClose(~devobj~0, ~pirp~0); {23816#true} is VALID [2018-11-23 12:36:57,207 INFO L273 TraceCheckUtils]: 19: Hoare triple {23816#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~Irp__IoStatus__Status~3;havoc ~Irp__IoStatus__Information~2;~myStatus~0 := 0;~Irp__IoStatus__Status~3 := 0;~Irp__IoStatus__Information~2 := 1; {23816#true} is VALID [2018-11-23 12:36:57,207 INFO L256 TraceCheckUtils]: 20: Hoare triple {23816#true} call IofCompleteRequest(~Irp, 0); {23816#true} is VALID [2018-11-23 12:36:57,207 INFO L273 TraceCheckUtils]: 21: Hoare triple {23816#true} ~Irp := #in~Irp;~PriorityBoost := #in~PriorityBoost; {23816#true} is VALID [2018-11-23 12:36:57,207 INFO L273 TraceCheckUtils]: 22: Hoare triple {23816#true} assume ~s~0 == ~NP~0;~s~0 := ~DC~0; {23816#true} is VALID [2018-11-23 12:36:57,207 INFO L273 TraceCheckUtils]: 23: Hoare triple {23816#true} assume true; {23816#true} is VALID [2018-11-23 12:36:57,207 INFO L268 TraceCheckUtils]: 24: Hoare quadruple {23816#true} {23816#true} #1083#return; {23816#true} is VALID [2018-11-23 12:36:57,208 INFO L273 TraceCheckUtils]: 25: Hoare triple {23816#true} #res := 0; {23818#(= 0 |FloppyCreateClose_#res|)} is VALID [2018-11-23 12:36:57,209 INFO L273 TraceCheckUtils]: 26: Hoare triple {23818#(= 0 |FloppyCreateClose_#res|)} assume true; {23818#(= 0 |FloppyCreateClose_#res|)} is VALID [2018-11-23 12:36:57,210 INFO L268 TraceCheckUtils]: 27: Hoare quadruple {23818#(= 0 |FloppyCreateClose_#res|)} {23816#true} #1067#return; {23819#(= 0 |main_#t~ret93|)} is VALID [2018-11-23 12:36:57,212 INFO L273 TraceCheckUtils]: 28: Hoare triple {23819#(= 0 |main_#t~ret93|)} assume -2147483648 <= #t~ret93 && #t~ret93 <= 2147483647;~status~1 := #t~ret93;havoc #t~ret93; {23820#(= 0 main_~status~1)} is VALID [2018-11-23 12:36:57,215 INFO L273 TraceCheckUtils]: 29: Hoare triple {23820#(= 0 main_~status~1)} assume !(1 == ~pended~0); {23820#(= 0 main_~status~1)} is VALID [2018-11-23 12:36:57,218 INFO L273 TraceCheckUtils]: 30: Hoare triple {23820#(= 0 main_~status~1)} assume !(1 == ~pended~0); {23820#(= 0 main_~status~1)} is VALID [2018-11-23 12:36:57,226 INFO L273 TraceCheckUtils]: 31: Hoare triple {23820#(= 0 main_~status~1)} assume ~s~0 != ~UNLOADED~0; {23820#(= 0 main_~status~1)} is VALID [2018-11-23 12:36:57,229 INFO L273 TraceCheckUtils]: 32: Hoare triple {23820#(= 0 main_~status~1)} assume -1 != ~status~1; {23820#(= 0 main_~status~1)} is VALID [2018-11-23 12:36:57,229 INFO L273 TraceCheckUtils]: 33: Hoare triple {23820#(= 0 main_~status~1)} assume !(~s~0 != ~SKIP2~0); {23820#(= 0 main_~status~1)} is VALID [2018-11-23 12:36:57,231 INFO L273 TraceCheckUtils]: 34: Hoare triple {23820#(= 0 main_~status~1)} assume !(1 == ~pended~0); {23820#(= 0 main_~status~1)} is VALID [2018-11-23 12:36:57,231 INFO L273 TraceCheckUtils]: 35: Hoare triple {23820#(= 0 main_~status~1)} assume ~s~0 == ~DC~0; {23820#(= 0 main_~status~1)} is VALID [2018-11-23 12:36:57,233 INFO L273 TraceCheckUtils]: 36: Hoare triple {23820#(= 0 main_~status~1)} assume 259 == ~status~1; {23817#false} is VALID [2018-11-23 12:36:57,233 INFO L256 TraceCheckUtils]: 37: Hoare triple {23817#false} call errorFn(); {23817#false} is VALID [2018-11-23 12:36:57,233 INFO L273 TraceCheckUtils]: 38: Hoare triple {23817#false} assume !false; {23817#false} is VALID [2018-11-23 12:36:57,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:36:57,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:36:57,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:36:57,235 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-11-23 12:36:57,235 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:36:57,235 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 12:36:57,312 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:36:57,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:36:57,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:36:57,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:36:57,314 INFO L87 Difference]: Start difference. First operand 811 states and 1096 transitions. Second operand 5 states. [2018-11-23 12:36:59,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:36:59,628 INFO L93 Difference]: Finished difference Result 824 states and 1110 transitions. [2018-11-23 12:36:59,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 12:36:59,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2018-11-23 12:36:59,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:36:59,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:36:59,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 508 transitions. [2018-11-23 12:36:59,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:36:59,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 508 transitions. [2018-11-23 12:36:59,640 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 508 transitions. [2018-11-23 12:37:01,091 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 508 edges. 508 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:37:01,144 INFO L225 Difference]: With dead ends: 824 [2018-11-23 12:37:01,144 INFO L226 Difference]: Without dead ends: 804 [2018-11-23 12:37:01,145 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:37:01,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2018-11-23 12:37:02,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2018-11-23 12:37:02,340 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:37:02,340 INFO L82 GeneralOperation]: Start isEquivalent. First operand 804 states. Second operand 804 states. [2018-11-23 12:37:02,340 INFO L74 IsIncluded]: Start isIncluded. First operand 804 states. Second operand 804 states. [2018-11-23 12:37:02,340 INFO L87 Difference]: Start difference. First operand 804 states. Second operand 804 states. [2018-11-23 12:37:02,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:02,380 INFO L93 Difference]: Finished difference Result 804 states and 1087 transitions. [2018-11-23 12:37:02,380 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1087 transitions. [2018-11-23 12:37:02,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:02,383 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:02,383 INFO L74 IsIncluded]: Start isIncluded. First operand 804 states. Second operand 804 states. [2018-11-23 12:37:02,384 INFO L87 Difference]: Start difference. First operand 804 states. Second operand 804 states. [2018-11-23 12:37:02,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:02,430 INFO L93 Difference]: Finished difference Result 804 states and 1087 transitions. [2018-11-23 12:37:02,430 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1087 transitions. [2018-11-23 12:37:02,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:02,433 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:02,433 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:37:02,433 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:37:02,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-11-23 12:37:02,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1087 transitions. [2018-11-23 12:37:02,490 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1087 transitions. Word has length 39 [2018-11-23 12:37:02,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:02,490 INFO L480 AbstractCegarLoop]: Abstraction has 804 states and 1087 transitions. [2018-11-23 12:37:02,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:37:02,490 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1087 transitions. [2018-11-23 12:37:02,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 12:37:02,492 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:02,492 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:37:02,492 INFO L423 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:02,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:02,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1144664803, now seen corresponding path program 1 times [2018-11-23 12:37:02,493 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:02,493 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:02,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:02,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:02,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:02,806 INFO L256 TraceCheckUtils]: 0: Hoare triple {27636#true} call ULTIMATE.init(); {27636#true} is VALID [2018-11-23 12:37:02,807 INFO L273 TraceCheckUtils]: 1: Hoare triple {27636#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {27636#true} is VALID [2018-11-23 12:37:02,807 INFO L273 TraceCheckUtils]: 2: Hoare triple {27636#true} assume true; {27636#true} is VALID [2018-11-23 12:37:02,808 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {27636#true} {27636#true} #1155#return; {27636#true} is VALID [2018-11-23 12:37:02,808 INFO L256 TraceCheckUtils]: 4: Hoare triple {27636#true} call #t~ret166 := main(); {27636#true} is VALID [2018-11-23 12:37:02,808 INFO L273 TraceCheckUtils]: 5: Hoare triple {27636#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {27636#true} is VALID [2018-11-23 12:37:02,809 INFO L256 TraceCheckUtils]: 6: Hoare triple {27636#true} call _BLAST_init(); {27636#true} is VALID [2018-11-23 12:37:02,809 INFO L273 TraceCheckUtils]: 7: Hoare triple {27636#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} is VALID [2018-11-23 12:37:02,810 INFO L273 TraceCheckUtils]: 8: Hoare triple {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} assume true; {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} is VALID [2018-11-23 12:37:02,810 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} {27636#true} #1063#return; {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} is VALID [2018-11-23 12:37:02,811 INFO L273 TraceCheckUtils]: 10: Hoare triple {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} is VALID [2018-11-23 12:37:02,814 INFO L273 TraceCheckUtils]: 11: Hoare triple {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} is VALID [2018-11-23 12:37:02,814 INFO L256 TraceCheckUtils]: 12: Hoare triple {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} call stub_driver_init(); {27636#true} is VALID [2018-11-23 12:37:02,814 INFO L273 TraceCheckUtils]: 13: Hoare triple {27636#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {27636#true} is VALID [2018-11-23 12:37:02,814 INFO L273 TraceCheckUtils]: 14: Hoare triple {27636#true} assume true; {27636#true} is VALID [2018-11-23 12:37:02,815 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {27636#true} {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} #1065#return; {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} is VALID [2018-11-23 12:37:02,815 INFO L273 TraceCheckUtils]: 16: Hoare triple {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} is VALID [2018-11-23 12:37:02,815 INFO L273 TraceCheckUtils]: 17: Hoare triple {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} is VALID [2018-11-23 12:37:02,816 INFO L273 TraceCheckUtils]: 18: Hoare triple {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} is VALID [2018-11-23 12:37:02,816 INFO L273 TraceCheckUtils]: 19: Hoare triple {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} assume 2 == ~tmp_ndt_3~0; {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} is VALID [2018-11-23 12:37:02,816 INFO L256 TraceCheckUtils]: 20: Hoare triple {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} call #t~ret95 := FloppyDeviceControl(~devobj~0, ~pirp~0); {27636#true} is VALID [2018-11-23 12:37:02,816 INFO L273 TraceCheckUtils]: 21: Hoare triple {27636#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet112 && #t~nondet112 <= 2147483647;~disketteExtension__HoldNewRequests~2 := #t~nondet112;havoc #t~nondet112;assume -2147483648 <= #t~nondet113 && #t~nondet113 <= 2147483647;~disketteExtension__IsRemoved~1 := #t~nondet113;havoc #t~nondet113;havoc ~Irp__IoStatus__Information~3;assume -2147483648 <= #t~nondet114 && #t~nondet114 <= 2147483647;~disketteExtension__IsStarted~2 := #t~nondet114;havoc #t~nondet114;assume -2147483648 <= #t~nondet115 && #t~nondet115 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet115;havoc #t~nondet115;assume -2147483648 <= #t~nondet116 && #t~nondet116 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~2 := #t~nondet116;havoc #t~nondet116;assume -2147483648 <= #t~nondet117 && #t~nondet117 <= 2147483647;~disketteExtension__TargetObject~2 := #t~nondet117;havoc #t~nondet117;assume -2147483648 <= #t~nondet118 && #t~nondet118 <= 2147483647;~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 := #t~nondet118;havoc #t~nondet118;assume -2147483648 <= #t~nondet119 && #t~nondet119 <= 2147483647;~sizeof__MOUNTDEV_NAME~0 := #t~nondet119;havoc #t~nondet119;assume -2147483648 <= #t~nondet120 && #t~nondet120 <= 2147483647;~Irp__AssociatedIrp__SystemBuffer~0 := #t~nondet120;havoc #t~nondet120;havoc ~mountName__NameLength~0;assume -2147483648 <= #t~nondet121 && #t~nondet121 <= 2147483647;~disketteExtension__DeviceName__Length~0 := #t~nondet121;havoc #t~nondet121;assume -2147483648 <= #t~nondet122 && #t~nondet122 <= 2147483647;~sizeof__USHORT~0 := #t~nondet122;havoc #t~nondet122;assume -2147483648 <= #t~nondet123 && #t~nondet123 <= 2147483647;~disketteExtension__InterfaceString__Buffer~1 := #t~nondet123;havoc #t~nondet123;havoc ~uniqueId__UniqueIdLength~0;assume -2147483648 <= #t~nondet124 && #t~nondet124 <= 2147483647;~disketteExtension__InterfaceString__Length~0 := #t~nondet124;havoc #t~nondet124;assume -2147483648 <= #t~nondet125 && #t~nondet125 <= 2147483647;~sizeof__MOUNTDEV_UNIQUE_ID~0 := #t~nondet125;havoc #t~nondet125;assume -2147483648 <= #t~nondet126 && #t~nondet126 <= 2147483647;~irpSp__Parameters__DeviceIoControl__InputBufferLength~0 := #t~nondet126;havoc #t~nondet126;assume -2147483648 <= #t~nondet127 && #t~nondet127 <= 2147483647;~sizeof__FORMAT_PARAMETERS~0 := #t~nondet127;havoc #t~nondet127;assume -2147483648 <= #t~nondet128 && #t~nondet128 <= 2147483647;~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 := #t~nondet128;havoc #t~nondet128;assume -2147483648 <= #t~nondet129 && #t~nondet129 <= 2147483647;~sizeof__FORMAT_EX_PARAMETERS~0 := #t~nondet129;havoc #t~nondet129;assume -2147483648 <= #t~nondet130 && #t~nondet130 <= 2147483647;~formatExParameters__FormatGapLength~0 := #t~nondet130;havoc #t~nondet130;assume -2147483648 <= #t~nondet131 && #t~nondet131 <= 2147483647;~formatExParameters__SectorsPerTrack~0 := #t~nondet131;havoc #t~nondet131;assume -2147483648 <= #t~nondet132 && #t~nondet132 <= 2147483647;~sizeof__DISK_GEOMETRY~0 := #t~nondet132;havoc #t~nondet132;havoc ~Irp__IoStatus__Status___0~0;assume -2147483648 <= #t~nondet133 && #t~nondet133 <= 2147483647;~disketteExtension~2 := #t~nondet133;havoc #t~nondet133;havoc ~ntStatus~3;havoc ~outputBufferLength~0;assume -2147483648 <= #t~nondet134 && #t~nondet134 <= 2147483647;~lowestDriveMediaType~0 := #t~nondet134;havoc #t~nondet134;assume -2147483648 <= #t~nondet135 && #t~nondet135 <= 2147483647;~highestDriveMediaType~0 := #t~nondet135;havoc #t~nondet135;assume -2147483648 <= #t~nondet136 && #t~nondet136 <= 2147483647;~formatExParametersSize~0 := #t~nondet136;havoc #t~nondet136;havoc ~formatExParameters~0;havoc ~tmp~0;havoc ~mountName~0;havoc ~uniqueId~0;havoc ~tmp___0~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;assume -2147483648 <= #t~nondet137 && #t~nondet137 <= 2147483647;~__cil_tmp41~0 := #t~nondet137;havoc #t~nondet137;havoc ~__cil_tmp42~1;havoc ~__cil_tmp43~1;assume -2147483648 <= #t~nondet138 && #t~nondet138 <= 2147483647;~__cil_tmp44~1 := #t~nondet138;havoc #t~nondet138;assume -2147483648 <= #t~nondet139 && #t~nondet139 <= 2147483647;~__cil_tmp45~1 := #t~nondet139;havoc #t~nondet139;havoc ~__cil_tmp46~1;havoc ~__cil_tmp47~1;havoc ~__cil_tmp48~1;havoc ~__cil_tmp49~1;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~__cil_tmp50~0 := #t~nondet140;havoc #t~nondet140;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~__cil_tmp55~0 := #t~nondet141;havoc #t~nondet141;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;assume -2147483648 <= #t~nondet142 && #t~nondet142 <= 2147483647;~__cil_tmp60~0 := #t~nondet142;havoc #t~nondet142;havoc ~__cil_tmp61~0;havoc ~__cil_tmp62~0;havoc ~__cil_tmp63~0;havoc ~__cil_tmp64~0;assume -2147483648 <= #t~nondet143 && #t~nondet143 <= 2147483647;~__cil_tmp65~0 := #t~nondet143;havoc #t~nondet143;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~__cil_tmp66~0 := #t~nondet144;havoc #t~nondet144;havoc ~__cil_tmp67~0;havoc ~__cil_tmp68~0;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~__cil_tmp69~0 := #t~nondet145;havoc #t~nondet145;havoc ~__cil_tmp70~0;havoc ~__cil_tmp71~0;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~__cil_tmp72~0 := #t~nondet146;havoc #t~nondet146;havoc ~__cil_tmp73~0;havoc ~__cil_tmp74~0;assume -2147483648 <= #t~nondet147 && #t~nondet147 <= 2147483647;~__cil_tmp75~0 := #t~nondet147;havoc #t~nondet147;havoc ~__cil_tmp76~0;havoc ~__cil_tmp77~0;assume -2147483648 <= #t~nondet148 && #t~nondet148 <= 2147483647;~__cil_tmp78~0 := #t~nondet148;havoc #t~nondet148;havoc ~__cil_tmp79~0;havoc ~__cil_tmp80~0;assume -2147483648 <= #t~nondet149 && #t~nondet149 <= 2147483647;~__cil_tmp81~0 := #t~nondet149;havoc #t~nondet149;havoc ~__cil_tmp82~0;havoc ~__cil_tmp83~0;havoc ~__cil_tmp84~0;havoc ~__cil_tmp85~0;havoc ~__cil_tmp86~0;havoc ~__cil_tmp87~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~__cil_tmp88~0 := #t~nondet150;havoc #t~nondet150;havoc ~__cil_tmp89~0;havoc ~__cil_tmp90~0;havoc ~__cil_tmp91~0; {27636#true} is VALID [2018-11-23 12:37:02,816 INFO L273 TraceCheckUtils]: 22: Hoare triple {27636#true} assume !(0 != ~disketteExtension__HoldNewRequests~2); {27636#true} is VALID [2018-11-23 12:37:02,817 INFO L273 TraceCheckUtils]: 23: Hoare triple {27636#true} assume 0 != ~disketteExtension__IsRemoved~1;~Irp__IoStatus__Information~3 := 0;~Irp__IoStatus__Status___0~0 := -1073741738;~myStatus~0 := -1073741738; {27636#true} is VALID [2018-11-23 12:37:02,817 INFO L256 TraceCheckUtils]: 24: Hoare triple {27636#true} call IofCompleteRequest(~Irp, 0); {27636#true} is VALID [2018-11-23 12:37:02,817 INFO L273 TraceCheckUtils]: 25: Hoare triple {27636#true} ~Irp := #in~Irp;~PriorityBoost := #in~PriorityBoost; {27636#true} is VALID [2018-11-23 12:37:02,817 INFO L273 TraceCheckUtils]: 26: Hoare triple {27636#true} assume ~s~0 == ~NP~0;~s~0 := ~DC~0; {27639#(<= ~s~0 ~DC~0)} is VALID [2018-11-23 12:37:02,818 INFO L273 TraceCheckUtils]: 27: Hoare triple {27639#(<= ~s~0 ~DC~0)} assume true; {27639#(<= ~s~0 ~DC~0)} is VALID [2018-11-23 12:37:02,818 INFO L268 TraceCheckUtils]: 28: Hoare quadruple {27639#(<= ~s~0 ~DC~0)} {27636#true} #1129#return; {27639#(<= ~s~0 ~DC~0)} is VALID [2018-11-23 12:37:02,818 INFO L273 TraceCheckUtils]: 29: Hoare triple {27639#(<= ~s~0 ~DC~0)} #res := -1073741738; {27639#(<= ~s~0 ~DC~0)} is VALID [2018-11-23 12:37:02,819 INFO L273 TraceCheckUtils]: 30: Hoare triple {27639#(<= ~s~0 ~DC~0)} assume true; {27639#(<= ~s~0 ~DC~0)} is VALID [2018-11-23 12:37:02,820 INFO L268 TraceCheckUtils]: 31: Hoare quadruple {27639#(<= ~s~0 ~DC~0)} {27638#(<= (+ ~DC~0 2) ~SKIP2~0)} #1071#return; {27640#(<= (+ ~s~0 2) ~SKIP2~0)} is VALID [2018-11-23 12:37:02,821 INFO L273 TraceCheckUtils]: 32: Hoare triple {27640#(<= (+ ~s~0 2) ~SKIP2~0)} assume -2147483648 <= #t~ret95 && #t~ret95 <= 2147483647;~status~1 := #t~ret95;havoc #t~ret95; {27640#(<= (+ ~s~0 2) ~SKIP2~0)} is VALID [2018-11-23 12:37:02,821 INFO L273 TraceCheckUtils]: 33: Hoare triple {27640#(<= (+ ~s~0 2) ~SKIP2~0)} assume !(1 == ~pended~0); {27640#(<= (+ ~s~0 2) ~SKIP2~0)} is VALID [2018-11-23 12:37:02,822 INFO L273 TraceCheckUtils]: 34: Hoare triple {27640#(<= (+ ~s~0 2) ~SKIP2~0)} assume !(1 == ~pended~0); {27640#(<= (+ ~s~0 2) ~SKIP2~0)} is VALID [2018-11-23 12:37:02,823 INFO L273 TraceCheckUtils]: 35: Hoare triple {27640#(<= (+ ~s~0 2) ~SKIP2~0)} assume ~s~0 != ~UNLOADED~0; {27640#(<= (+ ~s~0 2) ~SKIP2~0)} is VALID [2018-11-23 12:37:02,841 INFO L273 TraceCheckUtils]: 36: Hoare triple {27640#(<= (+ ~s~0 2) ~SKIP2~0)} assume -1 != ~status~1; {27640#(<= (+ ~s~0 2) ~SKIP2~0)} is VALID [2018-11-23 12:37:02,850 INFO L273 TraceCheckUtils]: 37: Hoare triple {27640#(<= (+ ~s~0 2) ~SKIP2~0)} assume !(~s~0 != ~SKIP2~0); {27637#false} is VALID [2018-11-23 12:37:02,850 INFO L273 TraceCheckUtils]: 38: Hoare triple {27637#false} assume !(1 == ~pended~0); {27637#false} is VALID [2018-11-23 12:37:02,850 INFO L273 TraceCheckUtils]: 39: Hoare triple {27637#false} assume ~s~0 == ~DC~0; {27637#false} is VALID [2018-11-23 12:37:02,851 INFO L273 TraceCheckUtils]: 40: Hoare triple {27637#false} assume 259 == ~status~1; {27637#false} is VALID [2018-11-23 12:37:02,851 INFO L256 TraceCheckUtils]: 41: Hoare triple {27637#false} call errorFn(); {27637#false} is VALID [2018-11-23 12:37:02,851 INFO L273 TraceCheckUtils]: 42: Hoare triple {27637#false} assume !false; {27637#false} is VALID [2018-11-23 12:37:02,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:37:02,853 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:02,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:37:02,853 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-11-23 12:37:02,854 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:37:02,854 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 12:37:02,933 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:37:02,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:37:02,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:37:02,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:37:02,934 INFO L87 Difference]: Start difference. First operand 804 states and 1087 transitions. Second operand 5 states. [2018-11-23 12:37:05,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:05,766 INFO L93 Difference]: Finished difference Result 817 states and 1099 transitions. [2018-11-23 12:37:05,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 12:37:05,766 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-11-23 12:37:05,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:37:05,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 527 transitions. [2018-11-23 12:37:05,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:37:05,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 527 transitions. [2018-11-23 12:37:05,774 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 527 transitions. [2018-11-23 12:37:06,419 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 527 edges. 527 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:37:06,470 INFO L225 Difference]: With dead ends: 817 [2018-11-23 12:37:06,470 INFO L226 Difference]: Without dead ends: 808 [2018-11-23 12:37:06,471 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:37:06,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2018-11-23 12:37:07,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 804. [2018-11-23 12:37:07,627 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:37:07,627 INFO L82 GeneralOperation]: Start isEquivalent. First operand 808 states. Second operand 804 states. [2018-11-23 12:37:07,627 INFO L74 IsIncluded]: Start isIncluded. First operand 808 states. Second operand 804 states. [2018-11-23 12:37:07,627 INFO L87 Difference]: Start difference. First operand 808 states. Second operand 804 states. [2018-11-23 12:37:07,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:07,665 INFO L93 Difference]: Finished difference Result 808 states and 1088 transitions. [2018-11-23 12:37:07,665 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1088 transitions. [2018-11-23 12:37:07,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:07,667 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:07,667 INFO L74 IsIncluded]: Start isIncluded. First operand 804 states. Second operand 808 states. [2018-11-23 12:37:07,667 INFO L87 Difference]: Start difference. First operand 804 states. Second operand 808 states. [2018-11-23 12:37:07,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:07,708 INFO L93 Difference]: Finished difference Result 808 states and 1088 transitions. [2018-11-23 12:37:07,708 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1088 transitions. [2018-11-23 12:37:07,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:07,711 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:07,711 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:37:07,711 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:37:07,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-11-23 12:37:07,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1085 transitions. [2018-11-23 12:37:07,754 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1085 transitions. Word has length 43 [2018-11-23 12:37:07,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:07,754 INFO L480 AbstractCegarLoop]: Abstraction has 804 states and 1085 transitions. [2018-11-23 12:37:07,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:37:07,755 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1085 transitions. [2018-11-23 12:37:07,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 12:37:07,755 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:07,755 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:37:07,756 INFO L423 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:07,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:07,756 INFO L82 PathProgramCache]: Analyzing trace with hash -514424031, now seen corresponding path program 1 times [2018-11-23 12:37:07,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:07,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:07,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:07,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:07,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:08,185 INFO L256 TraceCheckUtils]: 0: Hoare triple {31455#true} call ULTIMATE.init(); {31455#true} is VALID [2018-11-23 12:37:08,185 INFO L273 TraceCheckUtils]: 1: Hoare triple {31455#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {31455#true} is VALID [2018-11-23 12:37:08,186 INFO L273 TraceCheckUtils]: 2: Hoare triple {31455#true} assume true; {31455#true} is VALID [2018-11-23 12:37:08,186 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {31455#true} {31455#true} #1155#return; {31455#true} is VALID [2018-11-23 12:37:08,186 INFO L256 TraceCheckUtils]: 4: Hoare triple {31455#true} call #t~ret166 := main(); {31455#true} is VALID [2018-11-23 12:37:08,186 INFO L273 TraceCheckUtils]: 5: Hoare triple {31455#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {31455#true} is VALID [2018-11-23 12:37:08,187 INFO L256 TraceCheckUtils]: 6: Hoare triple {31455#true} call _BLAST_init(); {31455#true} is VALID [2018-11-23 12:37:08,187 INFO L273 TraceCheckUtils]: 7: Hoare triple {31455#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {31455#true} is VALID [2018-11-23 12:37:08,187 INFO L273 TraceCheckUtils]: 8: Hoare triple {31455#true} assume true; {31455#true} is VALID [2018-11-23 12:37:08,187 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {31455#true} {31455#true} #1063#return; {31455#true} is VALID [2018-11-23 12:37:08,187 INFO L273 TraceCheckUtils]: 10: Hoare triple {31455#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {31455#true} is VALID [2018-11-23 12:37:08,188 INFO L273 TraceCheckUtils]: 11: Hoare triple {31455#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {31455#true} is VALID [2018-11-23 12:37:08,188 INFO L256 TraceCheckUtils]: 12: Hoare triple {31455#true} call stub_driver_init(); {31455#true} is VALID [2018-11-23 12:37:08,188 INFO L273 TraceCheckUtils]: 13: Hoare triple {31455#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {31455#true} is VALID [2018-11-23 12:37:08,188 INFO L273 TraceCheckUtils]: 14: Hoare triple {31455#true} assume true; {31455#true} is VALID [2018-11-23 12:37:08,188 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {31455#true} {31455#true} #1065#return; {31455#true} is VALID [2018-11-23 12:37:08,190 INFO L273 TraceCheckUtils]: 16: Hoare triple {31455#true} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {31455#true} is VALID [2018-11-23 12:37:08,190 INFO L273 TraceCheckUtils]: 17: Hoare triple {31455#true} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {31455#true} is VALID [2018-11-23 12:37:08,191 INFO L273 TraceCheckUtils]: 18: Hoare triple {31455#true} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {31455#true} is VALID [2018-11-23 12:37:08,191 INFO L273 TraceCheckUtils]: 19: Hoare triple {31455#true} assume 2 == ~tmp_ndt_3~0; {31455#true} is VALID [2018-11-23 12:37:08,191 INFO L256 TraceCheckUtils]: 20: Hoare triple {31455#true} call #t~ret95 := FloppyDeviceControl(~devobj~0, ~pirp~0); {31455#true} is VALID [2018-11-23 12:37:08,191 INFO L273 TraceCheckUtils]: 21: Hoare triple {31455#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet112 && #t~nondet112 <= 2147483647;~disketteExtension__HoldNewRequests~2 := #t~nondet112;havoc #t~nondet112;assume -2147483648 <= #t~nondet113 && #t~nondet113 <= 2147483647;~disketteExtension__IsRemoved~1 := #t~nondet113;havoc #t~nondet113;havoc ~Irp__IoStatus__Information~3;assume -2147483648 <= #t~nondet114 && #t~nondet114 <= 2147483647;~disketteExtension__IsStarted~2 := #t~nondet114;havoc #t~nondet114;assume -2147483648 <= #t~nondet115 && #t~nondet115 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet115;havoc #t~nondet115;assume -2147483648 <= #t~nondet116 && #t~nondet116 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~2 := #t~nondet116;havoc #t~nondet116;assume -2147483648 <= #t~nondet117 && #t~nondet117 <= 2147483647;~disketteExtension__TargetObject~2 := #t~nondet117;havoc #t~nondet117;assume -2147483648 <= #t~nondet118 && #t~nondet118 <= 2147483647;~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 := #t~nondet118;havoc #t~nondet118;assume -2147483648 <= #t~nondet119 && #t~nondet119 <= 2147483647;~sizeof__MOUNTDEV_NAME~0 := #t~nondet119;havoc #t~nondet119;assume -2147483648 <= #t~nondet120 && #t~nondet120 <= 2147483647;~Irp__AssociatedIrp__SystemBuffer~0 := #t~nondet120;havoc #t~nondet120;havoc ~mountName__NameLength~0;assume -2147483648 <= #t~nondet121 && #t~nondet121 <= 2147483647;~disketteExtension__DeviceName__Length~0 := #t~nondet121;havoc #t~nondet121;assume -2147483648 <= #t~nondet122 && #t~nondet122 <= 2147483647;~sizeof__USHORT~0 := #t~nondet122;havoc #t~nondet122;assume -2147483648 <= #t~nondet123 && #t~nondet123 <= 2147483647;~disketteExtension__InterfaceString__Buffer~1 := #t~nondet123;havoc #t~nondet123;havoc ~uniqueId__UniqueIdLength~0;assume -2147483648 <= #t~nondet124 && #t~nondet124 <= 2147483647;~disketteExtension__InterfaceString__Length~0 := #t~nondet124;havoc #t~nondet124;assume -2147483648 <= #t~nondet125 && #t~nondet125 <= 2147483647;~sizeof__MOUNTDEV_UNIQUE_ID~0 := #t~nondet125;havoc #t~nondet125;assume -2147483648 <= #t~nondet126 && #t~nondet126 <= 2147483647;~irpSp__Parameters__DeviceIoControl__InputBufferLength~0 := #t~nondet126;havoc #t~nondet126;assume -2147483648 <= #t~nondet127 && #t~nondet127 <= 2147483647;~sizeof__FORMAT_PARAMETERS~0 := #t~nondet127;havoc #t~nondet127;assume -2147483648 <= #t~nondet128 && #t~nondet128 <= 2147483647;~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 := #t~nondet128;havoc #t~nondet128;assume -2147483648 <= #t~nondet129 && #t~nondet129 <= 2147483647;~sizeof__FORMAT_EX_PARAMETERS~0 := #t~nondet129;havoc #t~nondet129;assume -2147483648 <= #t~nondet130 && #t~nondet130 <= 2147483647;~formatExParameters__FormatGapLength~0 := #t~nondet130;havoc #t~nondet130;assume -2147483648 <= #t~nondet131 && #t~nondet131 <= 2147483647;~formatExParameters__SectorsPerTrack~0 := #t~nondet131;havoc #t~nondet131;assume -2147483648 <= #t~nondet132 && #t~nondet132 <= 2147483647;~sizeof__DISK_GEOMETRY~0 := #t~nondet132;havoc #t~nondet132;havoc ~Irp__IoStatus__Status___0~0;assume -2147483648 <= #t~nondet133 && #t~nondet133 <= 2147483647;~disketteExtension~2 := #t~nondet133;havoc #t~nondet133;havoc ~ntStatus~3;havoc ~outputBufferLength~0;assume -2147483648 <= #t~nondet134 && #t~nondet134 <= 2147483647;~lowestDriveMediaType~0 := #t~nondet134;havoc #t~nondet134;assume -2147483648 <= #t~nondet135 && #t~nondet135 <= 2147483647;~highestDriveMediaType~0 := #t~nondet135;havoc #t~nondet135;assume -2147483648 <= #t~nondet136 && #t~nondet136 <= 2147483647;~formatExParametersSize~0 := #t~nondet136;havoc #t~nondet136;havoc ~formatExParameters~0;havoc ~tmp~0;havoc ~mountName~0;havoc ~uniqueId~0;havoc ~tmp___0~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;assume -2147483648 <= #t~nondet137 && #t~nondet137 <= 2147483647;~__cil_tmp41~0 := #t~nondet137;havoc #t~nondet137;havoc ~__cil_tmp42~1;havoc ~__cil_tmp43~1;assume -2147483648 <= #t~nondet138 && #t~nondet138 <= 2147483647;~__cil_tmp44~1 := #t~nondet138;havoc #t~nondet138;assume -2147483648 <= #t~nondet139 && #t~nondet139 <= 2147483647;~__cil_tmp45~1 := #t~nondet139;havoc #t~nondet139;havoc ~__cil_tmp46~1;havoc ~__cil_tmp47~1;havoc ~__cil_tmp48~1;havoc ~__cil_tmp49~1;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~__cil_tmp50~0 := #t~nondet140;havoc #t~nondet140;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~__cil_tmp55~0 := #t~nondet141;havoc #t~nondet141;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;assume -2147483648 <= #t~nondet142 && #t~nondet142 <= 2147483647;~__cil_tmp60~0 := #t~nondet142;havoc #t~nondet142;havoc ~__cil_tmp61~0;havoc ~__cil_tmp62~0;havoc ~__cil_tmp63~0;havoc ~__cil_tmp64~0;assume -2147483648 <= #t~nondet143 && #t~nondet143 <= 2147483647;~__cil_tmp65~0 := #t~nondet143;havoc #t~nondet143;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~__cil_tmp66~0 := #t~nondet144;havoc #t~nondet144;havoc ~__cil_tmp67~0;havoc ~__cil_tmp68~0;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~__cil_tmp69~0 := #t~nondet145;havoc #t~nondet145;havoc ~__cil_tmp70~0;havoc ~__cil_tmp71~0;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~__cil_tmp72~0 := #t~nondet146;havoc #t~nondet146;havoc ~__cil_tmp73~0;havoc ~__cil_tmp74~0;assume -2147483648 <= #t~nondet147 && #t~nondet147 <= 2147483647;~__cil_tmp75~0 := #t~nondet147;havoc #t~nondet147;havoc ~__cil_tmp76~0;havoc ~__cil_tmp77~0;assume -2147483648 <= #t~nondet148 && #t~nondet148 <= 2147483647;~__cil_tmp78~0 := #t~nondet148;havoc #t~nondet148;havoc ~__cil_tmp79~0;havoc ~__cil_tmp80~0;assume -2147483648 <= #t~nondet149 && #t~nondet149 <= 2147483647;~__cil_tmp81~0 := #t~nondet149;havoc #t~nondet149;havoc ~__cil_tmp82~0;havoc ~__cil_tmp83~0;havoc ~__cil_tmp84~0;havoc ~__cil_tmp85~0;havoc ~__cil_tmp86~0;havoc ~__cil_tmp87~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~__cil_tmp88~0 := #t~nondet150;havoc #t~nondet150;havoc ~__cil_tmp89~0;havoc ~__cil_tmp90~0;havoc ~__cil_tmp91~0; {31455#true} is VALID [2018-11-23 12:37:08,191 INFO L273 TraceCheckUtils]: 22: Hoare triple {31455#true} assume !(0 != ~disketteExtension__HoldNewRequests~2); {31455#true} is VALID [2018-11-23 12:37:08,192 INFO L273 TraceCheckUtils]: 23: Hoare triple {31455#true} assume !(0 != ~disketteExtension__IsRemoved~1); {31455#true} is VALID [2018-11-23 12:37:08,192 INFO L273 TraceCheckUtils]: 24: Hoare triple {31455#true} assume !(0 == ~disketteExtension__IsStarted~2); {31455#true} is VALID [2018-11-23 12:37:08,192 INFO L273 TraceCheckUtils]: 25: Hoare triple {31455#true} assume ~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 == ~__cil_tmp44~1; {31455#true} is VALID [2018-11-23 12:37:08,205 INFO L273 TraceCheckUtils]: 26: Hoare triple {31455#true} assume ~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 < ~sizeof__MOUNTDEV_NAME~0;~ntStatus~3 := -1073741811; {31457#(<= (+ FloppyDeviceControl_~ntStatus~3 1073741811) 0)} is VALID [2018-11-23 12:37:08,219 INFO L273 TraceCheckUtils]: 27: Hoare triple {31457#(<= (+ FloppyDeviceControl_~ntStatus~3 1073741811) 0)} ~__cil_tmp91~0 := ~ntStatus~3; {31458#(<= (+ FloppyDeviceControl_~__cil_tmp91~0 1073741811) 0)} is VALID [2018-11-23 12:37:08,228 INFO L273 TraceCheckUtils]: 28: Hoare triple {31458#(<= (+ FloppyDeviceControl_~__cil_tmp91~0 1073741811) 0)} assume !(259 != ~__cil_tmp91~0); {31456#false} is VALID [2018-11-23 12:37:08,228 INFO L273 TraceCheckUtils]: 29: Hoare triple {31456#false} #res := ~ntStatus~3; {31456#false} is VALID [2018-11-23 12:37:08,228 INFO L273 TraceCheckUtils]: 30: Hoare triple {31456#false} assume true; {31456#false} is VALID [2018-11-23 12:37:08,229 INFO L268 TraceCheckUtils]: 31: Hoare quadruple {31456#false} {31455#true} #1071#return; {31456#false} is VALID [2018-11-23 12:37:08,229 INFO L273 TraceCheckUtils]: 32: Hoare triple {31456#false} assume -2147483648 <= #t~ret95 && #t~ret95 <= 2147483647;~status~1 := #t~ret95;havoc #t~ret95; {31456#false} is VALID [2018-11-23 12:37:08,229 INFO L273 TraceCheckUtils]: 33: Hoare triple {31456#false} assume !(1 == ~pended~0); {31456#false} is VALID [2018-11-23 12:37:08,230 INFO L273 TraceCheckUtils]: 34: Hoare triple {31456#false} assume !(1 == ~pended~0); {31456#false} is VALID [2018-11-23 12:37:08,230 INFO L273 TraceCheckUtils]: 35: Hoare triple {31456#false} assume ~s~0 != ~UNLOADED~0; {31456#false} is VALID [2018-11-23 12:37:08,230 INFO L273 TraceCheckUtils]: 36: Hoare triple {31456#false} assume -1 != ~status~1; {31456#false} is VALID [2018-11-23 12:37:08,230 INFO L273 TraceCheckUtils]: 37: Hoare triple {31456#false} assume ~s~0 != ~SKIP2~0; {31456#false} is VALID [2018-11-23 12:37:08,231 INFO L273 TraceCheckUtils]: 38: Hoare triple {31456#false} assume ~s~0 != ~IPC~0; {31456#false} is VALID [2018-11-23 12:37:08,231 INFO L273 TraceCheckUtils]: 39: Hoare triple {31456#false} assume ~s~0 != ~DC~0; {31456#false} is VALID [2018-11-23 12:37:08,231 INFO L256 TraceCheckUtils]: 40: Hoare triple {31456#false} call errorFn(); {31456#false} is VALID [2018-11-23 12:37:08,231 INFO L273 TraceCheckUtils]: 41: Hoare triple {31456#false} assume !false; {31456#false} is VALID [2018-11-23 12:37:08,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:37:08,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:08,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 12:37:08,234 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2018-11-23 12:37:08,235 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:37:08,235 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 12:37:08,527 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:37:08,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 12:37:08,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 12:37:08,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:37:08,528 INFO L87 Difference]: Start difference. First operand 804 states and 1085 transitions. Second operand 4 states. [2018-11-23 12:37:11,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:11,200 INFO L93 Difference]: Finished difference Result 832 states and 1118 transitions. [2018-11-23 12:37:11,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 12:37:11,200 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2018-11-23 12:37:11,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:11,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 12:37:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 516 transitions. [2018-11-23 12:37:11,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 12:37:11,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 516 transitions. [2018-11-23 12:37:11,208 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 516 transitions. [2018-11-23 12:37:12,296 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 516 edges. 516 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:37:12,340 INFO L225 Difference]: With dead ends: 832 [2018-11-23 12:37:12,340 INFO L226 Difference]: Without dead ends: 810 [2018-11-23 12:37:12,341 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:37:12,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-11-23 12:37:13,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 806. [2018-11-23 12:37:13,507 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:37:13,507 INFO L82 GeneralOperation]: Start isEquivalent. First operand 810 states. Second operand 806 states. [2018-11-23 12:37:13,507 INFO L74 IsIncluded]: Start isIncluded. First operand 810 states. Second operand 806 states. [2018-11-23 12:37:13,507 INFO L87 Difference]: Start difference. First operand 810 states. Second operand 806 states. [2018-11-23 12:37:13,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:13,545 INFO L93 Difference]: Finished difference Result 810 states and 1092 transitions. [2018-11-23 12:37:13,545 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1092 transitions. [2018-11-23 12:37:13,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:13,547 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:13,547 INFO L74 IsIncluded]: Start isIncluded. First operand 806 states. Second operand 810 states. [2018-11-23 12:37:13,548 INFO L87 Difference]: Start difference. First operand 806 states. Second operand 810 states. [2018-11-23 12:37:13,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:13,585 INFO L93 Difference]: Finished difference Result 810 states and 1092 transitions. [2018-11-23 12:37:13,585 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1092 transitions. [2018-11-23 12:37:13,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:13,587 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:13,587 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:37:13,587 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:37:13,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2018-11-23 12:37:13,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1087 transitions. [2018-11-23 12:37:13,624 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1087 transitions. Word has length 42 [2018-11-23 12:37:13,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:13,624 INFO L480 AbstractCegarLoop]: Abstraction has 806 states and 1087 transitions. [2018-11-23 12:37:13,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 12:37:13,624 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1087 transitions. [2018-11-23 12:37:13,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 12:37:13,625 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:13,625 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:37:13,626 INFO L423 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:13,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:13,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1193401920, now seen corresponding path program 1 times [2018-11-23 12:37:13,626 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:13,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:13,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:13,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:13,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:13,834 INFO L256 TraceCheckUtils]: 0: Hoare triple {35299#true} call ULTIMATE.init(); {35299#true} is VALID [2018-11-23 12:37:13,834 INFO L273 TraceCheckUtils]: 1: Hoare triple {35299#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {35299#true} is VALID [2018-11-23 12:37:13,834 INFO L273 TraceCheckUtils]: 2: Hoare triple {35299#true} assume true; {35299#true} is VALID [2018-11-23 12:37:13,835 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {35299#true} {35299#true} #1155#return; {35299#true} is VALID [2018-11-23 12:37:13,835 INFO L256 TraceCheckUtils]: 4: Hoare triple {35299#true} call #t~ret166 := main(); {35299#true} is VALID [2018-11-23 12:37:13,835 INFO L273 TraceCheckUtils]: 5: Hoare triple {35299#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {35299#true} is VALID [2018-11-23 12:37:13,835 INFO L256 TraceCheckUtils]: 6: Hoare triple {35299#true} call _BLAST_init(); {35299#true} is VALID [2018-11-23 12:37:13,835 INFO L273 TraceCheckUtils]: 7: Hoare triple {35299#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {35299#true} is VALID [2018-11-23 12:37:13,835 INFO L273 TraceCheckUtils]: 8: Hoare triple {35299#true} assume true; {35299#true} is VALID [2018-11-23 12:37:13,836 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {35299#true} {35299#true} #1063#return; {35299#true} is VALID [2018-11-23 12:37:13,836 INFO L273 TraceCheckUtils]: 10: Hoare triple {35299#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {35299#true} is VALID [2018-11-23 12:37:13,836 INFO L273 TraceCheckUtils]: 11: Hoare triple {35299#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {35299#true} is VALID [2018-11-23 12:37:13,836 INFO L256 TraceCheckUtils]: 12: Hoare triple {35299#true} call stub_driver_init(); {35299#true} is VALID [2018-11-23 12:37:13,836 INFO L273 TraceCheckUtils]: 13: Hoare triple {35299#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {35299#true} is VALID [2018-11-23 12:37:13,837 INFO L273 TraceCheckUtils]: 14: Hoare triple {35299#true} assume true; {35299#true} is VALID [2018-11-23 12:37:13,837 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {35299#true} {35299#true} #1065#return; {35299#true} is VALID [2018-11-23 12:37:13,837 INFO L273 TraceCheckUtils]: 16: Hoare triple {35299#true} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {35299#true} is VALID [2018-11-23 12:37:13,837 INFO L273 TraceCheckUtils]: 17: Hoare triple {35299#true} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {35299#true} is VALID [2018-11-23 12:37:13,837 INFO L273 TraceCheckUtils]: 18: Hoare triple {35299#true} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {35299#true} is VALID [2018-11-23 12:37:13,838 INFO L273 TraceCheckUtils]: 19: Hoare triple {35299#true} assume !(2 == ~tmp_ndt_3~0);havoc ~tmp_ndt_4~0;assume -2147483648 <= #t~nondet92 && #t~nondet92 <= 2147483647;~tmp_ndt_4~0 := #t~nondet92;havoc #t~nondet92; {35299#true} is VALID [2018-11-23 12:37:13,838 INFO L273 TraceCheckUtils]: 20: Hoare triple {35299#true} assume 3 == ~tmp_ndt_4~0; {35299#true} is VALID [2018-11-23 12:37:13,838 INFO L256 TraceCheckUtils]: 21: Hoare triple {35299#true} call #t~ret96 := FloppyPnp(~devobj~0, ~pirp~0); {35299#true} is VALID [2018-11-23 12:37:13,838 INFO L273 TraceCheckUtils]: 22: Hoare triple {35299#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;~DeviceObject__DeviceExtension~0 := #t~nondet12;havoc #t~nondet12;assume -2147483648 <= #t~nondet13 && #t~nondet13 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet13;havoc #t~nondet13;havoc ~Irp__IoStatus__Information~1;havoc ~Irp__IoStatus__Status~1;assume -2147483648 <= #t~nondet14 && #t~nondet14 <= 2147483647;~Irp__CurrentLocation~0 := #t~nondet14;havoc #t~nondet14;assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647;~disketteExtension__IsRemoved~0 := #t~nondet15;havoc #t~nondet15;assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647;~disketteExtension__IsStarted~0 := #t~nondet16;havoc #t~nondet16;assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~disketteExtension__TargetObject~0 := #t~nondet17;havoc #t~nondet17;havoc ~disketteExtension__HoldNewRequests~0;assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~disketteExtension__FloppyThread~0 := #t~nondet18;havoc #t~nondet18;assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~disketteExtension__InterfaceString__Buffer~0 := #t~nondet19;havoc #t~nondet19;assume -2147483648 <= #t~nondet20 && #t~nondet20 <= 2147483647;~disketteExtension__InterfaceString~0 := #t~nondet20;havoc #t~nondet20;assume -2147483648 <= #t~nondet21 && #t~nondet21 <= 2147483647;~disketteExtension__ArcName__Length~0 := #t~nondet21;havoc #t~nondet21;assume -2147483648 <= #t~nondet22 && #t~nondet22 <= 2147483647;~disketteExtension__ArcName~0 := #t~nondet22;havoc #t~nondet22;assume -2147483648 <= #t~nondet23 && #t~nondet23 <= 2147483647;~irpSp__MinorFunction~0 := #t~nondet23;havoc #t~nondet23;assume -2147483648 <= #t~nondet24 && #t~nondet24 <= 2147483647;~IoGetConfigurationInformation__FloppyCount~0 := #t~nondet24;havoc #t~nondet24;havoc ~irpSp~0;havoc ~disketteExtension~0;havoc ~ntStatus~0;assume -2147483648 <= #t~nondet25 && #t~nondet25 <= 2147483647;~doneEvent~0 := #t~nondet25;havoc #t~nondet25;havoc ~irpSp___0~0;havoc ~nextIrpSp~0;havoc ~nextIrpSp__Control~0;havoc ~irpSp___1~0;havoc ~irpSp__Context~0;havoc ~irpSp__Control~0;havoc ~__cil_tmp29~0;havoc ~__cil_tmp30~0;~ntStatus~0 := 0;#t~post26 := ~PagingReferenceCount~0;~PagingReferenceCount~0 := 1 + #t~post26;havoc #t~post26; {35299#true} is VALID [2018-11-23 12:37:13,838 INFO L273 TraceCheckUtils]: 23: Hoare triple {35299#true} assume 1 == ~PagingReferenceCount~0; {35299#true} is VALID [2018-11-23 12:37:13,839 INFO L273 TraceCheckUtils]: 24: Hoare triple {35299#true} ~disketteExtension~0 := ~DeviceObject__DeviceExtension~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0; {35299#true} is VALID [2018-11-23 12:37:13,839 INFO L273 TraceCheckUtils]: 25: Hoare triple {35299#true} assume !(0 != ~disketteExtension__IsRemoved~0); {35299#true} is VALID [2018-11-23 12:37:13,839 INFO L273 TraceCheckUtils]: 26: Hoare triple {35299#true} assume !(0 == ~irpSp__MinorFunction~0); {35299#true} is VALID [2018-11-23 12:37:13,839 INFO L273 TraceCheckUtils]: 27: Hoare triple {35299#true} assume 5 == ~irpSp__MinorFunction~0; {35299#true} is VALID [2018-11-23 12:37:13,839 INFO L273 TraceCheckUtils]: 28: Hoare triple {35299#true} assume 5 == ~irpSp__MinorFunction~0; {35299#true} is VALID [2018-11-23 12:37:13,840 INFO L273 TraceCheckUtils]: 29: Hoare triple {35299#true} assume !(0 == ~disketteExtension__IsStarted~0);~disketteExtension__HoldNewRequests~0 := 1; {35299#true} is VALID [2018-11-23 12:37:13,840 INFO L256 TraceCheckUtils]: 30: Hoare triple {35299#true} call #t~ret31 := FlQueueIrpToThread(~Irp, ~disketteExtension~0); {35299#true} is VALID [2018-11-23 12:37:13,840 INFO L273 TraceCheckUtils]: 31: Hoare triple {35299#true} ~Irp := #in~Irp;~DisketteExtension := #in~DisketteExtension;havoc ~status~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~threadHandle~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~DisketteExtension__PoweringDown~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~DisketteExtension__ThreadReferenceCount~0 := #t~nondet2;havoc #t~nondet2;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~DisketteExtension__FloppyThread~0 := #t~nondet3;havoc #t~nondet3;havoc ~Irp__IoStatus__Status~0;havoc ~Irp__IoStatus__Information~0;havoc ~Irp__Tail__Overlay__CurrentStackLocation__Control~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~ObjAttributes~0 := #t~nondet4;havoc #t~nondet4;havoc ~__cil_tmp12~0;havoc ~__cil_tmp13~0; {35299#true} is VALID [2018-11-23 12:37:13,840 INFO L273 TraceCheckUtils]: 32: Hoare triple {35299#true} assume 1 == ~DisketteExtension__PoweringDown~0;~myStatus~0 := -1073741101;~Irp__IoStatus__Status~0 := -1073741101;~Irp__IoStatus__Information~0 := 0;#res := -1073741101; {35299#true} is VALID [2018-11-23 12:37:13,841 INFO L273 TraceCheckUtils]: 33: Hoare triple {35299#true} assume true; {35299#true} is VALID [2018-11-23 12:37:13,841 INFO L268 TraceCheckUtils]: 34: Hoare quadruple {35299#true} {35299#true} #1023#return; {35299#true} is VALID [2018-11-23 12:37:13,841 INFO L273 TraceCheckUtils]: 35: Hoare triple {35299#true} assume -2147483648 <= #t~ret31 && #t~ret31 <= 2147483647;~ntStatus~0 := #t~ret31;havoc #t~ret31;~__cil_tmp29~0 := ~ntStatus~0; {35299#true} is VALID [2018-11-23 12:37:13,841 INFO L273 TraceCheckUtils]: 36: Hoare triple {35299#true} assume 259 == ~__cil_tmp29~0; {35299#true} is VALID [2018-11-23 12:37:13,841 INFO L256 TraceCheckUtils]: 37: Hoare triple {35299#true} call #t~ret32 := KeWaitForSingleObject(~disketteExtension__FloppyThread~0, ~Executive~0, ~KernelMode~0, 0, 0); {35299#true} is VALID [2018-11-23 12:37:13,842 INFO L273 TraceCheckUtils]: 38: Hoare triple {35299#true} ~Object := #in~Object;~WaitReason := #in~WaitReason;~WaitMode := #in~WaitMode;~Alertable := #in~Alertable;~Timeout := #in~Timeout; {35299#true} is VALID [2018-11-23 12:37:13,847 INFO L273 TraceCheckUtils]: 39: Hoare triple {35299#true} assume !(~s~0 == ~MPR3~0); {35301#(not (= ~s~0 ~MPR3~0))} is VALID [2018-11-23 12:37:13,847 INFO L273 TraceCheckUtils]: 40: Hoare triple {35301#(not (= ~s~0 ~MPR3~0))} assume !(1 == ~customIrp~0); {35301#(not (= ~s~0 ~MPR3~0))} is VALID [2018-11-23 12:37:13,849 INFO L273 TraceCheckUtils]: 41: Hoare triple {35301#(not (= ~s~0 ~MPR3~0))} assume ~s~0 == ~MPR3~0; {35300#false} is VALID [2018-11-23 12:37:13,849 INFO L256 TraceCheckUtils]: 42: Hoare triple {35300#false} call errorFn(); {35300#false} is VALID [2018-11-23 12:37:13,849 INFO L273 TraceCheckUtils]: 43: Hoare triple {35300#false} assume !false; {35300#false} is VALID [2018-11-23 12:37:13,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:37:13,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:13,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:37:13,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-11-23 12:37:13,851 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:37:13,852 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:37:13,898 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:37:13,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:37:13,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:37:13,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:37:13,899 INFO L87 Difference]: Start difference. First operand 806 states and 1087 transitions. Second operand 3 states. [2018-11-23 12:37:17,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:17,231 INFO L93 Difference]: Finished difference Result 1186 states and 1614 transitions. [2018-11-23 12:37:17,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:37:17,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-11-23 12:37:17,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:17,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:37:17,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 653 transitions. [2018-11-23 12:37:17,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:37:17,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 653 transitions. [2018-11-23 12:37:17,239 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 653 transitions. [2018-11-23 12:37:17,834 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 653 edges. 653 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:37:17,905 INFO L225 Difference]: With dead ends: 1186 [2018-11-23 12:37:17,905 INFO L226 Difference]: Without dead ends: 1183 [2018-11-23 12:37:17,906 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:37:17,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2018-11-23 12:37:21,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 929. [2018-11-23 12:37:21,455 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:37:21,455 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1183 states. Second operand 929 states. [2018-11-23 12:37:21,455 INFO L74 IsIncluded]: Start isIncluded. First operand 1183 states. Second operand 929 states. [2018-11-23 12:37:21,455 INFO L87 Difference]: Start difference. First operand 1183 states. Second operand 929 states. [2018-11-23 12:37:21,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:21,516 INFO L93 Difference]: Finished difference Result 1183 states and 1607 transitions. [2018-11-23 12:37:21,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1607 transitions. [2018-11-23 12:37:21,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:21,519 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:21,519 INFO L74 IsIncluded]: Start isIncluded. First operand 929 states. Second operand 1183 states. [2018-11-23 12:37:21,519 INFO L87 Difference]: Start difference. First operand 929 states. Second operand 1183 states. [2018-11-23 12:37:21,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:21,582 INFO L93 Difference]: Finished difference Result 1183 states and 1607 transitions. [2018-11-23 12:37:21,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1607 transitions. [2018-11-23 12:37:21,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:21,584 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:21,584 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:37:21,585 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:37:21,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2018-11-23 12:37:21,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1256 transitions. [2018-11-23 12:37:21,627 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1256 transitions. Word has length 44 [2018-11-23 12:37:21,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:21,627 INFO L480 AbstractCegarLoop]: Abstraction has 929 states and 1256 transitions. [2018-11-23 12:37:21,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:37:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1256 transitions. [2018-11-23 12:37:21,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 12:37:21,628 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:21,628 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:37:21,628 INFO L423 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:21,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:21,629 INFO L82 PathProgramCache]: Analyzing trace with hash 235619149, now seen corresponding path program 1 times [2018-11-23 12:37:21,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:21,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:21,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:21,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:21,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:21,921 INFO L256 TraceCheckUtils]: 0: Hoare triple {40558#true} call ULTIMATE.init(); {40558#true} is VALID [2018-11-23 12:37:21,921 INFO L273 TraceCheckUtils]: 1: Hoare triple {40558#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {40558#true} is VALID [2018-11-23 12:37:21,921 INFO L273 TraceCheckUtils]: 2: Hoare triple {40558#true} assume true; {40558#true} is VALID [2018-11-23 12:37:21,922 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {40558#true} {40558#true} #1155#return; {40558#true} is VALID [2018-11-23 12:37:21,922 INFO L256 TraceCheckUtils]: 4: Hoare triple {40558#true} call #t~ret166 := main(); {40558#true} is VALID [2018-11-23 12:37:21,922 INFO L273 TraceCheckUtils]: 5: Hoare triple {40558#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {40558#true} is VALID [2018-11-23 12:37:21,922 INFO L256 TraceCheckUtils]: 6: Hoare triple {40558#true} call _BLAST_init(); {40558#true} is VALID [2018-11-23 12:37:21,923 INFO L273 TraceCheckUtils]: 7: Hoare triple {40558#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {40560#(<= (+ ~DC~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,924 INFO L273 TraceCheckUtils]: 8: Hoare triple {40560#(<= (+ ~DC~0 5) ~IPC~0)} assume true; {40560#(<= (+ ~DC~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,924 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {40560#(<= (+ ~DC~0 5) ~IPC~0)} {40558#true} #1063#return; {40560#(<= (+ ~DC~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,926 INFO L273 TraceCheckUtils]: 10: Hoare triple {40560#(<= (+ ~DC~0 5) ~IPC~0)} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {40560#(<= (+ ~DC~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,926 INFO L273 TraceCheckUtils]: 11: Hoare triple {40560#(<= (+ ~DC~0 5) ~IPC~0)} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {40560#(<= (+ ~DC~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,926 INFO L256 TraceCheckUtils]: 12: Hoare triple {40560#(<= (+ ~DC~0 5) ~IPC~0)} call stub_driver_init(); {40558#true} is VALID [2018-11-23 12:37:21,926 INFO L273 TraceCheckUtils]: 13: Hoare triple {40558#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {40558#true} is VALID [2018-11-23 12:37:21,926 INFO L273 TraceCheckUtils]: 14: Hoare triple {40558#true} assume true; {40558#true} is VALID [2018-11-23 12:37:21,928 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {40558#true} {40560#(<= (+ ~DC~0 5) ~IPC~0)} #1065#return; {40560#(<= (+ ~DC~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,928 INFO L273 TraceCheckUtils]: 16: Hoare triple {40560#(<= (+ ~DC~0 5) ~IPC~0)} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {40560#(<= (+ ~DC~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,930 INFO L273 TraceCheckUtils]: 17: Hoare triple {40560#(<= (+ ~DC~0 5) ~IPC~0)} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {40560#(<= (+ ~DC~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,930 INFO L273 TraceCheckUtils]: 18: Hoare triple {40560#(<= (+ ~DC~0 5) ~IPC~0)} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {40560#(<= (+ ~DC~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,932 INFO L273 TraceCheckUtils]: 19: Hoare triple {40560#(<= (+ ~DC~0 5) ~IPC~0)} assume 2 == ~tmp_ndt_3~0; {40560#(<= (+ ~DC~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,932 INFO L256 TraceCheckUtils]: 20: Hoare triple {40560#(<= (+ ~DC~0 5) ~IPC~0)} call #t~ret95 := FloppyDeviceControl(~devobj~0, ~pirp~0); {40558#true} is VALID [2018-11-23 12:37:21,932 INFO L273 TraceCheckUtils]: 21: Hoare triple {40558#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet112 && #t~nondet112 <= 2147483647;~disketteExtension__HoldNewRequests~2 := #t~nondet112;havoc #t~nondet112;assume -2147483648 <= #t~nondet113 && #t~nondet113 <= 2147483647;~disketteExtension__IsRemoved~1 := #t~nondet113;havoc #t~nondet113;havoc ~Irp__IoStatus__Information~3;assume -2147483648 <= #t~nondet114 && #t~nondet114 <= 2147483647;~disketteExtension__IsStarted~2 := #t~nondet114;havoc #t~nondet114;assume -2147483648 <= #t~nondet115 && #t~nondet115 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet115;havoc #t~nondet115;assume -2147483648 <= #t~nondet116 && #t~nondet116 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~2 := #t~nondet116;havoc #t~nondet116;assume -2147483648 <= #t~nondet117 && #t~nondet117 <= 2147483647;~disketteExtension__TargetObject~2 := #t~nondet117;havoc #t~nondet117;assume -2147483648 <= #t~nondet118 && #t~nondet118 <= 2147483647;~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 := #t~nondet118;havoc #t~nondet118;assume -2147483648 <= #t~nondet119 && #t~nondet119 <= 2147483647;~sizeof__MOUNTDEV_NAME~0 := #t~nondet119;havoc #t~nondet119;assume -2147483648 <= #t~nondet120 && #t~nondet120 <= 2147483647;~Irp__AssociatedIrp__SystemBuffer~0 := #t~nondet120;havoc #t~nondet120;havoc ~mountName__NameLength~0;assume -2147483648 <= #t~nondet121 && #t~nondet121 <= 2147483647;~disketteExtension__DeviceName__Length~0 := #t~nondet121;havoc #t~nondet121;assume -2147483648 <= #t~nondet122 && #t~nondet122 <= 2147483647;~sizeof__USHORT~0 := #t~nondet122;havoc #t~nondet122;assume -2147483648 <= #t~nondet123 && #t~nondet123 <= 2147483647;~disketteExtension__InterfaceString__Buffer~1 := #t~nondet123;havoc #t~nondet123;havoc ~uniqueId__UniqueIdLength~0;assume -2147483648 <= #t~nondet124 && #t~nondet124 <= 2147483647;~disketteExtension__InterfaceString__Length~0 := #t~nondet124;havoc #t~nondet124;assume -2147483648 <= #t~nondet125 && #t~nondet125 <= 2147483647;~sizeof__MOUNTDEV_UNIQUE_ID~0 := #t~nondet125;havoc #t~nondet125;assume -2147483648 <= #t~nondet126 && #t~nondet126 <= 2147483647;~irpSp__Parameters__DeviceIoControl__InputBufferLength~0 := #t~nondet126;havoc #t~nondet126;assume -2147483648 <= #t~nondet127 && #t~nondet127 <= 2147483647;~sizeof__FORMAT_PARAMETERS~0 := #t~nondet127;havoc #t~nondet127;assume -2147483648 <= #t~nondet128 && #t~nondet128 <= 2147483647;~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 := #t~nondet128;havoc #t~nondet128;assume -2147483648 <= #t~nondet129 && #t~nondet129 <= 2147483647;~sizeof__FORMAT_EX_PARAMETERS~0 := #t~nondet129;havoc #t~nondet129;assume -2147483648 <= #t~nondet130 && #t~nondet130 <= 2147483647;~formatExParameters__FormatGapLength~0 := #t~nondet130;havoc #t~nondet130;assume -2147483648 <= #t~nondet131 && #t~nondet131 <= 2147483647;~formatExParameters__SectorsPerTrack~0 := #t~nondet131;havoc #t~nondet131;assume -2147483648 <= #t~nondet132 && #t~nondet132 <= 2147483647;~sizeof__DISK_GEOMETRY~0 := #t~nondet132;havoc #t~nondet132;havoc ~Irp__IoStatus__Status___0~0;assume -2147483648 <= #t~nondet133 && #t~nondet133 <= 2147483647;~disketteExtension~2 := #t~nondet133;havoc #t~nondet133;havoc ~ntStatus~3;havoc ~outputBufferLength~0;assume -2147483648 <= #t~nondet134 && #t~nondet134 <= 2147483647;~lowestDriveMediaType~0 := #t~nondet134;havoc #t~nondet134;assume -2147483648 <= #t~nondet135 && #t~nondet135 <= 2147483647;~highestDriveMediaType~0 := #t~nondet135;havoc #t~nondet135;assume -2147483648 <= #t~nondet136 && #t~nondet136 <= 2147483647;~formatExParametersSize~0 := #t~nondet136;havoc #t~nondet136;havoc ~formatExParameters~0;havoc ~tmp~0;havoc ~mountName~0;havoc ~uniqueId~0;havoc ~tmp___0~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;assume -2147483648 <= #t~nondet137 && #t~nondet137 <= 2147483647;~__cil_tmp41~0 := #t~nondet137;havoc #t~nondet137;havoc ~__cil_tmp42~1;havoc ~__cil_tmp43~1;assume -2147483648 <= #t~nondet138 && #t~nondet138 <= 2147483647;~__cil_tmp44~1 := #t~nondet138;havoc #t~nondet138;assume -2147483648 <= #t~nondet139 && #t~nondet139 <= 2147483647;~__cil_tmp45~1 := #t~nondet139;havoc #t~nondet139;havoc ~__cil_tmp46~1;havoc ~__cil_tmp47~1;havoc ~__cil_tmp48~1;havoc ~__cil_tmp49~1;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~__cil_tmp50~0 := #t~nondet140;havoc #t~nondet140;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~__cil_tmp55~0 := #t~nondet141;havoc #t~nondet141;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;assume -2147483648 <= #t~nondet142 && #t~nondet142 <= 2147483647;~__cil_tmp60~0 := #t~nondet142;havoc #t~nondet142;havoc ~__cil_tmp61~0;havoc ~__cil_tmp62~0;havoc ~__cil_tmp63~0;havoc ~__cil_tmp64~0;assume -2147483648 <= #t~nondet143 && #t~nondet143 <= 2147483647;~__cil_tmp65~0 := #t~nondet143;havoc #t~nondet143;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~__cil_tmp66~0 := #t~nondet144;havoc #t~nondet144;havoc ~__cil_tmp67~0;havoc ~__cil_tmp68~0;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~__cil_tmp69~0 := #t~nondet145;havoc #t~nondet145;havoc ~__cil_tmp70~0;havoc ~__cil_tmp71~0;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~__cil_tmp72~0 := #t~nondet146;havoc #t~nondet146;havoc ~__cil_tmp73~0;havoc ~__cil_tmp74~0;assume -2147483648 <= #t~nondet147 && #t~nondet147 <= 2147483647;~__cil_tmp75~0 := #t~nondet147;havoc #t~nondet147;havoc ~__cil_tmp76~0;havoc ~__cil_tmp77~0;assume -2147483648 <= #t~nondet148 && #t~nondet148 <= 2147483647;~__cil_tmp78~0 := #t~nondet148;havoc #t~nondet148;havoc ~__cil_tmp79~0;havoc ~__cil_tmp80~0;assume -2147483648 <= #t~nondet149 && #t~nondet149 <= 2147483647;~__cil_tmp81~0 := #t~nondet149;havoc #t~nondet149;havoc ~__cil_tmp82~0;havoc ~__cil_tmp83~0;havoc ~__cil_tmp84~0;havoc ~__cil_tmp85~0;havoc ~__cil_tmp86~0;havoc ~__cil_tmp87~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~__cil_tmp88~0 := #t~nondet150;havoc #t~nondet150;havoc ~__cil_tmp89~0;havoc ~__cil_tmp90~0;havoc ~__cil_tmp91~0; {40558#true} is VALID [2018-11-23 12:37:21,932 INFO L273 TraceCheckUtils]: 22: Hoare triple {40558#true} assume !(0 != ~disketteExtension__HoldNewRequests~2); {40558#true} is VALID [2018-11-23 12:37:21,932 INFO L273 TraceCheckUtils]: 23: Hoare triple {40558#true} assume 0 != ~disketteExtension__IsRemoved~1;~Irp__IoStatus__Information~3 := 0;~Irp__IoStatus__Status___0~0 := -1073741738;~myStatus~0 := -1073741738; {40558#true} is VALID [2018-11-23 12:37:21,932 INFO L256 TraceCheckUtils]: 24: Hoare triple {40558#true} call IofCompleteRequest(~Irp, 0); {40558#true} is VALID [2018-11-23 12:37:21,933 INFO L273 TraceCheckUtils]: 25: Hoare triple {40558#true} ~Irp := #in~Irp;~PriorityBoost := #in~PriorityBoost; {40558#true} is VALID [2018-11-23 12:37:21,933 INFO L273 TraceCheckUtils]: 26: Hoare triple {40558#true} assume ~s~0 == ~NP~0;~s~0 := ~DC~0; {40561#(<= ~s~0 ~DC~0)} is VALID [2018-11-23 12:37:21,934 INFO L273 TraceCheckUtils]: 27: Hoare triple {40561#(<= ~s~0 ~DC~0)} assume true; {40561#(<= ~s~0 ~DC~0)} is VALID [2018-11-23 12:37:21,936 INFO L268 TraceCheckUtils]: 28: Hoare quadruple {40561#(<= ~s~0 ~DC~0)} {40558#true} #1129#return; {40561#(<= ~s~0 ~DC~0)} is VALID [2018-11-23 12:37:21,936 INFO L273 TraceCheckUtils]: 29: Hoare triple {40561#(<= ~s~0 ~DC~0)} #res := -1073741738; {40561#(<= ~s~0 ~DC~0)} is VALID [2018-11-23 12:37:21,938 INFO L273 TraceCheckUtils]: 30: Hoare triple {40561#(<= ~s~0 ~DC~0)} assume true; {40561#(<= ~s~0 ~DC~0)} is VALID [2018-11-23 12:37:21,940 INFO L268 TraceCheckUtils]: 31: Hoare quadruple {40561#(<= ~s~0 ~DC~0)} {40560#(<= (+ ~DC~0 5) ~IPC~0)} #1071#return; {40562#(<= (+ ~s~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,940 INFO L273 TraceCheckUtils]: 32: Hoare triple {40562#(<= (+ ~s~0 5) ~IPC~0)} assume -2147483648 <= #t~ret95 && #t~ret95 <= 2147483647;~status~1 := #t~ret95;havoc #t~ret95; {40562#(<= (+ ~s~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,942 INFO L273 TraceCheckUtils]: 33: Hoare triple {40562#(<= (+ ~s~0 5) ~IPC~0)} assume !(1 == ~pended~0); {40562#(<= (+ ~s~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,942 INFO L273 TraceCheckUtils]: 34: Hoare triple {40562#(<= (+ ~s~0 5) ~IPC~0)} assume !(1 == ~pended~0); {40562#(<= (+ ~s~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,944 INFO L273 TraceCheckUtils]: 35: Hoare triple {40562#(<= (+ ~s~0 5) ~IPC~0)} assume ~s~0 != ~UNLOADED~0; {40562#(<= (+ ~s~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,944 INFO L273 TraceCheckUtils]: 36: Hoare triple {40562#(<= (+ ~s~0 5) ~IPC~0)} assume -1 != ~status~1; {40562#(<= (+ ~s~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,946 INFO L273 TraceCheckUtils]: 37: Hoare triple {40562#(<= (+ ~s~0 5) ~IPC~0)} assume ~s~0 != ~SKIP2~0; {40562#(<= (+ ~s~0 5) ~IPC~0)} is VALID [2018-11-23 12:37:21,946 INFO L273 TraceCheckUtils]: 38: Hoare triple {40562#(<= (+ ~s~0 5) ~IPC~0)} assume !(~s~0 != ~IPC~0); {40559#false} is VALID [2018-11-23 12:37:21,946 INFO L273 TraceCheckUtils]: 39: Hoare triple {40559#false} assume !(1 == ~pended~0); {40559#false} is VALID [2018-11-23 12:37:21,946 INFO L273 TraceCheckUtils]: 40: Hoare triple {40559#false} assume ~s~0 == ~DC~0; {40559#false} is VALID [2018-11-23 12:37:21,947 INFO L273 TraceCheckUtils]: 41: Hoare triple {40559#false} assume 259 == ~status~1; {40559#false} is VALID [2018-11-23 12:37:21,947 INFO L256 TraceCheckUtils]: 42: Hoare triple {40559#false} call errorFn(); {40559#false} is VALID [2018-11-23 12:37:21,947 INFO L273 TraceCheckUtils]: 43: Hoare triple {40559#false} assume !false; {40559#false} is VALID [2018-11-23 12:37:21,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:37:21,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:21,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:37:21,949 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2018-11-23 12:37:21,949 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:37:21,949 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 12:37:22,014 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:37:22,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:37:22,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:37:22,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:37:22,015 INFO L87 Difference]: Start difference. First operand 929 states and 1256 transitions. Second operand 5 states. [2018-11-23 12:37:26,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:26,430 INFO L93 Difference]: Finished difference Result 942 states and 1268 transitions. [2018-11-23 12:37:26,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 12:37:26,431 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2018-11-23 12:37:26,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:26,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:37:26,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 526 transitions. [2018-11-23 12:37:26,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:37:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 526 transitions. [2018-11-23 12:37:26,438 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 526 transitions. [2018-11-23 12:37:27,068 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 526 edges. 526 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:37:27,112 INFO L225 Difference]: With dead ends: 942 [2018-11-23 12:37:27,113 INFO L226 Difference]: Without dead ends: 933 [2018-11-23 12:37:27,113 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:37:27,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2018-11-23 12:37:30,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 929. [2018-11-23 12:37:30,209 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:37:30,209 INFO L82 GeneralOperation]: Start isEquivalent. First operand 933 states. Second operand 929 states. [2018-11-23 12:37:30,209 INFO L74 IsIncluded]: Start isIncluded. First operand 933 states. Second operand 929 states. [2018-11-23 12:37:30,210 INFO L87 Difference]: Start difference. First operand 933 states. Second operand 929 states. [2018-11-23 12:37:30,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:30,249 INFO L93 Difference]: Finished difference Result 933 states and 1257 transitions. [2018-11-23 12:37:30,249 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1257 transitions. [2018-11-23 12:37:30,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:30,251 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:30,251 INFO L74 IsIncluded]: Start isIncluded. First operand 929 states. Second operand 933 states. [2018-11-23 12:37:30,251 INFO L87 Difference]: Start difference. First operand 929 states. Second operand 933 states. [2018-11-23 12:37:30,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:30,302 INFO L93 Difference]: Finished difference Result 933 states and 1257 transitions. [2018-11-23 12:37:30,302 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1257 transitions. [2018-11-23 12:37:30,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:30,304 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:30,305 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:37:30,305 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:37:30,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2018-11-23 12:37:30,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1254 transitions. [2018-11-23 12:37:30,347 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1254 transitions. Word has length 44 [2018-11-23 12:37:30,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:30,347 INFO L480 AbstractCegarLoop]: Abstraction has 929 states and 1254 transitions. [2018-11-23 12:37:30,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:37:30,347 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1254 transitions. [2018-11-23 12:37:30,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 12:37:30,348 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:30,348 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:37:30,348 INFO L423 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:30,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:30,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1952216181, now seen corresponding path program 1 times [2018-11-23 12:37:30,349 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:30,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:30,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:30,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:30,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:30,542 INFO L256 TraceCheckUtils]: 0: Hoare triple {44977#true} call ULTIMATE.init(); {44977#true} is VALID [2018-11-23 12:37:30,542 INFO L273 TraceCheckUtils]: 1: Hoare triple {44977#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {44977#true} is VALID [2018-11-23 12:37:30,542 INFO L273 TraceCheckUtils]: 2: Hoare triple {44977#true} assume true; {44977#true} is VALID [2018-11-23 12:37:30,543 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {44977#true} {44977#true} #1155#return; {44977#true} is VALID [2018-11-23 12:37:30,543 INFO L256 TraceCheckUtils]: 4: Hoare triple {44977#true} call #t~ret166 := main(); {44977#true} is VALID [2018-11-23 12:37:30,543 INFO L273 TraceCheckUtils]: 5: Hoare triple {44977#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {44977#true} is VALID [2018-11-23 12:37:30,543 INFO L256 TraceCheckUtils]: 6: Hoare triple {44977#true} call _BLAST_init(); {44977#true} is VALID [2018-11-23 12:37:30,543 INFO L273 TraceCheckUtils]: 7: Hoare triple {44977#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {44977#true} is VALID [2018-11-23 12:37:30,543 INFO L273 TraceCheckUtils]: 8: Hoare triple {44977#true} assume true; {44977#true} is VALID [2018-11-23 12:37:30,543 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {44977#true} {44977#true} #1063#return; {44977#true} is VALID [2018-11-23 12:37:30,544 INFO L273 TraceCheckUtils]: 10: Hoare triple {44977#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {44977#true} is VALID [2018-11-23 12:37:30,544 INFO L273 TraceCheckUtils]: 11: Hoare triple {44977#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {44977#true} is VALID [2018-11-23 12:37:30,544 INFO L256 TraceCheckUtils]: 12: Hoare triple {44977#true} call stub_driver_init(); {44977#true} is VALID [2018-11-23 12:37:30,544 INFO L273 TraceCheckUtils]: 13: Hoare triple {44977#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {44977#true} is VALID [2018-11-23 12:37:30,544 INFO L273 TraceCheckUtils]: 14: Hoare triple {44977#true} assume true; {44977#true} is VALID [2018-11-23 12:37:30,544 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {44977#true} {44977#true} #1065#return; {44977#true} is VALID [2018-11-23 12:37:30,544 INFO L273 TraceCheckUtils]: 16: Hoare triple {44977#true} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {44977#true} is VALID [2018-11-23 12:37:30,544 INFO L273 TraceCheckUtils]: 17: Hoare triple {44977#true} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {44977#true} is VALID [2018-11-23 12:37:30,545 INFO L273 TraceCheckUtils]: 18: Hoare triple {44977#true} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {44977#true} is VALID [2018-11-23 12:37:30,545 INFO L273 TraceCheckUtils]: 19: Hoare triple {44977#true} assume 2 == ~tmp_ndt_3~0; {44977#true} is VALID [2018-11-23 12:37:30,545 INFO L256 TraceCheckUtils]: 20: Hoare triple {44977#true} call #t~ret95 := FloppyDeviceControl(~devobj~0, ~pirp~0); {44977#true} is VALID [2018-11-23 12:37:30,545 INFO L273 TraceCheckUtils]: 21: Hoare triple {44977#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet112 && #t~nondet112 <= 2147483647;~disketteExtension__HoldNewRequests~2 := #t~nondet112;havoc #t~nondet112;assume -2147483648 <= #t~nondet113 && #t~nondet113 <= 2147483647;~disketteExtension__IsRemoved~1 := #t~nondet113;havoc #t~nondet113;havoc ~Irp__IoStatus__Information~3;assume -2147483648 <= #t~nondet114 && #t~nondet114 <= 2147483647;~disketteExtension__IsStarted~2 := #t~nondet114;havoc #t~nondet114;assume -2147483648 <= #t~nondet115 && #t~nondet115 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet115;havoc #t~nondet115;assume -2147483648 <= #t~nondet116 && #t~nondet116 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~2 := #t~nondet116;havoc #t~nondet116;assume -2147483648 <= #t~nondet117 && #t~nondet117 <= 2147483647;~disketteExtension__TargetObject~2 := #t~nondet117;havoc #t~nondet117;assume -2147483648 <= #t~nondet118 && #t~nondet118 <= 2147483647;~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 := #t~nondet118;havoc #t~nondet118;assume -2147483648 <= #t~nondet119 && #t~nondet119 <= 2147483647;~sizeof__MOUNTDEV_NAME~0 := #t~nondet119;havoc #t~nondet119;assume -2147483648 <= #t~nondet120 && #t~nondet120 <= 2147483647;~Irp__AssociatedIrp__SystemBuffer~0 := #t~nondet120;havoc #t~nondet120;havoc ~mountName__NameLength~0;assume -2147483648 <= #t~nondet121 && #t~nondet121 <= 2147483647;~disketteExtension__DeviceName__Length~0 := #t~nondet121;havoc #t~nondet121;assume -2147483648 <= #t~nondet122 && #t~nondet122 <= 2147483647;~sizeof__USHORT~0 := #t~nondet122;havoc #t~nondet122;assume -2147483648 <= #t~nondet123 && #t~nondet123 <= 2147483647;~disketteExtension__InterfaceString__Buffer~1 := #t~nondet123;havoc #t~nondet123;havoc ~uniqueId__UniqueIdLength~0;assume -2147483648 <= #t~nondet124 && #t~nondet124 <= 2147483647;~disketteExtension__InterfaceString__Length~0 := #t~nondet124;havoc #t~nondet124;assume -2147483648 <= #t~nondet125 && #t~nondet125 <= 2147483647;~sizeof__MOUNTDEV_UNIQUE_ID~0 := #t~nondet125;havoc #t~nondet125;assume -2147483648 <= #t~nondet126 && #t~nondet126 <= 2147483647;~irpSp__Parameters__DeviceIoControl__InputBufferLength~0 := #t~nondet126;havoc #t~nondet126;assume -2147483648 <= #t~nondet127 && #t~nondet127 <= 2147483647;~sizeof__FORMAT_PARAMETERS~0 := #t~nondet127;havoc #t~nondet127;assume -2147483648 <= #t~nondet128 && #t~nondet128 <= 2147483647;~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 := #t~nondet128;havoc #t~nondet128;assume -2147483648 <= #t~nondet129 && #t~nondet129 <= 2147483647;~sizeof__FORMAT_EX_PARAMETERS~0 := #t~nondet129;havoc #t~nondet129;assume -2147483648 <= #t~nondet130 && #t~nondet130 <= 2147483647;~formatExParameters__FormatGapLength~0 := #t~nondet130;havoc #t~nondet130;assume -2147483648 <= #t~nondet131 && #t~nondet131 <= 2147483647;~formatExParameters__SectorsPerTrack~0 := #t~nondet131;havoc #t~nondet131;assume -2147483648 <= #t~nondet132 && #t~nondet132 <= 2147483647;~sizeof__DISK_GEOMETRY~0 := #t~nondet132;havoc #t~nondet132;havoc ~Irp__IoStatus__Status___0~0;assume -2147483648 <= #t~nondet133 && #t~nondet133 <= 2147483647;~disketteExtension~2 := #t~nondet133;havoc #t~nondet133;havoc ~ntStatus~3;havoc ~outputBufferLength~0;assume -2147483648 <= #t~nondet134 && #t~nondet134 <= 2147483647;~lowestDriveMediaType~0 := #t~nondet134;havoc #t~nondet134;assume -2147483648 <= #t~nondet135 && #t~nondet135 <= 2147483647;~highestDriveMediaType~0 := #t~nondet135;havoc #t~nondet135;assume -2147483648 <= #t~nondet136 && #t~nondet136 <= 2147483647;~formatExParametersSize~0 := #t~nondet136;havoc #t~nondet136;havoc ~formatExParameters~0;havoc ~tmp~0;havoc ~mountName~0;havoc ~uniqueId~0;havoc ~tmp___0~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;assume -2147483648 <= #t~nondet137 && #t~nondet137 <= 2147483647;~__cil_tmp41~0 := #t~nondet137;havoc #t~nondet137;havoc ~__cil_tmp42~1;havoc ~__cil_tmp43~1;assume -2147483648 <= #t~nondet138 && #t~nondet138 <= 2147483647;~__cil_tmp44~1 := #t~nondet138;havoc #t~nondet138;assume -2147483648 <= #t~nondet139 && #t~nondet139 <= 2147483647;~__cil_tmp45~1 := #t~nondet139;havoc #t~nondet139;havoc ~__cil_tmp46~1;havoc ~__cil_tmp47~1;havoc ~__cil_tmp48~1;havoc ~__cil_tmp49~1;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~__cil_tmp50~0 := #t~nondet140;havoc #t~nondet140;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~__cil_tmp55~0 := #t~nondet141;havoc #t~nondet141;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;assume -2147483648 <= #t~nondet142 && #t~nondet142 <= 2147483647;~__cil_tmp60~0 := #t~nondet142;havoc #t~nondet142;havoc ~__cil_tmp61~0;havoc ~__cil_tmp62~0;havoc ~__cil_tmp63~0;havoc ~__cil_tmp64~0;assume -2147483648 <= #t~nondet143 && #t~nondet143 <= 2147483647;~__cil_tmp65~0 := #t~nondet143;havoc #t~nondet143;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~__cil_tmp66~0 := #t~nondet144;havoc #t~nondet144;havoc ~__cil_tmp67~0;havoc ~__cil_tmp68~0;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~__cil_tmp69~0 := #t~nondet145;havoc #t~nondet145;havoc ~__cil_tmp70~0;havoc ~__cil_tmp71~0;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~__cil_tmp72~0 := #t~nondet146;havoc #t~nondet146;havoc ~__cil_tmp73~0;havoc ~__cil_tmp74~0;assume -2147483648 <= #t~nondet147 && #t~nondet147 <= 2147483647;~__cil_tmp75~0 := #t~nondet147;havoc #t~nondet147;havoc ~__cil_tmp76~0;havoc ~__cil_tmp77~0;assume -2147483648 <= #t~nondet148 && #t~nondet148 <= 2147483647;~__cil_tmp78~0 := #t~nondet148;havoc #t~nondet148;havoc ~__cil_tmp79~0;havoc ~__cil_tmp80~0;assume -2147483648 <= #t~nondet149 && #t~nondet149 <= 2147483647;~__cil_tmp81~0 := #t~nondet149;havoc #t~nondet149;havoc ~__cil_tmp82~0;havoc ~__cil_tmp83~0;havoc ~__cil_tmp84~0;havoc ~__cil_tmp85~0;havoc ~__cil_tmp86~0;havoc ~__cil_tmp87~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~__cil_tmp88~0 := #t~nondet150;havoc #t~nondet150;havoc ~__cil_tmp89~0;havoc ~__cil_tmp90~0;havoc ~__cil_tmp91~0; {44977#true} is VALID [2018-11-23 12:37:30,545 INFO L273 TraceCheckUtils]: 22: Hoare triple {44977#true} assume !(0 != ~disketteExtension__HoldNewRequests~2); {44977#true} is VALID [2018-11-23 12:37:30,545 INFO L273 TraceCheckUtils]: 23: Hoare triple {44977#true} assume !(0 != ~disketteExtension__IsRemoved~1); {44977#true} is VALID [2018-11-23 12:37:30,545 INFO L273 TraceCheckUtils]: 24: Hoare triple {44977#true} assume !(0 == ~disketteExtension__IsStarted~2); {44977#true} is VALID [2018-11-23 12:37:30,546 INFO L273 TraceCheckUtils]: 25: Hoare triple {44977#true} assume ~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 == ~__cil_tmp44~1; {44977#true} is VALID [2018-11-23 12:37:30,546 INFO L273 TraceCheckUtils]: 26: Hoare triple {44977#true} assume !(~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 < ~sizeof__MOUNTDEV_NAME~0);~mountName~0 := ~Irp__AssociatedIrp__SystemBuffer~0;~mountName__NameLength~0 := ~disketteExtension__DeviceName__Length~0;~__cil_tmp82~0 := ~sizeof__USHORT~0 + ~mountName__NameLength~0; {44977#true} is VALID [2018-11-23 12:37:30,555 INFO L273 TraceCheckUtils]: 27: Hoare triple {44977#true} assume !(~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 < ~__cil_tmp82~0);~ntStatus~3 := 0;~Irp__IoStatus__Information~3 := ~sizeof__USHORT~0 + ~mountName__NameLength~0; {44979#(= 0 FloppyDeviceControl_~ntStatus~3)} is VALID [2018-11-23 12:37:30,555 INFO L273 TraceCheckUtils]: 28: Hoare triple {44979#(= 0 FloppyDeviceControl_~ntStatus~3)} ~__cil_tmp91~0 := ~ntStatus~3; {44980#(= 0 FloppyDeviceControl_~__cil_tmp91~0)} is VALID [2018-11-23 12:37:30,559 INFO L273 TraceCheckUtils]: 29: Hoare triple {44980#(= 0 FloppyDeviceControl_~__cil_tmp91~0)} assume !(259 != ~__cil_tmp91~0); {44978#false} is VALID [2018-11-23 12:37:30,559 INFO L273 TraceCheckUtils]: 30: Hoare triple {44978#false} #res := ~ntStatus~3; {44978#false} is VALID [2018-11-23 12:37:30,559 INFO L273 TraceCheckUtils]: 31: Hoare triple {44978#false} assume true; {44978#false} is VALID [2018-11-23 12:37:30,559 INFO L268 TraceCheckUtils]: 32: Hoare quadruple {44978#false} {44977#true} #1071#return; {44978#false} is VALID [2018-11-23 12:37:30,559 INFO L273 TraceCheckUtils]: 33: Hoare triple {44978#false} assume -2147483648 <= #t~ret95 && #t~ret95 <= 2147483647;~status~1 := #t~ret95;havoc #t~ret95; {44978#false} is VALID [2018-11-23 12:37:30,559 INFO L273 TraceCheckUtils]: 34: Hoare triple {44978#false} assume !(1 == ~pended~0); {44978#false} is VALID [2018-11-23 12:37:30,559 INFO L273 TraceCheckUtils]: 35: Hoare triple {44978#false} assume !(1 == ~pended~0); {44978#false} is VALID [2018-11-23 12:37:30,560 INFO L273 TraceCheckUtils]: 36: Hoare triple {44978#false} assume ~s~0 != ~UNLOADED~0; {44978#false} is VALID [2018-11-23 12:37:30,560 INFO L273 TraceCheckUtils]: 37: Hoare triple {44978#false} assume -1 != ~status~1; {44978#false} is VALID [2018-11-23 12:37:30,560 INFO L273 TraceCheckUtils]: 38: Hoare triple {44978#false} assume ~s~0 != ~SKIP2~0; {44978#false} is VALID [2018-11-23 12:37:30,560 INFO L273 TraceCheckUtils]: 39: Hoare triple {44978#false} assume ~s~0 != ~IPC~0; {44978#false} is VALID [2018-11-23 12:37:30,560 INFO L273 TraceCheckUtils]: 40: Hoare triple {44978#false} assume ~s~0 != ~DC~0; {44978#false} is VALID [2018-11-23 12:37:30,560 INFO L256 TraceCheckUtils]: 41: Hoare triple {44978#false} call errorFn(); {44978#false} is VALID [2018-11-23 12:37:30,560 INFO L273 TraceCheckUtils]: 42: Hoare triple {44978#false} assume !false; {44978#false} is VALID [2018-11-23 12:37:30,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:37:30,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:30,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 12:37:30,562 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-11-23 12:37:30,562 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:37:30,562 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 12:37:30,605 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:37:30,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 12:37:30,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 12:37:30,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:37:30,606 INFO L87 Difference]: Start difference. First operand 929 states and 1254 transitions. Second operand 4 states. [2018-11-23 12:37:35,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:35,878 INFO L93 Difference]: Finished difference Result 957 states and 1287 transitions. [2018-11-23 12:37:35,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 12:37:35,878 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-11-23 12:37:35,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:35,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 12:37:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 516 transitions. [2018-11-23 12:37:35,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 12:37:35,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 516 transitions. [2018-11-23 12:37:35,885 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 516 transitions. [2018-11-23 12:37:36,407 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 516 edges. 516 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:37:36,450 INFO L225 Difference]: With dead ends: 957 [2018-11-23 12:37:36,450 INFO L226 Difference]: Without dead ends: 935 [2018-11-23 12:37:36,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:37:36,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2018-11-23 12:37:37,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 929. [2018-11-23 12:37:37,876 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:37:37,876 INFO L82 GeneralOperation]: Start isEquivalent. First operand 935 states. Second operand 929 states. [2018-11-23 12:37:37,876 INFO L74 IsIncluded]: Start isIncluded. First operand 935 states. Second operand 929 states. [2018-11-23 12:37:37,877 INFO L87 Difference]: Start difference. First operand 935 states. Second operand 929 states. [2018-11-23 12:37:37,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:37,910 INFO L93 Difference]: Finished difference Result 935 states and 1261 transitions. [2018-11-23 12:37:37,910 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1261 transitions. [2018-11-23 12:37:37,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:37,912 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:37,912 INFO L74 IsIncluded]: Start isIncluded. First operand 929 states. Second operand 935 states. [2018-11-23 12:37:37,912 INFO L87 Difference]: Start difference. First operand 929 states. Second operand 935 states. [2018-11-23 12:37:37,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:37,949 INFO L93 Difference]: Finished difference Result 935 states and 1261 transitions. [2018-11-23 12:37:37,949 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1261 transitions. [2018-11-23 12:37:37,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:37,951 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:37,951 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:37:37,951 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:37:37,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2018-11-23 12:37:37,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1254 transitions. [2018-11-23 12:37:37,994 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1254 transitions. Word has length 43 [2018-11-23 12:37:37,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:37,994 INFO L480 AbstractCegarLoop]: Abstraction has 929 states and 1254 transitions. [2018-11-23 12:37:37,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 12:37:37,994 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1254 transitions. [2018-11-23 12:37:37,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 12:37:37,995 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:37,995 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:37:37,995 INFO L423 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:37,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:37,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1421186615, now seen corresponding path program 1 times [2018-11-23 12:37:37,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:37,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:37,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:37,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:37,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:38,679 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 4 [2018-11-23 12:37:38,819 INFO L256 TraceCheckUtils]: 0: Hoare triple {49418#true} call ULTIMATE.init(); {49418#true} is VALID [2018-11-23 12:37:38,820 INFO L273 TraceCheckUtils]: 1: Hoare triple {49418#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {49418#true} is VALID [2018-11-23 12:37:38,820 INFO L273 TraceCheckUtils]: 2: Hoare triple {49418#true} assume true; {49418#true} is VALID [2018-11-23 12:37:38,820 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {49418#true} {49418#true} #1155#return; {49418#true} is VALID [2018-11-23 12:37:38,820 INFO L256 TraceCheckUtils]: 4: Hoare triple {49418#true} call #t~ret166 := main(); {49418#true} is VALID [2018-11-23 12:37:38,820 INFO L273 TraceCheckUtils]: 5: Hoare triple {49418#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {49418#true} is VALID [2018-11-23 12:37:38,821 INFO L256 TraceCheckUtils]: 6: Hoare triple {49418#true} call _BLAST_init(); {49418#true} is VALID [2018-11-23 12:37:38,838 INFO L273 TraceCheckUtils]: 7: Hoare triple {49418#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {49420#(<= (+ ~NP~0 5) ~MPR3~0)} is VALID [2018-11-23 12:37:38,847 INFO L273 TraceCheckUtils]: 8: Hoare triple {49420#(<= (+ ~NP~0 5) ~MPR3~0)} assume true; {49420#(<= (+ ~NP~0 5) ~MPR3~0)} is VALID [2018-11-23 12:37:38,859 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {49420#(<= (+ ~NP~0 5) ~MPR3~0)} {49418#true} #1063#return; {49420#(<= (+ ~NP~0 5) ~MPR3~0)} is VALID [2018-11-23 12:37:38,872 INFO L273 TraceCheckUtils]: 10: Hoare triple {49420#(<= (+ ~NP~0 5) ~MPR3~0)} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {49420#(<= (+ ~NP~0 5) ~MPR3~0)} is VALID [2018-11-23 12:37:38,884 INFO L273 TraceCheckUtils]: 11: Hoare triple {49420#(<= (+ ~NP~0 5) ~MPR3~0)} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {49420#(<= (+ ~NP~0 5) ~MPR3~0)} is VALID [2018-11-23 12:37:38,885 INFO L256 TraceCheckUtils]: 12: Hoare triple {49420#(<= (+ ~NP~0 5) ~MPR3~0)} call stub_driver_init(); {49418#true} is VALID [2018-11-23 12:37:38,895 INFO L273 TraceCheckUtils]: 13: Hoare triple {49418#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {49421#(<= ~s~0 ~NP~0)} is VALID [2018-11-23 12:37:38,895 INFO L273 TraceCheckUtils]: 14: Hoare triple {49421#(<= ~s~0 ~NP~0)} assume true; {49421#(<= ~s~0 ~NP~0)} is VALID [2018-11-23 12:37:38,896 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {49421#(<= ~s~0 ~NP~0)} {49420#(<= (+ ~NP~0 5) ~MPR3~0)} #1065#return; {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,897 INFO L273 TraceCheckUtils]: 16: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,897 INFO L273 TraceCheckUtils]: 17: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,900 INFO L273 TraceCheckUtils]: 18: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,900 INFO L273 TraceCheckUtils]: 19: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} assume !(2 == ~tmp_ndt_3~0);havoc ~tmp_ndt_4~0;assume -2147483648 <= #t~nondet92 && #t~nondet92 <= 2147483647;~tmp_ndt_4~0 := #t~nondet92;havoc #t~nondet92; {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,902 INFO L273 TraceCheckUtils]: 20: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} assume 3 == ~tmp_ndt_4~0; {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,903 INFO L256 TraceCheckUtils]: 21: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} call #t~ret96 := FloppyPnp(~devobj~0, ~pirp~0); {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,904 INFO L273 TraceCheckUtils]: 22: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;~DeviceObject__DeviceExtension~0 := #t~nondet12;havoc #t~nondet12;assume -2147483648 <= #t~nondet13 && #t~nondet13 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet13;havoc #t~nondet13;havoc ~Irp__IoStatus__Information~1;havoc ~Irp__IoStatus__Status~1;assume -2147483648 <= #t~nondet14 && #t~nondet14 <= 2147483647;~Irp__CurrentLocation~0 := #t~nondet14;havoc #t~nondet14;assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647;~disketteExtension__IsRemoved~0 := #t~nondet15;havoc #t~nondet15;assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647;~disketteExtension__IsStarted~0 := #t~nondet16;havoc #t~nondet16;assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~disketteExtension__TargetObject~0 := #t~nondet17;havoc #t~nondet17;havoc ~disketteExtension__HoldNewRequests~0;assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~disketteExtension__FloppyThread~0 := #t~nondet18;havoc #t~nondet18;assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~disketteExtension__InterfaceString__Buffer~0 := #t~nondet19;havoc #t~nondet19;assume -2147483648 <= #t~nondet20 && #t~nondet20 <= 2147483647;~disketteExtension__InterfaceString~0 := #t~nondet20;havoc #t~nondet20;assume -2147483648 <= #t~nondet21 && #t~nondet21 <= 2147483647;~disketteExtension__ArcName__Length~0 := #t~nondet21;havoc #t~nondet21;assume -2147483648 <= #t~nondet22 && #t~nondet22 <= 2147483647;~disketteExtension__ArcName~0 := #t~nondet22;havoc #t~nondet22;assume -2147483648 <= #t~nondet23 && #t~nondet23 <= 2147483647;~irpSp__MinorFunction~0 := #t~nondet23;havoc #t~nondet23;assume -2147483648 <= #t~nondet24 && #t~nondet24 <= 2147483647;~IoGetConfigurationInformation__FloppyCount~0 := #t~nondet24;havoc #t~nondet24;havoc ~irpSp~0;havoc ~disketteExtension~0;havoc ~ntStatus~0;assume -2147483648 <= #t~nondet25 && #t~nondet25 <= 2147483647;~doneEvent~0 := #t~nondet25;havoc #t~nondet25;havoc ~irpSp___0~0;havoc ~nextIrpSp~0;havoc ~nextIrpSp__Control~0;havoc ~irpSp___1~0;havoc ~irpSp__Context~0;havoc ~irpSp__Control~0;havoc ~__cil_tmp29~0;havoc ~__cil_tmp30~0;~ntStatus~0 := 0;#t~post26 := ~PagingReferenceCount~0;~PagingReferenceCount~0 := 1 + #t~post26;havoc #t~post26; {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,904 INFO L273 TraceCheckUtils]: 23: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} assume 1 == ~PagingReferenceCount~0; {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,904 INFO L273 TraceCheckUtils]: 24: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} ~disketteExtension~0 := ~DeviceObject__DeviceExtension~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0; {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,905 INFO L273 TraceCheckUtils]: 25: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} assume !(0 != ~disketteExtension__IsRemoved~0); {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,905 INFO L273 TraceCheckUtils]: 26: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} assume !(0 == ~irpSp__MinorFunction~0); {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,905 INFO L273 TraceCheckUtils]: 27: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} assume 5 == ~irpSp__MinorFunction~0; {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,906 INFO L273 TraceCheckUtils]: 28: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} assume 5 == ~irpSp__MinorFunction~0; {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,906 INFO L273 TraceCheckUtils]: 29: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} assume !(0 == ~disketteExtension__IsStarted~0);~disketteExtension__HoldNewRequests~0 := 1; {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,907 INFO L256 TraceCheckUtils]: 30: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} call #t~ret31 := FlQueueIrpToThread(~Irp, ~disketteExtension~0); {49418#true} is VALID [2018-11-23 12:37:38,907 INFO L273 TraceCheckUtils]: 31: Hoare triple {49418#true} ~Irp := #in~Irp;~DisketteExtension := #in~DisketteExtension;havoc ~status~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~threadHandle~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~DisketteExtension__PoweringDown~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~DisketteExtension__ThreadReferenceCount~0 := #t~nondet2;havoc #t~nondet2;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~DisketteExtension__FloppyThread~0 := #t~nondet3;havoc #t~nondet3;havoc ~Irp__IoStatus__Status~0;havoc ~Irp__IoStatus__Information~0;havoc ~Irp__Tail__Overlay__CurrentStackLocation__Control~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~ObjAttributes~0 := #t~nondet4;havoc #t~nondet4;havoc ~__cil_tmp12~0;havoc ~__cil_tmp13~0; {49418#true} is VALID [2018-11-23 12:37:38,907 INFO L273 TraceCheckUtils]: 32: Hoare triple {49418#true} assume 1 == ~DisketteExtension__PoweringDown~0;~myStatus~0 := -1073741101;~Irp__IoStatus__Status~0 := -1073741101;~Irp__IoStatus__Information~0 := 0;#res := -1073741101; {49418#true} is VALID [2018-11-23 12:37:38,908 INFO L273 TraceCheckUtils]: 33: Hoare triple {49418#true} assume true; {49418#true} is VALID [2018-11-23 12:37:38,924 INFO L268 TraceCheckUtils]: 34: Hoare quadruple {49418#true} {49422#(not (= ~MPR3~0 ~s~0))} #1023#return; {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,924 INFO L273 TraceCheckUtils]: 35: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} assume -2147483648 <= #t~ret31 && #t~ret31 <= 2147483647;~ntStatus~0 := #t~ret31;havoc #t~ret31;~__cil_tmp29~0 := ~ntStatus~0; {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,925 INFO L273 TraceCheckUtils]: 36: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} assume 259 == ~__cil_tmp29~0; {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,925 INFO L256 TraceCheckUtils]: 37: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} call #t~ret32 := KeWaitForSingleObject(~disketteExtension__FloppyThread~0, ~Executive~0, ~KernelMode~0, 0, 0); {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,926 INFO L273 TraceCheckUtils]: 38: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} ~Object := #in~Object;~WaitReason := #in~WaitReason;~WaitMode := #in~WaitMode;~Alertable := #in~Alertable;~Timeout := #in~Timeout; {49422#(not (= ~MPR3~0 ~s~0))} is VALID [2018-11-23 12:37:38,926 INFO L273 TraceCheckUtils]: 39: Hoare triple {49422#(not (= ~MPR3~0 ~s~0))} assume ~s~0 == ~MPR3~0; {49419#false} is VALID [2018-11-23 12:37:38,926 INFO L273 TraceCheckUtils]: 40: Hoare triple {49419#false} assume !(1 == ~setEventCalled~0); {49419#false} is VALID [2018-11-23 12:37:38,926 INFO L273 TraceCheckUtils]: 41: Hoare triple {49419#false} assume !(1 == ~customIrp~0); {49419#false} is VALID [2018-11-23 12:37:38,926 INFO L273 TraceCheckUtils]: 42: Hoare triple {49419#false} assume ~s~0 == ~MPR3~0; {49419#false} is VALID [2018-11-23 12:37:38,927 INFO L256 TraceCheckUtils]: 43: Hoare triple {49419#false} call errorFn(); {49419#false} is VALID [2018-11-23 12:37:38,927 INFO L273 TraceCheckUtils]: 44: Hoare triple {49419#false} assume !false; {49419#false} is VALID [2018-11-23 12:37:38,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:37:38,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:38,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:37:38,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-11-23 12:37:38,932 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:37:38,932 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 12:37:38,978 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:37:38,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:37:38,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:37:38,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:37:38,979 INFO L87 Difference]: Start difference. First operand 929 states and 1254 transitions. Second operand 5 states. [2018-11-23 12:37:46,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:46,773 INFO L93 Difference]: Finished difference Result 1673 states and 2232 transitions. [2018-11-23 12:37:46,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:37:46,773 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-11-23 12:37:46,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:46,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:37:46,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1059 transitions. [2018-11-23 12:37:46,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:37:46,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1059 transitions. [2018-11-23 12:37:46,795 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 1059 transitions. [2018-11-23 12:37:48,532 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 1059 edges. 1059 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:37:48,591 INFO L225 Difference]: With dead ends: 1673 [2018-11-23 12:37:48,591 INFO L226 Difference]: Without dead ends: 1113 [2018-11-23 12:37:48,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:37:48,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2018-11-23 12:37:51,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 920. [2018-11-23 12:37:51,213 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:37:51,213 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1113 states. Second operand 920 states. [2018-11-23 12:37:51,213 INFO L74 IsIncluded]: Start isIncluded. First operand 1113 states. Second operand 920 states. [2018-11-23 12:37:51,213 INFO L87 Difference]: Start difference. First operand 1113 states. Second operand 920 states. [2018-11-23 12:37:51,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:51,259 INFO L93 Difference]: Finished difference Result 1113 states and 1494 transitions. [2018-11-23 12:37:51,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1494 transitions. [2018-11-23 12:37:51,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:51,261 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:51,261 INFO L74 IsIncluded]: Start isIncluded. First operand 920 states. Second operand 1113 states. [2018-11-23 12:37:51,261 INFO L87 Difference]: Start difference. First operand 920 states. Second operand 1113 states. [2018-11-23 12:37:51,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:51,311 INFO L93 Difference]: Finished difference Result 1113 states and 1494 transitions. [2018-11-23 12:37:51,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1494 transitions. [2018-11-23 12:37:51,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:37:51,314 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:37:51,314 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:37:51,314 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:37:51,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 920 states. [2018-11-23 12:37:51,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1233 transitions. [2018-11-23 12:37:51,356 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1233 transitions. Word has length 45 [2018-11-23 12:37:51,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:37:51,357 INFO L480 AbstractCegarLoop]: Abstraction has 920 states and 1233 transitions. [2018-11-23 12:37:51,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:37:51,357 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1233 transitions. [2018-11-23 12:37:51,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 12:37:51,358 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:51,358 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:37:51,358 INFO L423 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:37:51,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:51,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1230825012, now seen corresponding path program 1 times [2018-11-23 12:37:51,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:37:51,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:37:51,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:51,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:51,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:37:51,481 INFO L256 TraceCheckUtils]: 0: Hoare triple {55190#true} call ULTIMATE.init(); {55190#true} is VALID [2018-11-23 12:37:51,482 INFO L273 TraceCheckUtils]: 1: Hoare triple {55190#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {55190#true} is VALID [2018-11-23 12:37:51,482 INFO L273 TraceCheckUtils]: 2: Hoare triple {55190#true} assume true; {55190#true} is VALID [2018-11-23 12:37:51,482 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {55190#true} {55190#true} #1155#return; {55190#true} is VALID [2018-11-23 12:37:51,483 INFO L256 TraceCheckUtils]: 4: Hoare triple {55190#true} call #t~ret166 := main(); {55190#true} is VALID [2018-11-23 12:37:51,483 INFO L273 TraceCheckUtils]: 5: Hoare triple {55190#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {55190#true} is VALID [2018-11-23 12:37:51,483 INFO L256 TraceCheckUtils]: 6: Hoare triple {55190#true} call _BLAST_init(); {55190#true} is VALID [2018-11-23 12:37:51,483 INFO L273 TraceCheckUtils]: 7: Hoare triple {55190#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {55190#true} is VALID [2018-11-23 12:37:51,483 INFO L273 TraceCheckUtils]: 8: Hoare triple {55190#true} assume true; {55190#true} is VALID [2018-11-23 12:37:51,484 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {55190#true} {55190#true} #1063#return; {55190#true} is VALID [2018-11-23 12:37:51,484 INFO L273 TraceCheckUtils]: 10: Hoare triple {55190#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {55190#true} is VALID [2018-11-23 12:37:51,484 INFO L273 TraceCheckUtils]: 11: Hoare triple {55190#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {55190#true} is VALID [2018-11-23 12:37:51,484 INFO L256 TraceCheckUtils]: 12: Hoare triple {55190#true} call stub_driver_init(); {55190#true} is VALID [2018-11-23 12:37:51,484 INFO L273 TraceCheckUtils]: 13: Hoare triple {55190#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {55190#true} is VALID [2018-11-23 12:37:51,484 INFO L273 TraceCheckUtils]: 14: Hoare triple {55190#true} assume true; {55190#true} is VALID [2018-11-23 12:37:51,485 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {55190#true} {55190#true} #1065#return; {55190#true} is VALID [2018-11-23 12:37:51,485 INFO L273 TraceCheckUtils]: 16: Hoare triple {55190#true} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {55190#true} is VALID [2018-11-23 12:37:51,485 INFO L273 TraceCheckUtils]: 17: Hoare triple {55190#true} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {55190#true} is VALID [2018-11-23 12:37:51,485 INFO L273 TraceCheckUtils]: 18: Hoare triple {55190#true} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {55190#true} is VALID [2018-11-23 12:37:51,485 INFO L273 TraceCheckUtils]: 19: Hoare triple {55190#true} assume 2 == ~tmp_ndt_3~0; {55190#true} is VALID [2018-11-23 12:37:51,485 INFO L256 TraceCheckUtils]: 20: Hoare triple {55190#true} call #t~ret95 := FloppyDeviceControl(~devobj~0, ~pirp~0); {55190#true} is VALID [2018-11-23 12:37:51,486 INFO L273 TraceCheckUtils]: 21: Hoare triple {55190#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet112 && #t~nondet112 <= 2147483647;~disketteExtension__HoldNewRequests~2 := #t~nondet112;havoc #t~nondet112;assume -2147483648 <= #t~nondet113 && #t~nondet113 <= 2147483647;~disketteExtension__IsRemoved~1 := #t~nondet113;havoc #t~nondet113;havoc ~Irp__IoStatus__Information~3;assume -2147483648 <= #t~nondet114 && #t~nondet114 <= 2147483647;~disketteExtension__IsStarted~2 := #t~nondet114;havoc #t~nondet114;assume -2147483648 <= #t~nondet115 && #t~nondet115 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet115;havoc #t~nondet115;assume -2147483648 <= #t~nondet116 && #t~nondet116 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~2 := #t~nondet116;havoc #t~nondet116;assume -2147483648 <= #t~nondet117 && #t~nondet117 <= 2147483647;~disketteExtension__TargetObject~2 := #t~nondet117;havoc #t~nondet117;assume -2147483648 <= #t~nondet118 && #t~nondet118 <= 2147483647;~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 := #t~nondet118;havoc #t~nondet118;assume -2147483648 <= #t~nondet119 && #t~nondet119 <= 2147483647;~sizeof__MOUNTDEV_NAME~0 := #t~nondet119;havoc #t~nondet119;assume -2147483648 <= #t~nondet120 && #t~nondet120 <= 2147483647;~Irp__AssociatedIrp__SystemBuffer~0 := #t~nondet120;havoc #t~nondet120;havoc ~mountName__NameLength~0;assume -2147483648 <= #t~nondet121 && #t~nondet121 <= 2147483647;~disketteExtension__DeviceName__Length~0 := #t~nondet121;havoc #t~nondet121;assume -2147483648 <= #t~nondet122 && #t~nondet122 <= 2147483647;~sizeof__USHORT~0 := #t~nondet122;havoc #t~nondet122;assume -2147483648 <= #t~nondet123 && #t~nondet123 <= 2147483647;~disketteExtension__InterfaceString__Buffer~1 := #t~nondet123;havoc #t~nondet123;havoc ~uniqueId__UniqueIdLength~0;assume -2147483648 <= #t~nondet124 && #t~nondet124 <= 2147483647;~disketteExtension__InterfaceString__Length~0 := #t~nondet124;havoc #t~nondet124;assume -2147483648 <= #t~nondet125 && #t~nondet125 <= 2147483647;~sizeof__MOUNTDEV_UNIQUE_ID~0 := #t~nondet125;havoc #t~nondet125;assume -2147483648 <= #t~nondet126 && #t~nondet126 <= 2147483647;~irpSp__Parameters__DeviceIoControl__InputBufferLength~0 := #t~nondet126;havoc #t~nondet126;assume -2147483648 <= #t~nondet127 && #t~nondet127 <= 2147483647;~sizeof__FORMAT_PARAMETERS~0 := #t~nondet127;havoc #t~nondet127;assume -2147483648 <= #t~nondet128 && #t~nondet128 <= 2147483647;~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 := #t~nondet128;havoc #t~nondet128;assume -2147483648 <= #t~nondet129 && #t~nondet129 <= 2147483647;~sizeof__FORMAT_EX_PARAMETERS~0 := #t~nondet129;havoc #t~nondet129;assume -2147483648 <= #t~nondet130 && #t~nondet130 <= 2147483647;~formatExParameters__FormatGapLength~0 := #t~nondet130;havoc #t~nondet130;assume -2147483648 <= #t~nondet131 && #t~nondet131 <= 2147483647;~formatExParameters__SectorsPerTrack~0 := #t~nondet131;havoc #t~nondet131;assume -2147483648 <= #t~nondet132 && #t~nondet132 <= 2147483647;~sizeof__DISK_GEOMETRY~0 := #t~nondet132;havoc #t~nondet132;havoc ~Irp__IoStatus__Status___0~0;assume -2147483648 <= #t~nondet133 && #t~nondet133 <= 2147483647;~disketteExtension~2 := #t~nondet133;havoc #t~nondet133;havoc ~ntStatus~3;havoc ~outputBufferLength~0;assume -2147483648 <= #t~nondet134 && #t~nondet134 <= 2147483647;~lowestDriveMediaType~0 := #t~nondet134;havoc #t~nondet134;assume -2147483648 <= #t~nondet135 && #t~nondet135 <= 2147483647;~highestDriveMediaType~0 := #t~nondet135;havoc #t~nondet135;assume -2147483648 <= #t~nondet136 && #t~nondet136 <= 2147483647;~formatExParametersSize~0 := #t~nondet136;havoc #t~nondet136;havoc ~formatExParameters~0;havoc ~tmp~0;havoc ~mountName~0;havoc ~uniqueId~0;havoc ~tmp___0~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;assume -2147483648 <= #t~nondet137 && #t~nondet137 <= 2147483647;~__cil_tmp41~0 := #t~nondet137;havoc #t~nondet137;havoc ~__cil_tmp42~1;havoc ~__cil_tmp43~1;assume -2147483648 <= #t~nondet138 && #t~nondet138 <= 2147483647;~__cil_tmp44~1 := #t~nondet138;havoc #t~nondet138;assume -2147483648 <= #t~nondet139 && #t~nondet139 <= 2147483647;~__cil_tmp45~1 := #t~nondet139;havoc #t~nondet139;havoc ~__cil_tmp46~1;havoc ~__cil_tmp47~1;havoc ~__cil_tmp48~1;havoc ~__cil_tmp49~1;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~__cil_tmp50~0 := #t~nondet140;havoc #t~nondet140;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~__cil_tmp55~0 := #t~nondet141;havoc #t~nondet141;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;assume -2147483648 <= #t~nondet142 && #t~nondet142 <= 2147483647;~__cil_tmp60~0 := #t~nondet142;havoc #t~nondet142;havoc ~__cil_tmp61~0;havoc ~__cil_tmp62~0;havoc ~__cil_tmp63~0;havoc ~__cil_tmp64~0;assume -2147483648 <= #t~nondet143 && #t~nondet143 <= 2147483647;~__cil_tmp65~0 := #t~nondet143;havoc #t~nondet143;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~__cil_tmp66~0 := #t~nondet144;havoc #t~nondet144;havoc ~__cil_tmp67~0;havoc ~__cil_tmp68~0;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~__cil_tmp69~0 := #t~nondet145;havoc #t~nondet145;havoc ~__cil_tmp70~0;havoc ~__cil_tmp71~0;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~__cil_tmp72~0 := #t~nondet146;havoc #t~nondet146;havoc ~__cil_tmp73~0;havoc ~__cil_tmp74~0;assume -2147483648 <= #t~nondet147 && #t~nondet147 <= 2147483647;~__cil_tmp75~0 := #t~nondet147;havoc #t~nondet147;havoc ~__cil_tmp76~0;havoc ~__cil_tmp77~0;assume -2147483648 <= #t~nondet148 && #t~nondet148 <= 2147483647;~__cil_tmp78~0 := #t~nondet148;havoc #t~nondet148;havoc ~__cil_tmp79~0;havoc ~__cil_tmp80~0;assume -2147483648 <= #t~nondet149 && #t~nondet149 <= 2147483647;~__cil_tmp81~0 := #t~nondet149;havoc #t~nondet149;havoc ~__cil_tmp82~0;havoc ~__cil_tmp83~0;havoc ~__cil_tmp84~0;havoc ~__cil_tmp85~0;havoc ~__cil_tmp86~0;havoc ~__cil_tmp87~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~__cil_tmp88~0 := #t~nondet150;havoc #t~nondet150;havoc ~__cil_tmp89~0;havoc ~__cil_tmp90~0;havoc ~__cil_tmp91~0; {55190#true} is VALID [2018-11-23 12:37:51,486 INFO L273 TraceCheckUtils]: 22: Hoare triple {55190#true} assume !(0 != ~disketteExtension__HoldNewRequests~2); {55190#true} is VALID [2018-11-23 12:37:51,486 INFO L273 TraceCheckUtils]: 23: Hoare triple {55190#true} assume 0 != ~disketteExtension__IsRemoved~1;~Irp__IoStatus__Information~3 := 0;~Irp__IoStatus__Status___0~0 := -1073741738;~myStatus~0 := -1073741738; {55190#true} is VALID [2018-11-23 12:37:51,486 INFO L256 TraceCheckUtils]: 24: Hoare triple {55190#true} call IofCompleteRequest(~Irp, 0); {55190#true} is VALID [2018-11-23 12:37:51,486 INFO L273 TraceCheckUtils]: 25: Hoare triple {55190#true} ~Irp := #in~Irp;~PriorityBoost := #in~PriorityBoost; {55190#true} is VALID [2018-11-23 12:37:51,486 INFO L273 TraceCheckUtils]: 26: Hoare triple {55190#true} assume ~s~0 == ~NP~0;~s~0 := ~DC~0; {55190#true} is VALID [2018-11-23 12:37:51,486 INFO L273 TraceCheckUtils]: 27: Hoare triple {55190#true} assume true; {55190#true} is VALID [2018-11-23 12:37:51,487 INFO L268 TraceCheckUtils]: 28: Hoare quadruple {55190#true} {55190#true} #1129#return; {55190#true} is VALID [2018-11-23 12:37:51,487 INFO L273 TraceCheckUtils]: 29: Hoare triple {55190#true} #res := -1073741738; {55192#(<= (+ |FloppyDeviceControl_#res| 1073741738) 0)} is VALID [2018-11-23 12:37:51,487 INFO L273 TraceCheckUtils]: 30: Hoare triple {55192#(<= (+ |FloppyDeviceControl_#res| 1073741738) 0)} assume true; {55192#(<= (+ |FloppyDeviceControl_#res| 1073741738) 0)} is VALID [2018-11-23 12:37:51,488 INFO L268 TraceCheckUtils]: 31: Hoare quadruple {55192#(<= (+ |FloppyDeviceControl_#res| 1073741738) 0)} {55190#true} #1071#return; {55193#(<= (+ |main_#t~ret95| 1073741738) 0)} is VALID [2018-11-23 12:37:51,488 INFO L273 TraceCheckUtils]: 32: Hoare triple {55193#(<= (+ |main_#t~ret95| 1073741738) 0)} assume -2147483648 <= #t~ret95 && #t~ret95 <= 2147483647;~status~1 := #t~ret95;havoc #t~ret95; {55194#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:37:51,489 INFO L273 TraceCheckUtils]: 33: Hoare triple {55194#(<= (+ main_~status~1 1073741738) 0)} assume !(1 == ~pended~0); {55194#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:37:51,489 INFO L273 TraceCheckUtils]: 34: Hoare triple {55194#(<= (+ main_~status~1 1073741738) 0)} assume !(1 == ~pended~0); {55194#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:37:51,489 INFO L273 TraceCheckUtils]: 35: Hoare triple {55194#(<= (+ main_~status~1 1073741738) 0)} assume ~s~0 != ~UNLOADED~0; {55194#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:37:51,490 INFO L273 TraceCheckUtils]: 36: Hoare triple {55194#(<= (+ main_~status~1 1073741738) 0)} assume -1 != ~status~1; {55194#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:37:51,490 INFO L273 TraceCheckUtils]: 37: Hoare triple {55194#(<= (+ main_~status~1 1073741738) 0)} assume ~s~0 != ~SKIP2~0; {55194#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:37:51,490 INFO L273 TraceCheckUtils]: 38: Hoare triple {55194#(<= (+ main_~status~1 1073741738) 0)} assume ~s~0 != ~IPC~0; {55194#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:37:51,491 INFO L273 TraceCheckUtils]: 39: Hoare triple {55194#(<= (+ main_~status~1 1073741738) 0)} assume !(~s~0 != ~DC~0); {55194#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:37:51,491 INFO L273 TraceCheckUtils]: 40: Hoare triple {55194#(<= (+ main_~status~1 1073741738) 0)} assume !(1 == ~pended~0); {55194#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:37:51,492 INFO L273 TraceCheckUtils]: 41: Hoare triple {55194#(<= (+ main_~status~1 1073741738) 0)} assume ~s~0 == ~DC~0; {55194#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:37:51,492 INFO L273 TraceCheckUtils]: 42: Hoare triple {55194#(<= (+ main_~status~1 1073741738) 0)} assume 259 == ~status~1; {55191#false} is VALID [2018-11-23 12:37:51,492 INFO L256 TraceCheckUtils]: 43: Hoare triple {55191#false} call errorFn(); {55191#false} is VALID [2018-11-23 12:37:51,493 INFO L273 TraceCheckUtils]: 44: Hoare triple {55191#false} assume !false; {55191#false} is VALID [2018-11-23 12:37:51,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:37:51,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:37:51,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:37:51,496 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-11-23 12:37:51,497 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:37:51,497 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 12:37:51,566 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:37:51,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:37:51,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:37:51,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:37:51,568 INFO L87 Difference]: Start difference. First operand 920 states and 1233 transitions. Second operand 5 states. [2018-11-23 12:37:56,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:37:56,789 INFO L93 Difference]: Finished difference Result 936 states and 1248 transitions. [2018-11-23 12:37:56,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 12:37:56,789 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2018-11-23 12:37:56,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:37:56,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:37:56,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 500 transitions. [2018-11-23 12:37:56,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:37:56,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 500 transitions. [2018-11-23 12:37:56,796 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 500 transitions. [2018-11-23 12:37:57,243 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 500 edges. 500 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:37:57,287 INFO L225 Difference]: With dead ends: 936 [2018-11-23 12:37:57,287 INFO L226 Difference]: Without dead ends: 918 [2018-11-23 12:37:57,288 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:37:57,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2018-11-23 12:38:00,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 918. [2018-11-23 12:38:00,566 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:38:00,566 INFO L82 GeneralOperation]: Start isEquivalent. First operand 918 states. Second operand 918 states. [2018-11-23 12:38:00,566 INFO L74 IsIncluded]: Start isIncluded. First operand 918 states. Second operand 918 states. [2018-11-23 12:38:00,566 INFO L87 Difference]: Start difference. First operand 918 states. Second operand 918 states. [2018-11-23 12:38:00,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:00,608 INFO L93 Difference]: Finished difference Result 918 states and 1229 transitions. [2018-11-23 12:38:00,608 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1229 transitions. [2018-11-23 12:38:00,610 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:00,611 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:00,611 INFO L74 IsIncluded]: Start isIncluded. First operand 918 states. Second operand 918 states. [2018-11-23 12:38:00,611 INFO L87 Difference]: Start difference. First operand 918 states. Second operand 918 states. [2018-11-23 12:38:00,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:00,662 INFO L93 Difference]: Finished difference Result 918 states and 1229 transitions. [2018-11-23 12:38:00,662 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1229 transitions. [2018-11-23 12:38:00,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:00,666 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:00,666 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:38:00,666 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:38:00,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2018-11-23 12:38:00,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1229 transitions. [2018-11-23 12:38:00,733 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1229 transitions. Word has length 45 [2018-11-23 12:38:00,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:38:00,733 INFO L480 AbstractCegarLoop]: Abstraction has 918 states and 1229 transitions. [2018-11-23 12:38:00,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:38:00,733 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1229 transitions. [2018-11-23 12:38:00,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 12:38:00,735 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:38:00,735 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:38:00,735 INFO L423 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:38:00,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:38:00,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1277595138, now seen corresponding path program 1 times [2018-11-23 12:38:00,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:38:00,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:38:00,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:00,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:38:00,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:38:00,853 INFO L256 TraceCheckUtils]: 0: Hoare triple {59552#true} call ULTIMATE.init(); {59552#true} is VALID [2018-11-23 12:38:00,853 INFO L273 TraceCheckUtils]: 1: Hoare triple {59552#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {59552#true} is VALID [2018-11-23 12:38:00,853 INFO L273 TraceCheckUtils]: 2: Hoare triple {59552#true} assume true; {59552#true} is VALID [2018-11-23 12:38:00,853 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {59552#true} {59552#true} #1155#return; {59552#true} is VALID [2018-11-23 12:38:00,853 INFO L256 TraceCheckUtils]: 4: Hoare triple {59552#true} call #t~ret166 := main(); {59552#true} is VALID [2018-11-23 12:38:00,854 INFO L273 TraceCheckUtils]: 5: Hoare triple {59552#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {59552#true} is VALID [2018-11-23 12:38:00,854 INFO L256 TraceCheckUtils]: 6: Hoare triple {59552#true} call _BLAST_init(); {59552#true} is VALID [2018-11-23 12:38:00,854 INFO L273 TraceCheckUtils]: 7: Hoare triple {59552#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {59552#true} is VALID [2018-11-23 12:38:00,854 INFO L273 TraceCheckUtils]: 8: Hoare triple {59552#true} assume true; {59552#true} is VALID [2018-11-23 12:38:00,854 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {59552#true} {59552#true} #1063#return; {59552#true} is VALID [2018-11-23 12:38:00,854 INFO L273 TraceCheckUtils]: 10: Hoare triple {59552#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {59552#true} is VALID [2018-11-23 12:38:00,854 INFO L273 TraceCheckUtils]: 11: Hoare triple {59552#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {59552#true} is VALID [2018-11-23 12:38:00,854 INFO L256 TraceCheckUtils]: 12: Hoare triple {59552#true} call stub_driver_init(); {59552#true} is VALID [2018-11-23 12:38:00,855 INFO L273 TraceCheckUtils]: 13: Hoare triple {59552#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {59552#true} is VALID [2018-11-23 12:38:00,855 INFO L273 TraceCheckUtils]: 14: Hoare triple {59552#true} assume true; {59552#true} is VALID [2018-11-23 12:38:00,855 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {59552#true} {59552#true} #1065#return; {59552#true} is VALID [2018-11-23 12:38:00,855 INFO L273 TraceCheckUtils]: 16: Hoare triple {59552#true} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {59552#true} is VALID [2018-11-23 12:38:00,855 INFO L273 TraceCheckUtils]: 17: Hoare triple {59552#true} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {59552#true} is VALID [2018-11-23 12:38:00,855 INFO L273 TraceCheckUtils]: 18: Hoare triple {59552#true} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {59552#true} is VALID [2018-11-23 12:38:00,855 INFO L273 TraceCheckUtils]: 19: Hoare triple {59552#true} assume 2 == ~tmp_ndt_3~0; {59552#true} is VALID [2018-11-23 12:38:00,855 INFO L256 TraceCheckUtils]: 20: Hoare triple {59552#true} call #t~ret95 := FloppyDeviceControl(~devobj~0, ~pirp~0); {59552#true} is VALID [2018-11-23 12:38:00,856 INFO L273 TraceCheckUtils]: 21: Hoare triple {59552#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet112 && #t~nondet112 <= 2147483647;~disketteExtension__HoldNewRequests~2 := #t~nondet112;havoc #t~nondet112;assume -2147483648 <= #t~nondet113 && #t~nondet113 <= 2147483647;~disketteExtension__IsRemoved~1 := #t~nondet113;havoc #t~nondet113;havoc ~Irp__IoStatus__Information~3;assume -2147483648 <= #t~nondet114 && #t~nondet114 <= 2147483647;~disketteExtension__IsStarted~2 := #t~nondet114;havoc #t~nondet114;assume -2147483648 <= #t~nondet115 && #t~nondet115 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet115;havoc #t~nondet115;assume -2147483648 <= #t~nondet116 && #t~nondet116 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~2 := #t~nondet116;havoc #t~nondet116;assume -2147483648 <= #t~nondet117 && #t~nondet117 <= 2147483647;~disketteExtension__TargetObject~2 := #t~nondet117;havoc #t~nondet117;assume -2147483648 <= #t~nondet118 && #t~nondet118 <= 2147483647;~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 := #t~nondet118;havoc #t~nondet118;assume -2147483648 <= #t~nondet119 && #t~nondet119 <= 2147483647;~sizeof__MOUNTDEV_NAME~0 := #t~nondet119;havoc #t~nondet119;assume -2147483648 <= #t~nondet120 && #t~nondet120 <= 2147483647;~Irp__AssociatedIrp__SystemBuffer~0 := #t~nondet120;havoc #t~nondet120;havoc ~mountName__NameLength~0;assume -2147483648 <= #t~nondet121 && #t~nondet121 <= 2147483647;~disketteExtension__DeviceName__Length~0 := #t~nondet121;havoc #t~nondet121;assume -2147483648 <= #t~nondet122 && #t~nondet122 <= 2147483647;~sizeof__USHORT~0 := #t~nondet122;havoc #t~nondet122;assume -2147483648 <= #t~nondet123 && #t~nondet123 <= 2147483647;~disketteExtension__InterfaceString__Buffer~1 := #t~nondet123;havoc #t~nondet123;havoc ~uniqueId__UniqueIdLength~0;assume -2147483648 <= #t~nondet124 && #t~nondet124 <= 2147483647;~disketteExtension__InterfaceString__Length~0 := #t~nondet124;havoc #t~nondet124;assume -2147483648 <= #t~nondet125 && #t~nondet125 <= 2147483647;~sizeof__MOUNTDEV_UNIQUE_ID~0 := #t~nondet125;havoc #t~nondet125;assume -2147483648 <= #t~nondet126 && #t~nondet126 <= 2147483647;~irpSp__Parameters__DeviceIoControl__InputBufferLength~0 := #t~nondet126;havoc #t~nondet126;assume -2147483648 <= #t~nondet127 && #t~nondet127 <= 2147483647;~sizeof__FORMAT_PARAMETERS~0 := #t~nondet127;havoc #t~nondet127;assume -2147483648 <= #t~nondet128 && #t~nondet128 <= 2147483647;~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 := #t~nondet128;havoc #t~nondet128;assume -2147483648 <= #t~nondet129 && #t~nondet129 <= 2147483647;~sizeof__FORMAT_EX_PARAMETERS~0 := #t~nondet129;havoc #t~nondet129;assume -2147483648 <= #t~nondet130 && #t~nondet130 <= 2147483647;~formatExParameters__FormatGapLength~0 := #t~nondet130;havoc #t~nondet130;assume -2147483648 <= #t~nondet131 && #t~nondet131 <= 2147483647;~formatExParameters__SectorsPerTrack~0 := #t~nondet131;havoc #t~nondet131;assume -2147483648 <= #t~nondet132 && #t~nondet132 <= 2147483647;~sizeof__DISK_GEOMETRY~0 := #t~nondet132;havoc #t~nondet132;havoc ~Irp__IoStatus__Status___0~0;assume -2147483648 <= #t~nondet133 && #t~nondet133 <= 2147483647;~disketteExtension~2 := #t~nondet133;havoc #t~nondet133;havoc ~ntStatus~3;havoc ~outputBufferLength~0;assume -2147483648 <= #t~nondet134 && #t~nondet134 <= 2147483647;~lowestDriveMediaType~0 := #t~nondet134;havoc #t~nondet134;assume -2147483648 <= #t~nondet135 && #t~nondet135 <= 2147483647;~highestDriveMediaType~0 := #t~nondet135;havoc #t~nondet135;assume -2147483648 <= #t~nondet136 && #t~nondet136 <= 2147483647;~formatExParametersSize~0 := #t~nondet136;havoc #t~nondet136;havoc ~formatExParameters~0;havoc ~tmp~0;havoc ~mountName~0;havoc ~uniqueId~0;havoc ~tmp___0~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;assume -2147483648 <= #t~nondet137 && #t~nondet137 <= 2147483647;~__cil_tmp41~0 := #t~nondet137;havoc #t~nondet137;havoc ~__cil_tmp42~1;havoc ~__cil_tmp43~1;assume -2147483648 <= #t~nondet138 && #t~nondet138 <= 2147483647;~__cil_tmp44~1 := #t~nondet138;havoc #t~nondet138;assume -2147483648 <= #t~nondet139 && #t~nondet139 <= 2147483647;~__cil_tmp45~1 := #t~nondet139;havoc #t~nondet139;havoc ~__cil_tmp46~1;havoc ~__cil_tmp47~1;havoc ~__cil_tmp48~1;havoc ~__cil_tmp49~1;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~__cil_tmp50~0 := #t~nondet140;havoc #t~nondet140;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~__cil_tmp55~0 := #t~nondet141;havoc #t~nondet141;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;assume -2147483648 <= #t~nondet142 && #t~nondet142 <= 2147483647;~__cil_tmp60~0 := #t~nondet142;havoc #t~nondet142;havoc ~__cil_tmp61~0;havoc ~__cil_tmp62~0;havoc ~__cil_tmp63~0;havoc ~__cil_tmp64~0;assume -2147483648 <= #t~nondet143 && #t~nondet143 <= 2147483647;~__cil_tmp65~0 := #t~nondet143;havoc #t~nondet143;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~__cil_tmp66~0 := #t~nondet144;havoc #t~nondet144;havoc ~__cil_tmp67~0;havoc ~__cil_tmp68~0;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~__cil_tmp69~0 := #t~nondet145;havoc #t~nondet145;havoc ~__cil_tmp70~0;havoc ~__cil_tmp71~0;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~__cil_tmp72~0 := #t~nondet146;havoc #t~nondet146;havoc ~__cil_tmp73~0;havoc ~__cil_tmp74~0;assume -2147483648 <= #t~nondet147 && #t~nondet147 <= 2147483647;~__cil_tmp75~0 := #t~nondet147;havoc #t~nondet147;havoc ~__cil_tmp76~0;havoc ~__cil_tmp77~0;assume -2147483648 <= #t~nondet148 && #t~nondet148 <= 2147483647;~__cil_tmp78~0 := #t~nondet148;havoc #t~nondet148;havoc ~__cil_tmp79~0;havoc ~__cil_tmp80~0;assume -2147483648 <= #t~nondet149 && #t~nondet149 <= 2147483647;~__cil_tmp81~0 := #t~nondet149;havoc #t~nondet149;havoc ~__cil_tmp82~0;havoc ~__cil_tmp83~0;havoc ~__cil_tmp84~0;havoc ~__cil_tmp85~0;havoc ~__cil_tmp86~0;havoc ~__cil_tmp87~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~__cil_tmp88~0 := #t~nondet150;havoc #t~nondet150;havoc ~__cil_tmp89~0;havoc ~__cil_tmp90~0;havoc ~__cil_tmp91~0; {59552#true} is VALID [2018-11-23 12:38:00,856 INFO L273 TraceCheckUtils]: 22: Hoare triple {59552#true} assume 0 != ~disketteExtension__HoldNewRequests~2; {59552#true} is VALID [2018-11-23 12:38:00,856 INFO L273 TraceCheckUtils]: 23: Hoare triple {59552#true} assume ~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 != ~__cil_tmp41~0; {59552#true} is VALID [2018-11-23 12:38:00,856 INFO L256 TraceCheckUtils]: 24: Hoare triple {59552#true} call #t~ret151 := FloppyQueueRequest(~disketteExtension~2, ~Irp); {59552#true} is VALID [2018-11-23 12:38:00,856 INFO L273 TraceCheckUtils]: 25: Hoare triple {59552#true} ~DisketteExtension := #in~DisketteExtension;~Irp := #in~Irp;havoc ~Irp__IoStatus__Status~4;havoc ~Irp__IoStatus__Information~4;havoc ~Irp__Tail__Overlay__CurrentStackLocation__Control~1;havoc ~ntStatus~4;assume -2147483648 <= #t~nondet163 && #t~nondet163 <= 2147483647;~FAKE_CONDITION~1 := #t~nondet163;havoc #t~nondet163;#t~post164 := ~PagingReferenceCount~0;~PagingReferenceCount~0 := 1 + #t~post164;havoc #t~post164; {59552#true} is VALID [2018-11-23 12:38:00,856 INFO L273 TraceCheckUtils]: 26: Hoare triple {59552#true} assume 1 == ~PagingReferenceCount~0; {59552#true} is VALID [2018-11-23 12:38:00,856 INFO L273 TraceCheckUtils]: 27: Hoare triple {59552#true} assume !(0 != ~FAKE_CONDITION~1);~Irp__IoStatus__Status~4 := 259;~myStatus~0 := 259; {59552#true} is VALID [2018-11-23 12:38:00,857 INFO L273 TraceCheckUtils]: 28: Hoare triple {59552#true} assume 0 == ~pended~0;~pended~0 := 1; {59554#(= ~pended~0 1)} is VALID [2018-11-23 12:38:00,857 INFO L273 TraceCheckUtils]: 29: Hoare triple {59554#(= ~pended~0 1)} ~ntStatus~4 := 259; {59554#(= ~pended~0 1)} is VALID [2018-11-23 12:38:00,858 INFO L273 TraceCheckUtils]: 30: Hoare triple {59554#(= ~pended~0 1)} #res := ~ntStatus~4; {59554#(= ~pended~0 1)} is VALID [2018-11-23 12:38:00,858 INFO L273 TraceCheckUtils]: 31: Hoare triple {59554#(= ~pended~0 1)} assume true; {59554#(= ~pended~0 1)} is VALID [2018-11-23 12:38:00,858 INFO L268 TraceCheckUtils]: 32: Hoare quadruple {59554#(= ~pended~0 1)} {59552#true} #1127#return; {59554#(= ~pended~0 1)} is VALID [2018-11-23 12:38:00,860 INFO L273 TraceCheckUtils]: 33: Hoare triple {59554#(= ~pended~0 1)} assume -2147483648 <= #t~ret151 && #t~ret151 <= 2147483647;~ntStatus~3 := #t~ret151;havoc #t~ret151;#res := ~ntStatus~3; {59554#(= ~pended~0 1)} is VALID [2018-11-23 12:38:00,860 INFO L273 TraceCheckUtils]: 34: Hoare triple {59554#(= ~pended~0 1)} assume true; {59554#(= ~pended~0 1)} is VALID [2018-11-23 12:38:00,860 INFO L268 TraceCheckUtils]: 35: Hoare quadruple {59554#(= ~pended~0 1)} {59552#true} #1071#return; {59554#(= ~pended~0 1)} is VALID [2018-11-23 12:38:00,862 INFO L273 TraceCheckUtils]: 36: Hoare triple {59554#(= ~pended~0 1)} assume -2147483648 <= #t~ret95 && #t~ret95 <= 2147483647;~status~1 := #t~ret95;havoc #t~ret95; {59554#(= ~pended~0 1)} is VALID [2018-11-23 12:38:00,862 INFO L273 TraceCheckUtils]: 37: Hoare triple {59554#(= ~pended~0 1)} assume !(1 == ~pended~0); {59553#false} is VALID [2018-11-23 12:38:00,862 INFO L273 TraceCheckUtils]: 38: Hoare triple {59553#false} assume !(1 == ~pended~0); {59553#false} is VALID [2018-11-23 12:38:00,863 INFO L273 TraceCheckUtils]: 39: Hoare triple {59553#false} assume ~s~0 != ~UNLOADED~0; {59553#false} is VALID [2018-11-23 12:38:00,863 INFO L273 TraceCheckUtils]: 40: Hoare triple {59553#false} assume -1 != ~status~1; {59553#false} is VALID [2018-11-23 12:38:00,863 INFO L273 TraceCheckUtils]: 41: Hoare triple {59553#false} assume !(~s~0 != ~SKIP2~0); {59553#false} is VALID [2018-11-23 12:38:00,863 INFO L273 TraceCheckUtils]: 42: Hoare triple {59553#false} assume 1 == ~pended~0; {59553#false} is VALID [2018-11-23 12:38:00,863 INFO L273 TraceCheckUtils]: 43: Hoare triple {59553#false} assume 259 != ~status~1; {59553#false} is VALID [2018-11-23 12:38:00,864 INFO L256 TraceCheckUtils]: 44: Hoare triple {59553#false} call errorFn(); {59553#false} is VALID [2018-11-23 12:38:00,864 INFO L273 TraceCheckUtils]: 45: Hoare triple {59553#false} assume !false; {59553#false} is VALID [2018-11-23 12:38:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:38:00,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:38:00,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:38:00,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-11-23 12:38:00,866 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:38:00,867 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:38:00,914 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:38:00,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:38:00,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:38:00,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:38:00,915 INFO L87 Difference]: Start difference. First operand 918 states and 1229 transitions. Second operand 3 states. [2018-11-23 12:38:05,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:05,372 INFO L93 Difference]: Finished difference Result 948 states and 1265 transitions. [2018-11-23 12:38:05,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:38:05,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-11-23 12:38:05,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:38:05,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:38:05,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 590 transitions. [2018-11-23 12:38:05,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:38:05,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 590 transitions. [2018-11-23 12:38:05,380 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 590 transitions. [2018-11-23 12:38:05,905 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 590 edges. 590 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:38:05,948 INFO L225 Difference]: With dead ends: 948 [2018-11-23 12:38:05,948 INFO L226 Difference]: Without dead ends: 900 [2018-11-23 12:38:05,949 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:38:05,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2018-11-23 12:38:12,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 896. [2018-11-23 12:38:12,581 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:38:12,581 INFO L82 GeneralOperation]: Start isEquivalent. First operand 900 states. Second operand 896 states. [2018-11-23 12:38:12,581 INFO L74 IsIncluded]: Start isIncluded. First operand 900 states. Second operand 896 states. [2018-11-23 12:38:12,582 INFO L87 Difference]: Start difference. First operand 900 states. Second operand 896 states. [2018-11-23 12:38:12,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:12,614 INFO L93 Difference]: Finished difference Result 900 states and 1200 transitions. [2018-11-23 12:38:12,614 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1200 transitions. [2018-11-23 12:38:12,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:12,616 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:12,616 INFO L74 IsIncluded]: Start isIncluded. First operand 896 states. Second operand 900 states. [2018-11-23 12:38:12,616 INFO L87 Difference]: Start difference. First operand 896 states. Second operand 900 states. [2018-11-23 12:38:12,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:12,648 INFO L93 Difference]: Finished difference Result 900 states and 1200 transitions. [2018-11-23 12:38:12,648 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1200 transitions. [2018-11-23 12:38:12,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:12,650 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:12,650 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:38:12,650 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:38:12,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2018-11-23 12:38:12,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1197 transitions. [2018-11-23 12:38:12,700 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1197 transitions. Word has length 46 [2018-11-23 12:38:12,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:38:12,700 INFO L480 AbstractCegarLoop]: Abstraction has 896 states and 1197 transitions. [2018-11-23 12:38:12,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:38:12,700 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1197 transitions. [2018-11-23 12:38:12,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 12:38:12,701 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:38:12,701 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:38:12,701 INFO L423 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:38:12,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:38:12,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1678296023, now seen corresponding path program 1 times [2018-11-23 12:38:12,702 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:38:12,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:38:12,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:12,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:38:12,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:38:12,947 INFO L256 TraceCheckUtils]: 0: Hoare triple {63869#true} call ULTIMATE.init(); {63869#true} is VALID [2018-11-23 12:38:12,947 INFO L273 TraceCheckUtils]: 1: Hoare triple {63869#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {63869#true} is VALID [2018-11-23 12:38:12,947 INFO L273 TraceCheckUtils]: 2: Hoare triple {63869#true} assume true; {63869#true} is VALID [2018-11-23 12:38:12,947 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {63869#true} {63869#true} #1155#return; {63869#true} is VALID [2018-11-23 12:38:12,947 INFO L256 TraceCheckUtils]: 4: Hoare triple {63869#true} call #t~ret166 := main(); {63869#true} is VALID [2018-11-23 12:38:12,948 INFO L273 TraceCheckUtils]: 5: Hoare triple {63869#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {63869#true} is VALID [2018-11-23 12:38:12,948 INFO L256 TraceCheckUtils]: 6: Hoare triple {63869#true} call _BLAST_init(); {63869#true} is VALID [2018-11-23 12:38:12,948 INFO L273 TraceCheckUtils]: 7: Hoare triple {63869#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {63869#true} is VALID [2018-11-23 12:38:12,948 INFO L273 TraceCheckUtils]: 8: Hoare triple {63869#true} assume true; {63869#true} is VALID [2018-11-23 12:38:12,948 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {63869#true} {63869#true} #1063#return; {63869#true} is VALID [2018-11-23 12:38:12,948 INFO L273 TraceCheckUtils]: 10: Hoare triple {63869#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {63869#true} is VALID [2018-11-23 12:38:12,948 INFO L273 TraceCheckUtils]: 11: Hoare triple {63869#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {63869#true} is VALID [2018-11-23 12:38:12,949 INFO L256 TraceCheckUtils]: 12: Hoare triple {63869#true} call stub_driver_init(); {63869#true} is VALID [2018-11-23 12:38:12,949 INFO L273 TraceCheckUtils]: 13: Hoare triple {63869#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {63869#true} is VALID [2018-11-23 12:38:12,949 INFO L273 TraceCheckUtils]: 14: Hoare triple {63869#true} assume true; {63869#true} is VALID [2018-11-23 12:38:12,949 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {63869#true} {63869#true} #1065#return; {63869#true} is VALID [2018-11-23 12:38:12,949 INFO L273 TraceCheckUtils]: 16: Hoare triple {63869#true} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {63869#true} is VALID [2018-11-23 12:38:12,949 INFO L273 TraceCheckUtils]: 17: Hoare triple {63869#true} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {63869#true} is VALID [2018-11-23 12:38:12,949 INFO L273 TraceCheckUtils]: 18: Hoare triple {63869#true} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {63869#true} is VALID [2018-11-23 12:38:12,949 INFO L273 TraceCheckUtils]: 19: Hoare triple {63869#true} assume !(2 == ~tmp_ndt_3~0);havoc ~tmp_ndt_4~0;assume -2147483648 <= #t~nondet92 && #t~nondet92 <= 2147483647;~tmp_ndt_4~0 := #t~nondet92;havoc #t~nondet92; {63869#true} is VALID [2018-11-23 12:38:12,949 INFO L273 TraceCheckUtils]: 20: Hoare triple {63869#true} assume 3 == ~tmp_ndt_4~0; {63869#true} is VALID [2018-11-23 12:38:12,950 INFO L256 TraceCheckUtils]: 21: Hoare triple {63869#true} call #t~ret96 := FloppyPnp(~devobj~0, ~pirp~0); {63869#true} is VALID [2018-11-23 12:38:12,950 INFO L273 TraceCheckUtils]: 22: Hoare triple {63869#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;~DeviceObject__DeviceExtension~0 := #t~nondet12;havoc #t~nondet12;assume -2147483648 <= #t~nondet13 && #t~nondet13 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet13;havoc #t~nondet13;havoc ~Irp__IoStatus__Information~1;havoc ~Irp__IoStatus__Status~1;assume -2147483648 <= #t~nondet14 && #t~nondet14 <= 2147483647;~Irp__CurrentLocation~0 := #t~nondet14;havoc #t~nondet14;assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647;~disketteExtension__IsRemoved~0 := #t~nondet15;havoc #t~nondet15;assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647;~disketteExtension__IsStarted~0 := #t~nondet16;havoc #t~nondet16;assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~disketteExtension__TargetObject~0 := #t~nondet17;havoc #t~nondet17;havoc ~disketteExtension__HoldNewRequests~0;assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~disketteExtension__FloppyThread~0 := #t~nondet18;havoc #t~nondet18;assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~disketteExtension__InterfaceString__Buffer~0 := #t~nondet19;havoc #t~nondet19;assume -2147483648 <= #t~nondet20 && #t~nondet20 <= 2147483647;~disketteExtension__InterfaceString~0 := #t~nondet20;havoc #t~nondet20;assume -2147483648 <= #t~nondet21 && #t~nondet21 <= 2147483647;~disketteExtension__ArcName__Length~0 := #t~nondet21;havoc #t~nondet21;assume -2147483648 <= #t~nondet22 && #t~nondet22 <= 2147483647;~disketteExtension__ArcName~0 := #t~nondet22;havoc #t~nondet22;assume -2147483648 <= #t~nondet23 && #t~nondet23 <= 2147483647;~irpSp__MinorFunction~0 := #t~nondet23;havoc #t~nondet23;assume -2147483648 <= #t~nondet24 && #t~nondet24 <= 2147483647;~IoGetConfigurationInformation__FloppyCount~0 := #t~nondet24;havoc #t~nondet24;havoc ~irpSp~0;havoc ~disketteExtension~0;havoc ~ntStatus~0;assume -2147483648 <= #t~nondet25 && #t~nondet25 <= 2147483647;~doneEvent~0 := #t~nondet25;havoc #t~nondet25;havoc ~irpSp___0~0;havoc ~nextIrpSp~0;havoc ~nextIrpSp__Control~0;havoc ~irpSp___1~0;havoc ~irpSp__Context~0;havoc ~irpSp__Control~0;havoc ~__cil_tmp29~0;havoc ~__cil_tmp30~0;~ntStatus~0 := 0;#t~post26 := ~PagingReferenceCount~0;~PagingReferenceCount~0 := 1 + #t~post26;havoc #t~post26; {63869#true} is VALID [2018-11-23 12:38:12,950 INFO L273 TraceCheckUtils]: 23: Hoare triple {63869#true} assume 1 == ~PagingReferenceCount~0; {63869#true} is VALID [2018-11-23 12:38:12,950 INFO L273 TraceCheckUtils]: 24: Hoare triple {63869#true} ~disketteExtension~0 := ~DeviceObject__DeviceExtension~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0; {63869#true} is VALID [2018-11-23 12:38:12,950 INFO L273 TraceCheckUtils]: 25: Hoare triple {63869#true} assume 0 != ~disketteExtension__IsRemoved~0;~Irp__IoStatus__Information~1 := 0;~Irp__IoStatus__Status~1 := -1073741738;~myStatus~0 := -1073741738; {63869#true} is VALID [2018-11-23 12:38:12,950 INFO L256 TraceCheckUtils]: 26: Hoare triple {63869#true} call IofCompleteRequest(~Irp, 0); {63869#true} is VALID [2018-11-23 12:38:12,951 INFO L273 TraceCheckUtils]: 27: Hoare triple {63869#true} ~Irp := #in~Irp;~PriorityBoost := #in~PriorityBoost; {63869#true} is VALID [2018-11-23 12:38:12,951 INFO L273 TraceCheckUtils]: 28: Hoare triple {63869#true} assume ~s~0 == ~NP~0;~s~0 := ~DC~0; {63869#true} is VALID [2018-11-23 12:38:12,951 INFO L273 TraceCheckUtils]: 29: Hoare triple {63869#true} assume true; {63869#true} is VALID [2018-11-23 12:38:12,951 INFO L268 TraceCheckUtils]: 30: Hoare quadruple {63869#true} {63869#true} #1015#return; {63869#true} is VALID [2018-11-23 12:38:12,952 INFO L273 TraceCheckUtils]: 31: Hoare triple {63869#true} #res := -1073741738; {63871#(<= (+ |FloppyPnp_#res| 1073741738) 0)} is VALID [2018-11-23 12:38:12,952 INFO L273 TraceCheckUtils]: 32: Hoare triple {63871#(<= (+ |FloppyPnp_#res| 1073741738) 0)} assume true; {63871#(<= (+ |FloppyPnp_#res| 1073741738) 0)} is VALID [2018-11-23 12:38:12,954 INFO L268 TraceCheckUtils]: 33: Hoare quadruple {63871#(<= (+ |FloppyPnp_#res| 1073741738) 0)} {63869#true} #1073#return; {63872#(<= (+ |main_#t~ret96| 1073741738) 0)} is VALID [2018-11-23 12:38:12,954 INFO L273 TraceCheckUtils]: 34: Hoare triple {63872#(<= (+ |main_#t~ret96| 1073741738) 0)} assume -2147483648 <= #t~ret96 && #t~ret96 <= 2147483647;~status~1 := #t~ret96;havoc #t~ret96; {63873#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:38:12,957 INFO L273 TraceCheckUtils]: 35: Hoare triple {63873#(<= (+ main_~status~1 1073741738) 0)} assume !(1 == ~pended~0); {63873#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:38:12,957 INFO L273 TraceCheckUtils]: 36: Hoare triple {63873#(<= (+ main_~status~1 1073741738) 0)} assume !(1 == ~pended~0); {63873#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:38:12,959 INFO L273 TraceCheckUtils]: 37: Hoare triple {63873#(<= (+ main_~status~1 1073741738) 0)} assume ~s~0 != ~UNLOADED~0; {63873#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:38:12,967 INFO L273 TraceCheckUtils]: 38: Hoare triple {63873#(<= (+ main_~status~1 1073741738) 0)} assume -1 != ~status~1; {63873#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:38:12,980 INFO L273 TraceCheckUtils]: 39: Hoare triple {63873#(<= (+ main_~status~1 1073741738) 0)} assume ~s~0 != ~SKIP2~0; {63873#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:38:12,983 INFO L273 TraceCheckUtils]: 40: Hoare triple {63873#(<= (+ main_~status~1 1073741738) 0)} assume ~s~0 != ~IPC~0; {63873#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:38:12,983 INFO L273 TraceCheckUtils]: 41: Hoare triple {63873#(<= (+ main_~status~1 1073741738) 0)} assume !(~s~0 != ~DC~0); {63873#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:38:12,985 INFO L273 TraceCheckUtils]: 42: Hoare triple {63873#(<= (+ main_~status~1 1073741738) 0)} assume !(1 == ~pended~0); {63873#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:38:12,985 INFO L273 TraceCheckUtils]: 43: Hoare triple {63873#(<= (+ main_~status~1 1073741738) 0)} assume ~s~0 == ~DC~0; {63873#(<= (+ main_~status~1 1073741738) 0)} is VALID [2018-11-23 12:38:12,987 INFO L273 TraceCheckUtils]: 44: Hoare triple {63873#(<= (+ main_~status~1 1073741738) 0)} assume 259 == ~status~1; {63870#false} is VALID [2018-11-23 12:38:12,987 INFO L256 TraceCheckUtils]: 45: Hoare triple {63870#false} call errorFn(); {63870#false} is VALID [2018-11-23 12:38:12,987 INFO L273 TraceCheckUtils]: 46: Hoare triple {63870#false} assume !false; {63870#false} is VALID [2018-11-23 12:38:12,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:38:12,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:38:12,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:38:12,990 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-11-23 12:38:12,990 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:38:12,990 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 12:38:13,059 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:38:13,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:38:13,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:38:13,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:38:13,060 INFO L87 Difference]: Start difference. First operand 896 states and 1197 transitions. Second operand 5 states. [2018-11-23 12:38:18,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:18,208 INFO L93 Difference]: Finished difference Result 912 states and 1212 transitions. [2018-11-23 12:38:18,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 12:38:18,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2018-11-23 12:38:18,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:38:18,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:38:18,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 493 transitions. [2018-11-23 12:38:18,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:38:18,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 493 transitions. [2018-11-23 12:38:18,213 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 493 transitions. [2018-11-23 12:38:18,686 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 493 edges. 493 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:38:18,726 INFO L225 Difference]: With dead ends: 912 [2018-11-23 12:38:18,726 INFO L226 Difference]: Without dead ends: 894 [2018-11-23 12:38:18,727 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:38:18,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-11-23 12:38:22,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2018-11-23 12:38:22,155 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:38:22,155 INFO L82 GeneralOperation]: Start isEquivalent. First operand 894 states. Second operand 894 states. [2018-11-23 12:38:22,155 INFO L74 IsIncluded]: Start isIncluded. First operand 894 states. Second operand 894 states. [2018-11-23 12:38:22,155 INFO L87 Difference]: Start difference. First operand 894 states. Second operand 894 states. [2018-11-23 12:38:22,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:22,188 INFO L93 Difference]: Finished difference Result 894 states and 1193 transitions. [2018-11-23 12:38:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1193 transitions. [2018-11-23 12:38:22,189 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:22,189 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:22,190 INFO L74 IsIncluded]: Start isIncluded. First operand 894 states. Second operand 894 states. [2018-11-23 12:38:22,190 INFO L87 Difference]: Start difference. First operand 894 states. Second operand 894 states. [2018-11-23 12:38:22,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:22,232 INFO L93 Difference]: Finished difference Result 894 states and 1193 transitions. [2018-11-23 12:38:22,232 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1193 transitions. [2018-11-23 12:38:22,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:22,234 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:22,234 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:38:22,234 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:38:22,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2018-11-23 12:38:22,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1193 transitions. [2018-11-23 12:38:22,270 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1193 transitions. Word has length 47 [2018-11-23 12:38:22,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:38:22,271 INFO L480 AbstractCegarLoop]: Abstraction has 894 states and 1193 transitions. [2018-11-23 12:38:22,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:38:22,271 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1193 transitions. [2018-11-23 12:38:22,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 12:38:22,272 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:38:22,272 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:38:22,272 INFO L423 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:38:22,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:38:22,272 INFO L82 PathProgramCache]: Analyzing trace with hash 789546877, now seen corresponding path program 1 times [2018-11-23 12:38:22,272 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:38:22,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:38:22,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:22,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:38:22,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:38:22,411 INFO L256 TraceCheckUtils]: 0: Hoare triple {68127#true} call ULTIMATE.init(); {68127#true} is VALID [2018-11-23 12:38:22,412 INFO L273 TraceCheckUtils]: 1: Hoare triple {68127#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {68127#true} is VALID [2018-11-23 12:38:22,412 INFO L273 TraceCheckUtils]: 2: Hoare triple {68127#true} assume true; {68127#true} is VALID [2018-11-23 12:38:22,412 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {68127#true} {68127#true} #1155#return; {68127#true} is VALID [2018-11-23 12:38:22,412 INFO L256 TraceCheckUtils]: 4: Hoare triple {68127#true} call #t~ret166 := main(); {68127#true} is VALID [2018-11-23 12:38:22,412 INFO L273 TraceCheckUtils]: 5: Hoare triple {68127#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {68127#true} is VALID [2018-11-23 12:38:22,413 INFO L256 TraceCheckUtils]: 6: Hoare triple {68127#true} call _BLAST_init(); {68127#true} is VALID [2018-11-23 12:38:22,413 INFO L273 TraceCheckUtils]: 7: Hoare triple {68127#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {68127#true} is VALID [2018-11-23 12:38:22,413 INFO L273 TraceCheckUtils]: 8: Hoare triple {68127#true} assume true; {68127#true} is VALID [2018-11-23 12:38:22,413 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {68127#true} {68127#true} #1063#return; {68127#true} is VALID [2018-11-23 12:38:22,413 INFO L273 TraceCheckUtils]: 10: Hoare triple {68127#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {68127#true} is VALID [2018-11-23 12:38:22,414 INFO L273 TraceCheckUtils]: 11: Hoare triple {68127#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {68127#true} is VALID [2018-11-23 12:38:22,414 INFO L256 TraceCheckUtils]: 12: Hoare triple {68127#true} call stub_driver_init(); {68127#true} is VALID [2018-11-23 12:38:22,414 INFO L273 TraceCheckUtils]: 13: Hoare triple {68127#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {68127#true} is VALID [2018-11-23 12:38:22,414 INFO L273 TraceCheckUtils]: 14: Hoare triple {68127#true} assume true; {68127#true} is VALID [2018-11-23 12:38:22,414 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {68127#true} {68127#true} #1065#return; {68127#true} is VALID [2018-11-23 12:38:22,414 INFO L273 TraceCheckUtils]: 16: Hoare triple {68127#true} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {68127#true} is VALID [2018-11-23 12:38:22,414 INFO L273 TraceCheckUtils]: 17: Hoare triple {68127#true} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {68127#true} is VALID [2018-11-23 12:38:22,414 INFO L273 TraceCheckUtils]: 18: Hoare triple {68127#true} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {68127#true} is VALID [2018-11-23 12:38:22,415 INFO L273 TraceCheckUtils]: 19: Hoare triple {68127#true} assume 2 == ~tmp_ndt_3~0; {68127#true} is VALID [2018-11-23 12:38:22,415 INFO L256 TraceCheckUtils]: 20: Hoare triple {68127#true} call #t~ret95 := FloppyDeviceControl(~devobj~0, ~pirp~0); {68127#true} is VALID [2018-11-23 12:38:22,415 INFO L273 TraceCheckUtils]: 21: Hoare triple {68127#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet112 && #t~nondet112 <= 2147483647;~disketteExtension__HoldNewRequests~2 := #t~nondet112;havoc #t~nondet112;assume -2147483648 <= #t~nondet113 && #t~nondet113 <= 2147483647;~disketteExtension__IsRemoved~1 := #t~nondet113;havoc #t~nondet113;havoc ~Irp__IoStatus__Information~3;assume -2147483648 <= #t~nondet114 && #t~nondet114 <= 2147483647;~disketteExtension__IsStarted~2 := #t~nondet114;havoc #t~nondet114;assume -2147483648 <= #t~nondet115 && #t~nondet115 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet115;havoc #t~nondet115;assume -2147483648 <= #t~nondet116 && #t~nondet116 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~2 := #t~nondet116;havoc #t~nondet116;assume -2147483648 <= #t~nondet117 && #t~nondet117 <= 2147483647;~disketteExtension__TargetObject~2 := #t~nondet117;havoc #t~nondet117;assume -2147483648 <= #t~nondet118 && #t~nondet118 <= 2147483647;~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 := #t~nondet118;havoc #t~nondet118;assume -2147483648 <= #t~nondet119 && #t~nondet119 <= 2147483647;~sizeof__MOUNTDEV_NAME~0 := #t~nondet119;havoc #t~nondet119;assume -2147483648 <= #t~nondet120 && #t~nondet120 <= 2147483647;~Irp__AssociatedIrp__SystemBuffer~0 := #t~nondet120;havoc #t~nondet120;havoc ~mountName__NameLength~0;assume -2147483648 <= #t~nondet121 && #t~nondet121 <= 2147483647;~disketteExtension__DeviceName__Length~0 := #t~nondet121;havoc #t~nondet121;assume -2147483648 <= #t~nondet122 && #t~nondet122 <= 2147483647;~sizeof__USHORT~0 := #t~nondet122;havoc #t~nondet122;assume -2147483648 <= #t~nondet123 && #t~nondet123 <= 2147483647;~disketteExtension__InterfaceString__Buffer~1 := #t~nondet123;havoc #t~nondet123;havoc ~uniqueId__UniqueIdLength~0;assume -2147483648 <= #t~nondet124 && #t~nondet124 <= 2147483647;~disketteExtension__InterfaceString__Length~0 := #t~nondet124;havoc #t~nondet124;assume -2147483648 <= #t~nondet125 && #t~nondet125 <= 2147483647;~sizeof__MOUNTDEV_UNIQUE_ID~0 := #t~nondet125;havoc #t~nondet125;assume -2147483648 <= #t~nondet126 && #t~nondet126 <= 2147483647;~irpSp__Parameters__DeviceIoControl__InputBufferLength~0 := #t~nondet126;havoc #t~nondet126;assume -2147483648 <= #t~nondet127 && #t~nondet127 <= 2147483647;~sizeof__FORMAT_PARAMETERS~0 := #t~nondet127;havoc #t~nondet127;assume -2147483648 <= #t~nondet128 && #t~nondet128 <= 2147483647;~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 := #t~nondet128;havoc #t~nondet128;assume -2147483648 <= #t~nondet129 && #t~nondet129 <= 2147483647;~sizeof__FORMAT_EX_PARAMETERS~0 := #t~nondet129;havoc #t~nondet129;assume -2147483648 <= #t~nondet130 && #t~nondet130 <= 2147483647;~formatExParameters__FormatGapLength~0 := #t~nondet130;havoc #t~nondet130;assume -2147483648 <= #t~nondet131 && #t~nondet131 <= 2147483647;~formatExParameters__SectorsPerTrack~0 := #t~nondet131;havoc #t~nondet131;assume -2147483648 <= #t~nondet132 && #t~nondet132 <= 2147483647;~sizeof__DISK_GEOMETRY~0 := #t~nondet132;havoc #t~nondet132;havoc ~Irp__IoStatus__Status___0~0;assume -2147483648 <= #t~nondet133 && #t~nondet133 <= 2147483647;~disketteExtension~2 := #t~nondet133;havoc #t~nondet133;havoc ~ntStatus~3;havoc ~outputBufferLength~0;assume -2147483648 <= #t~nondet134 && #t~nondet134 <= 2147483647;~lowestDriveMediaType~0 := #t~nondet134;havoc #t~nondet134;assume -2147483648 <= #t~nondet135 && #t~nondet135 <= 2147483647;~highestDriveMediaType~0 := #t~nondet135;havoc #t~nondet135;assume -2147483648 <= #t~nondet136 && #t~nondet136 <= 2147483647;~formatExParametersSize~0 := #t~nondet136;havoc #t~nondet136;havoc ~formatExParameters~0;havoc ~tmp~0;havoc ~mountName~0;havoc ~uniqueId~0;havoc ~tmp___0~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;assume -2147483648 <= #t~nondet137 && #t~nondet137 <= 2147483647;~__cil_tmp41~0 := #t~nondet137;havoc #t~nondet137;havoc ~__cil_tmp42~1;havoc ~__cil_tmp43~1;assume -2147483648 <= #t~nondet138 && #t~nondet138 <= 2147483647;~__cil_tmp44~1 := #t~nondet138;havoc #t~nondet138;assume -2147483648 <= #t~nondet139 && #t~nondet139 <= 2147483647;~__cil_tmp45~1 := #t~nondet139;havoc #t~nondet139;havoc ~__cil_tmp46~1;havoc ~__cil_tmp47~1;havoc ~__cil_tmp48~1;havoc ~__cil_tmp49~1;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~__cil_tmp50~0 := #t~nondet140;havoc #t~nondet140;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~__cil_tmp55~0 := #t~nondet141;havoc #t~nondet141;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;assume -2147483648 <= #t~nondet142 && #t~nondet142 <= 2147483647;~__cil_tmp60~0 := #t~nondet142;havoc #t~nondet142;havoc ~__cil_tmp61~0;havoc ~__cil_tmp62~0;havoc ~__cil_tmp63~0;havoc ~__cil_tmp64~0;assume -2147483648 <= #t~nondet143 && #t~nondet143 <= 2147483647;~__cil_tmp65~0 := #t~nondet143;havoc #t~nondet143;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~__cil_tmp66~0 := #t~nondet144;havoc #t~nondet144;havoc ~__cil_tmp67~0;havoc ~__cil_tmp68~0;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~__cil_tmp69~0 := #t~nondet145;havoc #t~nondet145;havoc ~__cil_tmp70~0;havoc ~__cil_tmp71~0;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~__cil_tmp72~0 := #t~nondet146;havoc #t~nondet146;havoc ~__cil_tmp73~0;havoc ~__cil_tmp74~0;assume -2147483648 <= #t~nondet147 && #t~nondet147 <= 2147483647;~__cil_tmp75~0 := #t~nondet147;havoc #t~nondet147;havoc ~__cil_tmp76~0;havoc ~__cil_tmp77~0;assume -2147483648 <= #t~nondet148 && #t~nondet148 <= 2147483647;~__cil_tmp78~0 := #t~nondet148;havoc #t~nondet148;havoc ~__cil_tmp79~0;havoc ~__cil_tmp80~0;assume -2147483648 <= #t~nondet149 && #t~nondet149 <= 2147483647;~__cil_tmp81~0 := #t~nondet149;havoc #t~nondet149;havoc ~__cil_tmp82~0;havoc ~__cil_tmp83~0;havoc ~__cil_tmp84~0;havoc ~__cil_tmp85~0;havoc ~__cil_tmp86~0;havoc ~__cil_tmp87~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~__cil_tmp88~0 := #t~nondet150;havoc #t~nondet150;havoc ~__cil_tmp89~0;havoc ~__cil_tmp90~0;havoc ~__cil_tmp91~0; {68127#true} is VALID [2018-11-23 12:38:22,415 INFO L273 TraceCheckUtils]: 22: Hoare triple {68127#true} assume !(0 != ~disketteExtension__HoldNewRequests~2); {68127#true} is VALID [2018-11-23 12:38:22,415 INFO L273 TraceCheckUtils]: 23: Hoare triple {68127#true} assume !(0 != ~disketteExtension__IsRemoved~1); {68127#true} is VALID [2018-11-23 12:38:22,415 INFO L273 TraceCheckUtils]: 24: Hoare triple {68127#true} assume !(0 == ~disketteExtension__IsStarted~2); {68127#true} is VALID [2018-11-23 12:38:22,415 INFO L273 TraceCheckUtils]: 25: Hoare triple {68127#true} assume ~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 == ~__cil_tmp44~1; {68127#true} is VALID [2018-11-23 12:38:22,416 INFO L273 TraceCheckUtils]: 26: Hoare triple {68127#true} assume ~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 < ~sizeof__MOUNTDEV_NAME~0;~ntStatus~3 := -1073741811; {68129#(<= (+ FloppyDeviceControl_~ntStatus~3 1073741811) 0)} is VALID [2018-11-23 12:38:22,416 INFO L273 TraceCheckUtils]: 27: Hoare triple {68129#(<= (+ FloppyDeviceControl_~ntStatus~3 1073741811) 0)} ~__cil_tmp91~0 := ~ntStatus~3; {68129#(<= (+ FloppyDeviceControl_~ntStatus~3 1073741811) 0)} is VALID [2018-11-23 12:38:22,417 INFO L273 TraceCheckUtils]: 28: Hoare triple {68129#(<= (+ FloppyDeviceControl_~ntStatus~3 1073741811) 0)} assume 259 != ~__cil_tmp91~0;~Irp__IoStatus__Status___0~0 := ~ntStatus~3;~myStatus~0 := ~ntStatus~3; {68129#(<= (+ FloppyDeviceControl_~ntStatus~3 1073741811) 0)} is VALID [2018-11-23 12:38:22,417 INFO L256 TraceCheckUtils]: 29: Hoare triple {68129#(<= (+ FloppyDeviceControl_~ntStatus~3 1073741811) 0)} call IofCompleteRequest(~Irp, 0); {68127#true} is VALID [2018-11-23 12:38:22,417 INFO L273 TraceCheckUtils]: 30: Hoare triple {68127#true} ~Irp := #in~Irp;~PriorityBoost := #in~PriorityBoost; {68127#true} is VALID [2018-11-23 12:38:22,417 INFO L273 TraceCheckUtils]: 31: Hoare triple {68127#true} assume ~s~0 == ~NP~0;~s~0 := ~DC~0; {68127#true} is VALID [2018-11-23 12:38:22,417 INFO L273 TraceCheckUtils]: 32: Hoare triple {68127#true} assume true; {68127#true} is VALID [2018-11-23 12:38:22,418 INFO L268 TraceCheckUtils]: 33: Hoare quadruple {68127#true} {68129#(<= (+ FloppyDeviceControl_~ntStatus~3 1073741811) 0)} #1143#return; {68129#(<= (+ FloppyDeviceControl_~ntStatus~3 1073741811) 0)} is VALID [2018-11-23 12:38:22,418 INFO L273 TraceCheckUtils]: 34: Hoare triple {68129#(<= (+ FloppyDeviceControl_~ntStatus~3 1073741811) 0)} #res := ~ntStatus~3; {68130#(<= (+ |FloppyDeviceControl_#res| 1073741811) 0)} is VALID [2018-11-23 12:38:22,418 INFO L273 TraceCheckUtils]: 35: Hoare triple {68130#(<= (+ |FloppyDeviceControl_#res| 1073741811) 0)} assume true; {68130#(<= (+ |FloppyDeviceControl_#res| 1073741811) 0)} is VALID [2018-11-23 12:38:22,419 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {68130#(<= (+ |FloppyDeviceControl_#res| 1073741811) 0)} {68127#true} #1071#return; {68131#(<= (+ |main_#t~ret95| 1073741811) 0)} is VALID [2018-11-23 12:38:22,420 INFO L273 TraceCheckUtils]: 37: Hoare triple {68131#(<= (+ |main_#t~ret95| 1073741811) 0)} assume -2147483648 <= #t~ret95 && #t~ret95 <= 2147483647;~status~1 := #t~ret95;havoc #t~ret95; {68132#(<= (+ main_~status~1 1073741811) 0)} is VALID [2018-11-23 12:38:22,420 INFO L273 TraceCheckUtils]: 38: Hoare triple {68132#(<= (+ main_~status~1 1073741811) 0)} assume !(1 == ~pended~0); {68132#(<= (+ main_~status~1 1073741811) 0)} is VALID [2018-11-23 12:38:22,421 INFO L273 TraceCheckUtils]: 39: Hoare triple {68132#(<= (+ main_~status~1 1073741811) 0)} assume !(1 == ~pended~0); {68132#(<= (+ main_~status~1 1073741811) 0)} is VALID [2018-11-23 12:38:22,421 INFO L273 TraceCheckUtils]: 40: Hoare triple {68132#(<= (+ main_~status~1 1073741811) 0)} assume ~s~0 != ~UNLOADED~0; {68132#(<= (+ main_~status~1 1073741811) 0)} is VALID [2018-11-23 12:38:22,422 INFO L273 TraceCheckUtils]: 41: Hoare triple {68132#(<= (+ main_~status~1 1073741811) 0)} assume -1 != ~status~1; {68132#(<= (+ main_~status~1 1073741811) 0)} is VALID [2018-11-23 12:38:22,422 INFO L273 TraceCheckUtils]: 42: Hoare triple {68132#(<= (+ main_~status~1 1073741811) 0)} assume ~s~0 != ~SKIP2~0; {68132#(<= (+ main_~status~1 1073741811) 0)} is VALID [2018-11-23 12:38:22,423 INFO L273 TraceCheckUtils]: 43: Hoare triple {68132#(<= (+ main_~status~1 1073741811) 0)} assume ~s~0 != ~IPC~0; {68132#(<= (+ main_~status~1 1073741811) 0)} is VALID [2018-11-23 12:38:22,423 INFO L273 TraceCheckUtils]: 44: Hoare triple {68132#(<= (+ main_~status~1 1073741811) 0)} assume !(~s~0 != ~DC~0); {68132#(<= (+ main_~status~1 1073741811) 0)} is VALID [2018-11-23 12:38:22,424 INFO L273 TraceCheckUtils]: 45: Hoare triple {68132#(<= (+ main_~status~1 1073741811) 0)} assume !(1 == ~pended~0); {68132#(<= (+ main_~status~1 1073741811) 0)} is VALID [2018-11-23 12:38:22,424 INFO L273 TraceCheckUtils]: 46: Hoare triple {68132#(<= (+ main_~status~1 1073741811) 0)} assume ~s~0 == ~DC~0; {68132#(<= (+ main_~status~1 1073741811) 0)} is VALID [2018-11-23 12:38:22,425 INFO L273 TraceCheckUtils]: 47: Hoare triple {68132#(<= (+ main_~status~1 1073741811) 0)} assume 259 == ~status~1; {68128#false} is VALID [2018-11-23 12:38:22,425 INFO L256 TraceCheckUtils]: 48: Hoare triple {68128#false} call errorFn(); {68128#false} is VALID [2018-11-23 12:38:22,425 INFO L273 TraceCheckUtils]: 49: Hoare triple {68128#false} assume !false; {68128#false} is VALID [2018-11-23 12:38:22,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:38:22,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:38:22,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:38:22,429 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-11-23 12:38:22,429 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:38:22,429 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 12:38:22,478 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:38:22,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:38:22,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:38:22,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:38:22,479 INFO L87 Difference]: Start difference. First operand 894 states and 1193 transitions. Second operand 6 states. [2018-11-23 12:38:30,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:30,674 INFO L93 Difference]: Finished difference Result 914 states and 1213 transitions. [2018-11-23 12:38:30,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:38:30,674 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 50 [2018-11-23 12:38:30,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:38:30,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 12:38:30,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 494 transitions. [2018-11-23 12:38:30,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 12:38:30,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 494 transitions. [2018-11-23 12:38:30,683 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 494 transitions. [2018-11-23 12:38:31,121 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 494 edges. 494 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:38:31,160 INFO L225 Difference]: With dead ends: 914 [2018-11-23 12:38:31,160 INFO L226 Difference]: Without dead ends: 894 [2018-11-23 12:38:31,160 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:38:31,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-11-23 12:38:35,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 894. [2018-11-23 12:38:35,034 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:38:35,034 INFO L82 GeneralOperation]: Start isEquivalent. First operand 894 states. Second operand 894 states. [2018-11-23 12:38:35,034 INFO L74 IsIncluded]: Start isIncluded. First operand 894 states. Second operand 894 states. [2018-11-23 12:38:35,034 INFO L87 Difference]: Start difference. First operand 894 states. Second operand 894 states. [2018-11-23 12:38:35,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:35,070 INFO L93 Difference]: Finished difference Result 894 states and 1181 transitions. [2018-11-23 12:38:35,070 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1181 transitions. [2018-11-23 12:38:35,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:35,072 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:35,072 INFO L74 IsIncluded]: Start isIncluded. First operand 894 states. Second operand 894 states. [2018-11-23 12:38:35,072 INFO L87 Difference]: Start difference. First operand 894 states. Second operand 894 states. [2018-11-23 12:38:35,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:35,103 INFO L93 Difference]: Finished difference Result 894 states and 1181 transitions. [2018-11-23 12:38:35,103 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1181 transitions. [2018-11-23 12:38:35,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:35,105 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:35,105 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:38:35,105 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:38:35,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2018-11-23 12:38:35,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1181 transitions. [2018-11-23 12:38:35,140 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1181 transitions. Word has length 50 [2018-11-23 12:38:35,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:38:35,140 INFO L480 AbstractCegarLoop]: Abstraction has 894 states and 1181 transitions. [2018-11-23 12:38:35,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:38:35,140 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1181 transitions. [2018-11-23 12:38:35,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 12:38:35,141 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:38:35,141 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:38:35,142 INFO L423 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:38:35,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:38:35,142 INFO L82 PathProgramCache]: Analyzing trace with hash 640091009, now seen corresponding path program 1 times [2018-11-23 12:38:35,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:38:35,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:38:35,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:35,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:38:35,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:38:35,234 INFO L256 TraceCheckUtils]: 0: Hoare triple {72391#true} call ULTIMATE.init(); {72391#true} is VALID [2018-11-23 12:38:35,234 INFO L273 TraceCheckUtils]: 1: Hoare triple {72391#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {72391#true} is VALID [2018-11-23 12:38:35,235 INFO L273 TraceCheckUtils]: 2: Hoare triple {72391#true} assume true; {72391#true} is VALID [2018-11-23 12:38:35,235 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {72391#true} {72391#true} #1155#return; {72391#true} is VALID [2018-11-23 12:38:35,235 INFO L256 TraceCheckUtils]: 4: Hoare triple {72391#true} call #t~ret166 := main(); {72391#true} is VALID [2018-11-23 12:38:35,235 INFO L273 TraceCheckUtils]: 5: Hoare triple {72391#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {72391#true} is VALID [2018-11-23 12:38:35,235 INFO L256 TraceCheckUtils]: 6: Hoare triple {72391#true} call _BLAST_init(); {72391#true} is VALID [2018-11-23 12:38:35,235 INFO L273 TraceCheckUtils]: 7: Hoare triple {72391#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {72391#true} is VALID [2018-11-23 12:38:35,235 INFO L273 TraceCheckUtils]: 8: Hoare triple {72391#true} assume true; {72391#true} is VALID [2018-11-23 12:38:35,236 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {72391#true} {72391#true} #1063#return; {72391#true} is VALID [2018-11-23 12:38:35,236 INFO L273 TraceCheckUtils]: 10: Hoare triple {72391#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {72391#true} is VALID [2018-11-23 12:38:35,236 INFO L273 TraceCheckUtils]: 11: Hoare triple {72391#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {72391#true} is VALID [2018-11-23 12:38:35,236 INFO L256 TraceCheckUtils]: 12: Hoare triple {72391#true} call stub_driver_init(); {72391#true} is VALID [2018-11-23 12:38:35,236 INFO L273 TraceCheckUtils]: 13: Hoare triple {72391#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {72391#true} is VALID [2018-11-23 12:38:35,236 INFO L273 TraceCheckUtils]: 14: Hoare triple {72391#true} assume true; {72391#true} is VALID [2018-11-23 12:38:35,236 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {72391#true} {72391#true} #1065#return; {72391#true} is VALID [2018-11-23 12:38:35,236 INFO L273 TraceCheckUtils]: 16: Hoare triple {72391#true} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {72391#true} is VALID [2018-11-23 12:38:35,237 INFO L273 TraceCheckUtils]: 17: Hoare triple {72391#true} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {72391#true} is VALID [2018-11-23 12:38:35,237 INFO L273 TraceCheckUtils]: 18: Hoare triple {72391#true} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {72391#true} is VALID [2018-11-23 12:38:35,237 INFO L273 TraceCheckUtils]: 19: Hoare triple {72391#true} assume 2 == ~tmp_ndt_3~0; {72391#true} is VALID [2018-11-23 12:38:35,237 INFO L256 TraceCheckUtils]: 20: Hoare triple {72391#true} call #t~ret95 := FloppyDeviceControl(~devobj~0, ~pirp~0); {72391#true} is VALID [2018-11-23 12:38:35,237 INFO L273 TraceCheckUtils]: 21: Hoare triple {72391#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet112 && #t~nondet112 <= 2147483647;~disketteExtension__HoldNewRequests~2 := #t~nondet112;havoc #t~nondet112;assume -2147483648 <= #t~nondet113 && #t~nondet113 <= 2147483647;~disketteExtension__IsRemoved~1 := #t~nondet113;havoc #t~nondet113;havoc ~Irp__IoStatus__Information~3;assume -2147483648 <= #t~nondet114 && #t~nondet114 <= 2147483647;~disketteExtension__IsStarted~2 := #t~nondet114;havoc #t~nondet114;assume -2147483648 <= #t~nondet115 && #t~nondet115 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet115;havoc #t~nondet115;assume -2147483648 <= #t~nondet116 && #t~nondet116 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~2 := #t~nondet116;havoc #t~nondet116;assume -2147483648 <= #t~nondet117 && #t~nondet117 <= 2147483647;~disketteExtension__TargetObject~2 := #t~nondet117;havoc #t~nondet117;assume -2147483648 <= #t~nondet118 && #t~nondet118 <= 2147483647;~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 := #t~nondet118;havoc #t~nondet118;assume -2147483648 <= #t~nondet119 && #t~nondet119 <= 2147483647;~sizeof__MOUNTDEV_NAME~0 := #t~nondet119;havoc #t~nondet119;assume -2147483648 <= #t~nondet120 && #t~nondet120 <= 2147483647;~Irp__AssociatedIrp__SystemBuffer~0 := #t~nondet120;havoc #t~nondet120;havoc ~mountName__NameLength~0;assume -2147483648 <= #t~nondet121 && #t~nondet121 <= 2147483647;~disketteExtension__DeviceName__Length~0 := #t~nondet121;havoc #t~nondet121;assume -2147483648 <= #t~nondet122 && #t~nondet122 <= 2147483647;~sizeof__USHORT~0 := #t~nondet122;havoc #t~nondet122;assume -2147483648 <= #t~nondet123 && #t~nondet123 <= 2147483647;~disketteExtension__InterfaceString__Buffer~1 := #t~nondet123;havoc #t~nondet123;havoc ~uniqueId__UniqueIdLength~0;assume -2147483648 <= #t~nondet124 && #t~nondet124 <= 2147483647;~disketteExtension__InterfaceString__Length~0 := #t~nondet124;havoc #t~nondet124;assume -2147483648 <= #t~nondet125 && #t~nondet125 <= 2147483647;~sizeof__MOUNTDEV_UNIQUE_ID~0 := #t~nondet125;havoc #t~nondet125;assume -2147483648 <= #t~nondet126 && #t~nondet126 <= 2147483647;~irpSp__Parameters__DeviceIoControl__InputBufferLength~0 := #t~nondet126;havoc #t~nondet126;assume -2147483648 <= #t~nondet127 && #t~nondet127 <= 2147483647;~sizeof__FORMAT_PARAMETERS~0 := #t~nondet127;havoc #t~nondet127;assume -2147483648 <= #t~nondet128 && #t~nondet128 <= 2147483647;~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 := #t~nondet128;havoc #t~nondet128;assume -2147483648 <= #t~nondet129 && #t~nondet129 <= 2147483647;~sizeof__FORMAT_EX_PARAMETERS~0 := #t~nondet129;havoc #t~nondet129;assume -2147483648 <= #t~nondet130 && #t~nondet130 <= 2147483647;~formatExParameters__FormatGapLength~0 := #t~nondet130;havoc #t~nondet130;assume -2147483648 <= #t~nondet131 && #t~nondet131 <= 2147483647;~formatExParameters__SectorsPerTrack~0 := #t~nondet131;havoc #t~nondet131;assume -2147483648 <= #t~nondet132 && #t~nondet132 <= 2147483647;~sizeof__DISK_GEOMETRY~0 := #t~nondet132;havoc #t~nondet132;havoc ~Irp__IoStatus__Status___0~0;assume -2147483648 <= #t~nondet133 && #t~nondet133 <= 2147483647;~disketteExtension~2 := #t~nondet133;havoc #t~nondet133;havoc ~ntStatus~3;havoc ~outputBufferLength~0;assume -2147483648 <= #t~nondet134 && #t~nondet134 <= 2147483647;~lowestDriveMediaType~0 := #t~nondet134;havoc #t~nondet134;assume -2147483648 <= #t~nondet135 && #t~nondet135 <= 2147483647;~highestDriveMediaType~0 := #t~nondet135;havoc #t~nondet135;assume -2147483648 <= #t~nondet136 && #t~nondet136 <= 2147483647;~formatExParametersSize~0 := #t~nondet136;havoc #t~nondet136;havoc ~formatExParameters~0;havoc ~tmp~0;havoc ~mountName~0;havoc ~uniqueId~0;havoc ~tmp___0~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;assume -2147483648 <= #t~nondet137 && #t~nondet137 <= 2147483647;~__cil_tmp41~0 := #t~nondet137;havoc #t~nondet137;havoc ~__cil_tmp42~1;havoc ~__cil_tmp43~1;assume -2147483648 <= #t~nondet138 && #t~nondet138 <= 2147483647;~__cil_tmp44~1 := #t~nondet138;havoc #t~nondet138;assume -2147483648 <= #t~nondet139 && #t~nondet139 <= 2147483647;~__cil_tmp45~1 := #t~nondet139;havoc #t~nondet139;havoc ~__cil_tmp46~1;havoc ~__cil_tmp47~1;havoc ~__cil_tmp48~1;havoc ~__cil_tmp49~1;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~__cil_tmp50~0 := #t~nondet140;havoc #t~nondet140;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~__cil_tmp55~0 := #t~nondet141;havoc #t~nondet141;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;assume -2147483648 <= #t~nondet142 && #t~nondet142 <= 2147483647;~__cil_tmp60~0 := #t~nondet142;havoc #t~nondet142;havoc ~__cil_tmp61~0;havoc ~__cil_tmp62~0;havoc ~__cil_tmp63~0;havoc ~__cil_tmp64~0;assume -2147483648 <= #t~nondet143 && #t~nondet143 <= 2147483647;~__cil_tmp65~0 := #t~nondet143;havoc #t~nondet143;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~__cil_tmp66~0 := #t~nondet144;havoc #t~nondet144;havoc ~__cil_tmp67~0;havoc ~__cil_tmp68~0;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~__cil_tmp69~0 := #t~nondet145;havoc #t~nondet145;havoc ~__cil_tmp70~0;havoc ~__cil_tmp71~0;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~__cil_tmp72~0 := #t~nondet146;havoc #t~nondet146;havoc ~__cil_tmp73~0;havoc ~__cil_tmp74~0;assume -2147483648 <= #t~nondet147 && #t~nondet147 <= 2147483647;~__cil_tmp75~0 := #t~nondet147;havoc #t~nondet147;havoc ~__cil_tmp76~0;havoc ~__cil_tmp77~0;assume -2147483648 <= #t~nondet148 && #t~nondet148 <= 2147483647;~__cil_tmp78~0 := #t~nondet148;havoc #t~nondet148;havoc ~__cil_tmp79~0;havoc ~__cil_tmp80~0;assume -2147483648 <= #t~nondet149 && #t~nondet149 <= 2147483647;~__cil_tmp81~0 := #t~nondet149;havoc #t~nondet149;havoc ~__cil_tmp82~0;havoc ~__cil_tmp83~0;havoc ~__cil_tmp84~0;havoc ~__cil_tmp85~0;havoc ~__cil_tmp86~0;havoc ~__cil_tmp87~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~__cil_tmp88~0 := #t~nondet150;havoc #t~nondet150;havoc ~__cil_tmp89~0;havoc ~__cil_tmp90~0;havoc ~__cil_tmp91~0; {72391#true} is VALID [2018-11-23 12:38:35,237 INFO L273 TraceCheckUtils]: 22: Hoare triple {72391#true} assume !(0 != ~disketteExtension__HoldNewRequests~2); {72391#true} is VALID [2018-11-23 12:38:35,237 INFO L273 TraceCheckUtils]: 23: Hoare triple {72391#true} assume !(0 != ~disketteExtension__IsRemoved~1); {72391#true} is VALID [2018-11-23 12:38:35,237 INFO L273 TraceCheckUtils]: 24: Hoare triple {72391#true} assume 0 == ~disketteExtension__IsStarted~2; {72391#true} is VALID [2018-11-23 12:38:35,238 INFO L273 TraceCheckUtils]: 25: Hoare triple {72391#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {72391#true} is VALID [2018-11-23 12:38:35,238 INFO L273 TraceCheckUtils]: 26: Hoare triple {72391#true} #t~post152 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := 1 + #t~post152;havoc #t~post152;#t~post153 := ~Irp__Tail__Overlay__CurrentStackLocation~2;~Irp__Tail__Overlay__CurrentStackLocation~2 := 1 + #t~post153;havoc #t~post153; {72391#true} is VALID [2018-11-23 12:38:35,238 INFO L256 TraceCheckUtils]: 27: Hoare triple {72391#true} call #t~ret154 := IofCallDriver(~disketteExtension__TargetObject~2, ~Irp); {72391#true} is VALID [2018-11-23 12:38:35,238 INFO L273 TraceCheckUtils]: 28: Hoare triple {72391#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~returnVal2~0;havoc ~compRetStatus1~0;assume -2147483648 <= #t~nondet103 && #t~nondet103 <= 2147483647;~lcontext~0 := #t~nondet103;havoc #t~nondet103;havoc ~__cil_tmp7~0; {72391#true} is VALID [2018-11-23 12:38:35,238 INFO L273 TraceCheckUtils]: 29: Hoare triple {72391#true} assume !(0 != ~compRegistered~0); {72391#true} is VALID [2018-11-23 12:38:35,238 INFO L273 TraceCheckUtils]: 30: Hoare triple {72391#true} havoc ~tmp_ndt_10~0;assume -2147483648 <= #t~nondet105 && #t~nondet105 <= 2147483647;~tmp_ndt_10~0 := #t~nondet105;havoc #t~nondet105; {72391#true} is VALID [2018-11-23 12:38:35,238 INFO L273 TraceCheckUtils]: 31: Hoare triple {72391#true} assume 0 == ~tmp_ndt_10~0; {72391#true} is VALID [2018-11-23 12:38:35,238 INFO L273 TraceCheckUtils]: 32: Hoare triple {72391#true} ~returnVal2~0 := 0; {72391#true} is VALID [2018-11-23 12:38:35,239 INFO L273 TraceCheckUtils]: 33: Hoare triple {72391#true} assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := ~returnVal2~0; {72393#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:35,240 INFO L273 TraceCheckUtils]: 34: Hoare triple {72393#(= ~IPC~0 ~s~0)} #res := ~returnVal2~0; {72393#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:35,240 INFO L273 TraceCheckUtils]: 35: Hoare triple {72393#(= ~IPC~0 ~s~0)} assume true; {72393#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:35,243 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {72393#(= ~IPC~0 ~s~0)} {72391#true} #1133#return; {72393#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:35,243 INFO L273 TraceCheckUtils]: 37: Hoare triple {72393#(= ~IPC~0 ~s~0)} assume -2147483648 <= #t~ret154 && #t~ret154 <= 2147483647;~tmp~0 := #t~ret154;havoc #t~ret154;#res := ~tmp~0; {72393#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:35,245 INFO L273 TraceCheckUtils]: 38: Hoare triple {72393#(= ~IPC~0 ~s~0)} assume true; {72393#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:35,245 INFO L268 TraceCheckUtils]: 39: Hoare quadruple {72393#(= ~IPC~0 ~s~0)} {72391#true} #1071#return; {72393#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:35,247 INFO L273 TraceCheckUtils]: 40: Hoare triple {72393#(= ~IPC~0 ~s~0)} assume -2147483648 <= #t~ret95 && #t~ret95 <= 2147483647;~status~1 := #t~ret95;havoc #t~ret95; {72393#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:35,247 INFO L273 TraceCheckUtils]: 41: Hoare triple {72393#(= ~IPC~0 ~s~0)} assume !(1 == ~pended~0); {72393#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:35,249 INFO L273 TraceCheckUtils]: 42: Hoare triple {72393#(= ~IPC~0 ~s~0)} assume !(1 == ~pended~0); {72393#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:35,249 INFO L273 TraceCheckUtils]: 43: Hoare triple {72393#(= ~IPC~0 ~s~0)} assume ~s~0 != ~UNLOADED~0; {72393#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:35,251 INFO L273 TraceCheckUtils]: 44: Hoare triple {72393#(= ~IPC~0 ~s~0)} assume -1 != ~status~1; {72393#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:35,251 INFO L273 TraceCheckUtils]: 45: Hoare triple {72393#(= ~IPC~0 ~s~0)} assume ~s~0 != ~SKIP2~0; {72393#(= ~IPC~0 ~s~0)} is VALID [2018-11-23 12:38:35,253 INFO L273 TraceCheckUtils]: 46: Hoare triple {72393#(= ~IPC~0 ~s~0)} assume ~s~0 != ~IPC~0; {72392#false} is VALID [2018-11-23 12:38:35,253 INFO L273 TraceCheckUtils]: 47: Hoare triple {72392#false} assume ~s~0 != ~DC~0; {72392#false} is VALID [2018-11-23 12:38:35,253 INFO L256 TraceCheckUtils]: 48: Hoare triple {72392#false} call errorFn(); {72392#false} is VALID [2018-11-23 12:38:35,253 INFO L273 TraceCheckUtils]: 49: Hoare triple {72392#false} assume !false; {72392#false} is VALID [2018-11-23 12:38:35,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:38:35,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:38:35,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:38:35,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-11-23 12:38:35,255 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:38:35,255 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2018-11-23 12:38:35,308 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:38:35,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:38:35,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:38:35,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:38:35,309 INFO L87 Difference]: Start difference. First operand 894 states and 1181 transitions. Second operand 3 states. [2018-11-23 12:38:45,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:45,802 INFO L93 Difference]: Finished difference Result 1217 states and 1631 transitions. [2018-11-23 12:38:45,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:38:45,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2018-11-23 12:38:45,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:38:45,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:38:45,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 706 transitions. [2018-11-23 12:38:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 12:38:45,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 706 transitions. [2018-11-23 12:38:45,810 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 706 transitions. [2018-11-23 12:38:46,449 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 706 edges. 706 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:38:46,524 INFO L225 Difference]: With dead ends: 1217 [2018-11-23 12:38:46,524 INFO L226 Difference]: Without dead ends: 1205 [2018-11-23 12:38:46,525 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:38:46,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2018-11-23 12:38:52,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1015. [2018-11-23 12:38:52,458 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:38:52,458 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1205 states. Second operand 1015 states. [2018-11-23 12:38:52,458 INFO L74 IsIncluded]: Start isIncluded. First operand 1205 states. Second operand 1015 states. [2018-11-23 12:38:52,458 INFO L87 Difference]: Start difference. First operand 1205 states. Second operand 1015 states. [2018-11-23 12:38:52,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:52,511 INFO L93 Difference]: Finished difference Result 1205 states and 1616 transitions. [2018-11-23 12:38:52,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1616 transitions. [2018-11-23 12:38:52,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:52,514 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:52,514 INFO L74 IsIncluded]: Start isIncluded. First operand 1015 states. Second operand 1205 states. [2018-11-23 12:38:52,514 INFO L87 Difference]: Start difference. First operand 1015 states. Second operand 1205 states. [2018-11-23 12:38:52,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:52,562 INFO L93 Difference]: Finished difference Result 1205 states and 1616 transitions. [2018-11-23 12:38:52,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1616 transitions. [2018-11-23 12:38:52,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:38:52,564 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:38:52,564 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:38:52,564 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:38:52,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1015 states. [2018-11-23 12:38:52,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1344 transitions. [2018-11-23 12:38:52,610 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1344 transitions. Word has length 50 [2018-11-23 12:38:52,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:38:52,610 INFO L480 AbstractCegarLoop]: Abstraction has 1015 states and 1344 transitions. [2018-11-23 12:38:52,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:38:52,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1344 transitions. [2018-11-23 12:38:52,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:38:52,612 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:38:52,612 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:38:52,612 INFO L423 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:38:52,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:38:52,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1669726055, now seen corresponding path program 1 times [2018-11-23 12:38:52,613 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:38:52,613 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:38:52,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:52,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:38:52,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:38:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:38:52,849 INFO L256 TraceCheckUtils]: 0: Hoare triple {77845#true} call ULTIMATE.init(); {77845#true} is VALID [2018-11-23 12:38:52,849 INFO L273 TraceCheckUtils]: 1: Hoare triple {77845#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {77845#true} is VALID [2018-11-23 12:38:52,849 INFO L273 TraceCheckUtils]: 2: Hoare triple {77845#true} assume true; {77845#true} is VALID [2018-11-23 12:38:52,849 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {77845#true} {77845#true} #1155#return; {77845#true} is VALID [2018-11-23 12:38:52,849 INFO L256 TraceCheckUtils]: 4: Hoare triple {77845#true} call #t~ret166 := main(); {77845#true} is VALID [2018-11-23 12:38:52,850 INFO L273 TraceCheckUtils]: 5: Hoare triple {77845#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {77845#true} is VALID [2018-11-23 12:38:52,850 INFO L256 TraceCheckUtils]: 6: Hoare triple {77845#true} call _BLAST_init(); {77845#true} is VALID [2018-11-23 12:38:52,850 INFO L273 TraceCheckUtils]: 7: Hoare triple {77845#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {77845#true} is VALID [2018-11-23 12:38:52,850 INFO L273 TraceCheckUtils]: 8: Hoare triple {77845#true} assume true; {77845#true} is VALID [2018-11-23 12:38:52,850 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {77845#true} {77845#true} #1063#return; {77845#true} is VALID [2018-11-23 12:38:52,850 INFO L273 TraceCheckUtils]: 10: Hoare triple {77845#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {77845#true} is VALID [2018-11-23 12:38:52,851 INFO L273 TraceCheckUtils]: 11: Hoare triple {77845#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {77845#true} is VALID [2018-11-23 12:38:52,851 INFO L256 TraceCheckUtils]: 12: Hoare triple {77845#true} call stub_driver_init(); {77845#true} is VALID [2018-11-23 12:38:52,851 INFO L273 TraceCheckUtils]: 13: Hoare triple {77845#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {77845#true} is VALID [2018-11-23 12:38:52,851 INFO L273 TraceCheckUtils]: 14: Hoare triple {77845#true} assume true; {77845#true} is VALID [2018-11-23 12:38:52,851 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {77845#true} {77845#true} #1065#return; {77845#true} is VALID [2018-11-23 12:38:52,852 INFO L273 TraceCheckUtils]: 16: Hoare triple {77845#true} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {77845#true} is VALID [2018-11-23 12:38:52,852 INFO L273 TraceCheckUtils]: 17: Hoare triple {77845#true} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {77845#true} is VALID [2018-11-23 12:38:52,852 INFO L273 TraceCheckUtils]: 18: Hoare triple {77845#true} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {77845#true} is VALID [2018-11-23 12:38:52,852 INFO L273 TraceCheckUtils]: 19: Hoare triple {77845#true} assume !(2 == ~tmp_ndt_3~0);havoc ~tmp_ndt_4~0;assume -2147483648 <= #t~nondet92 && #t~nondet92 <= 2147483647;~tmp_ndt_4~0 := #t~nondet92;havoc #t~nondet92; {77845#true} is VALID [2018-11-23 12:38:52,852 INFO L273 TraceCheckUtils]: 20: Hoare triple {77845#true} assume 3 == ~tmp_ndt_4~0; {77845#true} is VALID [2018-11-23 12:38:52,853 INFO L256 TraceCheckUtils]: 21: Hoare triple {77845#true} call #t~ret96 := FloppyPnp(~devobj~0, ~pirp~0); {77845#true} is VALID [2018-11-23 12:38:52,853 INFO L273 TraceCheckUtils]: 22: Hoare triple {77845#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;~DeviceObject__DeviceExtension~0 := #t~nondet12;havoc #t~nondet12;assume -2147483648 <= #t~nondet13 && #t~nondet13 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~0 := #t~nondet13;havoc #t~nondet13;havoc ~Irp__IoStatus__Information~1;havoc ~Irp__IoStatus__Status~1;assume -2147483648 <= #t~nondet14 && #t~nondet14 <= 2147483647;~Irp__CurrentLocation~0 := #t~nondet14;havoc #t~nondet14;assume -2147483648 <= #t~nondet15 && #t~nondet15 <= 2147483647;~disketteExtension__IsRemoved~0 := #t~nondet15;havoc #t~nondet15;assume -2147483648 <= #t~nondet16 && #t~nondet16 <= 2147483647;~disketteExtension__IsStarted~0 := #t~nondet16;havoc #t~nondet16;assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~disketteExtension__TargetObject~0 := #t~nondet17;havoc #t~nondet17;havoc ~disketteExtension__HoldNewRequests~0;assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~disketteExtension__FloppyThread~0 := #t~nondet18;havoc #t~nondet18;assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~disketteExtension__InterfaceString__Buffer~0 := #t~nondet19;havoc #t~nondet19;assume -2147483648 <= #t~nondet20 && #t~nondet20 <= 2147483647;~disketteExtension__InterfaceString~0 := #t~nondet20;havoc #t~nondet20;assume -2147483648 <= #t~nondet21 && #t~nondet21 <= 2147483647;~disketteExtension__ArcName__Length~0 := #t~nondet21;havoc #t~nondet21;assume -2147483648 <= #t~nondet22 && #t~nondet22 <= 2147483647;~disketteExtension__ArcName~0 := #t~nondet22;havoc #t~nondet22;assume -2147483648 <= #t~nondet23 && #t~nondet23 <= 2147483647;~irpSp__MinorFunction~0 := #t~nondet23;havoc #t~nondet23;assume -2147483648 <= #t~nondet24 && #t~nondet24 <= 2147483647;~IoGetConfigurationInformation__FloppyCount~0 := #t~nondet24;havoc #t~nondet24;havoc ~irpSp~0;havoc ~disketteExtension~0;havoc ~ntStatus~0;assume -2147483648 <= #t~nondet25 && #t~nondet25 <= 2147483647;~doneEvent~0 := #t~nondet25;havoc #t~nondet25;havoc ~irpSp___0~0;havoc ~nextIrpSp~0;havoc ~nextIrpSp__Control~0;havoc ~irpSp___1~0;havoc ~irpSp__Context~0;havoc ~irpSp__Control~0;havoc ~__cil_tmp29~0;havoc ~__cil_tmp30~0;~ntStatus~0 := 0;#t~post26 := ~PagingReferenceCount~0;~PagingReferenceCount~0 := 1 + #t~post26;havoc #t~post26; {77845#true} is VALID [2018-11-23 12:38:52,853 INFO L273 TraceCheckUtils]: 23: Hoare triple {77845#true} assume 1 == ~PagingReferenceCount~0; {77845#true} is VALID [2018-11-23 12:38:52,853 INFO L273 TraceCheckUtils]: 24: Hoare triple {77845#true} ~disketteExtension~0 := ~DeviceObject__DeviceExtension~0;~irpSp~0 := ~Irp__Tail__Overlay__CurrentStackLocation~0; {77845#true} is VALID [2018-11-23 12:38:52,853 INFO L273 TraceCheckUtils]: 25: Hoare triple {77845#true} assume !(0 != ~disketteExtension__IsRemoved~0); {77845#true} is VALID [2018-11-23 12:38:52,853 INFO L273 TraceCheckUtils]: 26: Hoare triple {77845#true} assume 0 == ~irpSp__MinorFunction~0; {77845#true} is VALID [2018-11-23 12:38:52,854 INFO L256 TraceCheckUtils]: 27: Hoare triple {77845#true} call #t~ret27 := FloppyStartDevice(~DeviceObject, ~Irp); {77845#true} is VALID [2018-11-23 12:38:52,854 INFO L273 TraceCheckUtils]: 28: Hoare triple {77845#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647;~DeviceObject__DeviceExtension~1 := #t~nondet54;havoc #t~nondet54;assume -2147483648 <= #t~nondet55 && #t~nondet55 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~1 := #t~nondet55;havoc #t~nondet55;havoc ~Irp__IoStatus__Status~2;assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;~disketteExtension__TargetObject~1 := #t~nondet56;havoc #t~nondet56;havoc ~disketteExtension__MaxTransferSize~0;assume -2147483648 <= #t~nondet57 && #t~nondet57 <= 2147483647;~disketteExtension__DriveType~0 := #t~nondet57;havoc #t~nondet57;havoc ~disketteExtension__PerpendicularMode~0;havoc ~disketteExtension__DeviceUnit~0;havoc ~disketteExtension__DriveOnValue~0;assume -2147483648 <= #t~nondet58 && #t~nondet58 <= 2147483647;~disketteExtension__UnderlyingPDO~0 := #t~nondet58;havoc #t~nondet58;assume -2147483648 <= #t~nondet59 && #t~nondet59 <= 2147483647;~disketteExtension__InterfaceString~1 := #t~nondet59;havoc #t~nondet59;havoc ~disketteExtension__IsStarted~1;havoc ~disketteExtension__HoldNewRequests~1;havoc ~ntStatus~1;havoc ~pnpStatus~0;assume -2147483648 <= #t~nondet60 && #t~nondet60 <= 2147483647;~doneEvent~1 := #t~nondet60;havoc #t~nondet60;assume -2147483648 <= #t~nondet61 && #t~nondet61 <= 2147483647;~fdcInfo~0 := #t~nondet61;havoc #t~nondet61;havoc ~fdcInfo__BufferCount~0;havoc ~fdcInfo__BufferSize~0;assume -2147483648 <= #t~nondet62 && #t~nondet62 <= 2147483647;~fdcInfo__MaxTransferSize~0 := #t~nondet62;havoc #t~nondet62;assume -2147483648 <= #t~nondet63 && #t~nondet63 <= 2147483647;~fdcInfo__AcpiBios~0 := #t~nondet63;havoc #t~nondet63;assume -2147483648 <= #t~nondet64 && #t~nondet64 <= 2147483647;~fdcInfo__AcpiFdiSupported~0 := #t~nondet64;havoc #t~nondet64;assume -2147483648 <= #t~nondet65 && #t~nondet65 <= 2147483647;~fdcInfo__PeripheralNumber~0 := #t~nondet65;havoc #t~nondet65;havoc ~fdcInfo__BusType~0;assume -2147483648 <= #t~nondet66 && #t~nondet66 <= 2147483647;~fdcInfo__ControllerNumber~0 := #t~nondet66;havoc #t~nondet66;assume -2147483648 <= #t~nondet67 && #t~nondet67 <= 2147483647;~fdcInfo__UnitNumber~0 := #t~nondet67;havoc #t~nondet67;assume -2147483648 <= #t~nondet68 && #t~nondet68 <= 2147483647;~fdcInfo__BusNumber~0 := #t~nondet68;havoc #t~nondet68;havoc ~Dc~0;havoc ~Fp~0;havoc ~disketteExtension~1;havoc ~irpSp~1;havoc ~irpSp___0~1;havoc ~nextIrpSp~1;havoc ~nextIrpSp__Control~1;havoc ~irpSp___1~1;havoc ~irpSp__Control~1;havoc ~irpSp__Context~1;havoc ~InterfaceType~0;assume -2147483648 <= #t~nondet69 && #t~nondet69 <= 2147483647;~KUSER_SHARED_DATA__AlternativeArchitecture_NEC98x86~0 := #t~nondet69;havoc #t~nondet69;havoc ~__cil_tmp42~0;havoc ~__cil_tmp43~0;havoc ~__cil_tmp44~0;havoc ~__cil_tmp45~0;assume -2147483648 <= #t~nondet70 && #t~nondet70 <= 2147483647;~__cil_tmp46~0 := #t~nondet70;havoc #t~nondet70;havoc ~__cil_tmp47~0;havoc ~__cil_tmp48~0;havoc ~__cil_tmp49~0;~Dc~0 := ~DiskController~0;~Fp~0 := ~FloppyDiskPeripheral~0;~disketteExtension~1 := ~DeviceObject__DeviceExtension~1;~irpSp~1 := ~Irp__Tail__Overlay__CurrentStackLocation~1;~irpSp___0~1 := ~Irp__Tail__Overlay__CurrentStackLocation~1;~nextIrpSp~1 := ~Irp__Tail__Overlay__CurrentStackLocation~1 - 1;~nextIrpSp__Control~1 := 0; {77845#true} is VALID [2018-11-23 12:38:52,854 INFO L273 TraceCheckUtils]: 29: Hoare triple {77845#true} assume !(~s~0 != ~NP~0); {77845#true} is VALID [2018-11-23 12:38:52,864 INFO L273 TraceCheckUtils]: 30: Hoare triple {77845#true} assume !(0 != ~compRegistered~0);~compRegistered~0 := 1; {77847#(<= 1 ~compRegistered~0)} is VALID [2018-11-23 12:38:52,878 INFO L273 TraceCheckUtils]: 31: Hoare triple {77847#(<= 1 ~compRegistered~0)} ~irpSp___1~1 := ~Irp__Tail__Overlay__CurrentStackLocation~1 - 1;~irpSp__Context~1 := ~doneEvent~1;~irpSp__Control~1 := 224; {77847#(<= 1 ~compRegistered~0)} is VALID [2018-11-23 12:38:52,878 INFO L256 TraceCheckUtils]: 32: Hoare triple {77847#(<= 1 ~compRegistered~0)} call #t~ret71 := IofCallDriver(~disketteExtension__TargetObject~1, ~Irp); {77845#true} is VALID [2018-11-23 12:38:52,878 INFO L273 TraceCheckUtils]: 33: Hoare triple {77845#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~returnVal2~0;havoc ~compRetStatus1~0;assume -2147483648 <= #t~nondet103 && #t~nondet103 <= 2147483647;~lcontext~0 := #t~nondet103;havoc #t~nondet103;havoc ~__cil_tmp7~0; {77845#true} is VALID [2018-11-23 12:38:52,886 INFO L273 TraceCheckUtils]: 34: Hoare triple {77845#true} assume !(0 != ~compRegistered~0); {77848#(<= ~compRegistered~0 0)} is VALID [2018-11-23 12:38:52,886 INFO L273 TraceCheckUtils]: 35: Hoare triple {77848#(<= ~compRegistered~0 0)} havoc ~tmp_ndt_10~0;assume -2147483648 <= #t~nondet105 && #t~nondet105 <= 2147483647;~tmp_ndt_10~0 := #t~nondet105;havoc #t~nondet105; {77848#(<= ~compRegistered~0 0)} is VALID [2018-11-23 12:38:52,888 INFO L273 TraceCheckUtils]: 36: Hoare triple {77848#(<= ~compRegistered~0 0)} assume 0 == ~tmp_ndt_10~0; {77848#(<= ~compRegistered~0 0)} is VALID [2018-11-23 12:38:52,888 INFO L273 TraceCheckUtils]: 37: Hoare triple {77848#(<= ~compRegistered~0 0)} ~returnVal2~0 := 0; {77848#(<= ~compRegistered~0 0)} is VALID [2018-11-23 12:38:52,890 INFO L273 TraceCheckUtils]: 38: Hoare triple {77848#(<= ~compRegistered~0 0)} assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := ~returnVal2~0; {77848#(<= ~compRegistered~0 0)} is VALID [2018-11-23 12:38:52,890 INFO L273 TraceCheckUtils]: 39: Hoare triple {77848#(<= ~compRegistered~0 0)} #res := ~returnVal2~0; {77848#(<= ~compRegistered~0 0)} is VALID [2018-11-23 12:38:52,892 INFO L273 TraceCheckUtils]: 40: Hoare triple {77848#(<= ~compRegistered~0 0)} assume true; {77848#(<= ~compRegistered~0 0)} is VALID [2018-11-23 12:38:52,892 INFO L268 TraceCheckUtils]: 41: Hoare quadruple {77848#(<= ~compRegistered~0 0)} {77847#(<= 1 ~compRegistered~0)} #1097#return; {77846#false} is VALID [2018-11-23 12:38:52,893 INFO L273 TraceCheckUtils]: 42: Hoare triple {77846#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~ntStatus~1 := #t~ret71;havoc #t~ret71;~__cil_tmp42~0 := ~ntStatus~1; {77846#false} is VALID [2018-11-23 12:38:52,893 INFO L273 TraceCheckUtils]: 43: Hoare triple {77846#false} assume 259 == ~__cil_tmp42~0; {77846#false} is VALID [2018-11-23 12:38:52,893 INFO L256 TraceCheckUtils]: 44: Hoare triple {77846#false} call #t~ret72 := KeWaitForSingleObject(~doneEvent~1, ~Executive~0, ~KernelMode~0, 0, 0); {77846#false} is VALID [2018-11-23 12:38:52,893 INFO L273 TraceCheckUtils]: 45: Hoare triple {77846#false} ~Object := #in~Object;~WaitReason := #in~WaitReason;~WaitMode := #in~WaitMode;~Alertable := #in~Alertable;~Timeout := #in~Timeout; {77846#false} is VALID [2018-11-23 12:38:52,893 INFO L273 TraceCheckUtils]: 46: Hoare triple {77846#false} assume ~s~0 == ~MPR3~0; {77846#false} is VALID [2018-11-23 12:38:52,893 INFO L273 TraceCheckUtils]: 47: Hoare triple {77846#false} assume !(1 == ~setEventCalled~0); {77846#false} is VALID [2018-11-23 12:38:52,893 INFO L273 TraceCheckUtils]: 48: Hoare triple {77846#false} assume !(1 == ~customIrp~0); {77846#false} is VALID [2018-11-23 12:38:52,894 INFO L273 TraceCheckUtils]: 49: Hoare triple {77846#false} assume ~s~0 == ~MPR3~0; {77846#false} is VALID [2018-11-23 12:38:52,894 INFO L256 TraceCheckUtils]: 50: Hoare triple {77846#false} call errorFn(); {77846#false} is VALID [2018-11-23 12:38:52,894 INFO L273 TraceCheckUtils]: 51: Hoare triple {77846#false} assume !false; {77846#false} is VALID [2018-11-23 12:38:52,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:38:52,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:38:52,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 12:38:52,897 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2018-11-23 12:38:52,897 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:38:52,897 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 12:38:52,945 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:38:52,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 12:38:52,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 12:38:52,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:38:52,946 INFO L87 Difference]: Start difference. First operand 1015 states and 1344 transitions. Second operand 4 states. [2018-11-23 12:38:58,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:38:58,362 INFO L93 Difference]: Finished difference Result 1108 states and 1435 transitions. [2018-11-23 12:38:58,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 12:38:58,362 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2018-11-23 12:38:58,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:38:58,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 12:38:58,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 688 transitions. [2018-11-23 12:38:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 12:38:58,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 688 transitions. [2018-11-23 12:38:58,370 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 688 transitions. [2018-11-23 12:38:59,041 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 688 edges. 688 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:38:59,068 INFO L225 Difference]: With dead ends: 1108 [2018-11-23 12:38:59,068 INFO L226 Difference]: Without dead ends: 708 [2018-11-23 12:38:59,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:38:59,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2018-11-23 12:39:04,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 671. [2018-11-23 12:39:04,885 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:39:04,885 INFO L82 GeneralOperation]: Start isEquivalent. First operand 708 states. Second operand 671 states. [2018-11-23 12:39:04,885 INFO L74 IsIncluded]: Start isIncluded. First operand 708 states. Second operand 671 states. [2018-11-23 12:39:04,885 INFO L87 Difference]: Start difference. First operand 708 states. Second operand 671 states. [2018-11-23 12:39:04,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:04,906 INFO L93 Difference]: Finished difference Result 708 states and 899 transitions. [2018-11-23 12:39:04,906 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 899 transitions. [2018-11-23 12:39:04,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:04,908 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:39:04,908 INFO L74 IsIncluded]: Start isIncluded. First operand 671 states. Second operand 708 states. [2018-11-23 12:39:04,908 INFO L87 Difference]: Start difference. First operand 671 states. Second operand 708 states. [2018-11-23 12:39:04,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:04,934 INFO L93 Difference]: Finished difference Result 708 states and 899 transitions. [2018-11-23 12:39:04,935 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 899 transitions. [2018-11-23 12:39:04,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:04,936 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:39:04,936 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:39:04,936 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:39:04,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2018-11-23 12:39:04,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 852 transitions. [2018-11-23 12:39:04,959 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 852 transitions. Word has length 52 [2018-11-23 12:39:04,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:04,959 INFO L480 AbstractCegarLoop]: Abstraction has 671 states and 852 transitions. [2018-11-23 12:39:04,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 12:39:04,959 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 852 transitions. [2018-11-23 12:39:04,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 12:39:04,960 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:04,960 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:39:04,960 INFO L423 AbstractCegarLoop]: === Iteration 21 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:04,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:04,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1003846169, now seen corresponding path program 1 times [2018-11-23 12:39:04,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:04,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:04,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:04,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:04,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:05,120 INFO L256 TraceCheckUtils]: 0: Hoare triple {81669#true} call ULTIMATE.init(); {81669#true} is VALID [2018-11-23 12:39:05,120 INFO L273 TraceCheckUtils]: 1: Hoare triple {81669#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {81669#true} is VALID [2018-11-23 12:39:05,121 INFO L273 TraceCheckUtils]: 2: Hoare triple {81669#true} assume true; {81669#true} is VALID [2018-11-23 12:39:05,121 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {81669#true} {81669#true} #1155#return; {81669#true} is VALID [2018-11-23 12:39:05,121 INFO L256 TraceCheckUtils]: 4: Hoare triple {81669#true} call #t~ret166 := main(); {81669#true} is VALID [2018-11-23 12:39:05,121 INFO L273 TraceCheckUtils]: 5: Hoare triple {81669#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {81669#true} is VALID [2018-11-23 12:39:05,121 INFO L256 TraceCheckUtils]: 6: Hoare triple {81669#true} call _BLAST_init(); {81669#true} is VALID [2018-11-23 12:39:05,121 INFO L273 TraceCheckUtils]: 7: Hoare triple {81669#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {81669#true} is VALID [2018-11-23 12:39:05,121 INFO L273 TraceCheckUtils]: 8: Hoare triple {81669#true} assume true; {81669#true} is VALID [2018-11-23 12:39:05,122 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {81669#true} {81669#true} #1063#return; {81669#true} is VALID [2018-11-23 12:39:05,122 INFO L273 TraceCheckUtils]: 10: Hoare triple {81669#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {81669#true} is VALID [2018-11-23 12:39:05,122 INFO L273 TraceCheckUtils]: 11: Hoare triple {81669#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {81669#true} is VALID [2018-11-23 12:39:05,122 INFO L256 TraceCheckUtils]: 12: Hoare triple {81669#true} call stub_driver_init(); {81669#true} is VALID [2018-11-23 12:39:05,122 INFO L273 TraceCheckUtils]: 13: Hoare triple {81669#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {81669#true} is VALID [2018-11-23 12:39:05,122 INFO L273 TraceCheckUtils]: 14: Hoare triple {81669#true} assume true; {81669#true} is VALID [2018-11-23 12:39:05,123 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {81669#true} {81669#true} #1065#return; {81669#true} is VALID [2018-11-23 12:39:05,123 INFO L273 TraceCheckUtils]: 16: Hoare triple {81669#true} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {81669#true} is VALID [2018-11-23 12:39:05,123 INFO L273 TraceCheckUtils]: 17: Hoare triple {81669#true} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {81669#true} is VALID [2018-11-23 12:39:05,123 INFO L273 TraceCheckUtils]: 18: Hoare triple {81669#true} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {81669#true} is VALID [2018-11-23 12:39:05,123 INFO L273 TraceCheckUtils]: 19: Hoare triple {81669#true} assume 2 == ~tmp_ndt_3~0; {81669#true} is VALID [2018-11-23 12:39:05,123 INFO L256 TraceCheckUtils]: 20: Hoare triple {81669#true} call #t~ret95 := FloppyDeviceControl(~devobj~0, ~pirp~0); {81669#true} is VALID [2018-11-23 12:39:05,123 INFO L273 TraceCheckUtils]: 21: Hoare triple {81669#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet112 && #t~nondet112 <= 2147483647;~disketteExtension__HoldNewRequests~2 := #t~nondet112;havoc #t~nondet112;assume -2147483648 <= #t~nondet113 && #t~nondet113 <= 2147483647;~disketteExtension__IsRemoved~1 := #t~nondet113;havoc #t~nondet113;havoc ~Irp__IoStatus__Information~3;assume -2147483648 <= #t~nondet114 && #t~nondet114 <= 2147483647;~disketteExtension__IsStarted~2 := #t~nondet114;havoc #t~nondet114;assume -2147483648 <= #t~nondet115 && #t~nondet115 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet115;havoc #t~nondet115;assume -2147483648 <= #t~nondet116 && #t~nondet116 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~2 := #t~nondet116;havoc #t~nondet116;assume -2147483648 <= #t~nondet117 && #t~nondet117 <= 2147483647;~disketteExtension__TargetObject~2 := #t~nondet117;havoc #t~nondet117;assume -2147483648 <= #t~nondet118 && #t~nondet118 <= 2147483647;~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 := #t~nondet118;havoc #t~nondet118;assume -2147483648 <= #t~nondet119 && #t~nondet119 <= 2147483647;~sizeof__MOUNTDEV_NAME~0 := #t~nondet119;havoc #t~nondet119;assume -2147483648 <= #t~nondet120 && #t~nondet120 <= 2147483647;~Irp__AssociatedIrp__SystemBuffer~0 := #t~nondet120;havoc #t~nondet120;havoc ~mountName__NameLength~0;assume -2147483648 <= #t~nondet121 && #t~nondet121 <= 2147483647;~disketteExtension__DeviceName__Length~0 := #t~nondet121;havoc #t~nondet121;assume -2147483648 <= #t~nondet122 && #t~nondet122 <= 2147483647;~sizeof__USHORT~0 := #t~nondet122;havoc #t~nondet122;assume -2147483648 <= #t~nondet123 && #t~nondet123 <= 2147483647;~disketteExtension__InterfaceString__Buffer~1 := #t~nondet123;havoc #t~nondet123;havoc ~uniqueId__UniqueIdLength~0;assume -2147483648 <= #t~nondet124 && #t~nondet124 <= 2147483647;~disketteExtension__InterfaceString__Length~0 := #t~nondet124;havoc #t~nondet124;assume -2147483648 <= #t~nondet125 && #t~nondet125 <= 2147483647;~sizeof__MOUNTDEV_UNIQUE_ID~0 := #t~nondet125;havoc #t~nondet125;assume -2147483648 <= #t~nondet126 && #t~nondet126 <= 2147483647;~irpSp__Parameters__DeviceIoControl__InputBufferLength~0 := #t~nondet126;havoc #t~nondet126;assume -2147483648 <= #t~nondet127 && #t~nondet127 <= 2147483647;~sizeof__FORMAT_PARAMETERS~0 := #t~nondet127;havoc #t~nondet127;assume -2147483648 <= #t~nondet128 && #t~nondet128 <= 2147483647;~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 := #t~nondet128;havoc #t~nondet128;assume -2147483648 <= #t~nondet129 && #t~nondet129 <= 2147483647;~sizeof__FORMAT_EX_PARAMETERS~0 := #t~nondet129;havoc #t~nondet129;assume -2147483648 <= #t~nondet130 && #t~nondet130 <= 2147483647;~formatExParameters__FormatGapLength~0 := #t~nondet130;havoc #t~nondet130;assume -2147483648 <= #t~nondet131 && #t~nondet131 <= 2147483647;~formatExParameters__SectorsPerTrack~0 := #t~nondet131;havoc #t~nondet131;assume -2147483648 <= #t~nondet132 && #t~nondet132 <= 2147483647;~sizeof__DISK_GEOMETRY~0 := #t~nondet132;havoc #t~nondet132;havoc ~Irp__IoStatus__Status___0~0;assume -2147483648 <= #t~nondet133 && #t~nondet133 <= 2147483647;~disketteExtension~2 := #t~nondet133;havoc #t~nondet133;havoc ~ntStatus~3;havoc ~outputBufferLength~0;assume -2147483648 <= #t~nondet134 && #t~nondet134 <= 2147483647;~lowestDriveMediaType~0 := #t~nondet134;havoc #t~nondet134;assume -2147483648 <= #t~nondet135 && #t~nondet135 <= 2147483647;~highestDriveMediaType~0 := #t~nondet135;havoc #t~nondet135;assume -2147483648 <= #t~nondet136 && #t~nondet136 <= 2147483647;~formatExParametersSize~0 := #t~nondet136;havoc #t~nondet136;havoc ~formatExParameters~0;havoc ~tmp~0;havoc ~mountName~0;havoc ~uniqueId~0;havoc ~tmp___0~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;assume -2147483648 <= #t~nondet137 && #t~nondet137 <= 2147483647;~__cil_tmp41~0 := #t~nondet137;havoc #t~nondet137;havoc ~__cil_tmp42~1;havoc ~__cil_tmp43~1;assume -2147483648 <= #t~nondet138 && #t~nondet138 <= 2147483647;~__cil_tmp44~1 := #t~nondet138;havoc #t~nondet138;assume -2147483648 <= #t~nondet139 && #t~nondet139 <= 2147483647;~__cil_tmp45~1 := #t~nondet139;havoc #t~nondet139;havoc ~__cil_tmp46~1;havoc ~__cil_tmp47~1;havoc ~__cil_tmp48~1;havoc ~__cil_tmp49~1;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~__cil_tmp50~0 := #t~nondet140;havoc #t~nondet140;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~__cil_tmp55~0 := #t~nondet141;havoc #t~nondet141;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;assume -2147483648 <= #t~nondet142 && #t~nondet142 <= 2147483647;~__cil_tmp60~0 := #t~nondet142;havoc #t~nondet142;havoc ~__cil_tmp61~0;havoc ~__cil_tmp62~0;havoc ~__cil_tmp63~0;havoc ~__cil_tmp64~0;assume -2147483648 <= #t~nondet143 && #t~nondet143 <= 2147483647;~__cil_tmp65~0 := #t~nondet143;havoc #t~nondet143;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~__cil_tmp66~0 := #t~nondet144;havoc #t~nondet144;havoc ~__cil_tmp67~0;havoc ~__cil_tmp68~0;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~__cil_tmp69~0 := #t~nondet145;havoc #t~nondet145;havoc ~__cil_tmp70~0;havoc ~__cil_tmp71~0;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~__cil_tmp72~0 := #t~nondet146;havoc #t~nondet146;havoc ~__cil_tmp73~0;havoc ~__cil_tmp74~0;assume -2147483648 <= #t~nondet147 && #t~nondet147 <= 2147483647;~__cil_tmp75~0 := #t~nondet147;havoc #t~nondet147;havoc ~__cil_tmp76~0;havoc ~__cil_tmp77~0;assume -2147483648 <= #t~nondet148 && #t~nondet148 <= 2147483647;~__cil_tmp78~0 := #t~nondet148;havoc #t~nondet148;havoc ~__cil_tmp79~0;havoc ~__cil_tmp80~0;assume -2147483648 <= #t~nondet149 && #t~nondet149 <= 2147483647;~__cil_tmp81~0 := #t~nondet149;havoc #t~nondet149;havoc ~__cil_tmp82~0;havoc ~__cil_tmp83~0;havoc ~__cil_tmp84~0;havoc ~__cil_tmp85~0;havoc ~__cil_tmp86~0;havoc ~__cil_tmp87~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~__cil_tmp88~0 := #t~nondet150;havoc #t~nondet150;havoc ~__cil_tmp89~0;havoc ~__cil_tmp90~0;havoc ~__cil_tmp91~0; {81669#true} is VALID [2018-11-23 12:39:05,124 INFO L273 TraceCheckUtils]: 22: Hoare triple {81669#true} assume !(0 != ~disketteExtension__HoldNewRequests~2); {81669#true} is VALID [2018-11-23 12:39:05,124 INFO L273 TraceCheckUtils]: 23: Hoare triple {81669#true} assume !(0 != ~disketteExtension__IsRemoved~1); {81669#true} is VALID [2018-11-23 12:39:05,124 INFO L273 TraceCheckUtils]: 24: Hoare triple {81669#true} assume !(0 == ~disketteExtension__IsStarted~2); {81669#true} is VALID [2018-11-23 12:39:05,124 INFO L273 TraceCheckUtils]: 25: Hoare triple {81669#true} assume ~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 == ~__cil_tmp44~1; {81669#true} is VALID [2018-11-23 12:39:05,124 INFO L273 TraceCheckUtils]: 26: Hoare triple {81669#true} assume !(~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 < ~sizeof__MOUNTDEV_NAME~0);~mountName~0 := ~Irp__AssociatedIrp__SystemBuffer~0;~mountName__NameLength~0 := ~disketteExtension__DeviceName__Length~0;~__cil_tmp82~0 := ~sizeof__USHORT~0 + ~mountName__NameLength~0; {81669#true} is VALID [2018-11-23 12:39:05,125 INFO L273 TraceCheckUtils]: 27: Hoare triple {81669#true} assume !(~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 < ~__cil_tmp82~0);~ntStatus~3 := 0;~Irp__IoStatus__Information~3 := ~sizeof__USHORT~0 + ~mountName__NameLength~0; {81669#true} is VALID [2018-11-23 12:39:05,125 INFO L273 TraceCheckUtils]: 28: Hoare triple {81669#true} ~__cil_tmp91~0 := ~ntStatus~3; {81671#(= FloppyDeviceControl_~__cil_tmp91~0 FloppyDeviceControl_~ntStatus~3)} is VALID [2018-11-23 12:39:05,125 INFO L273 TraceCheckUtils]: 29: Hoare triple {81671#(= FloppyDeviceControl_~__cil_tmp91~0 FloppyDeviceControl_~ntStatus~3)} assume 259 != ~__cil_tmp91~0;~Irp__IoStatus__Status___0~0 := ~ntStatus~3;~myStatus~0 := ~ntStatus~3; {81672#(not (= 259 FloppyDeviceControl_~ntStatus~3))} is VALID [2018-11-23 12:39:05,126 INFO L256 TraceCheckUtils]: 30: Hoare triple {81672#(not (= 259 FloppyDeviceControl_~ntStatus~3))} call IofCompleteRequest(~Irp, 0); {81669#true} is VALID [2018-11-23 12:39:05,126 INFO L273 TraceCheckUtils]: 31: Hoare triple {81669#true} ~Irp := #in~Irp;~PriorityBoost := #in~PriorityBoost; {81669#true} is VALID [2018-11-23 12:39:05,126 INFO L273 TraceCheckUtils]: 32: Hoare triple {81669#true} assume ~s~0 == ~NP~0;~s~0 := ~DC~0; {81669#true} is VALID [2018-11-23 12:39:05,126 INFO L273 TraceCheckUtils]: 33: Hoare triple {81669#true} assume true; {81669#true} is VALID [2018-11-23 12:39:05,126 INFO L268 TraceCheckUtils]: 34: Hoare quadruple {81669#true} {81672#(not (= 259 FloppyDeviceControl_~ntStatus~3))} #1143#return; {81672#(not (= 259 FloppyDeviceControl_~ntStatus~3))} is VALID [2018-11-23 12:39:05,127 INFO L273 TraceCheckUtils]: 35: Hoare triple {81672#(not (= 259 FloppyDeviceControl_~ntStatus~3))} #res := ~ntStatus~3; {81673#(not (= 259 |FloppyDeviceControl_#res|))} is VALID [2018-11-23 12:39:05,127 INFO L273 TraceCheckUtils]: 36: Hoare triple {81673#(not (= 259 |FloppyDeviceControl_#res|))} assume true; {81673#(not (= 259 |FloppyDeviceControl_#res|))} is VALID [2018-11-23 12:39:05,128 INFO L268 TraceCheckUtils]: 37: Hoare quadruple {81673#(not (= 259 |FloppyDeviceControl_#res|))} {81669#true} #1071#return; {81674#(not (= 259 |main_#t~ret95|))} is VALID [2018-11-23 12:39:05,128 INFO L273 TraceCheckUtils]: 38: Hoare triple {81674#(not (= 259 |main_#t~ret95|))} assume -2147483648 <= #t~ret95 && #t~ret95 <= 2147483647;~status~1 := #t~ret95;havoc #t~ret95; {81675#(not (= 259 main_~status~1))} is VALID [2018-11-23 12:39:05,129 INFO L273 TraceCheckUtils]: 39: Hoare triple {81675#(not (= 259 main_~status~1))} assume !(1 == ~pended~0); {81675#(not (= 259 main_~status~1))} is VALID [2018-11-23 12:39:05,130 INFO L273 TraceCheckUtils]: 40: Hoare triple {81675#(not (= 259 main_~status~1))} assume !(1 == ~pended~0); {81675#(not (= 259 main_~status~1))} is VALID [2018-11-23 12:39:05,130 INFO L273 TraceCheckUtils]: 41: Hoare triple {81675#(not (= 259 main_~status~1))} assume ~s~0 != ~UNLOADED~0; {81675#(not (= 259 main_~status~1))} is VALID [2018-11-23 12:39:05,131 INFO L273 TraceCheckUtils]: 42: Hoare triple {81675#(not (= 259 main_~status~1))} assume -1 != ~status~1; {81675#(not (= 259 main_~status~1))} is VALID [2018-11-23 12:39:05,131 INFO L273 TraceCheckUtils]: 43: Hoare triple {81675#(not (= 259 main_~status~1))} assume ~s~0 != ~SKIP2~0; {81675#(not (= 259 main_~status~1))} is VALID [2018-11-23 12:39:05,132 INFO L273 TraceCheckUtils]: 44: Hoare triple {81675#(not (= 259 main_~status~1))} assume ~s~0 != ~IPC~0; {81675#(not (= 259 main_~status~1))} is VALID [2018-11-23 12:39:05,132 INFO L273 TraceCheckUtils]: 45: Hoare triple {81675#(not (= 259 main_~status~1))} assume !(~s~0 != ~DC~0); {81675#(not (= 259 main_~status~1))} is VALID [2018-11-23 12:39:05,133 INFO L273 TraceCheckUtils]: 46: Hoare triple {81675#(not (= 259 main_~status~1))} assume !(1 == ~pended~0); {81675#(not (= 259 main_~status~1))} is VALID [2018-11-23 12:39:05,133 INFO L273 TraceCheckUtils]: 47: Hoare triple {81675#(not (= 259 main_~status~1))} assume ~s~0 == ~DC~0; {81675#(not (= 259 main_~status~1))} is VALID [2018-11-23 12:39:05,134 INFO L273 TraceCheckUtils]: 48: Hoare triple {81675#(not (= 259 main_~status~1))} assume 259 == ~status~1; {81670#false} is VALID [2018-11-23 12:39:05,134 INFO L256 TraceCheckUtils]: 49: Hoare triple {81670#false} call errorFn(); {81670#false} is VALID [2018-11-23 12:39:05,135 INFO L273 TraceCheckUtils]: 50: Hoare triple {81670#false} assume !false; {81670#false} is VALID [2018-11-23 12:39:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:05,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:39:05,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:39:05,138 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 12:39:05,138 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:39:05,139 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-11-23 12:39:05,192 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:39:05,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:39:05,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:39:05,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:39:05,194 INFO L87 Difference]: Start difference. First operand 671 states and 852 transitions. Second operand 7 states. [2018-11-23 12:39:10,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:10,171 INFO L93 Difference]: Finished difference Result 721 states and 906 transitions. [2018-11-23 12:39:10,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:39:10,171 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 12:39:10,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:10,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 12:39:10,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 510 transitions. [2018-11-23 12:39:10,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 12:39:10,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 510 transitions. [2018-11-23 12:39:10,178 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 510 transitions. [2018-11-23 12:39:10,626 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 510 edges. 510 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:39:10,653 INFO L225 Difference]: With dead ends: 721 [2018-11-23 12:39:10,653 INFO L226 Difference]: Without dead ends: 672 [2018-11-23 12:39:10,653 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:39:10,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2018-11-23 12:39:14,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 659. [2018-11-23 12:39:14,485 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:39:14,485 INFO L82 GeneralOperation]: Start isEquivalent. First operand 672 states. Second operand 659 states. [2018-11-23 12:39:14,485 INFO L74 IsIncluded]: Start isIncluded. First operand 672 states. Second operand 659 states. [2018-11-23 12:39:14,485 INFO L87 Difference]: Start difference. First operand 672 states. Second operand 659 states. [2018-11-23 12:39:14,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:14,506 INFO L93 Difference]: Finished difference Result 672 states and 846 transitions. [2018-11-23 12:39:14,506 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 846 transitions. [2018-11-23 12:39:14,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:14,507 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:39:14,507 INFO L74 IsIncluded]: Start isIncluded. First operand 659 states. Second operand 672 states. [2018-11-23 12:39:14,507 INFO L87 Difference]: Start difference. First operand 659 states. Second operand 672 states. [2018-11-23 12:39:14,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:14,523 INFO L93 Difference]: Finished difference Result 672 states and 846 transitions. [2018-11-23 12:39:14,523 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 846 transitions. [2018-11-23 12:39:14,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:14,524 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:39:14,524 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:39:14,524 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:39:14,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2018-11-23 12:39:14,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 833 transitions. [2018-11-23 12:39:14,544 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 833 transitions. Word has length 51 [2018-11-23 12:39:14,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:14,544 INFO L480 AbstractCegarLoop]: Abstraction has 659 states and 833 transitions. [2018-11-23 12:39:14,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:39:14,544 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 833 transitions. [2018-11-23 12:39:14,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 12:39:14,545 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:14,545 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:39:14,545 INFO L423 AbstractCegarLoop]: === Iteration 22 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:14,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:14,545 INFO L82 PathProgramCache]: Analyzing trace with hash 2131361818, now seen corresponding path program 1 times [2018-11-23 12:39:14,545 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:14,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:14,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:14,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:14,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:15,348 INFO L256 TraceCheckUtils]: 0: Hoare triple {84879#true} call ULTIMATE.init(); {84879#true} is VALID [2018-11-23 12:39:15,348 INFO L273 TraceCheckUtils]: 1: Hoare triple {84879#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {84879#true} is VALID [2018-11-23 12:39:15,348 INFO L273 TraceCheckUtils]: 2: Hoare triple {84879#true} assume true; {84879#true} is VALID [2018-11-23 12:39:15,349 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {84879#true} {84879#true} #1155#return; {84879#true} is VALID [2018-11-23 12:39:15,349 INFO L256 TraceCheckUtils]: 4: Hoare triple {84879#true} call #t~ret166 := main(); {84879#true} is VALID [2018-11-23 12:39:15,349 INFO L273 TraceCheckUtils]: 5: Hoare triple {84879#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {84879#true} is VALID [2018-11-23 12:39:15,349 INFO L256 TraceCheckUtils]: 6: Hoare triple {84879#true} call _BLAST_init(); {84879#true} is VALID [2018-11-23 12:39:15,349 INFO L273 TraceCheckUtils]: 7: Hoare triple {84879#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {84879#true} is VALID [2018-11-23 12:39:15,350 INFO L273 TraceCheckUtils]: 8: Hoare triple {84879#true} assume true; {84879#true} is VALID [2018-11-23 12:39:15,350 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {84879#true} {84879#true} #1063#return; {84879#true} is VALID [2018-11-23 12:39:15,350 INFO L273 TraceCheckUtils]: 10: Hoare triple {84879#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {84879#true} is VALID [2018-11-23 12:39:15,350 INFO L273 TraceCheckUtils]: 11: Hoare triple {84879#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {84879#true} is VALID [2018-11-23 12:39:15,350 INFO L256 TraceCheckUtils]: 12: Hoare triple {84879#true} call stub_driver_init(); {84879#true} is VALID [2018-11-23 12:39:15,351 INFO L273 TraceCheckUtils]: 13: Hoare triple {84879#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {84879#true} is VALID [2018-11-23 12:39:15,351 INFO L273 TraceCheckUtils]: 14: Hoare triple {84879#true} assume true; {84879#true} is VALID [2018-11-23 12:39:15,351 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {84879#true} {84879#true} #1065#return; {84879#true} is VALID [2018-11-23 12:39:15,351 INFO L273 TraceCheckUtils]: 16: Hoare triple {84879#true} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {84879#true} is VALID [2018-11-23 12:39:15,351 INFO L273 TraceCheckUtils]: 17: Hoare triple {84879#true} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {84879#true} is VALID [2018-11-23 12:39:15,352 INFO L273 TraceCheckUtils]: 18: Hoare triple {84879#true} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {84879#true} is VALID [2018-11-23 12:39:15,352 INFO L273 TraceCheckUtils]: 19: Hoare triple {84879#true} assume 2 == ~tmp_ndt_3~0; {84879#true} is VALID [2018-11-23 12:39:15,352 INFO L256 TraceCheckUtils]: 20: Hoare triple {84879#true} call #t~ret95 := FloppyDeviceControl(~devobj~0, ~pirp~0); {84879#true} is VALID [2018-11-23 12:39:15,352 INFO L273 TraceCheckUtils]: 21: Hoare triple {84879#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet112 && #t~nondet112 <= 2147483647;~disketteExtension__HoldNewRequests~2 := #t~nondet112;havoc #t~nondet112;assume -2147483648 <= #t~nondet113 && #t~nondet113 <= 2147483647;~disketteExtension__IsRemoved~1 := #t~nondet113;havoc #t~nondet113;havoc ~Irp__IoStatus__Information~3;assume -2147483648 <= #t~nondet114 && #t~nondet114 <= 2147483647;~disketteExtension__IsStarted~2 := #t~nondet114;havoc #t~nondet114;assume -2147483648 <= #t~nondet115 && #t~nondet115 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet115;havoc #t~nondet115;assume -2147483648 <= #t~nondet116 && #t~nondet116 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~2 := #t~nondet116;havoc #t~nondet116;assume -2147483648 <= #t~nondet117 && #t~nondet117 <= 2147483647;~disketteExtension__TargetObject~2 := #t~nondet117;havoc #t~nondet117;assume -2147483648 <= #t~nondet118 && #t~nondet118 <= 2147483647;~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 := #t~nondet118;havoc #t~nondet118;assume -2147483648 <= #t~nondet119 && #t~nondet119 <= 2147483647;~sizeof__MOUNTDEV_NAME~0 := #t~nondet119;havoc #t~nondet119;assume -2147483648 <= #t~nondet120 && #t~nondet120 <= 2147483647;~Irp__AssociatedIrp__SystemBuffer~0 := #t~nondet120;havoc #t~nondet120;havoc ~mountName__NameLength~0;assume -2147483648 <= #t~nondet121 && #t~nondet121 <= 2147483647;~disketteExtension__DeviceName__Length~0 := #t~nondet121;havoc #t~nondet121;assume -2147483648 <= #t~nondet122 && #t~nondet122 <= 2147483647;~sizeof__USHORT~0 := #t~nondet122;havoc #t~nondet122;assume -2147483648 <= #t~nondet123 && #t~nondet123 <= 2147483647;~disketteExtension__InterfaceString__Buffer~1 := #t~nondet123;havoc #t~nondet123;havoc ~uniqueId__UniqueIdLength~0;assume -2147483648 <= #t~nondet124 && #t~nondet124 <= 2147483647;~disketteExtension__InterfaceString__Length~0 := #t~nondet124;havoc #t~nondet124;assume -2147483648 <= #t~nondet125 && #t~nondet125 <= 2147483647;~sizeof__MOUNTDEV_UNIQUE_ID~0 := #t~nondet125;havoc #t~nondet125;assume -2147483648 <= #t~nondet126 && #t~nondet126 <= 2147483647;~irpSp__Parameters__DeviceIoControl__InputBufferLength~0 := #t~nondet126;havoc #t~nondet126;assume -2147483648 <= #t~nondet127 && #t~nondet127 <= 2147483647;~sizeof__FORMAT_PARAMETERS~0 := #t~nondet127;havoc #t~nondet127;assume -2147483648 <= #t~nondet128 && #t~nondet128 <= 2147483647;~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 := #t~nondet128;havoc #t~nondet128;assume -2147483648 <= #t~nondet129 && #t~nondet129 <= 2147483647;~sizeof__FORMAT_EX_PARAMETERS~0 := #t~nondet129;havoc #t~nondet129;assume -2147483648 <= #t~nondet130 && #t~nondet130 <= 2147483647;~formatExParameters__FormatGapLength~0 := #t~nondet130;havoc #t~nondet130;assume -2147483648 <= #t~nondet131 && #t~nondet131 <= 2147483647;~formatExParameters__SectorsPerTrack~0 := #t~nondet131;havoc #t~nondet131;assume -2147483648 <= #t~nondet132 && #t~nondet132 <= 2147483647;~sizeof__DISK_GEOMETRY~0 := #t~nondet132;havoc #t~nondet132;havoc ~Irp__IoStatus__Status___0~0;assume -2147483648 <= #t~nondet133 && #t~nondet133 <= 2147483647;~disketteExtension~2 := #t~nondet133;havoc #t~nondet133;havoc ~ntStatus~3;havoc ~outputBufferLength~0;assume -2147483648 <= #t~nondet134 && #t~nondet134 <= 2147483647;~lowestDriveMediaType~0 := #t~nondet134;havoc #t~nondet134;assume -2147483648 <= #t~nondet135 && #t~nondet135 <= 2147483647;~highestDriveMediaType~0 := #t~nondet135;havoc #t~nondet135;assume -2147483648 <= #t~nondet136 && #t~nondet136 <= 2147483647;~formatExParametersSize~0 := #t~nondet136;havoc #t~nondet136;havoc ~formatExParameters~0;havoc ~tmp~0;havoc ~mountName~0;havoc ~uniqueId~0;havoc ~tmp___0~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;assume -2147483648 <= #t~nondet137 && #t~nondet137 <= 2147483647;~__cil_tmp41~0 := #t~nondet137;havoc #t~nondet137;havoc ~__cil_tmp42~1;havoc ~__cil_tmp43~1;assume -2147483648 <= #t~nondet138 && #t~nondet138 <= 2147483647;~__cil_tmp44~1 := #t~nondet138;havoc #t~nondet138;assume -2147483648 <= #t~nondet139 && #t~nondet139 <= 2147483647;~__cil_tmp45~1 := #t~nondet139;havoc #t~nondet139;havoc ~__cil_tmp46~1;havoc ~__cil_tmp47~1;havoc ~__cil_tmp48~1;havoc ~__cil_tmp49~1;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~__cil_tmp50~0 := #t~nondet140;havoc #t~nondet140;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~__cil_tmp55~0 := #t~nondet141;havoc #t~nondet141;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;assume -2147483648 <= #t~nondet142 && #t~nondet142 <= 2147483647;~__cil_tmp60~0 := #t~nondet142;havoc #t~nondet142;havoc ~__cil_tmp61~0;havoc ~__cil_tmp62~0;havoc ~__cil_tmp63~0;havoc ~__cil_tmp64~0;assume -2147483648 <= #t~nondet143 && #t~nondet143 <= 2147483647;~__cil_tmp65~0 := #t~nondet143;havoc #t~nondet143;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~__cil_tmp66~0 := #t~nondet144;havoc #t~nondet144;havoc ~__cil_tmp67~0;havoc ~__cil_tmp68~0;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~__cil_tmp69~0 := #t~nondet145;havoc #t~nondet145;havoc ~__cil_tmp70~0;havoc ~__cil_tmp71~0;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~__cil_tmp72~0 := #t~nondet146;havoc #t~nondet146;havoc ~__cil_tmp73~0;havoc ~__cil_tmp74~0;assume -2147483648 <= #t~nondet147 && #t~nondet147 <= 2147483647;~__cil_tmp75~0 := #t~nondet147;havoc #t~nondet147;havoc ~__cil_tmp76~0;havoc ~__cil_tmp77~0;assume -2147483648 <= #t~nondet148 && #t~nondet148 <= 2147483647;~__cil_tmp78~0 := #t~nondet148;havoc #t~nondet148;havoc ~__cil_tmp79~0;havoc ~__cil_tmp80~0;assume -2147483648 <= #t~nondet149 && #t~nondet149 <= 2147483647;~__cil_tmp81~0 := #t~nondet149;havoc #t~nondet149;havoc ~__cil_tmp82~0;havoc ~__cil_tmp83~0;havoc ~__cil_tmp84~0;havoc ~__cil_tmp85~0;havoc ~__cil_tmp86~0;havoc ~__cil_tmp87~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~__cil_tmp88~0 := #t~nondet150;havoc #t~nondet150;havoc ~__cil_tmp89~0;havoc ~__cil_tmp90~0;havoc ~__cil_tmp91~0; {84879#true} is VALID [2018-11-23 12:39:15,352 INFO L273 TraceCheckUtils]: 22: Hoare triple {84879#true} assume !(0 != ~disketteExtension__HoldNewRequests~2); {84879#true} is VALID [2018-11-23 12:39:15,353 INFO L273 TraceCheckUtils]: 23: Hoare triple {84879#true} assume !(0 != ~disketteExtension__IsRemoved~1); {84879#true} is VALID [2018-11-23 12:39:15,353 INFO L273 TraceCheckUtils]: 24: Hoare triple {84879#true} assume !(0 == ~disketteExtension__IsStarted~2); {84879#true} is VALID [2018-11-23 12:39:15,353 INFO L273 TraceCheckUtils]: 25: Hoare triple {84879#true} assume !(~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 == ~__cil_tmp44~1); {84879#true} is VALID [2018-11-23 12:39:15,353 INFO L273 TraceCheckUtils]: 26: Hoare triple {84879#true} assume !(~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 == ~__cil_tmp45~1); {84879#true} is VALID [2018-11-23 12:39:15,353 INFO L273 TraceCheckUtils]: 27: Hoare triple {84879#true} assume !(~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 == ~__cil_tmp50~0); {84879#true} is VALID [2018-11-23 12:39:15,353 INFO L273 TraceCheckUtils]: 28: Hoare triple {84879#true} assume !(~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 == ~__cil_tmp55~0); {84879#true} is VALID [2018-11-23 12:39:15,354 INFO L273 TraceCheckUtils]: 29: Hoare triple {84879#true} assume ~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 == ~__cil_tmp60~0; {84879#true} is VALID [2018-11-23 12:39:15,354 INFO L256 TraceCheckUtils]: 30: Hoare triple {84879#true} call #t~ret156 := FlQueueIrpToThread(~Irp, ~disketteExtension~2); {84879#true} is VALID [2018-11-23 12:39:15,354 INFO L273 TraceCheckUtils]: 31: Hoare triple {84879#true} ~Irp := #in~Irp;~DisketteExtension := #in~DisketteExtension;havoc ~status~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~threadHandle~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~DisketteExtension__PoweringDown~0 := #t~nondet1;havoc #t~nondet1;assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~DisketteExtension__ThreadReferenceCount~0 := #t~nondet2;havoc #t~nondet2;assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;~DisketteExtension__FloppyThread~0 := #t~nondet3;havoc #t~nondet3;havoc ~Irp__IoStatus__Status~0;havoc ~Irp__IoStatus__Information~0;havoc ~Irp__Tail__Overlay__CurrentStackLocation__Control~0;assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;~ObjAttributes~0 := #t~nondet4;havoc #t~nondet4;havoc ~__cil_tmp12~0;havoc ~__cil_tmp13~0; {84879#true} is VALID [2018-11-23 12:39:15,366 INFO L273 TraceCheckUtils]: 32: Hoare triple {84879#true} assume 1 == ~DisketteExtension__PoweringDown~0;~myStatus~0 := -1073741101;~Irp__IoStatus__Status~0 := -1073741101;~Irp__IoStatus__Information~0 := 0;#res := -1073741101; {84881#(<= (+ |FlQueueIrpToThread_#res| 1073741101) 0)} is VALID [2018-11-23 12:39:15,378 INFO L273 TraceCheckUtils]: 33: Hoare triple {84881#(<= (+ |FlQueueIrpToThread_#res| 1073741101) 0)} assume true; {84881#(<= (+ |FlQueueIrpToThread_#res| 1073741101) 0)} is VALID [2018-11-23 12:39:15,391 INFO L268 TraceCheckUtils]: 34: Hoare quadruple {84881#(<= (+ |FlQueueIrpToThread_#res| 1073741101) 0)} {84879#true} #1137#return; {84882#(<= (+ |FloppyDeviceControl_#t~ret156| 1073741101) 0)} is VALID [2018-11-23 12:39:15,408 INFO L273 TraceCheckUtils]: 35: Hoare triple {84882#(<= (+ |FloppyDeviceControl_#t~ret156| 1073741101) 0)} assume -2147483648 <= #t~ret156 && #t~ret156 <= 2147483647;~ntStatus~3 := #t~ret156;havoc #t~ret156; {84883#(<= (+ FloppyDeviceControl_~ntStatus~3 1073741101) 0)} is VALID [2018-11-23 12:39:15,417 INFO L273 TraceCheckUtils]: 36: Hoare triple {84883#(<= (+ FloppyDeviceControl_~ntStatus~3 1073741101) 0)} ~__cil_tmp91~0 := ~ntStatus~3; {84884#(<= (+ FloppyDeviceControl_~__cil_tmp91~0 1073741101) 0)} is VALID [2018-11-23 12:39:15,429 INFO L273 TraceCheckUtils]: 37: Hoare triple {84884#(<= (+ FloppyDeviceControl_~__cil_tmp91~0 1073741101) 0)} assume !(259 != ~__cil_tmp91~0); {84880#false} is VALID [2018-11-23 12:39:15,429 INFO L273 TraceCheckUtils]: 38: Hoare triple {84880#false} #res := ~ntStatus~3; {84880#false} is VALID [2018-11-23 12:39:15,430 INFO L273 TraceCheckUtils]: 39: Hoare triple {84880#false} assume true; {84880#false} is VALID [2018-11-23 12:39:15,430 INFO L268 TraceCheckUtils]: 40: Hoare quadruple {84880#false} {84879#true} #1071#return; {84880#false} is VALID [2018-11-23 12:39:15,430 INFO L273 TraceCheckUtils]: 41: Hoare triple {84880#false} assume -2147483648 <= #t~ret95 && #t~ret95 <= 2147483647;~status~1 := #t~ret95;havoc #t~ret95; {84880#false} is VALID [2018-11-23 12:39:15,430 INFO L273 TraceCheckUtils]: 42: Hoare triple {84880#false} assume !(1 == ~pended~0); {84880#false} is VALID [2018-11-23 12:39:15,430 INFO L273 TraceCheckUtils]: 43: Hoare triple {84880#false} assume !(1 == ~pended~0); {84880#false} is VALID [2018-11-23 12:39:15,431 INFO L273 TraceCheckUtils]: 44: Hoare triple {84880#false} assume ~s~0 != ~UNLOADED~0; {84880#false} is VALID [2018-11-23 12:39:15,431 INFO L273 TraceCheckUtils]: 45: Hoare triple {84880#false} assume -1 != ~status~1; {84880#false} is VALID [2018-11-23 12:39:15,431 INFO L273 TraceCheckUtils]: 46: Hoare triple {84880#false} assume ~s~0 != ~SKIP2~0; {84880#false} is VALID [2018-11-23 12:39:15,431 INFO L273 TraceCheckUtils]: 47: Hoare triple {84880#false} assume ~s~0 != ~IPC~0; {84880#false} is VALID [2018-11-23 12:39:15,431 INFO L273 TraceCheckUtils]: 48: Hoare triple {84880#false} assume ~s~0 != ~DC~0; {84880#false} is VALID [2018-11-23 12:39:15,432 INFO L256 TraceCheckUtils]: 49: Hoare triple {84880#false} call errorFn(); {84880#false} is VALID [2018-11-23 12:39:15,432 INFO L273 TraceCheckUtils]: 50: Hoare triple {84880#false} assume !false; {84880#false} is VALID [2018-11-23 12:39:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:15,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:39:15,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:39:15,435 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2018-11-23 12:39:15,435 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:39:15,435 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 12:39:15,762 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:39:15,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:39:15,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:39:15,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:39:15,764 INFO L87 Difference]: Start difference. First operand 659 states and 833 transitions. Second operand 6 states. [2018-11-23 12:39:21,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:21,394 INFO L93 Difference]: Finished difference Result 686 states and 864 transitions. [2018-11-23 12:39:21,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:39:21,394 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2018-11-23 12:39:21,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:39:21,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 12:39:21,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 478 transitions. [2018-11-23 12:39:21,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 12:39:21,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 478 transitions. [2018-11-23 12:39:21,403 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 478 transitions. [2018-11-23 12:39:21,808 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 478 edges. 478 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:39:21,833 INFO L225 Difference]: With dead ends: 686 [2018-11-23 12:39:21,833 INFO L226 Difference]: Without dead ends: 661 [2018-11-23 12:39:21,834 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:39:21,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2018-11-23 12:39:24,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2018-11-23 12:39:24,829 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:39:24,829 INFO L82 GeneralOperation]: Start isEquivalent. First operand 661 states. Second operand 661 states. [2018-11-23 12:39:24,829 INFO L74 IsIncluded]: Start isIncluded. First operand 661 states. Second operand 661 states. [2018-11-23 12:39:24,829 INFO L87 Difference]: Start difference. First operand 661 states. Second operand 661 states. [2018-11-23 12:39:24,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:24,851 INFO L93 Difference]: Finished difference Result 661 states and 835 transitions. [2018-11-23 12:39:24,851 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 835 transitions. [2018-11-23 12:39:24,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:24,852 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:39:24,852 INFO L74 IsIncluded]: Start isIncluded. First operand 661 states. Second operand 661 states. [2018-11-23 12:39:24,852 INFO L87 Difference]: Start difference. First operand 661 states. Second operand 661 states. [2018-11-23 12:39:24,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:39:24,869 INFO L93 Difference]: Finished difference Result 661 states and 835 transitions. [2018-11-23 12:39:24,869 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 835 transitions. [2018-11-23 12:39:24,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:39:24,870 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:39:24,870 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:39:24,870 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:39:24,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2018-11-23 12:39:24,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 835 transitions. [2018-11-23 12:39:24,890 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 835 transitions. Word has length 51 [2018-11-23 12:39:24,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:39:24,890 INFO L480 AbstractCegarLoop]: Abstraction has 661 states and 835 transitions. [2018-11-23 12:39:24,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:39:24,890 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 835 transitions. [2018-11-23 12:39:24,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 12:39:24,891 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:39:24,891 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:39:24,892 INFO L423 AbstractCegarLoop]: === Iteration 23 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:39:24,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:39:24,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1179136159, now seen corresponding path program 1 times [2018-11-23 12:39:24,892 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:39:24,892 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:39:24,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:24,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:39:24,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:39:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:39:25,229 INFO L256 TraceCheckUtils]: 0: Hoare triple {88016#true} call ULTIMATE.init(); {88016#true} is VALID [2018-11-23 12:39:25,230 INFO L273 TraceCheckUtils]: 1: Hoare triple {88016#true} ~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~PagingReferenceCount~0 := 0;~PagingMutex~0 := 0; {88016#true} is VALID [2018-11-23 12:39:25,230 INFO L273 TraceCheckUtils]: 2: Hoare triple {88016#true} assume true; {88016#true} is VALID [2018-11-23 12:39:25,230 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {88016#true} {88016#true} #1155#return; {88016#true} is VALID [2018-11-23 12:39:25,230 INFO L256 TraceCheckUtils]: 4: Hoare triple {88016#true} call #t~ret166 := main(); {88016#true} is VALID [2018-11-23 12:39:25,231 INFO L273 TraceCheckUtils]: 5: Hoare triple {88016#true} havoc ~status~1;assume -2147483648 <= #t~nondet86 && #t~nondet86 <= 2147483647;~irp~1 := #t~nondet86;havoc #t~nondet86;havoc ~pirp~0;havoc ~pirp__IoStatus__Status~0;assume -2147483648 <= #t~nondet87 && #t~nondet87 <= 2147483647;~irp_choice~0 := #t~nondet87;havoc #t~nondet87;assume -2147483648 <= #t~nondet88 && #t~nondet88 <= 2147483647;~devobj~0 := #t~nondet88;havoc #t~nondet88;havoc ~__cil_tmp8~0;~FloppyThread~0 := 0;~KernelMode~0 := 0;~Suspended~0 := 0;~Executive~0 := 0;~DiskController~0 := 0;~FloppyDiskPeripheral~0 := 0;~FlConfigCallBack~0 := 0;~MaximumInterfaceType~0 := 0;~MOUNTDEV_MOUNTED_DEVICE_GUID~0 := 0;~myStatus~0 := 0;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~status~1 := 0;~pirp~0 := ~irp~1; {88016#true} is VALID [2018-11-23 12:39:25,231 INFO L256 TraceCheckUtils]: 6: Hoare triple {88016#true} call _BLAST_init(); {88016#true} is VALID [2018-11-23 12:39:25,231 INFO L273 TraceCheckUtils]: 7: Hoare triple {88016#true} ~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {88016#true} is VALID [2018-11-23 12:39:25,231 INFO L273 TraceCheckUtils]: 8: Hoare triple {88016#true} assume true; {88016#true} is VALID [2018-11-23 12:39:25,231 INFO L268 TraceCheckUtils]: 9: Hoare quadruple {88016#true} {88016#true} #1063#return; {88016#true} is VALID [2018-11-23 12:39:25,232 INFO L273 TraceCheckUtils]: 10: Hoare triple {88016#true} assume ~status~1 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~pended~0 := ~compRegistered~0;~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; {88016#true} is VALID [2018-11-23 12:39:25,232 INFO L273 TraceCheckUtils]: 11: Hoare triple {88016#true} assume 0 == ~irp_choice~0;~pirp__IoStatus__Status~0 := -1073741637;~myStatus~0 := -1073741637; {88016#true} is VALID [2018-11-23 12:39:25,232 INFO L256 TraceCheckUtils]: 12: Hoare triple {88016#true} call stub_driver_init(); {88016#true} is VALID [2018-11-23 12:39:25,232 INFO L273 TraceCheckUtils]: 13: Hoare triple {88016#true} ~s~0 := ~NP~0;~pended~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; {88016#true} is VALID [2018-11-23 12:39:25,232 INFO L273 TraceCheckUtils]: 14: Hoare triple {88016#true} assume true; {88016#true} is VALID [2018-11-23 12:39:25,233 INFO L268 TraceCheckUtils]: 15: Hoare quadruple {88016#true} {88016#true} #1065#return; {88016#true} is VALID [2018-11-23 12:39:25,233 INFO L273 TraceCheckUtils]: 16: Hoare triple {88016#true} assume !(~status~1 < 0);havoc ~tmp_ndt_1~0;assume -2147483648 <= #t~nondet89 && #t~nondet89 <= 2147483647;~tmp_ndt_1~0 := #t~nondet89;havoc #t~nondet89; {88016#true} is VALID [2018-11-23 12:39:25,233 INFO L273 TraceCheckUtils]: 17: Hoare triple {88016#true} assume !(0 == ~tmp_ndt_1~0);havoc ~tmp_ndt_2~0;assume -2147483648 <= #t~nondet90 && #t~nondet90 <= 2147483647;~tmp_ndt_2~0 := #t~nondet90;havoc #t~nondet90; {88016#true} is VALID [2018-11-23 12:39:25,233 INFO L273 TraceCheckUtils]: 18: Hoare triple {88016#true} assume !(1 == ~tmp_ndt_2~0);havoc ~tmp_ndt_3~0;assume -2147483648 <= #t~nondet91 && #t~nondet91 <= 2147483647;~tmp_ndt_3~0 := #t~nondet91;havoc #t~nondet91; {88016#true} is VALID [2018-11-23 12:39:25,233 INFO L273 TraceCheckUtils]: 19: Hoare triple {88016#true} assume 2 == ~tmp_ndt_3~0; {88016#true} is VALID [2018-11-23 12:39:25,233 INFO L256 TraceCheckUtils]: 20: Hoare triple {88016#true} call #t~ret95 := FloppyDeviceControl(~devobj~0, ~pirp~0); {88016#true} is VALID [2018-11-23 12:39:25,234 INFO L273 TraceCheckUtils]: 21: Hoare triple {88016#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;assume -2147483648 <= #t~nondet112 && #t~nondet112 <= 2147483647;~disketteExtension__HoldNewRequests~2 := #t~nondet112;havoc #t~nondet112;assume -2147483648 <= #t~nondet113 && #t~nondet113 <= 2147483647;~disketteExtension__IsRemoved~1 := #t~nondet113;havoc #t~nondet113;havoc ~Irp__IoStatus__Information~3;assume -2147483648 <= #t~nondet114 && #t~nondet114 <= 2147483647;~disketteExtension__IsStarted~2 := #t~nondet114;havoc #t~nondet114;assume -2147483648 <= #t~nondet115 && #t~nondet115 <= 2147483647;~Irp__CurrentLocation~1 := #t~nondet115;havoc #t~nondet115;assume -2147483648 <= #t~nondet116 && #t~nondet116 <= 2147483647;~Irp__Tail__Overlay__CurrentStackLocation~2 := #t~nondet116;havoc #t~nondet116;assume -2147483648 <= #t~nondet117 && #t~nondet117 <= 2147483647;~disketteExtension__TargetObject~2 := #t~nondet117;havoc #t~nondet117;assume -2147483648 <= #t~nondet118 && #t~nondet118 <= 2147483647;~irpSp__Parameters__DeviceIoControl__OutputBufferLength~0 := #t~nondet118;havoc #t~nondet118;assume -2147483648 <= #t~nondet119 && #t~nondet119 <= 2147483647;~sizeof__MOUNTDEV_NAME~0 := #t~nondet119;havoc #t~nondet119;assume -2147483648 <= #t~nondet120 && #t~nondet120 <= 2147483647;~Irp__AssociatedIrp__SystemBuffer~0 := #t~nondet120;havoc #t~nondet120;havoc ~mountName__NameLength~0;assume -2147483648 <= #t~nondet121 && #t~nondet121 <= 2147483647;~disketteExtension__DeviceName__Length~0 := #t~nondet121;havoc #t~nondet121;assume -2147483648 <= #t~nondet122 && #t~nondet122 <= 2147483647;~sizeof__USHORT~0 := #t~nondet122;havoc #t~nondet122;assume -2147483648 <= #t~nondet123 && #t~nondet123 <= 2147483647;~disketteExtension__InterfaceString__Buffer~1 := #t~nondet123;havoc #t~nondet123;havoc ~uniqueId__UniqueIdLength~0;assume -2147483648 <= #t~nondet124 && #t~nondet124 <= 2147483647;~disketteExtension__InterfaceString__Length~0 := #t~nondet124;havoc #t~nondet124;assume -2147483648 <= #t~nondet125 && #t~nondet125 <= 2147483647;~sizeof__MOUNTDEV_UNIQUE_ID~0 := #t~nondet125;havoc #t~nondet125;assume -2147483648 <= #t~nondet126 && #t~nondet126 <= 2147483647;~irpSp__Parameters__DeviceIoControl__InputBufferLength~0 := #t~nondet126;havoc #t~nondet126;assume -2147483648 <= #t~nondet127 && #t~nondet127 <= 2147483647;~sizeof__FORMAT_PARAMETERS~0 := #t~nondet127;havoc #t~nondet127;assume -2147483648 <= #t~nondet128 && #t~nondet128 <= 2147483647;~irpSp__Parameters__DeviceIoControl__IoControlCode___1~0 := #t~nondet128;havoc #t~nondet128;assume -2147483648 <= #t~nondet129 && #t~nondet129 <= 2147483647;~sizeof__FORMAT_EX_PARAMETERS~0 := #t~nondet129;havoc #t~nondet129;assume -2147483648 <= #t~nondet130 && #t~nondet130 <= 2147483647;~formatExParameters__FormatGapLength~0 := #t~nondet130;havoc #t~nondet130;assume -2147483648 <= #t~nondet131 && #t~nondet131 <= 2147483647;~formatExParameters__SectorsPerTrack~0 := #t~nondet131;havoc #t~nondet131;assume -2147483648 <= #t~nondet132 && #t~nondet132 <= 2147483647;~sizeof__DISK_GEOMETRY~0 := #t~nondet132;havoc #t~nondet132;havoc ~Irp__IoStatus__Status___0~0;assume -2147483648 <= #t~nondet133 && #t~nondet133 <= 2147483647;~disketteExtension~2 := #t~nondet133;havoc #t~nondet133;havoc ~ntStatus~3;havoc ~outputBufferLength~0;assume -2147483648 <= #t~nondet134 && #t~nondet134 <= 2147483647;~lowestDriveMediaType~0 := #t~nondet134;havoc #t~nondet134;assume -2147483648 <= #t~nondet135 && #t~nondet135 <= 2147483647;~highestDriveMediaType~0 := #t~nondet135;havoc #t~nondet135;assume -2147483648 <= #t~nondet136 && #t~nondet136 <= 2147483647;~formatExParametersSize~0 := #t~nondet136;havoc #t~nondet136;havoc ~formatExParameters~0;havoc ~tmp~0;havoc ~mountName~0;havoc ~uniqueId~0;havoc ~tmp___0~0;havoc ~__cil_tmp39~0;havoc ~__cil_tmp40~0;assume -2147483648 <= #t~nondet137 && #t~nondet137 <= 2147483647;~__cil_tmp41~0 := #t~nondet137;havoc #t~nondet137;havoc ~__cil_tmp42~1;havoc ~__cil_tmp43~1;assume -2147483648 <= #t~nondet138 && #t~nondet138 <= 2147483647;~__cil_tmp44~1 := #t~nondet138;havoc #t~nondet138;assume -2147483648 <= #t~nondet139 && #t~nondet139 <= 2147483647;~__cil_tmp45~1 := #t~nondet139;havoc #t~nondet139;havoc ~__cil_tmp46~1;havoc ~__cil_tmp47~1;havoc ~__cil_tmp48~1;havoc ~__cil_tmp49~1;assume -2147483648 <= #t~nondet140 && #t~nondet140 <= 2147483647;~__cil_tmp50~0 := #t~nondet140;havoc #t~nondet140;havoc ~__cil_tmp51~0;havoc ~__cil_tmp52~0;havoc ~__cil_tmp53~0;havoc ~__cil_tmp54~0;assume -2147483648 <= #t~nondet141 && #t~nondet141 <= 2147483647;~__cil_tmp55~0 := #t~nondet141;havoc #t~nondet141;havoc ~__cil_tmp56~0;havoc ~__cil_tmp57~0;havoc ~__cil_tmp58~0;havoc ~__cil_tmp59~0;assume -2147483648 <= #t~nondet142 && #t~nondet142 <= 2147483647;~__cil_tmp60~0 := #t~nondet142;havoc #t~nondet142;havoc ~__cil_tmp61~0;havoc ~__cil_tmp62~0;havoc ~__cil_tmp63~0;havoc ~__cil_tmp64~0;assume -2147483648 <= #t~nondet143 && #t~nondet143 <= 2147483647;~__cil_tmp65~0 := #t~nondet143;havoc #t~nondet143;assume -2147483648 <= #t~nondet144 && #t~nondet144 <= 2147483647;~__cil_tmp66~0 := #t~nondet144;havoc #t~nondet144;havoc ~__cil_tmp67~0;havoc ~__cil_tmp68~0;assume -2147483648 <= #t~nondet145 && #t~nondet145 <= 2147483647;~__cil_tmp69~0 := #t~nondet145;havoc #t~nondet145;havoc ~__cil_tmp70~0;havoc ~__cil_tmp71~0;assume -2147483648 <= #t~nondet146 && #t~nondet146 <= 2147483647;~__cil_tmp72~0 := #t~nondet146;havoc #t~nondet146;havoc ~__cil_tmp73~0;havoc ~__cil_tmp74~0;assume -2147483648 <= #t~nondet147 && #t~nondet147 <= 2147483647;~__cil_tmp75~0 := #t~nondet147;havoc #t~nondet147;havoc ~__cil_tmp76~0;havoc ~__cil_tmp77~0;assume -2147483648 <= #t~nondet148 && #t~nondet148 <= 2147483647;~__cil_tmp78~0 := #t~nondet148;havoc #t~nondet148;havoc ~__cil_tmp79~0;havoc ~__cil_tmp80~0;assume -2147483648 <= #t~nondet149 && #t~nondet149 <= 2147483647;~__cil_tmp81~0 := #t~nondet149;havoc #t~nondet149;havoc ~__cil_tmp82~0;havoc ~__cil_tmp83~0;havoc ~__cil_tmp84~0;havoc ~__cil_tmp85~0;havoc ~__cil_tmp86~0;havoc ~__cil_tmp87~0;assume -2147483648 <= #t~nondet150 && #t~nondet150 <= 2147483647;~__cil_tmp88~0 := #t~nondet150;havoc #t~nondet150;havoc ~__cil_tmp89~0;havoc ~__cil_tmp90~0;havoc ~__cil_tmp91~0; {88016#true} is VALID [2018-11-23 12:39:25,234 INFO L273 TraceCheckUtils]: 22: Hoare triple {88016#true} assume !(0 != ~disketteExtension__HoldNewRequests~2); {88016#true} is VALID [2018-11-23 12:39:25,234 INFO L273 TraceCheckUtils]: 23: Hoare triple {88016#true} assume !(0 != ~disketteExtension__IsRemoved~1); {88016#true} is VALID [2018-11-23 12:39:25,234 INFO L273 TraceCheckUtils]: 24: Hoare triple {88016#true} assume 0 == ~disketteExtension__IsStarted~2; {88016#true} is VALID [2018-11-23 12:39:25,234 INFO L273 TraceCheckUtils]: 25: Hoare triple {88016#true} assume ~s~0 == ~NP~0;~s~0 := ~SKIP1~0; {88016#true} is VALID [2018-11-23 12:39:25,234 INFO L273 TraceCheckUtils]: 26: Hoare triple {88016#true} #t~post152 := ~Irp__CurrentLocation~1;~Irp__CurrentLocation~1 := 1 + #t~post152;havoc #t~post152;#t~post153 := ~Irp__Tail__Overlay__CurrentStackLocation~2;~Irp__Tail__Overlay__CurrentStackLocation~2 := 1 + #t~post153;havoc #t~post153; {88016#true} is VALID [2018-11-23 12:39:25,234 INFO L256 TraceCheckUtils]: 27: Hoare triple {88016#true} call #t~ret154 := IofCallDriver(~disketteExtension__TargetObject~2, ~Irp); {88016#true} is VALID [2018-11-23 12:39:25,234 INFO L273 TraceCheckUtils]: 28: Hoare triple {88016#true} ~DeviceObject := #in~DeviceObject;~Irp := #in~Irp;havoc ~returnVal2~0;havoc ~compRetStatus1~0;assume -2147483648 <= #t~nondet103 && #t~nondet103 <= 2147483647;~lcontext~0 := #t~nondet103;havoc #t~nondet103;havoc ~__cil_tmp7~0; {88016#true} is VALID [2018-11-23 12:39:25,235 INFO L273 TraceCheckUtils]: 29: Hoare triple {88016#true} assume !(0 != ~compRegistered~0); {88016#true} is VALID [2018-11-23 12:39:25,235 INFO L273 TraceCheckUtils]: 30: Hoare triple {88016#true} havoc ~tmp_ndt_10~0;assume -2147483648 <= #t~nondet105 && #t~nondet105 <= 2147483647;~tmp_ndt_10~0 := #t~nondet105;havoc #t~nondet105; {88016#true} is VALID [2018-11-23 12:39:25,235 INFO L273 TraceCheckUtils]: 31: Hoare triple {88016#true} assume 0 == ~tmp_ndt_10~0; {88016#true} is VALID [2018-11-23 12:39:25,235 INFO L273 TraceCheckUtils]: 32: Hoare triple {88016#true} ~returnVal2~0 := 0; {88016#true} is VALID [2018-11-23 12:39:25,235 INFO L273 TraceCheckUtils]: 33: Hoare triple {88016#true} assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := ~returnVal2~0; {88018#(= ~lowerDriverReturn~0 IofCallDriver_~returnVal2~0)} is VALID [2018-11-23 12:39:25,236 INFO L273 TraceCheckUtils]: 34: Hoare triple {88018#(= ~lowerDriverReturn~0 IofCallDriver_~returnVal2~0)} #res := ~returnVal2~0; {88019#(= ~lowerDriverReturn~0 |IofCallDriver_#res|)} is VALID [2018-11-23 12:39:25,236 INFO L273 TraceCheckUtils]: 35: Hoare triple {88019#(= ~lowerDriverReturn~0 |IofCallDriver_#res|)} assume true; {88019#(= ~lowerDriverReturn~0 |IofCallDriver_#res|)} is VALID [2018-11-23 12:39:25,237 INFO L268 TraceCheckUtils]: 36: Hoare quadruple {88019#(= ~lowerDriverReturn~0 |IofCallDriver_#res|)} {88016#true} #1133#return; {88020#(= ~lowerDriverReturn~0 |FloppyDeviceControl_#t~ret154|)} is VALID [2018-11-23 12:39:25,237 INFO L273 TraceCheckUtils]: 37: Hoare triple {88020#(= ~lowerDriverReturn~0 |FloppyDeviceControl_#t~ret154|)} assume -2147483648 <= #t~ret154 && #t~ret154 <= 2147483647;~tmp~0 := #t~ret154;havoc #t~ret154;#res := ~tmp~0; {88021#(= ~lowerDriverReturn~0 |FloppyDeviceControl_#res|)} is VALID [2018-11-23 12:39:25,238 INFO L273 TraceCheckUtils]: 38: Hoare triple {88021#(= ~lowerDriverReturn~0 |FloppyDeviceControl_#res|)} assume true; {88021#(= ~lowerDriverReturn~0 |FloppyDeviceControl_#res|)} is VALID [2018-11-23 12:39:25,238 INFO L268 TraceCheckUtils]: 39: Hoare quadruple {88021#(= ~lowerDriverReturn~0 |FloppyDeviceControl_#res|)} {88016#true} #1071#return; {88022#(= ~lowerDriverReturn~0 |main_#t~ret95|)} is VALID [2018-11-23 12:39:25,240 INFO L273 TraceCheckUtils]: 40: Hoare triple {88022#(= ~lowerDriverReturn~0 |main_#t~ret95|)} assume -2147483648 <= #t~ret95 && #t~ret95 <= 2147483647;~status~1 := #t~ret95;havoc #t~ret95; {88023#(= main_~status~1 ~lowerDriverReturn~0)} is VALID [2018-11-23 12:39:25,240 INFO L273 TraceCheckUtils]: 41: Hoare triple {88023#(= main_~status~1 ~lowerDriverReturn~0)} assume !(1 == ~pended~0); {88023#(= main_~status~1 ~lowerDriverReturn~0)} is VALID [2018-11-23 12:39:25,241 INFO L273 TraceCheckUtils]: 42: Hoare triple {88023#(= main_~status~1 ~lowerDriverReturn~0)} assume !(1 == ~pended~0); {88023#(= main_~status~1 ~lowerDriverReturn~0)} is VALID [2018-11-23 12:39:25,241 INFO L273 TraceCheckUtils]: 43: Hoare triple {88023#(= main_~status~1 ~lowerDriverReturn~0)} assume ~s~0 != ~UNLOADED~0; {88023#(= main_~status~1 ~lowerDriverReturn~0)} is VALID [2018-11-23 12:39:25,241 INFO L273 TraceCheckUtils]: 44: Hoare triple {88023#(= main_~status~1 ~lowerDriverReturn~0)} assume -1 != ~status~1; {88023#(= main_~status~1 ~lowerDriverReturn~0)} is VALID [2018-11-23 12:39:25,242 INFO L273 TraceCheckUtils]: 45: Hoare triple {88023#(= main_~status~1 ~lowerDriverReturn~0)} assume !(~s~0 != ~SKIP2~0); {88023#(= main_~status~1 ~lowerDriverReturn~0)} is VALID [2018-11-23 12:39:25,242 INFO L273 TraceCheckUtils]: 46: Hoare triple {88023#(= main_~status~1 ~lowerDriverReturn~0)} assume !(1 == ~pended~0); {88023#(= main_~status~1 ~lowerDriverReturn~0)} is VALID [2018-11-23 12:39:25,242 INFO L273 TraceCheckUtils]: 47: Hoare triple {88023#(= main_~status~1 ~lowerDriverReturn~0)} assume !(~s~0 == ~DC~0); {88023#(= main_~status~1 ~lowerDriverReturn~0)} is VALID [2018-11-23 12:39:25,243 INFO L273 TraceCheckUtils]: 48: Hoare triple {88023#(= main_~status~1 ~lowerDriverReturn~0)} assume ~status~1 != ~lowerDriverReturn~0; {88017#false} is VALID [2018-11-23 12:39:25,243 INFO L256 TraceCheckUtils]: 49: Hoare triple {88017#false} call errorFn(); {88017#false} is VALID [2018-11-23 12:39:25,243 INFO L273 TraceCheckUtils]: 50: Hoare triple {88017#false} assume !false; {88017#false} is VALID [2018-11-23 12:39:25,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:39:25,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:39:25,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 12:39:25,246 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2018-11-23 12:39:25,246 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:39:25,246 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2018-11-23 12:39:25,296 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:39:25,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:39:25,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:39:25,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:39:25,297 INFO L87 Difference]: Start difference. First operand 661 states and 835 transitions. Second operand 8 states.