java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-05 15:31:01,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 15:31:01,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 15:31:01,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 15:31:01,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 15:31:01,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 15:31:01,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 15:31:01,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 15:31:01,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 15:31:01,153 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 15:31:01,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 15:31:01,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 15:31:01,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 15:31:01,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 15:31:01,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 15:31:01,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 15:31:01,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 15:31:01,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 15:31:01,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 15:31:01,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 15:31:01,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 15:31:01,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 15:31:01,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 15:31:01,169 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 15:31:01,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 15:31:01,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 15:31:01,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 15:31:01,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 15:31:01,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 15:31:01,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 15:31:01,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 15:31:01,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 15:31:01,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 15:31:01,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 15:31:01,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 15:31:01,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 15:31:01,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 15:31:01,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 15:31:01,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 15:31:01,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 15:31:01,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 15:31:01,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-05 15:31:01,195 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 15:31:01,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 15:31:01,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-05 15:31:01,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-05 15:31:01,197 INFO L138 SettingsManager]: * Use SBE=true [2019-09-05 15:31:01,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 15:31:01,197 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 15:31:01,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-05 15:31:01,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 15:31:01,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 15:31:01,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 15:31:01,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 15:31:01,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 15:31:01,199 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 15:31:01,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 15:31:01,199 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-05 15:31:01,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 15:31:01,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 15:31:01,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 15:31:01,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-05 15:31:01,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-05 15:31:01,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 15:31:01,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 15:31:01,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 15:31:01,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-05 15:31:01,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-05 15:31:01,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 15:31:01,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 15:31:01,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-05 15:31:01,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 15:31:01,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 15:31:01,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 15:31:01,248 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 15:31:01,249 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 15:31:01,250 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-05 15:31:01,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61e2ea37/0a10081451504729baaf830ba8baec7b/FLAG96faf1914 [2019-09-05 15:31:01,846 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 15:31:01,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-05 15:31:01,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61e2ea37/0a10081451504729baaf830ba8baec7b/FLAG96faf1914 [2019-09-05 15:31:02,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61e2ea37/0a10081451504729baaf830ba8baec7b [2019-09-05 15:31:02,160 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 15:31:02,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 15:31:02,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 15:31:02,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 15:31:02,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 15:31:02,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:31:02" (1/1) ... [2019-09-05 15:31:02,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@227f8344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:31:02, skipping insertion in model container [2019-09-05 15:31:02,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 03:31:02" (1/1) ... [2019-09-05 15:31:02,176 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 15:31:02,225 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 15:31:02,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:31:02,692 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 15:31:02,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 15:31:02,826 INFO L192 MainTranslator]: Completed translation [2019-09-05 15:31:02,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:31:02 WrapperNode [2019-09-05 15:31:02,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 15:31:02,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 15:31:02,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 15:31:02,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 15:31:02,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:31:02" (1/1) ... [2019-09-05 15:31:02,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:31:02" (1/1) ... [2019-09-05 15:31:02,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:31:02" (1/1) ... [2019-09-05 15:31:02,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:31:02" (1/1) ... [2019-09-05 15:31:02,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:31:02" (1/1) ... [2019-09-05 15:31:02,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:31:02" (1/1) ... [2019-09-05 15:31:02,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:31:02" (1/1) ... [2019-09-05 15:31:02,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 15:31:02,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 15:31:02,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 15:31:02,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 15:31:02,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 03:31:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 15:31:02,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 15:31:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 15:31:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-05 15:31:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-05 15:31:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-09-05 15:31:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-09-05 15:31:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-09-05 15:31:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-09-05 15:31:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-09-05 15:31:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-09-05 15:31:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-09-05 15:31:02,995 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-05 15:31:02,995 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 15:31:02,995 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-09-05 15:31:02,996 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-09-05 15:31:02,997 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-09-05 15:31:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-09-05 15:31:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-09-05 15:31:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-05 15:31:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-05 15:31:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-05 15:31:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-05 15:31:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-05 15:31:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-09-05 15:31:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-09-05 15:31:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-09-05 15:31:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 15:31:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-05 15:31:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 15:31:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-05 15:31:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-05 15:31:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-09-05 15:31:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-09-05 15:31:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-09-05 15:31:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-09-05 15:31:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-09-05 15:31:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-09-05 15:31:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-09-05 15:31:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-09-05 15:31:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-09-05 15:31:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-09-05 15:31:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-09-05 15:31:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-05 15:31:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-05 15:31:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-05 15:31:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-09-05 15:31:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-09-05 15:31:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-09-05 15:31:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-05 15:31:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-05 15:31:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-05 15:31:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-09-05 15:31:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-05 15:31:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 15:31:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-05 15:31:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 15:31:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 15:31:03,364 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-05 15:31:03,431 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-05 15:31:03,432 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-05 15:31:03,441 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-05 15:31:03,453 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-05 15:31:03,453 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-05 15:31:03,460 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-05 15:31:03,761 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-09-05 15:31:03,761 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-09-05 15:31:03,764 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-05 15:31:03,838 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-09-05 15:31:03,838 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-09-05 15:31:03,848 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-05 15:31:03,866 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-05 15:31:03,867 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-05 15:31:03,969 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-05 15:31:03,979 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-05 15:31:03,980 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-05 15:31:03,980 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-05 15:31:03,989 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-05 15:31:03,990 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-05 15:31:03,990 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-05 15:31:04,010 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-05 15:31:04,010 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-05 15:31:04,063 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-05 15:31:04,102 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-05 15:31:04,102 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-05 15:31:04,129 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-05 15:31:04,138 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-05 15:31:04,138 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-05 15:31:04,139 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-05 15:31:04,161 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-05 15:31:04,161 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-05 15:31:04,162 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-05 15:31:04,169 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-05 15:31:04,169 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-05 15:31:04,180 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 15:31:04,180 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-05 15:31:04,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:31:04 BoogieIcfgContainer [2019-09-05 15:31:04,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 15:31:04,183 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-05 15:31:04,183 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-05 15:31:04,183 INFO L275 PluginConnector]: Sifa initialized [2019-09-05 15:31:04,184 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 03:31:04" (1/1) ... [2019-09-05 15:31:04,185 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-05 15:31:04,212 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-05 15:31:04,212 INFO L169 IcfgInterpreter]: Building call graph [2019-09-05 15:31:04,240 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-05 15:31:04,284 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-05 15:31:04,285 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-05 15:31:04,423 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 130 for LOIs [2019-09-05 15:31:11,162 INFO L199 IcfgInterpreter]: Interpreting procedure FloppyPnp with input of size 123 for LOIs [2019-09-05 15:31:12,546 INFO L199 IcfgInterpreter]: Interpreting procedure FloppyStartDevice with input of size 120 for LOIs [2019-09-05 15:31:14,232 INFO L199 IcfgInterpreter]: Interpreting procedure FlFdcDeviceIo with input of size 113 for LOIs [2019-09-05 15:31:14,293 INFO L199 IcfgInterpreter]: Interpreting procedure FlQueueIrpToThread with input of size 105 for LOIs [2019-09-05 15:31:14,323 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 127 for LOIs [2019-09-05 15:31:14,477 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 110 for LOIs [2019-09-05 15:31:14,482 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 103 for LOIs [2019-09-05 15:31:14,488 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 119 for LOIs [2019-09-05 15:31:14,495 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 91 for LOIs [2019-09-05 15:31:14,496 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-05 15:31:14,496 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-05 15:31:14,500 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2878#(and (<= 0 ~compRegistered~0) (<= ~MOUNTDEV_MOUNTED_DEVICE_GUID~0 0) (<= 0 ~DiskController~0) (<= 0 (+ ~myStatus~0 1073741823)) (<= 0 ~UNLOADED~0) (<= ~IPC~0 7) (<= 0 ~MaximumInterfaceType~0) (<= ~NP~0 1) (<= ~PagingReferenceCount~0 2) (<= 0 ~PagingReferenceCount~0) (<= 6 ~MPR3~0) (<= ~FloppyDiskPeripheral~0 0) (<= ~compRegistered~0 1) (<= 0 ~PagingMutex~0) (<= 0 ~MOUNTDEV_MOUNTED_DEVICE_GUID~0) (<= 0 ~setEventCalled~0) (<= 0 ~FloppyDiskPeripheral~0) (<= ~DiskController~0 0) (<= ~KernelMode~0 0) (<= 0 ~FlConfigCallBack~0) (<= 2 ~DC~0) (<= ~SKIP1~0 3) (<= ~pended~0 1) (<= ~customIrp~0 1) (<= ~UNLOADED~0 0) (<= ~MaximumInterfaceType~0 0) (<= ~setEventCalled~0 1) (<= 1 ~NP~0) (<= ~Suspended~0 0) (<= 5 ~MPR1~0) (<= ~lowerDriverReturn~0 259) (<= ~FlConfigCallBack~0 0) (<= ~myStatus~0 259) (<= 0 ~Suspended~0) (<= 1 ~s~0) (<= ~s~0 6) (<= 0 ~KernelMode~0) (<= ~MPR3~0 6) (<= ~Executive~0 0) (<= ~MPR1~0 5) (<= ~FloppyThread~0 0) (<= 0 ~pended~0) (<= ~DC~0 2) (<= ~PagingMutex~0 0) (<= 7 ~IPC~0) (<= 0 ~FloppyThread~0) (<= 0 ~Executive~0) (<= 0 (+ ~lowerDriverReturn~0 1073741823)) (<= 4 ~SKIP2~0) (<= 3 ~SKIP1~0) (<= ~SKIP2~0 4) (<= 0 ~customIrp~0)) [2019-09-05 15:31:14,513 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-05 15:31:14,513 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-05 15:31:14,516 INFO L168 Benchmark]: Toolchain (without parser) took 12353.03 ms. Allocated memory was 132.6 MB in the beginning and 654.3 MB in the end (delta: 521.7 MB). Free memory was 87.5 MB in the beginning and 303.4 MB in the end (delta: -215.8 MB). Peak memory consumption was 305.8 MB. Max. memory is 7.1 GB. [2019-09-05 15:31:14,517 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 15:31:14,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.98 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.3 MB in the beginning and 167.2 MB in the end (delta: -79.8 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-09-05 15:31:14,519 INFO L168 Benchmark]: Boogie Preprocessor took 87.54 ms. Allocated memory is still 199.8 MB. Free memory was 167.2 MB in the beginning and 163.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-09-05 15:31:14,519 INFO L168 Benchmark]: RCFGBuilder took 1267.14 ms. Allocated memory is still 199.8 MB. Free memory was 163.8 MB in the beginning and 78.4 MB in the end (delta: 85.5 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. [2019-09-05 15:31:14,520 INFO L168 Benchmark]: Sifa took 10330.44 ms. Allocated memory was 199.8 MB in the beginning and 654.3 MB in the end (delta: 454.6 MB). Free memory was 78.4 MB in the beginning and 303.4 MB in the end (delta: -225.0 MB). Peak memory consumption was 229.6 MB. Max. memory is 7.1 GB. [2019-09-05 15:31:14,524 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 663.98 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 87.3 MB in the beginning and 167.2 MB in the end (delta: -79.8 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.54 ms. Allocated memory is still 199.8 MB. Free memory was 167.2 MB in the beginning and 163.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1267.14 ms. Allocated memory is still 199.8 MB. Free memory was 163.8 MB in the beginning and 78.4 MB in the end (delta: 85.5 MB). Peak memory consumption was 85.5 MB. Max. memory is 7.1 GB. * Sifa took 10330.44 ms. Allocated memory was 199.8 MB in the beginning and 654.3 MB in the end (delta: 454.6 MB). Free memory was 78.4 MB in the beginning and 303.4 MB in the end (delta: -225.0 MB). Peak memory consumption was 229.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 10288, ICFG_INTERPRETER_ENTERED_PROCEDURES: 11, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 2011, DAG_INTERPRETER_EARLY_EXITS: 51, TOOLS_POST_APPLICATIONS: 1684, TOOLS_POST_TIME[ms]: 1202, TOOLS_POST_CALL_APPLICATIONS: 279, TOOLS_POST_CALL_TIME[ms]: 2121, TOOLS_POST_RETURN_APPLICATIONS: 239, TOOLS_POST_RETURN_TIME[ms]: 1277, TOOLS_QUANTIFIERELIM_TIME[ms]: 3730, FLUID_QUERY_TIME[ms]: 61, FLUID_QUERIES: 2017, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 497, DOMAIN_JOIN_TIME[ms]: 1845, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 581, DOMAIN_ISSUBSETEQ_TIME[ms]: 1686, DOMAIN_ISBOTTOM_APPLICATIONS: 425, DOMAIN_ISBOTTOM_TIME[ms]: 1610, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 81, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 79, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 239, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 6494, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 15, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 138, DAG_COMPRESSION_PROCESSED_NODES: 5087, DAG_COMPRESSION_RETAINED_NODES: 1992 - UnprovableResult [Line: 64]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2878#(and (<= 0 ~compRegistered~0) (<= ~MOUNTDEV_MOUNTED_DEVICE_GUID~0 0) (<= 0 ~DiskController~0) (<= 0 (+ ~myStatus~0 1073741823)) (<= 0 ~UNLOADED~0) (<= ~IPC~0 7) (<= 0 ~MaximumInterfaceType~0) (<= ~NP~0 1) (<= ~PagingReferenceCount~0 2) (<= 0 ~PagingReferenceCount~0) (<= 6 ~MPR3~0) (<= ~FloppyDiskPeripheral~0 0) (<= ~compRegistered~0 1) (<= 0 ~PagingMutex~0) (<= 0 ~MOUNTDEV_MOUNTED_DEVICE_GUID~0) (<= 0 ~setEventCalled~0) (<= 0 ~FloppyDiskPeripheral~0) (<= ~DiskController~0 0) (<= ~KernelMode~0 0) (<= 0 ~FlConfigCallBack~0) (<= 2 ~DC~0) (<= ~SKIP1~0 3) (<= ~pended~0 1) (<= ~customIrp~0 1) (<= ~UNLOADED~0 0) (<= ~MaximumInterfaceType~0 0) (<= ~setEventCalled~0 1) (<= 1 ~NP~0) (<= ~Suspended~0 0) (<= 5 ~MPR1~0) (<= ~lowerDriverReturn~0 259) (<= ~FlConfigCallBack~0 0) (<= ~myStatus~0 259) (<= 0 ~Suspended~0) (<= 1 ~s~0) (<= ~s~0 6) (<= 0 ~KernelMode~0) (<= ~MPR3~0 6) (<= ~Executive~0 0) (<= ~MPR1~0 5) (<= ~FloppyThread~0 0) (<= 0 ~pended~0) (<= ~DC~0 2) (<= ~PagingMutex~0 0) (<= 7 ~IPC~0) (<= 0 ~FloppyThread~0) (<= 0 ~Executive~0) (<= 0 (+ ~lowerDriverReturn~0 1073741823)) (<= 4 ~SKIP2~0) (<= 3 ~SKIP1~0) (<= ~SKIP2~0 4) (<= 0 ~customIrp~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...