java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:27:13,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:27:13,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:27:13,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:27:13,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:27:13,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:27:13,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:27:13,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:27:13,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:27:13,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:27:13,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:27:13,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:27:13,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:27:13,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:27:13,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:27:13,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:27:13,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:27:13,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:27:13,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:27:13,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:27:13,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:27:13,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:27:13,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:27:13,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:27:13,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:27:13,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:27:13,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:27:13,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:27:13,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:27:13,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:27:13,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:27:13,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:27:13,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:27:13,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:27:13,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:27:13,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:27:13,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:27:13,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:27:13,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:27:13,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:27:13,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:27:13,494 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 [2019-09-21 08:27:13,508 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:27:13,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:27:13,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:27:13,510 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:27:13,510 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:27:13,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:27:13,510 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:27:13,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:27:13,511 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:27:13,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:27:13,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:27:13,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:27:13,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:27:13,512 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:27:13,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:27:13,512 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:27:13,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:27:13,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:27:13,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:27:13,513 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:27:13,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:27:13,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:27:13,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:27:13,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:27:13,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:27:13,514 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:27:13,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:27:13,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:27:13,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 08:27:13,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:27:13,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:27:13,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:27:13,561 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:27:13,561 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:27:13,562 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-21 08:27:13,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d427e5da/7894b85bc769459b85fc7886e7eac7d0/FLAG6b7d84263 [2019-09-21 08:27:14,140 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:27:14,140 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-21 08:27:14,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d427e5da/7894b85bc769459b85fc7886e7eac7d0/FLAG6b7d84263 [2019-09-21 08:27:14,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d427e5da/7894b85bc769459b85fc7886e7eac7d0 [2019-09-21 08:27:14,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:27:14,444 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:27:14,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:27:14,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:27:14,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:27:14,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:27:14" (1/1) ... [2019-09-21 08:27:14,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746b71ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:14, skipping insertion in model container [2019-09-21 08:27:14,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:27:14" (1/1) ... [2019-09-21 08:27:14,460 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:27:14,519 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:27:14,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:27:14,936 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:27:15,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:27:15,054 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:27:15,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:15 WrapperNode [2019-09-21 08:27:15,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:27:15,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:27:15,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:27:15,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:27:15,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:15" (1/1) ... [2019-09-21 08:27:15,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:15" (1/1) ... [2019-09-21 08:27:15,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:15" (1/1) ... [2019-09-21 08:27:15,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:15" (1/1) ... [2019-09-21 08:27:15,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:15" (1/1) ... [2019-09-21 08:27:15,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:15" (1/1) ... [2019-09-21 08:27:15,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:15" (1/1) ... [2019-09-21 08:27:15,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:27:15,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:27:15,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:27:15,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:27:15,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:15" (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 [2019-09-21 08:27:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:27:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:27:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-21 08:27:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-21 08:27:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-09-21 08:27:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-09-21 08:27:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-09-21 08:27:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-09-21 08:27:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-09-21 08:27:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-09-21 08:27:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-09-21 08:27:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-21 08:27:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:27:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-09-21 08:27:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-09-21 08:27:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-09-21 08:27:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-09-21 08:27:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-09-21 08:27:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-21 08:27:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-21 08:27:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-21 08:27:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-21 08:27:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-21 08:27:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-09-21 08:27:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-09-21 08:27:15,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-09-21 08:27:15,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:27:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-21 08:27:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:27:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-21 08:27:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-21 08:27:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-09-21 08:27:15,203 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-09-21 08:27:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-09-21 08:27:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-09-21 08:27:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-09-21 08:27:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-09-21 08:27:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-09-21 08:27:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-09-21 08:27:15,204 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-09-21 08:27:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-09-21 08:27:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-09-21 08:27:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-21 08:27:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-21 08:27:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-21 08:27:15,205 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-09-21 08:27:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-09-21 08:27:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-09-21 08:27:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-21 08:27:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-21 08:27:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-21 08:27:15,206 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-09-21 08:27:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-21 08:27:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:27:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-21 08:27:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:27:15,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:27:15,467 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:15,550 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 08:27:15,550 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 08:27:15,560 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:15,570 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 08:27:15,571 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 08:27:15,577 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:15,792 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-09-21 08:27:15,793 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-09-21 08:27:15,798 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:15,883 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-09-21 08:27:15,883 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-09-21 08:27:15,893 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:15,921 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-21 08:27:15,921 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-21 08:27:16,025 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:16,037 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 08:27:16,037 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 08:27:16,038 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:16,050 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 08:27:16,050 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 08:27:16,051 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:16,063 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 08:27:16,064 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 08:27:16,116 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:16,157 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-21 08:27:16,158 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-21 08:27:16,187 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:16,199 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 08:27:16,199 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 08:27:16,199 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:16,214 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 08:27:16,215 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 08:27:16,215 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:16,224 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-21 08:27:16,224 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-21 08:27:16,549 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:27:16,549 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-21 08:27:16,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:27:16 BoogieIcfgContainer [2019-09-21 08:27:16,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:27:16,552 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:27:16,552 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:27:16,553 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:27:16,554 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:27:16" (1/1) ... [2019-09-21 08:27:16,554 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:27:16,587 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:27:16,593 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:27:16,611 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:27:16,623 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:27:16,624 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:27:16,816 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 104 for LOIs [2019-09-21 08:27:22,341 INFO L199 IcfgInterpreter]: Interpreting procedure FloppyPnp with input of size 90 for LOIs [2019-09-21 08:27:25,827 INFO L199 IcfgInterpreter]: Interpreting procedure FloppyStartDevice with input of size 86 for LOIs [2019-09-21 08:27:28,519 INFO L199 IcfgInterpreter]: Interpreting procedure FlFdcDeviceIo with input of size 85 for LOIs [2019-09-21 08:27:28,553 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 90 for LOIs [2019-09-21 08:27:28,645 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 76 for LOIs [2019-09-21 08:27:28,646 INFO L199 IcfgInterpreter]: Interpreting procedure FlQueueIrpToThread with input of size 80 for LOIs [2019-09-21 08:27:28,698 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 9 for LOIs [2019-09-21 08:27:28,699 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 60 for LOIs [2019-09-21 08:27:28,719 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 1 for LOIs [2019-09-21 08:27:28,719 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:27:28,720 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:27:28,722 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1632#true [2019-09-21 08:27:28,736 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:27:28,736 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:27:28,740 INFO L168 Benchmark]: Toolchain (without parser) took 14293.99 ms. Allocated memory was 136.3 MB in the beginning and 739.2 MB in the end (delta: 602.9 MB). Free memory was 86.2 MB in the beginning and 174.2 MB in the end (delta: -88.1 MB). Peak memory consumption was 514.9 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:28,743 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 105.7 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:27:28,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.82 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 86.0 MB in the beginning and 169.0 MB in the end (delta: -83.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:28,746 INFO L168 Benchmark]: Boogie Preprocessor took 76.49 ms. Allocated memory is still 200.8 MB. Free memory was 169.0 MB in the beginning and 165.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:28,749 INFO L168 Benchmark]: RCFGBuilder took 1419.36 ms. Allocated memory was 200.8 MB in the beginning and 224.9 MB in the end (delta: 24.1 MB). Free memory was 165.2 MB in the beginning and 152.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 94.5 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:28,757 INFO L168 Benchmark]: Sifa took 12184.62 ms. Allocated memory was 224.9 MB in the beginning and 739.2 MB in the end (delta: 514.3 MB). Free memory was 152.3 MB in the beginning and 174.2 MB in the end (delta: -21.9 MB). Peak memory consumption was 492.4 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:28,766 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 105.7 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 609.82 ms. Allocated memory was 136.3 MB in the beginning and 200.8 MB in the end (delta: 64.5 MB). Free memory was 86.0 MB in the beginning and 169.0 MB in the end (delta: -83.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.49 ms. Allocated memory is still 200.8 MB. Free memory was 169.0 MB in the beginning and 165.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1419.36 ms. Allocated memory was 200.8 MB in the beginning and 224.9 MB in the end (delta: 24.1 MB). Free memory was 165.2 MB in the beginning and 152.3 MB in the end (delta: 12.8 MB). Peak memory consumption was 94.5 MB. Max. memory is 7.1 GB. * Sifa took 12184.62 ms. Allocated memory was 224.9 MB in the beginning and 739.2 MB in the end (delta: 514.3 MB). Free memory was 152.3 MB in the beginning and 174.2 MB in the end (delta: -21.9 MB). Peak memory consumption was 492.4 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]: 12135, ICFG_INTERPRETER_ENTERED_PROCEDURES: 11, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 964, DAG_INTERPRETER_EARLY_EXITS: 23, TOOLS_POST_APPLICATIONS: 742, TOOLS_POST_TIME[ms]: 504, TOOLS_POST_CALL_APPLICATIONS: 209, TOOLS_POST_CALL_TIME[ms]: 1456, TOOLS_POST_RETURN_APPLICATIONS: 172, TOOLS_POST_RETURN_TIME[ms]: 318, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1104, TOOLS_QUANTIFIERELIM_TIME[ms]: 1910, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 174, FLUID_QUERY_TIME[ms]: 51, FLUID_QUERIES: 976, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 213, DOMAIN_JOIN_TIME[ms]: 8489, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 488, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 49, DOMAIN_ISBOTTOM_APPLICATIONS: 165, DOMAIN_ISBOTTOM_TIME[ms]: 477, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1428, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1427, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 172, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4653, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4648, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 15, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 118, DAG_COMPRESSION_PROCESSED_NODES: 4095, DAG_COMPRESSION_RETAINED_NODES: 1101 - UnprovableResult [Line: 64]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1632#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...