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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:25:35,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:25:35,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:25:35,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:25:35,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:25:35,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:25:35,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:25:35,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:25:35,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:25:35,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:25:35,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:25:35,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:25:35,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:25:35,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:25:35,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:25:35,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:25:35,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:25:35,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:25:35,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:25:35,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:25:35,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:25:35,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:25:35,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:25:35,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:25:35,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:25:35,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:25:35,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:25:35,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:25:35,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:25:35,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:25:35,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:25:35,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:25:35,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:25:35,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:25:35,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:25:35,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:25:35,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:25:35,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:25:35,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:25:35,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:25:35,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:25:35,601 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 [2019-09-20 22:25:35,615 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:25:35,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:25:35,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:25:35,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:25:35,617 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:25:35,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:25:35,617 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:25:35,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:25:35,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:25:35,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:25:35,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:25:35,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:25:35,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:25:35,619 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:25:35,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:25:35,619 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:25:35,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:25:35,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:25:35,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:25:35,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:25:35,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:25:35,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:25:35,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:25:35,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:25:35,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:25:35,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:25:35,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:25:35,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:25:35,621 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:25:35,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:25:35,666 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:25:35,670 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:25:35,674 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:25:35,674 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:25:35,675 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-20 22:25:35,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b76dd29ca/14adcb191e0e4a0182e88ea5402038d7/FLAGb6d3ae8f3 [2019-09-20 22:25:36,320 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:25:36,324 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-20 22:25:36,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b76dd29ca/14adcb191e0e4a0182e88ea5402038d7/FLAGb6d3ae8f3 [2019-09-20 22:25:36,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b76dd29ca/14adcb191e0e4a0182e88ea5402038d7 [2019-09-20 22:25:36,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:25:36,621 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:25:36,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:25:36,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:25:36,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:25:36,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:25:36" (1/1) ... [2019-09-20 22:25:36,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5675f663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:36, skipping insertion in model container [2019-09-20 22:25:36,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:25:36" (1/1) ... [2019-09-20 22:25:36,637 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:25:36,697 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:25:37,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:25:37,147 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:25:37,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:25:37,273 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:25:37,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:37 WrapperNode [2019-09-20 22:25:37,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:25:37,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:25:37,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:25:37,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:25:37,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:37" (1/1) ... [2019-09-20 22:25:37,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:37" (1/1) ... [2019-09-20 22:25:37,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:37" (1/1) ... [2019-09-20 22:25:37,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:37" (1/1) ... [2019-09-20 22:25:37,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:37" (1/1) ... [2019-09-20 22:25:37,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:37" (1/1) ... [2019-09-20 22:25:37,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:37" (1/1) ... [2019-09-20 22:25:37,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:25:37,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:25:37,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:25:37,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:25:37,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:37" (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 [2019-09-20 22:25:37,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:25:37,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:25:37,434 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 22:25:37,434 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 22:25:37,434 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-09-20 22:25:37,434 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-09-20 22:25:37,434 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-09-20 22:25:37,435 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-09-20 22:25:37,435 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-09-20 22:25:37,435 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-09-20 22:25:37,435 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-09-20 22:25:37,435 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 22:25:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:25:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-09-20 22:25:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-09-20 22:25:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-09-20 22:25:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-09-20 22:25:37,436 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-09-20 22:25:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 22:25:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 22:25:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 22:25:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 22:25:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 22:25:37,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-09-20 22:25:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-09-20 22:25:37,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-09-20 22:25:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:25:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 22:25:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:25:37,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 22:25:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 22:25:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-09-20 22:25:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-09-20 22:25:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-09-20 22:25:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-09-20 22:25:37,439 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-09-20 22:25:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-09-20 22:25:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-09-20 22:25:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-09-20 22:25:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-09-20 22:25:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-09-20 22:25:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-09-20 22:25:37,440 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 22:25:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 22:25:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 22:25:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-09-20 22:25:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-09-20 22:25:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-09-20 22:25:37,441 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 22:25:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 22:25:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 22:25:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-09-20 22:25:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 22:25:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:25:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 22:25:37,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:25:37,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:25:37,692 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:37,762 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 22:25:37,763 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 22:25:37,774 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:37,791 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 22:25:37,791 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 22:25:37,800 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:38,080 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-09-20 22:25:38,081 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-09-20 22:25:38,090 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:38,257 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-09-20 22:25:38,257 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-09-20 22:25:38,282 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:38,317 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 22:25:38,317 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 22:25:38,419 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:38,436 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 22:25:38,436 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 22:25:38,437 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:38,450 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 22:25:38,451 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 22:25:38,451 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:38,466 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 22:25:38,467 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 22:25:38,512 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:38,547 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 22:25:38,548 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 22:25:38,594 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:38,602 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 22:25:38,602 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 22:25:38,603 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:38,615 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 22:25:38,615 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 22:25:38,616 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:38,622 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 22:25:38,622 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 22:25:38,961 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:25:38,961 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 22:25:38,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:25:38 BoogieIcfgContainer [2019-09-20 22:25:38,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:25:38,964 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:25:38,964 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:25:38,964 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:25:38,966 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:25:38" (1/1) ... [2019-09-20 22:25:38,966 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-20 22:25:38,997 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:25:38,997 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:25:39,011 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:25:39,021 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:25:39,023 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:25:39,276 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 76 for LOIs [2019-09-20 22:25:42,735 INFO L199 IcfgInterpreter]: Interpreting procedure FloppyPnp with input of size 25 for LOIs [2019-09-20 22:25:43,448 INFO L199 IcfgInterpreter]: Interpreting procedure FloppyStartDevice with input of size 19 for LOIs [2019-09-20 22:25:44,497 INFO L199 IcfgInterpreter]: Interpreting procedure FlFdcDeviceIo with input of size 13 for LOIs [2019-09-20 22:25:44,600 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 10 for LOIs [2019-09-20 22:25:44,872 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 3 for LOIs [2019-09-20 22:25:44,878 INFO L199 IcfgInterpreter]: Interpreting procedure FlQueueIrpToThread with input of size 10 for LOIs [2019-09-20 22:25:44,912 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 7 for LOIs [2019-09-20 22:25:44,915 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 25 for LOIs [2019-09-20 22:25:44,926 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 1 for LOIs [2019-09-20 22:25:44,929 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:25:44,929 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:25:44,932 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2723#true [2019-09-20 22:25:44,946 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:25:44,947 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:25:44,950 INFO L168 Benchmark]: Toolchain (without parser) took 8328.17 ms. Allocated memory was 141.6 MB in the beginning and 360.2 MB in the end (delta: 218.6 MB). Free memory was 87.0 MB in the beginning and 247.6 MB in the end (delta: -160.6 MB). Peak memory consumption was 58.0 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:44,951 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:25:44,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.71 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 86.8 MB in the beginning and 167.6 MB in the end (delta: -80.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:44,953 INFO L168 Benchmark]: Boogie Preprocessor took 80.14 ms. Allocated memory is still 200.8 MB. Free memory was 167.6 MB in the beginning and 164.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:44,954 INFO L168 Benchmark]: RCFGBuilder took 1608.23 ms. Allocated memory was 200.8 MB in the beginning and 229.1 MB in the end (delta: 28.3 MB). Free memory was 163.5 MB in the beginning and 150.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:44,955 INFO L168 Benchmark]: Sifa took 5983.08 ms. Allocated memory was 229.1 MB in the beginning and 360.2 MB in the end (delta: 131.1 MB). Free memory was 150.4 MB in the beginning and 247.6 MB in the end (delta: -97.3 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:44,959 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 652.71 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 86.8 MB in the beginning and 167.6 MB in the end (delta: -80.8 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.14 ms. Allocated memory is still 200.8 MB. Free memory was 167.6 MB in the beginning and 164.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1608.23 ms. Allocated memory was 200.8 MB in the beginning and 229.1 MB in the end (delta: 28.3 MB). Free memory was 163.5 MB in the beginning and 150.4 MB in the end (delta: 13.1 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. * Sifa took 5983.08 ms. Allocated memory was 229.1 MB in the beginning and 360.2 MB in the end (delta: 131.1 MB). Free memory was 150.4 MB in the beginning and 247.6 MB in the end (delta: -97.3 MB). Peak memory consumption was 33.8 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]: 5935, ICFG_INTERPRETER_ENTERED_PROCEDURES: 11, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 970, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 742, TOOLS_POST_TIME[ms]: 217, TOOLS_POST_CALL_APPLICATIONS: 215, TOOLS_POST_CALL_TIME[ms]: 164, TOOLS_POST_RETURN_APPLICATIONS: 173, TOOLS_POST_RETURN_TIME[ms]: 162, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1130, TOOLS_QUANTIFIERELIM_TIME[ms]: 335, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 33, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 976, FLUID_YES_ANSWERS: 976, DOMAIN_JOIN_APPLICATIONS: 288, DOMAIN_JOIN_TIME[ms]: 3609, DOMAIN_ALPHA_APPLICATIONS: 976, DOMAIN_ALPHA_TIME[ms]: 1312, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 6, DOMAIN_ISSUBSETEQ_TIME[ms]: 2, DOMAIN_ISBOTTOM_APPLICATIONS: 178, DOMAIN_ISBOTTOM_TIME[ms]: 146, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 151, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 150, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 6, CALL_SUMMARIZER_APPLICATIONS: 173, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3157, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3156, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 16, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 111, 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 2723#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...