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 [2019-09-20 15:44:06,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:44:06,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:44:06,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:44:06,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:44:06,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:44:06,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:44:06,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:44:06,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:44:06,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:44:06,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:44:06,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:44:06,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:44:06,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:44:06,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:44:06,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:44:06,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:44:06,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:44:06,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:44:06,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:44:06,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:44:06,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:44:06,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:44:06,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:44:06,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:44:06,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:44:06,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:44:06,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:44:06,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:44:06,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:44:06,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:44:06,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:44:06,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:44:06,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:44:06,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:44:06,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:44:06,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:44:06,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:44:06,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:44:06,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:44:06,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:44:06,135 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 15:44:06,149 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:44:06,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:44:06,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:44:06,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:44:06,151 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:44:06,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:44:06,152 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:44:06,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:44:06,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:44:06,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:44:06,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:44:06,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:44:06,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:44:06,153 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:44:06,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:44:06,154 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:44:06,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:44:06,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:44:06,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:44:06,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:44:06,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:44:06,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:44:06,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:44:06,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:44:06,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:44:06,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:44:06,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:44:06,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:44:06,156 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 [2019-09-20 15:44:06,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:44:06,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:44:06,206 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:44:06,209 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:44:06,210 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:44:06,210 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-20 15:44:06,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73afa1f52/bb4aac644239407a95584810ab8f7aff/FLAG4c5da7a61 [2019-09-20 15:44:06,772 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:44:06,772 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/floppy_simpl3.cil-1.c [2019-09-20 15:44:06,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73afa1f52/bb4aac644239407a95584810ab8f7aff/FLAG4c5da7a61 [2019-09-20 15:44:07,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73afa1f52/bb4aac644239407a95584810ab8f7aff [2019-09-20 15:44:07,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:44:07,104 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:44:07,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:44:07,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:44:07,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:44:07,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:44:07" (1/1) ... [2019-09-20 15:44:07,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550648e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:07, skipping insertion in model container [2019-09-20 15:44:07,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:44:07" (1/1) ... [2019-09-20 15:44:07,119 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:44:07,174 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:44:07,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:44:07,646 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:44:07,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:44:07,762 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:44:07,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:07 WrapperNode [2019-09-20 15:44:07,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:44:07,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:44:07,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:44:07,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:44:07,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:07" (1/1) ... [2019-09-20 15:44:07,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:07" (1/1) ... [2019-09-20 15:44:07,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:07" (1/1) ... [2019-09-20 15:44:07,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:07" (1/1) ... [2019-09-20 15:44:07,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:07" (1/1) ... [2019-09-20 15:44:07,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:07" (1/1) ... [2019-09-20 15:44:07,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:07" (1/1) ... [2019-09-20 15:44:07,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:44:07,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:44:07,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:44:07,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:44:07,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:07" (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 15:44:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:44:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:44:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 15:44:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 15:44:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure FlAcpiConfigureFloppy [2019-09-20 15:44:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2019-09-20 15:44:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnp [2019-09-20 15:44:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyStartDevice [2019-09-20 15:44:07,941 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2019-09-20 15:44:07,942 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2019-09-20 15:44:07,942 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2019-09-20 15:44:07,942 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 15:44:07,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:44:07,942 INFO L138 BoogieDeclarations]: Found implementation of procedure IoBuildDeviceIoControlRequest [2019-09-20 15:44:07,942 INFO L138 BoogieDeclarations]: Found implementation of procedure IoDeleteSymbolicLink [2019-09-20 15:44:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure IoQueryDeviceDescription [2019-09-20 15:44:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure IoRegisterDeviceInterface [2019-09-20 15:44:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2019-09-20 15:44:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 15:44:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 15:44:07,943 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 15:44:07,944 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 15:44:07,944 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 15:44:07,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ObReferenceObjectByHandle [2019-09-20 15:44:07,944 INFO L138 BoogieDeclarations]: Found implementation of procedure PsCreateSystemThread [2019-09-20 15:44:07,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ZwClose [2019-09-20 15:44:07,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:44:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 15:44:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:44:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 15:44:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 15:44:07,945 INFO L130 BoogieDeclarations]: Found specification of procedure FlAcpiConfigureFloppy [2019-09-20 15:44:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2019-09-20 15:44:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnp [2019-09-20 15:44:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyStartDevice [2019-09-20 15:44:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2019-09-20 15:44:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2019-09-20 15:44:07,946 INFO L130 BoogieDeclarations]: Found specification of procedure IoBuildDeviceIoControlRequest [2019-09-20 15:44:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure IoDeleteSymbolicLink [2019-09-20 15:44:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure IoQueryDeviceDescription [2019-09-20 15:44:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure IoRegisterDeviceInterface [2019-09-20 15:44:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2019-09-20 15:44:07,947 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 15:44:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 15:44:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 15:44:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure ObReferenceObjectByHandle [2019-09-20 15:44:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure PsCreateSystemThread [2019-09-20 15:44:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure ZwClose [2019-09-20 15:44:07,948 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 15:44:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 15:44:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 15:44:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2019-09-20 15:44:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 15:44:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:44:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 15:44:07,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:44:07,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:44:08,252 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:08,320 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 15:44:08,321 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 15:44:08,330 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:08,344 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 15:44:08,344 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 15:44:08,353 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:08,597 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2019-09-20 15:44:08,598 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2019-09-20 15:44:08,600 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:08,674 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2019-09-20 15:44:08,674 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2019-09-20 15:44:08,683 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:08,699 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 15:44:08,699 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 15:44:08,790 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:08,803 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 15:44:08,803 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 15:44:08,804 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:08,816 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 15:44:08,816 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 15:44:08,817 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:08,835 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 15:44:08,835 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 15:44:08,880 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:08,919 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 15:44:08,920 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 15:44:08,950 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:08,959 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 15:44:08,959 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 15:44:08,960 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:08,980 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 15:44:08,980 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 15:44:08,981 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:08,994 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2019-09-20 15:44:08,994 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2019-09-20 15:44:09,364 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:44:09,365 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 15:44:09,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:44:09 BoogieIcfgContainer [2019-09-20 15:44:09,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:44:09,367 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:44:09,368 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:44:09,368 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:44:09,369 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:09,370 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 [2019-09-20 15:44:09,417 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:44:09,417 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:44:09,437 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:44:09,446 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:44:09,448 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:44:09,644 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 104 for LOIs [2019-09-20 15:44:12,508 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2019-09-20 15:44:13,214 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2019-09-20 15:44:13,937 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-09-20 15:44:16,151 INFO L199 IcfgInterpreter]: Interpreting procedure FloppyPnp with input of size 90 for LOIs [2019-09-20 15:44:17,661 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 168 [2019-09-20 15:44:19,358 INFO L199 IcfgInterpreter]: Interpreting procedure FloppyStartDevice with input of size 86 for LOIs [2019-09-20 15:44:22,376 INFO L199 IcfgInterpreter]: Interpreting procedure FlFdcDeviceIo with input of size 85 for LOIs [2019-09-20 15:44:22,422 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 90 for LOIs [2019-09-20 15:44:22,504 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 76 for LOIs [2019-09-20 15:44:22,506 INFO L199 IcfgInterpreter]: Interpreting procedure FlQueueIrpToThread with input of size 80 for LOIs [2019-09-20 15:44:22,559 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 9 for LOIs [2019-09-20 15:44:22,560 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 60 for LOIs [2019-09-20 15:44:22,578 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 1 for LOIs [2019-09-20 15:44:22,579 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:44:22,579 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:44:22,581 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1632#true [2019-09-20 15:44:22,599 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:44:22,600 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:44:22,603 INFO L168 Benchmark]: Toolchain (without parser) took 15497.37 ms. Allocated memory was 137.4 MB in the beginning and 759.7 MB in the end (delta: 622.3 MB). Free memory was 84.1 MB in the beginning and 435.6 MB in the end (delta: -351.5 MB). Peak memory consumption was 270.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:44:22,605 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:44:22,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.02 ms. Allocated memory was 137.4 MB in the beginning and 198.7 MB in the end (delta: 61.3 MB). Free memory was 83.8 MB in the beginning and 166.5 MB in the end (delta: -82.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:44:22,608 INFO L168 Benchmark]: Boogie Preprocessor took 110.21 ms. Allocated memory is still 198.7 MB. Free memory was 166.5 MB in the beginning and 163.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:44:22,615 INFO L168 Benchmark]: RCFGBuilder took 1492.97 ms. Allocated memory was 198.7 MB in the beginning and 218.6 MB in the end (delta: 19.9 MB). Free memory was 163.1 MB in the beginning and 149.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 98.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:44:22,617 INFO L168 Benchmark]: Sifa took 13232.58 ms. Allocated memory was 218.6 MB in the beginning and 759.7 MB in the end (delta: 541.1 MB). Free memory was 149.9 MB in the beginning and 435.6 MB in the end (delta: -285.7 MB). Peak memory consumption was 255.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:44:22,632 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.02 ms. Allocated memory was 137.4 MB in the beginning and 198.7 MB in the end (delta: 61.3 MB). Free memory was 83.8 MB in the beginning and 166.5 MB in the end (delta: -82.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.21 ms. Allocated memory is still 198.7 MB. Free memory was 166.5 MB in the beginning and 163.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1492.97 ms. Allocated memory was 198.7 MB in the beginning and 218.6 MB in the end (delta: 19.9 MB). Free memory was 163.1 MB in the beginning and 149.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 98.7 MB. Max. memory is 7.1 GB. * Sifa took 13232.58 ms. Allocated memory was 218.6 MB in the beginning and 759.7 MB in the end (delta: 541.1 MB). Free memory was 149.9 MB in the beginning and 435.6 MB in the end (delta: -285.7 MB). Peak memory consumption was 255.4 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]: 13165, ICFG_INTERPRETER_ENTERED_PROCEDURES: 11, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 964, DAG_INTERPRETER_EARLY_EXITS: 23, TOOLS_POST_APPLICATIONS: 742, TOOLS_POST_TIME[ms]: 533, TOOLS_POST_CALL_APPLICATIONS: 209, TOOLS_POST_CALL_TIME[ms]: 1580, TOOLS_POST_RETURN_APPLICATIONS: 172, TOOLS_POST_RETURN_TIME[ms]: 425, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1104, TOOLS_QUANTIFIERELIM_TIME[ms]: 2100, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 154, FLUID_QUERY_TIME[ms]: 31, FLUID_QUERIES: 976, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 213, DOMAIN_JOIN_TIME[ms]: 9049, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 746, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 65, DOMAIN_ISBOTTOM_APPLICATIONS: 165, DOMAIN_ISBOTTOM_TIME[ms]: 429, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2074, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2073, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 172, CALL_SUMMARIZER_CACHE_MISSES: 24, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5602, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5599, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 15, REGEX_TO_DAG_TIME[ms]: 11, DAG_COMPRESSION_TIME[ms]: 106, 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...