java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --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/kbfiltr_simpl2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:10:27,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:10:27,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:10:27,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:10:27,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:10:27,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:10:27,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:10:27,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:10:27,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:10:27,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:10:27,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:10:27,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:10:27,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:10:27,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:10:27,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:10:27,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:10:27,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:10:27,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:10:27,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:10:27,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:10:27,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:10:27,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:10:27,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:10:27,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:10:27,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:10:27,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:10:27,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:10:27,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:10:27,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:10:27,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:10:27,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:10:27,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:10:27,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:10:27,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:10:27,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:10:27,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:10:27,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:10:27,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:10:27,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:10:27,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:10:27,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:10:27,522 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 09:10:27,536 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:10:27,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:10:27,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:10:27,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:10:27,539 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:10:27,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:10:27,540 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:10:27,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:10:27,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:10:27,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:10:27,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:10:27,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:10:27,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:10:27,543 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:10:27,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:10:27,543 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:10:27,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:10:27,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:10:27,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:10:27,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:10:27,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:10:27,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:10:27,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:10:27,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:10:27,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:10:27,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:10:27,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:10:27,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:10:27,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 09:10:27,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:10:27,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:10:27,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:10:27,605 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:10:27,605 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:10:27,606 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-21 09:10:27,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f071cc33c/ee202935b8704d6cbd3816742af4c3c1/FLAG290d9d0c4 [2019-09-21 09:10:28,217 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:10:28,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-21 09:10:28,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f071cc33c/ee202935b8704d6cbd3816742af4c3c1/FLAG290d9d0c4 [2019-09-21 09:10:28,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f071cc33c/ee202935b8704d6cbd3816742af4c3c1 [2019-09-21 09:10:28,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:10:28,550 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:10:28,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:10:28,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:10:28,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:10:28,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:10:28" (1/1) ... [2019-09-21 09:10:28,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e572f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:28, skipping insertion in model container [2019-09-21 09:10:28,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:10:28" (1/1) ... [2019-09-21 09:10:28,566 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:10:28,629 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:10:29,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:10:29,220 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:10:29,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:10:29,347 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:10:29,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29 WrapperNode [2019-09-21 09:10:29,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:10:29,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:10:29,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:10:29,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:10:29,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29" (1/1) ... [2019-09-21 09:10:29,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29" (1/1) ... [2019-09-21 09:10:29,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29" (1/1) ... [2019-09-21 09:10:29,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29" (1/1) ... [2019-09-21 09:10:29,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29" (1/1) ... [2019-09-21 09:10:29,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29" (1/1) ... [2019-09-21 09:10:29,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29" (1/1) ... [2019-09-21 09:10:29,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:10:29,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:10:29,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:10:29,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:10:29,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29" (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 09:10:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:10:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:10:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-21 09:10:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-21 09:10:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-21 09:10:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:10:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-21 09:10:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-21 09:10:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-21 09:10:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-21 09:10:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-21 09:10:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-21 09:10:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-21 09:10:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-21 09:10:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-21 09:10:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-21 09:10:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-21 09:10:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-21 09:10:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:10:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-21 09:10:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:10:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-21 09:10:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-21 09:10:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-21 09:10:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-21 09:10:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-21 09:10:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-21 09:10:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-21 09:10:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-21 09:10:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-21 09:10:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-21 09:10:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-21 09:10:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-21 09:10:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-21 09:10:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-21 09:10:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-21 09:10:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-21 09:10:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:10:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-21 09:10:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:10:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:10:29,793 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:10:29,871 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-21 09:10:29,872 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-21 09:10:29,913 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:10:30,056 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-21 09:10:30,056 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-21 09:10:30,057 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:10:30,106 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-21 09:10:30,106 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-21 09:10:30,113 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:10:30,179 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-21 09:10:30,179 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-21 09:10:30,277 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:10:30,296 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-21 09:10:30,297 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-21 09:10:30,325 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:10:30,445 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-21 09:10:30,446 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-21 09:10:30,921 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:10:30,922 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-21 09:10:30,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:10:30 BoogieIcfgContainer [2019-09-21 09:10:30,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:10:30,924 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:10:30,924 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:10:30,924 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:10:30,925 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:10:30" (1/1) ... [2019-09-21 09:10:30,926 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:10:30,951 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:10:30,951 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:10:30,970 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:10:30,979 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:10:30,983 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:10:31,182 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-21 09:10:31,217 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 97 for LOIs [2019-09-21 09:10:32,885 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 85 for LOIs [2019-09-21 09:10:33,350 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 83 for LOIs [2019-09-21 09:10:33,383 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_InternIoCtl with input of size 81 for LOIs [2019-09-21 09:10:34,011 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 86 for LOIs [2019-09-21 09:10:34,024 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_CreateClose with input of size 85 for LOIs [2019-09-21 09:10:34,143 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_DispatchPassThrough with input of size 81 for LOIs [2019-09-21 09:10:34,214 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 92 for LOIs [2019-09-21 09:10:34,298 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_Power with input of size 79 for LOIs [2019-09-21 09:10:34,355 INFO L199 IcfgInterpreter]: Interpreting procedure PoCallDriver with input of size 84 for LOIs [2019-09-21 09:10:34,382 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 77 for LOIs [2019-09-21 09:10:34,395 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 78 for LOIs [2019-09-21 09:10:34,406 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:10:34,407 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:10:34,423 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 593#(or (and (<= 0 ~compFptr~0) (<= 1 ~NP~0) (<= ~compFptr~0 0) (<= 5 ~MPR1~0) (<= 0 ~lowerDriverReturn~0) (<= 0 ~compRegistered~0) (<= 1 ~s~0) (<= ~myStatus~0 0) (<= 0 ~UNLOADED~0) (<= ~IPC~0 7) (<= ~NP~0 1) (<= 0 ~KernelMode~0) (<= ~MPR3~0 6) (<= ~Executive~0 0) (<= ~MPR1~0 5) (<= 1 ~setEventCalled~0) (<= 6 ~MPR3~0) (<= ~compRegistered~0 1) (<= 0 ~pended~0) (<= ~DC~0 2) (<= 1 ~DevicePowerState~0) (<= 0 (+ ~myStatus~0 1073741637)) (<= 7 ~IPC~0) (<= ~KernelMode~0 0) (<= 2 ~DC~0) (<= ~customIrp~0 0) (<= ~DevicePowerState~0 1) (<= 0 ~Executive~0) (<= ~lowerDriverReturn~0 0) (<= ~pended~0 0) (<= ~s~0 3) (<= 4 ~SKIP2~0) (<= 3 ~SKIP1~0) (<= ~SKIP1~0 3) (<= ~UNLOADED~0 0) (<= 0 ~customIrp~0) (<= ~SKIP2~0 4) (<= ~setEventCalled~0 1)) (and (<= 0 ~compFptr~0) (<= 1 ~NP~0) (<= ~compFptr~0 0) (<= 5 ~MPR1~0) (<= ~lowerDriverReturn~0 259) (<= 0 ~compRegistered~0) (<= ~myStatus~0 259) (<= 0 (+ ~myStatus~0 1073741823)) (<= 0 ~UNLOADED~0) (<= ~IPC~0 7) (<= ~NP~0 1) (<= 0 ~KernelMode~0) (<= ~MPR3~0 6) (<= ~Executive~0 0) (<= ~MPR1~0 5) (<= 6 ~MPR3~0) (<= ~compRegistered~0 1) (<= 0 ~pended~0) (<= ~DC~0 2) (<= 1 ~DevicePowerState~0) (<= 7 ~IPC~0) (<= ~KernelMode~0 0) (<= 2 ~DC~0) (<= ~DevicePowerState~0 1) (<= 0 ~Executive~0) (<= ~pended~0 0) (<= 0 (+ ~lowerDriverReturn~0 1073741823)) (<= 4 ~SKIP2~0) (<= 3 ~SKIP1~0) (<= ~SKIP1~0 3) (<= ~UNLOADED~0 0) (<= ~SKIP2~0 4))) [2019-09-21 09:10:34,446 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:10:34,446 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:10:34,450 INFO L168 Benchmark]: Toolchain (without parser) took 5898.17 ms. Allocated memory was 130.5 MB in the beginning and 339.2 MB in the end (delta: 208.7 MB). Free memory was 85.8 MB in the beginning and 94.5 MB in the end (delta: -8.7 MB). Peak memory consumption was 200.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:10:34,452 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:10:34,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.18 ms. Allocated memory was 130.5 MB in the beginning and 201.3 MB in the end (delta: 70.8 MB). Free memory was 85.6 MB in the beginning and 169.0 MB in the end (delta: -83.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:10:34,454 INFO L168 Benchmark]: Boogie Preprocessor took 68.79 ms. Allocated memory is still 201.3 MB. Free memory was 169.0 MB in the beginning and 165.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:10:34,459 INFO L168 Benchmark]: RCFGBuilder took 1505.98 ms. Allocated memory was 201.3 MB in the beginning and 220.2 MB in the end (delta: 18.9 MB). Free memory was 165.7 MB in the beginning and 152.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. [2019-09-21 09:10:34,461 INFO L168 Benchmark]: Sifa took 3522.87 ms. Allocated memory was 220.2 MB in the beginning and 339.2 MB in the end (delta: 119.0 MB). Free memory was 152.9 MB in the beginning and 94.5 MB in the end (delta: 58.5 MB). Peak memory consumption was 177.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:10:34,469 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 797.18 ms. Allocated memory was 130.5 MB in the beginning and 201.3 MB in the end (delta: 70.8 MB). Free memory was 85.6 MB in the beginning and 169.0 MB in the end (delta: -83.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.79 ms. Allocated memory is still 201.3 MB. Free memory was 169.0 MB in the beginning and 165.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1505.98 ms. Allocated memory was 201.3 MB in the beginning and 220.2 MB in the end (delta: 18.9 MB). Free memory was 165.7 MB in the beginning and 152.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 98.9 MB. Max. memory is 7.1 GB. * Sifa took 3522.87 ms. Allocated memory was 220.2 MB in the beginning and 339.2 MB in the end (delta: 119.0 MB). Free memory was 152.9 MB in the beginning and 94.5 MB in the end (delta: 58.5 MB). Peak memory consumption was 177.5 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]: 3475, ICFG_INTERPRETER_ENTERED_PROCEDURES: 13, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 418, DAG_INTERPRETER_EARLY_EXITS: 20, TOOLS_POST_APPLICATIONS: 333, TOOLS_POST_TIME[ms]: 244, TOOLS_POST_CALL_APPLICATIONS: 81, TOOLS_POST_CALL_TIME[ms]: 385, TOOLS_POST_RETURN_APPLICATIONS: 51, TOOLS_POST_RETURN_TIME[ms]: 107, TOOLS_QUANTIFIERELIM_APPLICATIONS: 446, TOOLS_QUANTIFIERELIM_TIME[ms]: 534, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 26, FLUID_QUERY_TIME[ms]: 27, FLUID_QUERIES: 418, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 126, DOMAIN_JOIN_TIME[ms]: 2049, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 145, DOMAIN_ISBOTTOM_TIME[ms]: 380, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 51, CALL_SUMMARIZER_CACHE_MISSES: 16, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1084, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1084, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 106, DAG_COMPRESSION_PROCESSED_NODES: 1977, DAG_COMPRESSION_RETAINED_NODES: 427 - UnprovableResult [Line: 1012]: 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 593#(or (and (<= 0 ~compFptr~0) (<= 1 ~NP~0) (<= ~compFptr~0 0) (<= 5 ~MPR1~0) (<= 0 ~lowerDriverReturn~0) (<= 0 ~compRegistered~0) (<= 1 ~s~0) (<= ~myStatus~0 0) (<= 0 ~UNLOADED~0) (<= ~IPC~0 7) (<= ~NP~0 1) (<= 0 ~KernelMode~0) (<= ~MPR3~0 6) (<= ~Executive~0 0) (<= ~MPR1~0 5) (<= 1 ~setEventCalled~0) (<= 6 ~MPR3~0) (<= ~compRegistered~0 1) (<= 0 ~pended~0) (<= ~DC~0 2) (<= 1 ~DevicePowerState~0) (<= 0 (+ ~myStatus~0 1073741637)) (<= 7 ~IPC~0) (<= ~KernelMode~0 0) (<= 2 ~DC~0) (<= ~customIrp~0 0) (<= ~DevicePowerState~0 1) (<= 0 ~Executive~0) (<= ~lowerDriverReturn~0 0) (<= ~pended~0 0) (<= ~s~0 3) (<= 4 ~SKIP2~0) (<= 3 ~SKIP1~0) (<= ~SKIP1~0 3) (<= ~UNLOADED~0 0) (<= 0 ~customIrp~0) (<= ~SKIP2~0 4) (<= ~setEventCalled~0 1)) (and (<= 0 ~compFptr~0) (<= 1 ~NP~0) (<= ~compFptr~0 0) (<= 5 ~MPR1~0) (<= ~lowerDriverReturn~0 259) (<= 0 ~compRegistered~0) (<= ~myStatus~0 259) (<= 0 (+ ~myStatus~0 1073741823)) (<= 0 ~UNLOADED~0) (<= ~IPC~0 7) (<= ~NP~0 1) (<= 0 ~KernelMode~0) (<= ~MPR3~0 6) (<= ~Executive~0 0) (<= ~MPR1~0 5) (<= 6 ~MPR3~0) (<= ~compRegistered~0 1) (<= 0 ~pended~0) (<= ~DC~0 2) (<= 1 ~DevicePowerState~0) (<= 7 ~IPC~0) (<= ~KernelMode~0 0) (<= 2 ~DC~0) (<= ~DevicePowerState~0 1) (<= 0 ~Executive~0) (<= ~pended~0 0) (<= 0 (+ ~lowerDriverReturn~0 1073741823)) (<= 4 ~SKIP2~0) (<= 3 ~SKIP1~0) (<= ~SKIP1~0 3) (<= ~UNLOADED~0 0) (<= ~SKIP2~0 4))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...