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/kbfiltr_simpl2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 08:27:15,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 08:27:15,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 08:27:15,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 08:27:15,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 08:27:15,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 08:27:15,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 08:27:15,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 08:27:15,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 08:27:15,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 08:27:15,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 08:27:15,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 08:27:15,497 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 08:27:15,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 08:27:15,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 08:27:15,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 08:27:15,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 08:27:15,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 08:27:15,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 08:27:15,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 08:27:15,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 08:27:15,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 08:27:15,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 08:27:15,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 08:27:15,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 08:27:15,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 08:27:15,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 08:27:15,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 08:27:15,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 08:27:15,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 08:27:15,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 08:27:15,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 08:27:15,519 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 08:27:15,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 08:27:15,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 08:27:15,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 08:27:15,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 08:27:15,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 08:27:15,522 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 08:27:15,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 08:27:15,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 08:27:15,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 08:27:15,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 08:27:15,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 08:27:15,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 08:27:15,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 08:27:15,541 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 08:27:15,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 08:27:15,541 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 08:27:15,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 08:27:15,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 08:27:15,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 08:27:15,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 08:27:15,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 08:27:15,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 08:27:15,543 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 08:27:15,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 08:27:15,543 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 08:27:15,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 08:27:15,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 08:27:15,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 08:27:15,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 08:27:15,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 08:27:15,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:27:15,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 08:27:15,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 08:27:15,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 08:27:15,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 08:27:15,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 08:27:15,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 08:27:15,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 08:27:15,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 08:27:15,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 08:27:15,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 08:27:15,607 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 08:27:15,608 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 08:27:15,608 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-21 08:27:15,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a542d83f/79f99b594ad94a61b3ec98ad1fa17312/FLAG96eeb906b [2019-09-21 08:27:16,107 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 08:27:16,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-21 08:27:16,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a542d83f/79f99b594ad94a61b3ec98ad1fa17312/FLAG96eeb906b [2019-09-21 08:27:16,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a542d83f/79f99b594ad94a61b3ec98ad1fa17312 [2019-09-21 08:27:16,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 08:27:16,493 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 08:27:16,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 08:27:16,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 08:27:16,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 08:27:16,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:27:16" (1/1) ... [2019-09-21 08:27:16,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be51665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:16, skipping insertion in model container [2019-09-21 08:27:16,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 08:27:16" (1/1) ... [2019-09-21 08:27:16,511 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 08:27:16,575 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 08:27:17,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:27:17,038 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 08:27:17,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 08:27:17,188 INFO L192 MainTranslator]: Completed translation [2019-09-21 08:27:17,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:17 WrapperNode [2019-09-21 08:27:17,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 08:27:17,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 08:27:17,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 08:27:17,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 08:27:17,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:17" (1/1) ... [2019-09-21 08:27:17,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:17" (1/1) ... [2019-09-21 08:27:17,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:17" (1/1) ... [2019-09-21 08:27:17,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:17" (1/1) ... [2019-09-21 08:27:17,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:17" (1/1) ... [2019-09-21 08:27:17,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:17" (1/1) ... [2019-09-21 08:27:17,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:17" (1/1) ... [2019-09-21 08:27:17,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 08:27:17,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 08:27:17,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 08:27:17,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 08:27:17,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 08:27:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 08:27:17,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 08:27:17,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 08:27:17,341 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-21 08:27:17,341 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-21 08:27:17,341 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-21 08:27:17,341 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 08:27:17,341 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-21 08:27:17,341 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-21 08:27:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-21 08:27:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-21 08:27:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-21 08:27:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-21 08:27:17,342 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-21 08:27:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-21 08:27:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-21 08:27:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-21 08:27:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-21 08:27:17,343 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-21 08:27:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 08:27:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-21 08:27:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 08:27:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-21 08:27:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-21 08:27:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-21 08:27:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-21 08:27:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-21 08:27:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-21 08:27:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-21 08:27:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-21 08:27:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-21 08:27:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-21 08:27:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-21 08:27:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-21 08:27:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-21 08:27:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-21 08:27:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-21 08:27:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-21 08:27:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 08:27:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-21 08:27:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 08:27:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 08:27:17,655 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:17,723 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-21 08:27:17,723 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-21 08:27:17,745 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:17,884 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-21 08:27:17,884 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-21 08:27:17,886 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:17,936 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-21 08:27:17,937 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-21 08:27:17,947 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:17,991 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-21 08:27:17,991 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-21 08:27:18,078 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:18,098 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-21 08:27:18,098 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-21 08:27:18,129 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 08:27:18,245 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-21 08:27:18,245 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-21 08:27:18,723 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 08:27:18,724 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-21 08:27:18,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:27:18 BoogieIcfgContainer [2019-09-21 08:27:18,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 08:27:18,728 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 08:27:18,728 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 08:27:18,728 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 08:27:18,730 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 08:27:18" (1/1) ... [2019-09-21 08:27:18,730 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 08:27:18,758 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 08:27:18,758 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 08:27:18,770 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 08:27:18,778 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 08:27:18,779 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 08:27:18,930 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-21 08:27:21,104 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 72 for LOIs [2019-09-21 08:27:21,284 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 66 for LOIs [2019-09-21 08:27:21,323 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_InternIoCtl with input of size 68 for LOIs [2019-09-21 08:27:22,378 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 80 for LOIs [2019-09-21 08:27:22,391 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_CreateClose with input of size 68 for LOIs [2019-09-21 08:27:22,468 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_DispatchPassThrough with input of size 80 for LOIs [2019-09-21 08:27:22,525 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 83 for LOIs [2019-09-21 08:27:22,611 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_Power with input of size 66 for LOIs [2019-09-21 08:27:22,622 INFO L199 IcfgInterpreter]: Interpreting procedure PoCallDriver with input of size 66 for LOIs [2019-09-21 08:27:22,631 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 71 for LOIs [2019-09-21 08:27:22,634 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 1 for LOIs [2019-09-21 08:27:22,634 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 08:27:22,635 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 08:27:22,637 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 759#true [2019-09-21 08:27:22,650 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 08:27:22,651 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 08:27:22,653 INFO L168 Benchmark]: Toolchain (without parser) took 6159.45 ms. Allocated memory was 137.4 MB in the beginning and 415.8 MB in the end (delta: 278.4 MB). Free memory was 83.9 MB in the beginning and 176.4 MB in the end (delta: -92.4 MB). Peak memory consumption was 186.0 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:22,655 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 08:27:22,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 695.56 ms. Allocated memory was 137.4 MB in the beginning and 199.2 MB in the end (delta: 61.9 MB). Free memory was 83.7 MB in the beginning and 170.1 MB in the end (delta: -86.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:22,656 INFO L168 Benchmark]: Boogie Preprocessor took 86.73 ms. Allocated memory is still 199.2 MB. Free memory was 170.1 MB in the beginning and 167.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:22,657 INFO L168 Benchmark]: RCFGBuilder took 1447.46 ms. Allocated memory was 199.2 MB in the beginning and 218.6 MB in the end (delta: 19.4 MB). Free memory was 167.4 MB in the beginning and 154.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 102.3 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:22,658 INFO L168 Benchmark]: Sifa took 3923.20 ms. Allocated memory was 218.6 MB in the beginning and 415.8 MB in the end (delta: 197.1 MB). Free memory was 154.9 MB in the beginning and 176.4 MB in the end (delta: -21.4 MB). Peak memory consumption was 175.7 MB. Max. memory is 7.1 GB. [2019-09-21 08:27:22,663 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 695.56 ms. Allocated memory was 137.4 MB in the beginning and 199.2 MB in the end (delta: 61.9 MB). Free memory was 83.7 MB in the beginning and 170.1 MB in the end (delta: -86.4 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.73 ms. Allocated memory is still 199.2 MB. Free memory was 170.1 MB in the beginning and 167.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1447.46 ms. Allocated memory was 199.2 MB in the beginning and 218.6 MB in the end (delta: 19.4 MB). Free memory was 167.4 MB in the beginning and 154.9 MB in the end (delta: 12.5 MB). Peak memory consumption was 102.3 MB. Max. memory is 7.1 GB. * Sifa took 3923.20 ms. Allocated memory was 218.6 MB in the beginning and 415.8 MB in the end (delta: 197.1 MB). Free memory was 154.9 MB in the beginning and 176.4 MB in the end (delta: -21.4 MB). Peak memory consumption was 175.7 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]: 3879, ICFG_INTERPRETER_ENTERED_PROCEDURES: 13, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 404, DAG_INTERPRETER_EARLY_EXITS: 25, TOOLS_POST_APPLICATIONS: 329, TOOLS_POST_TIME[ms]: 201, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 355, TOOLS_POST_RETURN_APPLICATIONS: 46, TOOLS_POST_RETURN_TIME[ms]: 87, TOOLS_QUANTIFIERELIM_APPLICATIONS: 429, TOOLS_QUANTIFIERELIM_TIME[ms]: 438, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27, FLUID_QUERY_TIME[ms]: 21, FLUID_QUERIES: 404, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 115, DOMAIN_JOIN_TIME[ms]: 2682, 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: 144, DOMAIN_ISBOTTOM_TIME[ms]: 324, 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: 46, CALL_SUMMARIZER_CACHE_MISSES: 16, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1491, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1491, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 80, 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 759#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...