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 NONE -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 02:06:52,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 02:06:52,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 02:06:52,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 02:06:52,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 02:06:52,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 02:06:52,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 02:06:52,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 02:06:52,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 02:06:52,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 02:06:52,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 02:06:52,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 02:06:52,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 02:06:52,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 02:06:52,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 02:06:52,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 02:06:52,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 02:06:52,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 02:06:52,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 02:06:52,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 02:06:52,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 02:06:52,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 02:06:52,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 02:06:52,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 02:06:52,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 02:06:52,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 02:06:52,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 02:06:52,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 02:06:52,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 02:06:52,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 02:06:52,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 02:06:52,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 02:06:52,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 02:06:52,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 02:06:52,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 02:06:52,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 02:06:52,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 02:06:52,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 02:06:52,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 02:06:52,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 02:06:52,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 02:06:52,635 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 [2019-09-17 02:06:52,660 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 02:06:52,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 02:06:52,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 02:06:52,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 02:06:52,666 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 02:06:52,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 02:06:52,666 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 02:06:52,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 02:06:52,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 02:06:52,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 02:06:52,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 02:06:52,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 02:06:52,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 02:06:52,669 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 02:06:52,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 02:06:52,669 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 02:06:52,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 02:06:52,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 02:06:52,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 02:06:52,670 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 02:06:52,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 02:06:52,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 02:06:52,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 02:06:52,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 02:06:52,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 02:06:52,672 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 02:06:52,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 02:06:52,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 02:06:52,672 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 -> NONE [2019-09-17 02:06:52,721 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 02:06:52,734 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 02:06:52,738 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 02:06:52,739 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 02:06:52,740 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 02:06:52,740 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-17 02:06:52,812 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f2f5fab/7f91d28dede04988b0911ae3e9d595cf/FLAG31be6e9ca [2019-09-17 02:06:53,341 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 02:06:53,342 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-17 02:06:53,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f2f5fab/7f91d28dede04988b0911ae3e9d595cf/FLAG31be6e9ca [2019-09-17 02:06:53,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80f2f5fab/7f91d28dede04988b0911ae3e9d595cf [2019-09-17 02:06:53,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 02:06:53,655 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 02:06:53,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 02:06:53,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 02:06:53,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 02:06:53,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:06:53" (1/1) ... [2019-09-17 02:06:53,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb381e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:53, skipping insertion in model container [2019-09-17 02:06:53,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 02:06:53" (1/1) ... [2019-09-17 02:06:53,672 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 02:06:53,737 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 02:06:54,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:06:54,101 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 02:06:54,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 02:06:54,257 INFO L192 MainTranslator]: Completed translation [2019-09-17 02:06:54,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:54 WrapperNode [2019-09-17 02:06:54,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 02:06:54,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 02:06:54,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 02:06:54,259 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 02:06:54,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:54" (1/1) ... [2019-09-17 02:06:54,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:54" (1/1) ... [2019-09-17 02:06:54,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:54" (1/1) ... [2019-09-17 02:06:54,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:54" (1/1) ... [2019-09-17 02:06:54,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:54" (1/1) ... [2019-09-17 02:06:54,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:54" (1/1) ... [2019-09-17 02:06:54,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:54" (1/1) ... [2019-09-17 02:06:54,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 02:06:54,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 02:06:54,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 02:06:54,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 02:06:54,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 02:06:54" (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 [2019-09-17 02:06:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 02:06:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 02:06:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-17 02:06:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-17 02:06:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-17 02:06:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 02:06:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-17 02:06:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-17 02:06:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-17 02:06:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-17 02:06:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-17 02:06:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-17 02:06:54,412 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-17 02:06:54,412 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-17 02:06:54,412 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-17 02:06:54,412 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-17 02:06:54,412 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-17 02:06:54,413 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-17 02:06:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 02:06:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-17 02:06:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 02:06:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-17 02:06:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-17 02:06:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-17 02:06:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-17 02:06:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-17 02:06:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-17 02:06:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-17 02:06:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-17 02:06:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-17 02:06:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-17 02:06:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-17 02:06:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-17 02:06:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-17 02:06:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-17 02:06:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-17 02:06:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-17 02:06:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 02:06:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-17 02:06:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 02:06:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 02:06:54,719 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-17 02:06:54,776 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-17 02:06:54,776 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-17 02:06:54,802 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-17 02:06:54,950 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-17 02:06:54,950 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-17 02:06:54,951 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-17 02:06:55,000 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-17 02:06:55,000 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-17 02:06:55,010 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-17 02:06:55,076 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-17 02:06:55,076 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-17 02:06:55,195 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-17 02:06:55,219 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-17 02:06:55,220 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-17 02:06:55,245 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-17 02:06:55,333 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-17 02:06:55,334 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-17 02:06:55,818 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 02:06:55,819 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-17 02:06:55,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:06:55 BoogieIcfgContainer [2019-09-17 02:06:55,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 02:06:55,822 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 02:06:55,823 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 02:06:55,823 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 02:06:55,824 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 02:06:55" (1/1) ... [2019-09-17 02:06:55,825 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=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-17 02:06:55,849 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 02:06:55,849 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 02:06:55,865 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 02:06:55,876 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 02:06:55,878 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 02:06:55,950 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-17 02:06:56,675 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 72 for LOIs [2019-09-17 02:06:56,776 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 66 for LOIs [2019-09-17 02:06:56,787 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_InternIoCtl with input of size 68 for LOIs [2019-09-17 02:06:56,899 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 69 for LOIs [2019-09-17 02:06:56,901 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_CreateClose with input of size 68 for LOIs [2019-09-17 02:06:56,916 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_DispatchPassThrough with input of size 50 for LOIs [2019-09-17 02:06:56,931 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 1 for LOIs [2019-09-17 02:06:56,946 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_Power with input of size 66 for LOIs [2019-09-17 02:06:56,960 INFO L199 IcfgInterpreter]: Interpreting procedure PoCallDriver with input of size 66 for LOIs [2019-09-17 02:06:56,971 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 11 for LOIs [2019-09-17 02:06:56,971 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 1 for LOIs [2019-09-17 02:06:56,972 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 02:06:56,972 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 02:06:56,974 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 876#true [2019-09-17 02:06:56,986 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 02:06:56,986 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 02:06:56,989 INFO L168 Benchmark]: Toolchain (without parser) took 3333.44 ms. Allocated memory was 140.0 MB in the beginning and 263.7 MB in the end (delta: 123.7 MB). Free memory was 85.7 MB in the beginning and 158.8 MB in the end (delta: -73.1 MB). Peak memory consumption was 50.7 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:56,991 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 02:06:56,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 602.06 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 85.5 MB in the beginning and 169.4 MB in the end (delta: -83.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:56,992 INFO L168 Benchmark]: Boogie Preprocessor took 86.65 ms. Allocated memory is still 199.8 MB. Free memory was 169.4 MB in the beginning and 166.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:56,993 INFO L168 Benchmark]: RCFGBuilder took 1470.81 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 165.7 MB in the beginning and 158.5 MB in the end (delta: 7.2 MB). Peak memory consumption was 94.8 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:56,994 INFO L168 Benchmark]: Sifa took 1164.09 ms. Allocated memory was 224.4 MB in the beginning and 263.7 MB in the end (delta: 39.3 MB). Free memory was 158.5 MB in the beginning and 158.8 MB in the end (delta: -269.9 kB). Peak memory consumption was 39.1 MB. Max. memory is 7.1 GB. [2019-09-17 02:06:56,998 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 140.0 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 602.06 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 85.5 MB in the beginning and 169.4 MB in the end (delta: -83.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.65 ms. Allocated memory is still 199.8 MB. Free memory was 169.4 MB in the beginning and 166.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1470.81 ms. Allocated memory was 199.8 MB in the beginning and 224.4 MB in the end (delta: 24.6 MB). Free memory was 165.7 MB in the beginning and 158.5 MB in the end (delta: 7.2 MB). Peak memory consumption was 94.8 MB. Max. memory is 7.1 GB. * Sifa took 1164.09 ms. Allocated memory was 224.4 MB in the beginning and 263.7 MB in the end (delta: 39.3 MB). Free memory was 158.5 MB in the beginning and 158.8 MB in the end (delta: -269.9 kB). Peak memory consumption was 39.1 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]: 1125, ICFG_INTERPRETER_ENTERED_PROCEDURES: 13, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 426, DAG_INTERPRETER_EARLY_EXITS: 25, TOOLS_POST_APPLICATIONS: 351, TOOLS_POST_TIME[ms]: 202, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 253, TOOLS_POST_RETURN_APPLICATIONS: 45, TOOLS_POST_RETURN_TIME[ms]: 60, TOOLS_QUANTIFIERELIM_APPLICATIONS: 452, TOOLS_QUANTIFIERELIM_TIME[ms]: 361, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 426, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 130, DOMAIN_JOIN_TIME[ms]: 48, 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: 149, DOMAIN_ISBOTTOM_TIME[ms]: 334, 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: 45, CALL_SUMMARIZER_CACHE_MISSES: 16, CALL_SUMMARIZER_OVERALL_TIME[ms]: 388, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 387, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 13, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 77, DAG_COMPRESSION_PROCESSED_NODES: 2771, DAG_COMPRESSION_RETAINED_NODES: 524 - 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 876#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...