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-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 05:44:30,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 05:44:30,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 05:44:30,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 05:44:30,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 05:44:30,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 05:44:30,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 05:44:30,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 05:44:30,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 05:44:30,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 05:44:30,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 05:44:30,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 05:44:30,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 05:44:30,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 05:44:30,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 05:44:30,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 05:44:30,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 05:44:30,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 05:44:30,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 05:44:30,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 05:44:30,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 05:44:30,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 05:44:30,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 05:44:30,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 05:44:30,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 05:44:30,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 05:44:30,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 05:44:30,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 05:44:30,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 05:44:30,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 05:44:30,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 05:44:30,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 05:44:30,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 05:44:30,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 05:44:30,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 05:44:30,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 05:44:30,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 05:44:30,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 05:44:30,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 05:44:30,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 05:44:30,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 05:44:30,747 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 05:44:30,769 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 05:44:30,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 05:44:30,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 05:44:30,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 05:44:30,774 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 05:44:30,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 05:44:30,774 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 05:44:30,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 05:44:30,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 05:44:30,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 05:44:30,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 05:44:30,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 05:44:30,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 05:44:30,777 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 05:44:30,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 05:44:30,777 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 05:44:30,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 05:44:30,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 05:44:30,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 05:44:30,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 05:44:30,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 05:44:30,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 05:44:30,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 05:44:30,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 05:44:30,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 05:44:30,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 05:44:30,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 05:44:30,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 05:44:30,781 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 [2019-09-17 05:44:30,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 05:44:30,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 05:44:30,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 05:44:30,862 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 05:44:30,862 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 05:44:30,863 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-17 05:44:30,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb66d8b4a/a61bfb3a5ff243ea9b208b90c9e63e04/FLAGa0c6bb5aa [2019-09-17 05:44:31,405 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 05:44:31,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-17 05:44:31,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb66d8b4a/a61bfb3a5ff243ea9b208b90c9e63e04/FLAGa0c6bb5aa [2019-09-17 05:44:31,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb66d8b4a/a61bfb3a5ff243ea9b208b90c9e63e04 [2019-09-17 05:44:31,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 05:44:31,803 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 05:44:31,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 05:44:31,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 05:44:31,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 05:44:31,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 05:44:31" (1/1) ... [2019-09-17 05:44:31,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:44:31, skipping insertion in model container [2019-09-17 05:44:31,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 05:44:31" (1/1) ... [2019-09-17 05:44:31,817 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 05:44:31,881 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 05:44:32,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 05:44:32,322 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 05:44:32,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 05:44:32,428 INFO L192 MainTranslator]: Completed translation [2019-09-17 05:44:32,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:44:32 WrapperNode [2019-09-17 05:44:32,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 05:44:32,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 05:44:32,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 05:44:32,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 05:44:32,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:44:32" (1/1) ... [2019-09-17 05:44:32,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:44:32" (1/1) ... [2019-09-17 05:44:32,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:44:32" (1/1) ... [2019-09-17 05:44:32,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:44:32" (1/1) ... [2019-09-17 05:44:32,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:44:32" (1/1) ... [2019-09-17 05:44:32,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:44:32" (1/1) ... [2019-09-17 05:44:32,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:44:32" (1/1) ... [2019-09-17 05:44:32,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 05:44:32,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 05:44:32,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 05:44:32,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 05:44:32,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 05:44:32" (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 05:44:32,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 05:44:32,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 05:44:32,556 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-17 05:44:32,556 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-17 05:44:32,556 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-17 05:44:32,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 05:44:32,557 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-17 05:44:32,557 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-17 05:44:32,557 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-17 05:44:32,557 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-17 05:44:32,557 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-17 05:44:32,557 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-17 05:44:32,558 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-17 05:44:32,558 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-17 05:44:32,558 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-17 05:44:32,558 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-17 05:44:32,558 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-17 05:44:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-17 05:44:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 05:44:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-17 05:44:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 05:44:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-17 05:44:32,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-17 05:44:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-17 05:44:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-17 05:44:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-17 05:44:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-17 05:44:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-17 05:44:32,560 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-17 05:44:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-17 05:44:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-17 05:44:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-17 05:44:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-17 05:44:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-17 05:44:32,561 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-17 05:44:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-17 05:44:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-17 05:44:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 05:44:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-17 05:44:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 05:44:32,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 05:44:32,842 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-17 05:44:32,922 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-17 05:44:32,922 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-17 05:44:32,940 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-17 05:44:33,040 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-17 05:44:33,041 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-17 05:44:33,042 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-17 05:44:33,087 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-17 05:44:33,088 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-17 05:44:33,099 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-17 05:44:33,143 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-17 05:44:33,143 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-17 05:44:33,232 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-17 05:44:33,258 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-17 05:44:33,259 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-17 05:44:33,283 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-17 05:44:33,384 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-17 05:44:33,384 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-17 05:44:33,827 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 05:44:33,828 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-17 05:44:33,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 05:44:33 BoogieIcfgContainer [2019-09-17 05:44:33,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 05:44:33,831 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 05:44:33,831 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 05:44:33,832 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 05:44:33,833 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 05:44:33" (1/1) ... [2019-09-17 05:44:33,833 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 [2019-09-17 05:44:33,863 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 05:44:33,864 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 05:44:33,883 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 05:44:33,893 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 05:44:33,895 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 05:44:34,100 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-17 05:44:36,866 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 72 for LOIs [2019-09-17 05:44:37,028 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 66 for LOIs [2019-09-17 05:44:37,054 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_InternIoCtl with input of size 68 for LOIs [2019-09-17 05:44:37,875 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 80 for LOIs [2019-09-17 05:44:37,878 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_CreateClose with input of size 68 for LOIs [2019-09-17 05:44:37,951 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_DispatchPassThrough with input of size 80 for LOIs [2019-09-17 05:44:38,003 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 83 for LOIs [2019-09-17 05:44:38,083 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_Power with input of size 66 for LOIs [2019-09-17 05:44:38,094 INFO L199 IcfgInterpreter]: Interpreting procedure PoCallDriver with input of size 66 for LOIs [2019-09-17 05:44:38,105 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 71 for LOIs [2019-09-17 05:44:38,107 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 1 for LOIs [2019-09-17 05:44:38,107 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 05:44:38,107 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 05:44:38,109 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 831#true [2019-09-17 05:44:38,121 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 05:44:38,121 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 05:44:38,124 INFO L168 Benchmark]: Toolchain (without parser) took 6320.15 ms. Allocated memory was 132.1 MB in the beginning and 406.3 MB in the end (delta: 274.2 MB). Free memory was 87.2 MB in the beginning and 139.5 MB in the end (delta: -52.2 MB). Peak memory consumption was 222.0 MB. Max. memory is 7.1 GB. [2019-09-17 05:44:38,125 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 05:44:38,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.94 ms. Allocated memory was 132.1 MB in the beginning and 198.2 MB in the end (delta: 66.1 MB). Free memory was 87.0 MB in the beginning and 166.3 MB in the end (delta: -79.3 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-09-17 05:44:38,127 INFO L168 Benchmark]: Boogie Preprocessor took 65.93 ms. Allocated memory is still 198.2 MB. Free memory was 166.3 MB in the beginning and 163.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-17 05:44:38,128 INFO L168 Benchmark]: RCFGBuilder took 1335.51 ms. Allocated memory was 198.2 MB in the beginning and 221.2 MB in the end (delta: 23.1 MB). Free memory was 163.0 MB in the beginning and 155.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. [2019-09-17 05:44:38,129 INFO L168 Benchmark]: Sifa took 4290.11 ms. Allocated memory was 221.2 MB in the beginning and 406.3 MB in the end (delta: 185.1 MB). Free memory was 155.0 MB in the beginning and 139.5 MB in the end (delta: 15.5 MB). Peak memory consumption was 200.6 MB. Max. memory is 7.1 GB. [2019-09-17 05:44:38,132 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 132.1 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 624.94 ms. Allocated memory was 132.1 MB in the beginning and 198.2 MB in the end (delta: 66.1 MB). Free memory was 87.0 MB in the beginning and 166.3 MB in the end (delta: -79.3 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.93 ms. Allocated memory is still 198.2 MB. Free memory was 166.3 MB in the beginning and 163.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1335.51 ms. Allocated memory was 198.2 MB in the beginning and 221.2 MB in the end (delta: 23.1 MB). Free memory was 163.0 MB in the beginning and 155.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. * Sifa took 4290.11 ms. Allocated memory was 221.2 MB in the beginning and 406.3 MB in the end (delta: 185.1 MB). Free memory was 155.0 MB in the beginning and 139.5 MB in the end (delta: 15.5 MB). Peak memory consumption was 200.6 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]: 4246, ICFG_INTERPRETER_ENTERED_PROCEDURES: 13, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 426, DAG_INTERPRETER_EARLY_EXITS: 25, TOOLS_POST_APPLICATIONS: 351, TOOLS_POST_TIME[ms]: 178, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 271, TOOLS_POST_RETURN_APPLICATIONS: 45, TOOLS_POST_RETURN_TIME[ms]: 72, TOOLS_QUANTIFIERELIM_APPLICATIONS: 452, TOOLS_QUANTIFIERELIM_TIME[ms]: 369, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 18, FLUID_QUERIES: 426, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 130, DOMAIN_JOIN_TIME[ms]: 3104, 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]: 358, 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]: 1458, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1458, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 40, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 74, 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 831#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...