java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:10:27,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:10:27,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:10:27,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:10:27,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:10:27,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:10:27,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:10:27,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:10:27,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:10:27,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:10:27,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:10:27,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:10:27,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:10:27,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:10:27,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:10:27,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:10:27,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:10:27,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:10:27,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:10:27,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:10:27,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:10:27,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:10:27,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:10:27,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:10:27,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:10:27,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:10:27,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:10:27,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:10:27,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:10:27,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:10:27,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:10:27,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:10:27,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:10:27,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:10:27,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:10:27,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:10:27,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:10:27,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:10:27,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:10:27,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:10:27,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:10:27,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-21 09:10:27,962 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:10:27,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:10:27,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:10:27,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:10:27,966 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:10:27,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:10:27,966 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:10:27,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:10:27,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:10:27,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:10:27,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:10:27,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:10:27,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:10:27,969 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:10:27,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:10:27,969 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:10:27,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:10:27,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:10:27,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:10:27,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:10:27,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:10:27,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:10:27,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:10:27,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:10:27,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:10:27,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:10:27,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:10:27,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:10:27,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:10:28,022 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:10:28,035 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:10:28,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:10:28,040 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:10:28,040 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:10:28,041 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-21 09:10:28,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94ae20848/519c8eea3772452399793a2a13a15e97/FLAGe9237f195 [2019-09-21 09:10:28,623 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:10:28,624 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-21 09:10:28,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94ae20848/519c8eea3772452399793a2a13a15e97/FLAGe9237f195 [2019-09-21 09:10:28,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94ae20848/519c8eea3772452399793a2a13a15e97 [2019-09-21 09:10:28,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:10:28,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:10:28,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:10:28,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:10:28,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:10:28,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:10:28" (1/1) ... [2019-09-21 09:10:28,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd7daa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:28, skipping insertion in model container [2019-09-21 09:10:28,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:10:28" (1/1) ... [2019-09-21 09:10:28,967 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:10:29,016 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:10:29,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:10:29,503 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:10:29,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:10:29,656 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:10:29,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29 WrapperNode [2019-09-21 09:10:29,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:10:29,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:10:29,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:10:29,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:10:29,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29" (1/1) ... [2019-09-21 09:10:29,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29" (1/1) ... [2019-09-21 09:10:29,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29" (1/1) ... [2019-09-21 09:10:29,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29" (1/1) ... [2019-09-21 09:10:29,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29" (1/1) ... [2019-09-21 09:10:29,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29" (1/1) ... [2019-09-21 09:10:29,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29" (1/1) ... [2019-09-21 09:10:29,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:10:29,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:10:29,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:10:29,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:10:29,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:10:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:10:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:10:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-21 09:10:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-21 09:10:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-21 09:10:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:10:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-21 09:10:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-21 09:10:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-21 09:10:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-21 09:10:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-21 09:10:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-21 09:10:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-21 09:10:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-21 09:10:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-21 09:10:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-21 09:10:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-21 09:10:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-21 09:10:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:10:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-21 09:10:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:10:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-21 09:10:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-21 09:10:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-21 09:10:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-21 09:10:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-21 09:10:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-21 09:10:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-21 09:10:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-21 09:10:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-21 09:10:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-21 09:10:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-21 09:10:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-21 09:10:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-21 09:10:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-21 09:10:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-21 09:10:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-21 09:10:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:10:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-21 09:10:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:10:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:10:30,159 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:10:30,224 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-21 09:10:30,224 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-21 09:10:30,242 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:10:30,401 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-21 09:10:30,402 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-21 09:10:30,403 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:10:30,456 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-21 09:10:30,456 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-21 09:10:30,470 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:10:30,519 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-21 09:10:30,519 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-21 09:10:30,614 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:10:30,650 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-21 09:10:30,650 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-21 09:10:30,682 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:10:30,808 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-21 09:10:30,809 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-21 09:10:31,278 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:10:31,279 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-21 09:10:31,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:10:31 BoogieIcfgContainer [2019-09-21 09:10:31,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:10:31,281 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:10:31,281 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:10:31,282 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:10:31,283 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:10:31" (1/1) ... [2019-09-21 09:10:31,283 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:10:31,311 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:10:31,311 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:10:31,331 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:10:31,341 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:10:31,342 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:10:31,554 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-21 09:10:31,591 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 97 for LOIs [2019-09-21 09:10:33,659 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 85 for LOIs [2019-09-21 09:10:34,171 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 83 for LOIs [2019-09-21 09:10:34,215 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_InternIoCtl with input of size 81 for LOIs [2019-09-21 09:10:34,825 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 86 for LOIs [2019-09-21 09:10:34,832 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_CreateClose with input of size 85 for LOIs [2019-09-21 09:10:34,915 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_DispatchPassThrough with input of size 81 for LOIs [2019-09-21 09:10:34,962 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 92 for LOIs [2019-09-21 09:10:35,019 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_Power with input of size 79 for LOIs [2019-09-21 09:10:35,055 INFO L199 IcfgInterpreter]: Interpreting procedure PoCallDriver with input of size 84 for LOIs [2019-09-21 09:10:35,072 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 77 for LOIs [2019-09-21 09:10:35,079 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 48 for LOIs [2019-09-21 09:10:35,083 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:10:35,083 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:10:35,086 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 628#(and (<= 0 ~compFptr~0) (<= 1 ~NP~0) (<= ~compFptr~0 0) (<= 5 ~MPR1~0) (<= 0 ~UNLOADED~0) (<= ~IPC~0 7) (<= ~NP~0 1) (<= 0 ~KernelMode~0) (<= ~MPR3~0 6) (<= ~Executive~0 0) (<= ~MPR1~0 5) (<= 6 ~MPR3~0) (<= 0 ~pended~0) (<= ~DC~0 2) (<= 1 ~DevicePowerState~0) (<= 7 ~IPC~0) (<= ~KernelMode~0 0) (<= 2 ~DC~0) (<= ~DevicePowerState~0 1) (<= 0 ~Executive~0) (<= ~pended~0 0) (<= 4 ~SKIP2~0) (<= 3 ~SKIP1~0) (<= ~SKIP1~0 3) (<= ~UNLOADED~0 0) (<= ~SKIP2~0 4)) [2019-09-21 09:10:35,099 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:10:35,099 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:10:35,101 INFO L168 Benchmark]: Toolchain (without parser) took 6150.78 ms. Allocated memory was 137.9 MB in the beginning and 382.2 MB in the end (delta: 244.3 MB). Free memory was 87.2 MB in the beginning and 181.4 MB in the end (delta: -94.2 MB). Peak memory consumption was 150.1 MB. Max. memory is 7.1 GB. [2019-09-21 09:10:35,102 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:10:35,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.19 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 87.0 MB in the beginning and 170.1 MB in the end (delta: -83.1 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-09-21 09:10:35,106 INFO L168 Benchmark]: Boogie Preprocessor took 83.08 ms. Allocated memory is still 201.3 MB. Free memory was 170.1 MB in the beginning and 167.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-21 09:10:35,109 INFO L168 Benchmark]: RCFGBuilder took 1539.34 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 167.0 MB in the beginning and 155.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB. [2019-09-21 09:10:35,110 INFO L168 Benchmark]: Sifa took 3818.48 ms. Allocated memory was 227.0 MB in the beginning and 382.2 MB in the end (delta: 155.2 MB). Free memory was 155.9 MB in the beginning and 181.4 MB in the end (delta: -25.5 MB). Peak memory consumption was 129.7 MB. Max. memory is 7.1 GB. [2019-09-21 09:10:35,119 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.19 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 87.0 MB in the beginning and 170.1 MB in the end (delta: -83.1 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.08 ms. Allocated memory is still 201.3 MB. Free memory was 170.1 MB in the beginning and 167.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1539.34 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 167.0 MB in the beginning and 155.9 MB in the end (delta: 11.1 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB. * Sifa took 3818.48 ms. Allocated memory was 227.0 MB in the beginning and 382.2 MB in the end (delta: 155.2 MB). Free memory was 155.9 MB in the beginning and 181.4 MB in the end (delta: -25.5 MB). Peak memory consumption was 129.7 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]: 3775, ICFG_INTERPRETER_ENTERED_PROCEDURES: 13, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 439, DAG_INTERPRETER_EARLY_EXITS: 20, TOOLS_POST_APPLICATIONS: 354, TOOLS_POST_TIME[ms]: 234, TOOLS_POST_CALL_APPLICATIONS: 81, TOOLS_POST_CALL_TIME[ms]: 420, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 108, TOOLS_QUANTIFIERELIM_APPLICATIONS: 469, TOOLS_QUANTIFIERELIM_TIME[ms]: 554, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25, FLUID_QUERY_TIME[ms]: 29, FLUID_QUERIES: 439, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 141, DOMAIN_JOIN_TIME[ms]: 2307, 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: 150, DOMAIN_ISBOTTOM_TIME[ms]: 413, 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: 50, CALL_SUMMARIZER_CACHE_MISSES: 16, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1068, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1067, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 13, REGEX_TO_DAG_TIME[ms]: 11, DAG_COMPRESSION_TIME[ms]: 94, 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 628#(and (<= 0 ~compFptr~0) (<= 1 ~NP~0) (<= ~compFptr~0 0) (<= 5 ~MPR1~0) (<= 0 ~UNLOADED~0) (<= ~IPC~0 7) (<= ~NP~0 1) (<= 0 ~KernelMode~0) (<= ~MPR3~0 6) (<= ~Executive~0 0) (<= ~MPR1~0 5) (<= 6 ~MPR3~0) (<= 0 ~pended~0) (<= ~DC~0 2) (<= 1 ~DevicePowerState~0) (<= 7 ~IPC~0) (<= ~KernelMode~0 0) (<= 2 ~DC~0) (<= ~DevicePowerState~0 1) (<= 0 ~Executive~0) (<= ~pended~0 0) (<= 4 ~SKIP2~0) (<= 3 ~SKIP1~0) (<= ~SKIP1~0 3) (<= ~UNLOADED~0 0) (<= ~SKIP2~0 4)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...