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-fea9116 [2019-09-20 15:44:08,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:44:08,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:44:08,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:44:08,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:44:08,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:44:08,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:44:08,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:44:08,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:44:08,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:44:08,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:44:08,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:44:08,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:44:08,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:44:08,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:44:08,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:44:08,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:44:08,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:44:08,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:44:08,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:44:08,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:44:08,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:44:08,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:44:08,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:44:08,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:44:08,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:44:08,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:44:08,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:44:08,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:44:08,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:44:08,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:44:08,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:44:08,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:44:08,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:44:08,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:44:08,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:44:08,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:44:08,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:44:08,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:44:08,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:44:08,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:44:08,355 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 [2019-09-20 15:44:08,369 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:44:08,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:44:08,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:44:08,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:44:08,371 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:44:08,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:44:08,371 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:44:08,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:44:08,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:44:08,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:44:08,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:44:08,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:44:08,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:44:08,372 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:44:08,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:44:08,373 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:44:08,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:44:08,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:44:08,373 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:44:08,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:44:08,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:44:08,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:44:08,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:44:08,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:44:08,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:44:08,375 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:44:08,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:44:08,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:44:08,375 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 [2019-09-20 15:44:08,405 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:44:08,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:44:08,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:44:08,421 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:44:08,422 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:44:08,422 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-20 15:44:08,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02dd6625b/436c8f3c832041cb8dee834db14d6152/FLAG3bf90e334 [2019-09-20 15:44:08,966 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:44:08,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-20 15:44:08,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02dd6625b/436c8f3c832041cb8dee834db14d6152/FLAG3bf90e334 [2019-09-20 15:44:09,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02dd6625b/436c8f3c832041cb8dee834db14d6152 [2019-09-20 15:44:09,324 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:44:09,325 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:44:09,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:44:09,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:44:09,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:44:09,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:09,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61791d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09, skipping insertion in model container [2019-09-20 15:44:09,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:09,342 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:44:09,398 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:44:09,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:44:09,740 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:44:09,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:44:09,977 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:44:09,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09 WrapperNode [2019-09-20 15:44:09,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:44:09,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:44:09,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:44:09,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:44:09,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:09,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:10,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:10,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:10,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:10,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:10,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09" (1/1) ... [2019-09-20 15:44:10,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:44:10,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:44:10,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:44:10,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:44:10,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:44:09" (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 [2019-09-20 15:44:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:44:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:44:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 15:44:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 15:44:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 15:44:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:44:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 15:44:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 15:44:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 15:44:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 15:44:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 15:44:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 15:44:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-20 15:44:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-20 15:44:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-20 15:44:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-20 15:44:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-20 15:44:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 15:44:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:44:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 15:44:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:44:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 15:44:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 15:44:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 15:44:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 15:44:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 15:44:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 15:44:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 15:44:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-20 15:44:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-20 15:44:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-20 15:44:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-20 15:44:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-20 15:44:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 15:44:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 15:44:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 15:44:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 15:44:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:44:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 15:44:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:44:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:44:10,439 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:10,526 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 15:44:10,526 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 15:44:10,551 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:10,691 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-20 15:44:10,692 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-20 15:44:10,693 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:10,740 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 15:44:10,741 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 15:44:10,746 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:10,799 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 15:44:10,799 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 15:44:10,889 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:10,922 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 15:44:10,923 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 15:44:10,950 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:44:11,068 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 15:44:11,069 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 15:44:11,572 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:44:11,572 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 15:44:11,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:44:11 BoogieIcfgContainer [2019-09-20 15:44:11,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:44:11,575 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:44:11,575 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:44:11,575 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:44:11,576 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:44:11" (1/1) ... [2019-09-20 15:44:11,577 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 [2019-09-20 15:44:11,600 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:44:11,601 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:44:11,612 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:44:11,623 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:44:11,625 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:44:11,806 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-20 15:44:14,571 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 72 for LOIs [2019-09-20 15:44:14,749 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 66 for LOIs [2019-09-20 15:44:14,779 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_InternIoCtl with input of size 68 for LOIs [2019-09-20 15:44:15,626 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 80 for LOIs [2019-09-20 15:44:15,629 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_CreateClose with input of size 68 for LOIs [2019-09-20 15:44:15,697 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_DispatchPassThrough with input of size 80 for LOIs [2019-09-20 15:44:15,747 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 83 for LOIs [2019-09-20 15:44:15,841 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_Power with input of size 66 for LOIs [2019-09-20 15:44:15,852 INFO L199 IcfgInterpreter]: Interpreting procedure PoCallDriver with input of size 66 for LOIs [2019-09-20 15:44:15,871 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 71 for LOIs [2019-09-20 15:44:15,873 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 1 for LOIs [2019-09-20 15:44:15,874 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:44:15,874 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:44:15,876 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 831#true [2019-09-20 15:44:15,889 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:44:15,890 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:44:15,893 INFO L168 Benchmark]: Toolchain (without parser) took 6566.28 ms. Allocated memory was 138.9 MB in the beginning and 393.7 MB in the end (delta: 254.8 MB). Free memory was 86.2 MB in the beginning and 104.8 MB in the end (delta: -18.6 MB). Peak memory consumption was 236.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:44:15,894 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:44:15,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.40 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 86.0 MB in the beginning and 172.0 MB in the end (delta: -86.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-20 15:44:15,896 INFO L168 Benchmark]: Boogie Preprocessor took 79.21 ms. Allocated memory is still 200.3 MB. Free memory was 172.0 MB in the beginning and 168.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:44:15,897 INFO L168 Benchmark]: RCFGBuilder took 1516.84 ms. Allocated memory was 200.3 MB in the beginning and 222.8 MB in the end (delta: 22.5 MB). Free memory was 168.8 MB in the beginning and 158.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 99.3 MB. Max. memory is 7.1 GB. [2019-09-20 15:44:15,899 INFO L168 Benchmark]: Sifa took 4315.19 ms. Allocated memory was 222.8 MB in the beginning and 393.7 MB in the end (delta: 170.9 MB). Free memory was 158.9 MB in the beginning and 104.8 MB in the end (delta: 54.2 MB). Peak memory consumption was 225.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:44:15,903 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.40 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 86.0 MB in the beginning and 172.0 MB in the end (delta: -86.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.21 ms. Allocated memory is still 200.3 MB. Free memory was 172.0 MB in the beginning and 168.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1516.84 ms. Allocated memory was 200.3 MB in the beginning and 222.8 MB in the end (delta: 22.5 MB). Free memory was 168.8 MB in the beginning and 158.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 99.3 MB. Max. memory is 7.1 GB. * Sifa took 4315.19 ms. Allocated memory was 222.8 MB in the beginning and 393.7 MB in the end (delta: 170.9 MB). Free memory was 158.9 MB in the beginning and 104.8 MB in the end (delta: 54.2 MB). Peak memory consumption was 225.1 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]: 4276, ICFG_INTERPRETER_ENTERED_PROCEDURES: 13, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 426, DAG_INTERPRETER_EARLY_EXITS: 25, TOOLS_POST_APPLICATIONS: 351, TOOLS_POST_TIME[ms]: 216, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 289, TOOLS_POST_RETURN_APPLICATIONS: 45, TOOLS_POST_RETURN_TIME[ms]: 70, TOOLS_QUANTIFIERELIM_APPLICATIONS: 452, TOOLS_QUANTIFIERELIM_TIME[ms]: 407, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 426, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 130, DOMAIN_JOIN_TIME[ms]: 3135, 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]: 339, 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]: 1487, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1487, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 71, 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...