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 NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:17:59,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:17:59,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:17:59,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:17:59,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:17:59,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:17:59,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:17:59,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:17:59,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:17:59,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:17:59,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:17:59,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:17:59,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:17:59,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:17:59,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:17:59,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:17:59,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:17:59,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:17:59,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:17:59,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:17:59,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:17:59,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:17:59,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:17:59,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:17:59,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:17:59,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:17:59,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:17:59,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:17:59,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:17:59,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:17:59,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:17:59,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:17:59,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:17:59,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:17:59,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:17:59,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:17:59,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:17:59,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:17:59,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:17:59,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:17:59,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:17:59,985 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 23:18:00,000 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:18:00,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:18:00,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:18:00,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:18:00,002 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:18:00,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:18:00,002 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:18:00,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:18:00,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:18:00,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:18:00,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:18:00,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:18:00,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:18:00,003 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:18:00,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:18:00,004 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:18:00,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:18:00,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:18:00,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:18:00,005 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:18:00,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:18:00,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:18:00,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:18:00,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:18:00,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:18:00,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:18:00,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:18:00,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:18:00,007 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:18:00,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:18:00,052 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:18:00,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:18:00,056 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:18:00,057 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:18:00,057 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-20 23:18:00,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6737235c/311fe4a8b5404120ba701d49ae01daa7/FLAGc0924f8e3 [2019-09-20 23:18:00,624 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:18:00,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-20 23:18:00,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6737235c/311fe4a8b5404120ba701d49ae01daa7/FLAGc0924f8e3 [2019-09-20 23:18:00,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6737235c/311fe4a8b5404120ba701d49ae01daa7 [2019-09-20 23:18:00,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:18:00,953 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:18:00,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:18:00,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:18:00,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:18:00,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:18:00" (1/1) ... [2019-09-20 23:18:00,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219fad61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:00, skipping insertion in model container [2019-09-20 23:18:00,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:18:00" (1/1) ... [2019-09-20 23:18:00,968 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:18:01,023 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:18:01,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:18:01,415 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:18:01,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:18:01,547 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:18:01,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:01 WrapperNode [2019-09-20 23:18:01,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:18:01,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:18:01,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:18:01,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:18:01,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:01" (1/1) ... [2019-09-20 23:18:01,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:01" (1/1) ... [2019-09-20 23:18:01,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:01" (1/1) ... [2019-09-20 23:18:01,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:01" (1/1) ... [2019-09-20 23:18:01,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:01" (1/1) ... [2019-09-20 23:18:01,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:01" (1/1) ... [2019-09-20 23:18:01,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:01" (1/1) ... [2019-09-20 23:18:01,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:18:01,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:18:01,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:18:01,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:18:01,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:18:01" (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 23:18:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:18:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:18:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 23:18:01,664 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 23:18:01,664 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 23:18:01,664 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:18:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 23:18:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 23:18:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 23:18:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 23:18:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 23:18:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 23:18:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-20 23:18:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-20 23:18:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-20 23:18:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-20 23:18:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-20 23:18:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 23:18:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:18:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 23:18:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:18:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 23:18:01,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 23:18:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 23:18:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 23:18:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 23:18:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 23:18:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 23:18:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-20 23:18:01,668 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-20 23:18:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-20 23:18:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-20 23:18:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-20 23:18:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 23:18:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 23:18:01,669 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 23:18:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 23:18:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:18:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 23:18:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:18:01,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:18:01,976 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:02,034 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 23:18:02,034 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 23:18:02,055 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:02,205 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-20 23:18:02,206 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-20 23:18:02,207 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:02,255 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 23:18:02,255 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 23:18:02,260 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:02,311 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 23:18:02,311 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 23:18:02,405 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:02,431 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 23:18:02,431 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 23:18:02,459 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:02,551 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 23:18:02,552 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 23:18:03,001 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:18:03,002 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 23:18:03,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:18:03 BoogieIcfgContainer [2019-09-20 23:18:03,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:18:03,004 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:18:03,004 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:18:03,004 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:18:03,005 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:18:03" (1/1) ... [2019-09-20 23:18:03,006 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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_DDA ♦ Intern Fluid=NeverFluid [2019-09-20 23:18:03,028 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:18:03,028 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:18:03,038 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:18:03,050 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:18:03,052 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:18:03,227 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-20 23:18:04,209 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2019-09-20 23:18:04,380 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 23:18:04,509 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 23:18:04,691 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 23:18:04,939 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 23:18:05,041 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 23:18:05,325 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 23:18:06,000 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-09-20 23:18:07,078 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2019-09-20 23:18:07,494 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 23:18:07,621 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 1 [2019-09-20 23:18:08,823 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 105 DAG size of output: 101 [2019-09-20 23:18:09,718 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2019-09-20 23:18:10,102 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 23:18:10,915 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2019-09-20 23:18:11,306 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 23:18:12,453 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2019-09-20 23:18:13,600 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2019-09-20 23:18:15,104 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 148 DAG size of output: 134 [2019-09-20 23:18:15,616 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 23:18:16,704 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 148 DAG size of output: 134 [2019-09-20 23:18:17,227 WARN L191 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 23:18:18,347 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 148 DAG size of output: 134 [2019-09-20 23:18:18,875 WARN L191 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 23:18:20,058 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2019-09-20 23:18:20,619 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 23:18:21,826 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2019-09-20 23:18:22,408 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2019-09-20 23:18:22,767 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-20 23:18:23,053 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-20 23:18:23,347 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 23:18:23,538 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 23:18:23,790 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 23:18:25,390 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 144 DAG size of output: 141 [2019-09-20 23:18:25,894 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-20 23:18:27,346 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 144 DAG size of output: 141 [2019-09-20 23:18:27,822 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-20 23:18:29,286 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 144 DAG size of output: 141 [2019-09-20 23:18:29,770 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 73 [2019-09-20 23:18:31,382 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 152 DAG size of output: 149 [2019-09-20 23:18:31,851 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2019-09-20 23:18:33,459 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 152 DAG size of output: 149 [2019-09-20 23:18:33,720 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 23:18:33,949 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2019-09-20 23:18:34,277 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-09-20 23:18:34,672 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 73 [2019-09-20 23:18:34,943 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 73 [2019-09-20 23:18:35,218 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 73 [2019-09-20 23:18:35,497 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 73 [2019-09-20 23:18:35,780 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 73 [2019-09-20 23:18:36,105 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 73 [2019-09-20 23:18:36,378 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 73 [2019-09-20 23:18:36,650 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 73 [2019-09-20 23:18:36,926 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 73 [2019-09-20 23:18:37,193 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 73 [2019-09-20 23:18:37,777 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-20 23:18:38,017 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 23:18:38,495 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-20 23:18:38,731 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 23:18:39,048 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 23:18:40,010 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2019-09-20 23:18:40,560 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 72 for LOIs [2019-09-20 23:18:40,776 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-20 23:18:41,041 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-20 23:18:42,140 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 121 [2019-09-20 23:18:42,626 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-09-20 23:18:42,837 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 23:18:43,009 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 23:18:43,010 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 66 for LOIs [2019-09-20 23:18:43,474 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2019-09-20 23:18:43,708 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 23:18:43,822 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_InternIoCtl with input of size 68 for LOIs