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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --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 18:26:15,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:26:15,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:26:15,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:26:15,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:26:15,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:26:15,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:26:15,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:26:15,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:26:15,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:26:15,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:26:15,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:26:15,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:26:15,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:26:15,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:26:15,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:26:15,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:26:15,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:26:15,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:26:15,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:26:15,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:26:15,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:26:15,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:26:15,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:26:15,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:26:15,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:26:15,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:26:15,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:26:15,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:26:15,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:26:15,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:26:15,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:26:15,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:26:15,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:26:15,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:26:15,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:26:15,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:26:15,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:26:15,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:26:15,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:26:15,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:26:15,333 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 18:26:15,347 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:26:15,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:26:15,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:26:15,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:26:15,349 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:26:15,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:26:15,350 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:26:15,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:26:15,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:26:15,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:26:15,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:26:15,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:26:15,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:26:15,351 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:26:15,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:26:15,352 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:26:15,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:26:15,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:26:15,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:26:15,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:26:15,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:26:15,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:26:15,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:26:15,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:26:15,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:26:15,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:26:15,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:26:15,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:26:15,354 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 -> SequenceOfStatements 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_DDA [2019-09-20 18:26:15,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:26:15,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:26:15,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:26:15,405 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:26:15,406 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:26:15,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-20 18:26:15,474 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91913cca3/18ca90bf147044eba8437290e6a2bd01/FLAGe6527da24 [2019-09-20 18:26:15,953 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:26:15,957 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-20 18:26:15,988 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91913cca3/18ca90bf147044eba8437290e6a2bd01/FLAGe6527da24 [2019-09-20 18:26:16,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91913cca3/18ca90bf147044eba8437290e6a2bd01 [2019-09-20 18:26:16,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:26:16,294 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:26:16,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:26:16,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:26:16,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:26:16,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:26:16" (1/1) ... [2019-09-20 18:26:16,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba7a62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16, skipping insertion in model container [2019-09-20 18:26:16,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:26:16" (1/1) ... [2019-09-20 18:26:16,310 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:26:16,365 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:26:16,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:26:16,766 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:26:16,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:26:16,910 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:26:16,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16 WrapperNode [2019-09-20 18:26:16,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:26:16,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:26:16,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:26:16,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:26:16,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16" (1/1) ... [2019-09-20 18:26:16,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16" (1/1) ... [2019-09-20 18:26:16,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16" (1/1) ... [2019-09-20 18:26:16,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16" (1/1) ... [2019-09-20 18:26:16,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16" (1/1) ... [2019-09-20 18:26:16,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16" (1/1) ... [2019-09-20 18:26:16,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16" (1/1) ... [2019-09-20 18:26:16,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:26:16,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:26:16,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:26:16,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:26:16,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16" (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 18:26:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:26:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:26:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 18:26:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 18:26:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 18:26:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:26:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 18:26:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 18:26:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 18:26:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 18:26:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 18:26:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 18:26:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-20 18:26:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-20 18:26:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-20 18:26:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-20 18:26:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-20 18:26:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 18:26:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:26:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 18:26:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:26:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 18:26:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 18:26:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 18:26:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 18:26:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 18:26:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 18:26:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 18:26:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-20 18:26:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-20 18:26:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-20 18:26:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-20 18:26:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-20 18:26:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 18:26:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 18:26:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 18:26:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 18:26:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:26:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 18:26:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:26:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:26:17,338 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:17,402 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 18:26:17,403 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 18:26:17,430 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:17,551 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-20 18:26:17,552 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-20 18:26:17,553 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:17,650 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 18:26:17,650 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 18:26:17,693 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:17,775 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 18:26:17,775 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 18:26:17,881 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:17,898 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 18:26:17,899 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 18:26:17,924 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:18,048 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 18:26:18,048 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 18:26:18,061 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:26:18,062 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 18:26:18,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:26:18 BoogieIcfgContainer [2019-09-20 18:26:18,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:26:18,069 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:26:18,069 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:26:18,069 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:26:18,070 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:26:18" (1/1) ... [2019-09-20 18:26:18,071 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_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:26:18,094 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:26:18,095 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:26:18,121 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:26:18,137 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:26:18,139 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:26:18,357 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-20 18:26:19,599 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:20,077 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:20,944 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:21,380 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:22,264 WARN L191 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:22,704 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:23,552 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:24,022 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:24,884 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:25,293 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:26,160 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:26,598 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:27,440 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:27,853 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:28,704 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:29,148 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:30,028 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:30,441 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:31,303 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:31,706 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:32,582 WARN L191 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:32,995 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:33,856 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:34,277 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:35,119 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:35,521 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:36,393 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:36,795 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:37,641 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:38,043 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:38,874 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:39,291 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:40,137 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:40,537 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:41,371 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:41,782 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:42,621 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:43,023 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:43,877 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:44,285 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:45,121 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:45,532 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:46,367 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:46,771 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:47,613 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:48,016 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:48,843 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:49,249 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:50,097 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:50,506 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:51,348 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:51,772 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:52,665 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:53,093 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:53,992 WARN L191 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:54,432 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:55,297 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:55,719 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:56,608 WARN L191 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:57,034 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:57,990 WARN L191 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-20 18:26:58,120 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 18:26:58,899 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-20 18:26:59,022 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 18:26:59,401 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-20 18:26:59,528 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 18:26:59,914 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-20 18:27:00,044 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 85