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 ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:20:55,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:20:55,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:20:55,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:20:55,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:20:55,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:20:55,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:20:55,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:20:55,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:20:55,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:20:55,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:20:55,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:20:55,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:20:55,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:20:55,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:20:55,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:20:55,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:20:55,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:20:55,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:20:55,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:20:55,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:20:55,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:20:55,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:20:55,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:20:55,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:20:55,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:20:55,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:20:55,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:20:55,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:20:55,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:20:55,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:20:55,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:20:55,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:20:55,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:20:55,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:20:55,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:20:55,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:20:55,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:20:55,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:20:55,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:20:55,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:20:55,221 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 20:20:55,234 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:20:55,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:20:55,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:20:55,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:20:55,236 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:20:55,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:20:55,237 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:20:55,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:20:55,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:20:55,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:20:55,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:20:55,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:20:55,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:20:55,238 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:20:55,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:20:55,238 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:20:55,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:20:55,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:20:55,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:20:55,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:20:55,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:20:55,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:20:55,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:20:55,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:20:55,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:20:55,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:20:55,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:20:55,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:20:55,241 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 -> ReUseSupersetCallSummarizer 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 20:20:55,271 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:20:55,289 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:20:55,292 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:20:55,294 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:20:55,294 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:20:55,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-20 20:20:55,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/942611d00/4636de8fa5df4591bde5502413c57ef6/FLAGa8d92199f [2019-09-20 20:20:55,871 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:20:55,873 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-20 20:20:55,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/942611d00/4636de8fa5df4591bde5502413c57ef6/FLAGa8d92199f [2019-09-20 20:20:56,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/942611d00/4636de8fa5df4591bde5502413c57ef6 [2019-09-20 20:20:56,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:20:56,175 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:20:56,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:20:56,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:20:56,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:20:56,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e12ccc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56, skipping insertion in model container [2019-09-20 20:20:56,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,192 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:20:56,248 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:20:56,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:20:56,550 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:20:56,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:20:56,804 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:20:56,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56 WrapperNode [2019-09-20 20:20:56,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:20:56,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:20:56,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:20:56,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:20:56,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:20:56,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:20:56,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:20:56,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:20:56,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (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 20:20:56,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:20:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:20:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 20:20:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 20:20:56,926 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 20:20:56,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:20:56,927 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 20:20:56,927 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 20:20:56,927 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 20:20:56,927 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 20:20:56,928 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 20:20:56,928 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 20:20:56,928 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-20 20:20:56,928 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-20 20:20:56,928 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-20 20:20:56,928 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-20 20:20:56,929 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-20 20:20:56,929 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 20:20:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:20:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 20:20:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 20:20:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 20:20:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 20:20:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-20 20:20:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 20:20:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 20:20:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 20:20:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 20:20:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 20:20:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-20 20:20:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-20 20:20:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-20 20:20:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-20 20:20:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 20:20:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 20:20:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 20:20:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 20:20:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:20:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 20:20:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:20:56,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:20:57,239 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:20:57,295 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 20:20:57,295 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 20:20:57,310 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:20:57,447 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-20 20:20:57,448 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-20 20:20:57,449 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:20:57,504 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 20:20:57,504 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 20:20:57,517 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:20:57,580 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 20:20:57,581 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 20:20:57,680 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:20:57,708 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 20:20:57,708 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 20:20:57,732 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:20:57,831 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 20:20:57,832 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 20:20:58,253 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:20:58,254 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 20:20:58,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:20:58 BoogieIcfgContainer [2019-09-20 20:20:58,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:20:58,256 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:20:58,256 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:20:58,257 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:20:58,258 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:20:58" (1/1) ... [2019-09-20 20:20:58,258 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:20:58,280 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:20:58,281 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:20:58,290 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:20:58,299 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:20:58,301 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:20:58,467 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-20 20:20:58,649 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 20:20:58,763 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 20:20:58,908 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 20:20:59,445 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2019-09-20 20:20:59,617 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 20:20:59,950 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 20:21:00,081 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 20:21:00,454 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2019-09-20 20:21:00,607 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 20:21:00,978 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-20 20:21:01,122 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 20:21:01,273 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 20:21:01,427 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 20:21:01,808 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2019-09-20 20:21:01,964 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 20:21:02,127 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 20:21:03,147 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2019-09-20 20:21:03,602 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 20:21:03,823 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 20:21:04,013 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 20:21:04,184 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 20:21:05,531 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2019-09-20 20:21:05,771 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2019-09-20 20:21:05,937 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 20:21:06,123 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-20 20:21:06,406 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-20 20:21:06,529 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 20:21:07,290 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2019-09-20 20:21:07,455 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 20:21:07,639 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 20:21:07,808 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 20:21:07,997 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 20:21:08,103 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-09-20 20:21:08,256 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 20:21:08,555 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-20 20:21:08,764 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 20:21:09,008 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 20:21:09,216 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-20 20:21:11,377 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2019-09-20 20:21:12,222 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-20 20:21:12,516 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2019-09-20 20:21:14,986 WARN L191 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-09-20 20:21:17,011 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-20 20:21:17,853 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-20 20:21:19,566 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-20 20:21:20,376 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-20 20:21:22,682 WARN L191 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-20 20:21:22,895 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-20 20:21:25,223 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-20 20:21:25,438 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-20 20:21:26,084 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 20:21:26,345 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 48 [2019-09-20 20:21:26,788 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-20 20:21:26,892 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 20:21:27,175 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-20 20:21:27,281 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 20:21:27,564 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-20 20:21:27,672 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 20:21:27,779 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 20:21:27,887 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 20:21:28,073 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-20 20:21:28,290 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 51 [2019-09-20 20:21:28,797 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-20 20:21:28,932 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 20:21:29,068 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 20:21:29,205 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 20:21:30,496 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 169 DAG size of output: 159 [2019-09-20 20:21:31,069 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 20:21:32,355 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 169 DAG size of output: 159 [2019-09-20 20:21:32,928 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 20:21:33,213 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2019-09-20 20:21:33,349 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 20:21:33,503 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 1 [2019-09-20 20:21:33,769 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 20:21:33,900 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 20:21:34,052 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 20:21:34,182 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 20:21:34,319 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 20:21:34,453 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 20:21:34,762 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 110 [2019-09-20 20:21:34,912 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 20:21:36,614 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 175 DAG size of output: 172 [2019-09-20 20:21:37,087 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2019-09-20 20:21:38,840 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 175 DAG size of output: 172 [2019-09-20 20:21:39,303 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2019-09-20 20:21:39,548 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2019-09-20 20:21:39,660 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 20:21:39,950 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 20:21:40,246 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 97