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-efa34d5 [2019-09-18 21:20:21,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 21:20:21,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 21:20:21,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 21:20:21,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 21:20:21,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 21:20:21,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 21:20:21,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 21:20:21,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 21:20:21,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 21:20:21,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 21:20:21,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 21:20:21,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 21:20:21,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 21:20:21,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 21:20:21,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 21:20:21,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 21:20:21,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 21:20:21,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 21:20:21,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 21:20:21,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 21:20:21,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 21:20:21,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 21:20:21,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 21:20:21,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 21:20:21,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 21:20:21,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 21:20:21,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 21:20:21,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 21:20:21,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 21:20:21,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 21:20:21,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 21:20:21,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 21:20:21,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 21:20:21,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 21:20:21,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 21:20:21,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 21:20:21,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 21:20:21,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 21:20:21,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 21:20:21,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 21:20:21,229 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 [2019-09-18 21:20:21,250 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 21:20:21,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 21:20:21,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 21:20:21,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 21:20:21,252 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 21:20:21,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 21:20:21,252 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 21:20:21,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 21:20:21,253 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 21:20:21,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 21:20:21,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 21:20:21,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 21:20:21,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 21:20:21,254 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 21:20:21,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 21:20:21,254 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 21:20:21,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 21:20:21,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 21:20:21,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 21:20:21,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 21:20:21,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 21:20:21,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 21:20:21,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 21:20:21,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 21:20:21,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 21:20:21,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 21:20:21,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 21:20:21,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 21:20:21,257 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 [2019-09-18 21:20:21,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 21:20:21,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 21:20:21,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 21:20:21,321 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 21:20:21,321 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 21:20:21,322 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-18 21:20:21,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6aeb5cbf/437a435c951a42e4b19b69b5114bda68/FLAG8a74636ec [2019-09-18 21:20:21,891 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 21:20:21,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-18 21:20:21,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6aeb5cbf/437a435c951a42e4b19b69b5114bda68/FLAG8a74636ec [2019-09-18 21:20:22,213 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6aeb5cbf/437a435c951a42e4b19b69b5114bda68 [2019-09-18 21:20:22,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 21:20:22,223 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 21:20:22,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 21:20:22,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 21:20:22,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 21:20:22,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:20:22" (1/1) ... [2019-09-18 21:20:22,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f669a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:22, skipping insertion in model container [2019-09-18 21:20:22,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:20:22" (1/1) ... [2019-09-18 21:20:22,237 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 21:20:22,294 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 21:20:22,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:20:22,680 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 21:20:22,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:20:22,778 INFO L192 MainTranslator]: Completed translation [2019-09-18 21:20:22,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:22 WrapperNode [2019-09-18 21:20:22,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 21:20:22,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 21:20:22,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 21:20:22,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 21:20:22,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:22" (1/1) ... [2019-09-18 21:20:22,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:22" (1/1) ... [2019-09-18 21:20:22,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:22" (1/1) ... [2019-09-18 21:20:22,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:22" (1/1) ... [2019-09-18 21:20:22,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:22" (1/1) ... [2019-09-18 21:20:22,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:22" (1/1) ... [2019-09-18 21:20:22,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:22" (1/1) ... [2019-09-18 21:20:22,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 21:20:22,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 21:20:22,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 21:20:22,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 21:20:22,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:22" (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 [2019-09-18 21:20:22,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 21:20:22,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 21:20:22,910 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-18 21:20:22,910 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-18 21:20:22,910 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-18 21:20:22,911 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 21:20:22,911 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-18 21:20:22,911 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-18 21:20:22,914 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-18 21:20:22,914 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-18 21:20:22,915 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-18 21:20:22,916 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-18 21:20:22,916 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-18 21:20:22,916 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-18 21:20:22,916 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-18 21:20:22,916 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-18 21:20:22,918 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-18 21:20:22,919 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-18 21:20:22,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 21:20:22,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-18 21:20:22,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 21:20:22,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-18 21:20:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-18 21:20:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-18 21:20:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-18 21:20:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-18 21:20:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-18 21:20:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-18 21:20:22,920 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-18 21:20:22,921 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-18 21:20:22,921 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-18 21:20:22,921 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-18 21:20:22,921 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-18 21:20:22,921 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-18 21:20:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-18 21:20:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-18 21:20:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-18 21:20:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 21:20:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-18 21:20:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 21:20:22,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 21:20:23,215 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 21:20:23,290 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-18 21:20:23,291 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-18 21:20:23,318 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 21:20:23,447 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-18 21:20:23,448 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-18 21:20:23,449 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 21:20:23,507 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-18 21:20:23,508 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-18 21:20:23,521 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 21:20:23,570 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-18 21:20:23,570 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-18 21:20:23,650 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 21:20:23,681 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-18 21:20:23,681 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-18 21:20:23,704 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 21:20:23,818 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-18 21:20:23,818 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-18 21:20:24,268 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 21:20:24,268 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-18 21:20:24,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:20:24 BoogieIcfgContainer [2019-09-18 21:20:24,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 21:20:24,274 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 21:20:24,274 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 21:20:24,275 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 21:20:24,276 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:20:24" (1/1) ... [2019-09-18 21:20:24,277 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 [2019-09-18 21:20:24,317 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 21:20:24,318 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 21:20:24,340 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 21:20:24,350 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 21:20:24,352 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 21:20:24,541 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-18 21:20:24,739 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-18 21:20:24,851 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-18 21:20:25,527 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2019-09-18 21:20:25,691 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-18 21:20:26,104 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-18 21:20:26,235 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 21:20:26,569 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2019-09-18 21:20:26,687 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 21:20:27,036 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-18 21:20:27,182 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 21:20:27,328 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 21:20:27,482 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 21:20:27,842 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2019-09-18 21:20:28,016 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 21:20:28,154 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 21:20:29,068 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2019-09-18 21:20:29,484 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-18 21:20:29,668 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-18 21:20:29,835 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-18 21:20:29,999 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 21:20:31,295 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2019-09-18 21:20:31,534 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2019-09-18 21:20:31,686 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 21:20:31,890 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-18 21:20:32,140 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-18 21:20:32,969 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2019-09-18 21:20:33,135 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-18 21:20:33,299 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 21:20:33,461 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 21:20:33,628 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-18 21:20:33,829 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-18 21:20:34,116 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-18 21:20:34,329 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-18 21:20:34,533 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 21:20:34,757 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-18 21:20:36,825 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2019-09-18 21:20:37,654 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 21:20:37,957 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2019-09-18 21:20:40,410 WARN L191 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-09-18 21:20:42,412 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-18 21:20:43,221 WARN L191 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-18 21:20:44,917 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-18 21:20:45,733 WARN L191 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-18 21:20:48,070 WARN L191 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-18 21:20:48,279 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-18 21:20:50,563 WARN L191 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-18 21:20:50,775 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-18 21:20:51,164 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 45 [2019-09-18 21:20:51,442 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-18 21:20:52,107 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-18 21:20:52,211 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-18 21:20:52,485 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-18 21:20:52,591 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-18 21:20:52,858 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 87 [2019-09-18 21:20:52,964 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-18 21:20:53,092 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-18 21:20:53,203 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-18 21:20:53,385 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-18 21:20:53,599 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 51 [2019-09-18 21:20:54,105 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-18 21:20:54,242 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 21:20:54,380 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 21:20:54,521 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 21:20:55,809 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 169 DAG size of output: 159 [2019-09-18 21:20:56,383 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-18 21:20:57,663 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 169 DAG size of output: 159 [2019-09-18 21:20:58,226 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-18 21:20:58,534 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2019-09-18 21:20:58,672 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 21:20:58,821 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 1 [2019-09-18 21:20:59,103 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-18 21:20:59,233 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 21:20:59,370 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 21:20:59,501 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 21:20:59,639 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 21:20:59,775 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 21:21:00,083 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 110 [2019-09-18 21:21:00,232 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-18 21:21:01,936 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 175 DAG size of output: 172 [2019-09-18 21:21:02,411 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2019-09-18 21:21:04,124 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 175 DAG size of output: 172 [2019-09-18 21:21:04,595 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2019-09-18 21:21:04,829 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2019-09-18 21:21:04,935 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-18 21:21:05,227 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 21:21:05,516 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 21:21:06,483 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2019-09-18 21:21:06,779 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 21:21:07,444 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 105 [2019-09-18 21:21:07,717 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 21:21:07,991 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 70 [2019-09-18 21:21:08,314 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 70 [2019-09-18 21:21:08,687 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 21:21:08,964 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 70 [2019-09-18 21:21:09,295 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 70 [2019-09-18 21:21:09,855 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 79 [2019-09-18 21:21:10,086 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-18 21:21:10,712 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2019-09-18 21:21:11,141 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 72 for LOIs [2019-09-18 21:21:11,361 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-18 21:21:11,627 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-18 21:21:11,870 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 21:21:12,075 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 21:21:12,261 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 21:21:12,465 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 21:21:12,640 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 21:21:12,641 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 21 for LOIs [2019-09-18 21:21:12,784 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-18 21:21:12,873 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_InternIoCtl with input of size 68 for LOIs [2019-09-18 21:21:14,653 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2019-09-18 21:21:15,491 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 21:21:15,777 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2019-09-18 21:21:18,165 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-09-18 21:21:18,428 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 47 [2019-09-18 21:21:20,138 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-18 21:21:20,954 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-18 21:21:22,623 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-18 21:21:23,438 WARN L191 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-18 21:21:25,736 WARN L191 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-18 21:21:28,221 WARN L191 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-18 21:21:28,439 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-18 21:21:29,081 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-18 21:21:29,458 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 51 [2019-09-18 21:21:29,598 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 53 for LOIs [2019-09-18 21:21:29,696 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_CreateClose with input of size 68 for LOIs [2019-09-18 21:21:29,925 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2019-09-18 21:21:30,029 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-18 21:21:30,321 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 21:21:30,612 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 21:21:31,580 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2019-09-18 21:21:31,872 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-18 21:21:32,009 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2019-09-18 21:21:32,044 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_DispatchPassThrough with input of size 48 for LOIs [2019-09-18 21:21:32,474 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-18 21:21:32,606 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-18 21:21:32,731 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-18 21:21:32,733 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 76 for LOIs [2019-09-18 21:21:33,172 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 81 [2019-09-18 21:21:33,585 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2019-09-18 21:21:33,742 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 21:21:33,762 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_Power with input of size 66 for LOIs [2019-09-18 21:21:33,776 INFO L199 IcfgInterpreter]: Interpreting procedure PoCallDriver with input of size 66 for LOIs [2019-09-18 21:21:33,785 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 65 for LOIs [2019-09-18 21:21:33,788 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 1 for LOIs [2019-09-18 21:21:33,789 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 21:21:33,789 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 21:21:33,791 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 901#true [2019-09-18 21:21:33,802 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 21:21:33,803 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 21:21:33,804 INFO L168 Benchmark]: Toolchain (without parser) took 71580.80 ms. Allocated memory was 133.7 MB in the beginning and 648.5 MB in the end (delta: 514.9 MB). Free memory was 88.7 MB in the beginning and 226.4 MB in the end (delta: -137.7 MB). Peak memory consumption was 377.2 MB. Max. memory is 7.1 GB. [2019-09-18 21:21:33,805 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 21:21:33,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.45 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.7 MB in the beginning and 169.5 MB in the end (delta: -80.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2019-09-18 21:21:33,806 INFO L168 Benchmark]: Boogie Preprocessor took 77.66 ms. Allocated memory is still 200.3 MB. Free memory was 169.5 MB in the beginning and 166.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-18 21:21:33,807 INFO L168 Benchmark]: RCFGBuilder took 1415.73 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 166.4 MB in the beginning and 156.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB. [2019-09-18 21:21:33,808 INFO L168 Benchmark]: Sifa took 69528.47 ms. Allocated memory was 226.5 MB in the beginning and 648.5 MB in the end (delta: 422.1 MB). Free memory was 156.8 MB in the beginning and 226.4 MB in the end (delta: -69.5 MB). Peak memory consumption was 352.5 MB. Max. memory is 7.1 GB. [2019-09-18 21:21:33,811 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 555.45 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.7 MB in the beginning and 169.5 MB in the end (delta: -80.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.66 ms. Allocated memory is still 200.3 MB. Free memory was 169.5 MB in the beginning and 166.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1415.73 ms. Allocated memory was 200.3 MB in the beginning and 226.5 MB in the end (delta: 26.2 MB). Free memory was 166.4 MB in the beginning and 156.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 93.3 MB. Max. memory is 7.1 GB. * Sifa took 69528.47 ms. Allocated memory was 226.5 MB in the beginning and 648.5 MB in the end (delta: 422.1 MB). Free memory was 156.8 MB in the beginning and 226.4 MB in the end (delta: -69.5 MB). Peak memory consumption was 352.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 69474, ICFG_INTERPRETER_ENTERED_PROCEDURES: 13, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 443, DAG_INTERPRETER_EARLY_EXITS: 28, TOOLS_POST_APPLICATIONS: 361, TOOLS_POST_TIME[ms]: 218, TOOLS_POST_CALL_APPLICATIONS: 75, TOOLS_POST_CALL_TIME[ms]: 252, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 115, TOOLS_QUANTIFIERELIM_APPLICATIONS: 462, TOOLS_QUANTIFIERELIM_TIME[ms]: 424, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 443, FLUID_YES_ANSWERS: 5, DOMAIN_JOIN_APPLICATIONS: 123, DOMAIN_JOIN_TIME[ms]: 66489, DOMAIN_ALPHA_APPLICATIONS: 5, DOMAIN_ALPHA_TIME[ms]: 57, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 64, DOMAIN_ISSUBSETEQ_TIME[ms]: 75, DOMAIN_ISBOTTOM_APPLICATIONS: 149, DOMAIN_ISBOTTOM_TIME[ms]: 444, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 50, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 35886, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 68, DAG_COMPRESSION_PROCESSED_NODES: 1977, DAG_COMPRESSION_RETAINED_NODES: 427 - UnprovableResult [Line: 1012]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 901#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...