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 InterpretCallSummarizer --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-efa34d5 [2019-09-19 07:07:39,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 07:07:39,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 07:07:39,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 07:07:39,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 07:07:39,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 07:07:39,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 07:07:39,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 07:07:39,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 07:07:39,976 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 07:07:39,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 07:07:39,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 07:07:39,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 07:07:39,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 07:07:39,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 07:07:39,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 07:07:39,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 07:07:39,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 07:07:39,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 07:07:39,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 07:07:39,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 07:07:39,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 07:07:39,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 07:07:39,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 07:07:39,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 07:07:39,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 07:07:39,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 07:07:39,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 07:07:39,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 07:07:39,995 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 07:07:39,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 07:07:39,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 07:07:39,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 07:07:39,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 07:07:39,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 07:07:39,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 07:07:39,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 07:07:40,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 07:07:40,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 07:07:40,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 07:07:40,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 07:07:40,002 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 [2019-09-19 07:07:40,028 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 07:07:40,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 07:07:40,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 07:07:40,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 07:07:40,032 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 07:07:40,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 07:07:40,033 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 07:07:40,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 07:07:40,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 07:07:40,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 07:07:40,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 07:07:40,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 07:07:40,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 07:07:40,035 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 07:07:40,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 07:07:40,036 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 07:07:40,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 07:07:40,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 07:07:40,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 07:07:40,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 07:07:40,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 07:07:40,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 07:07:40,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 07:07:40,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 07:07:40,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 07:07:40,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 07:07:40,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 07:07:40,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 07:07:40,039 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 -> InterpretCallSummarizer 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 [2019-09-19 07:07:40,089 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 07:07:40,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 07:07:40,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 07:07:40,106 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 07:07:40,106 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 07:07:40,107 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-19 07:07:40,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec02f941/5e90cff1dd384f918b2207185122e483/FLAGa30379884 [2019-09-19 07:07:40,716 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 07:07:40,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-19 07:07:40,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec02f941/5e90cff1dd384f918b2207185122e483/FLAGa30379884 [2019-09-19 07:07:41,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ec02f941/5e90cff1dd384f918b2207185122e483 [2019-09-19 07:07:41,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 07:07:41,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 07:07:41,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 07:07:41,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 07:07:41,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 07:07:41,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 07:07:41" (1/1) ... [2019-09-19 07:07:41,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a873fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:07:41, skipping insertion in model container [2019-09-19 07:07:41,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 07:07:41" (1/1) ... [2019-09-19 07:07:41,061 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 07:07:41,107 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 07:07:41,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 07:07:41,523 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 07:07:41,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 07:07:41,616 INFO L192 MainTranslator]: Completed translation [2019-09-19 07:07:41,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:07:41 WrapperNode [2019-09-19 07:07:41,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 07:07:41,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 07:07:41,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 07:07:41,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 07:07:41,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:07:41" (1/1) ... [2019-09-19 07:07:41,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:07:41" (1/1) ... [2019-09-19 07:07:41,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:07:41" (1/1) ... [2019-09-19 07:07:41,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:07:41" (1/1) ... [2019-09-19 07:07:41,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:07:41" (1/1) ... [2019-09-19 07:07:41,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:07:41" (1/1) ... [2019-09-19 07:07:41,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:07:41" (1/1) ... [2019-09-19 07:07:41,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 07:07:41,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 07:07:41,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 07:07:41,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 07:07:41,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:07:41" (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 [2019-09-19 07:07:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 07:07:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 07:07:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-19 07:07:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-19 07:07:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-19 07:07:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 07:07:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-19 07:07:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-19 07:07:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-19 07:07:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-19 07:07:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-19 07:07:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-19 07:07:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-19 07:07:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-19 07:07:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-19 07:07:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-19 07:07:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-19 07:07:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-19 07:07:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 07:07:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-19 07:07:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 07:07:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-19 07:07:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-19 07:07:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-19 07:07:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-19 07:07:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-19 07:07:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-19 07:07:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-19 07:07:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-19 07:07:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-19 07:07:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-19 07:07:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-19 07:07:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-19 07:07:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-19 07:07:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-19 07:07:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-19 07:07:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-19 07:07:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 07:07:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-19 07:07:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 07:07:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 07:07:42,089 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 07:07:42,154 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-19 07:07:42,154 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-19 07:07:42,175 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 07:07:42,298 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-19 07:07:42,298 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-19 07:07:42,300 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 07:07:42,355 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-19 07:07:42,355 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-19 07:07:42,367 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 07:07:42,420 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-19 07:07:42,421 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-19 07:07:42,510 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 07:07:42,528 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-19 07:07:42,529 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-19 07:07:42,555 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 07:07:42,672 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-19 07:07:42,672 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-19 07:07:43,166 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 07:07:43,166 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-19 07:07:43,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 07:07:43 BoogieIcfgContainer [2019-09-19 07:07:43,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 07:07:43,171 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 07:07:43,171 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 07:07:43,172 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 07:07:43,173 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 07:07:43" (1/1) ... [2019-09-19 07:07:43,174 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 07:07:43,201 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 07:07:43,204 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 07:07:43,221 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 07:07:43,229 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 07:07:43,231 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 07:07:43,399 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-19 07:07:43,610 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-19 07:07:43,713 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-19 07:07:44,303 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2019-09-19 07:07:44,466 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-19 07:07:44,778 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-19 07:07:44,896 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:07:45,273 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2019-09-19 07:07:45,402 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:07:45,778 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-19 07:07:45,908 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:07:46,040 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:07:46,170 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:07:46,571 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2019-09-19 07:07:46,749 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-19 07:07:47,032 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-19 07:07:47,162 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:07:47,486 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2019-09-19 07:07:47,621 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:07:47,996 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-19 07:07:48,132 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:07:48,291 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:07:48,424 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:07:49,423 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2019-09-19 07:07:49,871 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-19 07:07:50,068 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-19 07:07:50,261 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-19 07:07:50,567 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-19 07:07:50,701 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:07:51,055 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 98 [2019-09-19 07:07:51,197 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:07:51,582 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-19 07:07:51,754 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:07:51,894 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:07:52,031 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:07:53,366 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2019-09-19 07:07:53,591 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2019-09-19 07:07:53,800 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-19 07:07:54,068 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-19 07:07:54,955 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2019-09-19 07:07:55,107 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-19 07:07:55,263 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:07:55,427 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:07:55,596 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-19 07:07:55,808 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-19 07:07:56,094 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-19 07:07:56,302 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-19 07:07:56,502 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-19 07:07:56,787 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-19 07:07:57,589 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 109 [2019-09-19 07:07:57,744 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-19 07:07:57,901 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:07:58,061 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:07:58,255 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-19 07:08:00,383 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2019-09-19 07:08:01,257 WARN L191 SmtUtils]: Spent 872.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-19 07:08:01,590 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2019-09-19 07:08:04,113 WARN L191 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-09-19 07:08:04,410 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 47 [2019-09-19 07:08:06,201 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-19 07:08:07,054 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-19 07:08:08,743 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-19 07:08:09,580 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-19 07:08:11,991 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-19 07:08:12,213 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 07:08:14,608 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-19 07:08:14,831 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 07:08:14,946 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 45 [2019-09-19 07:08:15,226 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 45 [2019-09-19 07:08:15,408 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 45 [2019-09-19 07:08:15,561 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-19 07:08:15,805 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 48 [2019-09-19 07:08:16,263 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-19 07:08:16,373 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-19 07:08:16,666 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2019-09-19 07:08:16,774 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-19 07:08:17,059 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-19 07:08:17,167 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-19 07:08:17,279 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-19 07:08:17,392 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-19 07:08:17,575 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-19 07:08:17,809 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 51 [2019-09-19 07:08:18,342 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-19 07:08:18,482 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:08:18,626 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:08:18,768 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:08:20,083 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 169 DAG size of output: 159 [2019-09-19 07:08:20,672 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-19 07:08:21,985 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 169 DAG size of output: 159 [2019-09-19 07:08:22,567 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-19 07:08:23,880 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 169 DAG size of output: 159 [2019-09-19 07:08:24,467 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-19 07:08:25,776 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 175 DAG size of output: 153 [2019-09-19 07:08:26,341 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-19 07:08:27,624 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 175 DAG size of output: 153 [2019-09-19 07:08:28,208 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-19 07:08:28,531 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2019-09-19 07:08:28,674 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-19 07:08:28,829 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 1 [2019-09-19 07:08:29,107 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-19 07:08:29,246 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:08:29,400 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:08:29,537 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:08:29,681 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:08:29,826 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:08:30,153 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 110 [2019-09-19 07:08:30,306 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-19 07:08:32,062 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 171 DAG size of output: 168 [2019-09-19 07:08:32,490 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-19 07:08:34,223 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 171 DAG size of output: 168 [2019-09-19 07:08:34,654 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-19 07:08:36,387 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 171 DAG size of output: 168 [2019-09-19 07:08:36,822 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-19 07:08:37,064 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2019-09-19 07:08:37,174 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-19 07:08:37,481 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-19 07:08:37,783 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-19 07:08:38,809 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2019-09-19 07:08:39,132 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-19 07:08:39,534 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2019-09-19 07:08:39,730 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 07:08:40,251 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2019-09-19 07:08:40,477 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-19 07:08:40,955 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 103 [2019-09-19 07:08:41,178 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-19 07:08:41,642 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2019-09-19 07:08:41,865 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-19 07:08:42,089 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-19 07:08:42,313 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-19 07:08:42,780 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 99 [2019-09-19 07:08:42,993 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-19 07:08:43,569 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 106 [2019-09-19 07:08:43,769 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-19 07:08:44,235 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 79 [2019-09-19 07:08:44,446 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-19 07:08:44,901 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 79 [2019-09-19 07:08:45,106 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-19 07:08:45,559 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 79 [2019-09-19 07:08:45,765 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-19 07:08:46,010 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2019-09-19 07:08:46,123 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-19 07:08:46,431 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-19 07:08:46,741 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-19 07:08:47,758 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2019-09-19 07:08:48,062 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-19 07:08:48,509 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2019-09-19 07:08:48,716 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 07:08:49,222 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2019-09-19 07:08:49,446 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-19 07:08:49,915 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 103 [2019-09-19 07:08:50,131 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-19 07:08:50,608 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2019-09-19 07:08:50,820 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-19 07:08:51,035 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-19 07:08:51,253 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-19 07:08:51,698 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2019-09-19 07:08:51,892 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:08:52,468 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 106 [2019-09-19 07:08:52,665 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-19 07:08:53,163 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 79 [2019-09-19 07:08:53,367 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-19 07:08:53,840 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 79 [2019-09-19 07:08:54,045 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-19 07:08:54,524 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 79 [2019-09-19 07:08:54,733 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-19 07:08:55,224 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-19 07:08:55,464 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-19 07:08:56,994 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 175 DAG size of output: 169 [2019-09-19 07:08:57,742 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-09-19 07:08:59,725 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 180 DAG size of output: 172 [2019-09-19 07:09:00,218 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2019-09-19 07:09:00,377 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 72 for LOIs [2019-09-19 07:09:00,611 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-19 07:09:00,898 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-19 07:09:01,197 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-19 07:09:01,512 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-19 07:09:01,618 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-19 07:09:01,743 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-09-19 07:09:02,358 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 109 [2019-09-19 07:09:02,521 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-19 07:09:02,689 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:09:02,851 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:09:03,007 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-19 07:09:03,217 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-19 07:09:03,504 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-19 07:09:03,714 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-19 07:09:03,929 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-19 07:09:04,203 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-19 07:09:05,013 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 109 [2019-09-19 07:09:05,179 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-19 07:09:05,343 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:09:05,505 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:09:05,707 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-19 07:09:05,974 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-19 07:09:06,785 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2019-09-19 07:09:06,939 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-19 07:09:07,105 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:09:07,275 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:09:07,467 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:09:07,654 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:09:07,655 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 21 for LOIs [2019-09-19 07:09:07,797 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-19 07:09:07,888 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_InternIoCtl with input of size 68 for LOIs [2019-09-19 07:09:09,745 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2019-09-19 07:09:10,633 WARN L191 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-19 07:09:10,942 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2019-09-19 07:09:13,456 WARN L191 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-09-19 07:09:13,732 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 47 [2019-09-19 07:09:15,520 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-19 07:09:16,359 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-19 07:09:18,076 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-19 07:09:18,919 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-19 07:09:21,290 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-19 07:09:21,510 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 07:09:23,883 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-19 07:09:24,103 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 07:09:24,620 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 45 [2019-09-19 07:09:24,772 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-19 07:09:25,018 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 48 [2019-09-19 07:09:25,179 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 51 [2019-09-19 07:09:25,322 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 53 for LOIs [2019-09-19 07:09:25,325 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_CreateClose with input of size 68 for LOIs [2019-09-19 07:09:25,559 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2019-09-19 07:09:25,671 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-19 07:09:25,974 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-19 07:09:26,273 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-19 07:09:27,296 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2019-09-19 07:09:27,592 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-19 07:09:27,723 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2019-09-19 07:09:27,759 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_DispatchPassThrough with input of size 48 for LOIs [2019-09-19 07:09:28,211 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-19 07:09:28,345 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-19 07:09:28,354 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 76 for LOIs [2019-09-19 07:09:28,529 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-19 07:09:28,855 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2019-09-19 07:09:29,107 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-19 07:09:29,573 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 81 [2019-09-19 07:09:30,010 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2019-09-19 07:09:30,173 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-19 07:09:30,178 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_Power with input of size 66 for LOIs [2019-09-19 07:09:30,187 INFO L199 IcfgInterpreter]: Interpreting procedure PoCallDriver with input of size 66 for LOIs [2019-09-19 07:09:30,198 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 65 for LOIs [2019-09-19 07:09:30,201 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 1 for LOIs [2019-09-19 07:09:30,202 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 07:09:30,202 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 07:09:30,203 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1421#true [2019-09-19 07:09:30,222 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 07:09:30,222 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 07:09:30,223 INFO L168 Benchmark]: Toolchain (without parser) took 109178.18 ms. Allocated memory was 141.6 MB in the beginning and 316.1 MB in the end (delta: 174.6 MB). Free memory was 87.0 MB in the beginning and 181.7 MB in the end (delta: -94.7 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2019-09-19 07:09:30,224 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 141.6 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 07:09:30,224 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.26 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 86.8 MB in the beginning and 169.8 MB in the end (delta: -83.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-09-19 07:09:30,225 INFO L168 Benchmark]: Boogie Preprocessor took 98.59 ms. Allocated memory is still 200.8 MB. Free memory was 169.8 MB in the beginning and 166.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-19 07:09:30,225 INFO L168 Benchmark]: RCFGBuilder took 1454.91 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 166.0 MB in the beginning and 157.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2019-09-19 07:09:30,226 INFO L168 Benchmark]: Sifa took 107050.76 ms. Allocated memory was 228.6 MB in the beginning and 316.1 MB in the end (delta: 87.6 MB). Free memory was 157.4 MB in the beginning and 181.7 MB in the end (delta: -24.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. [2019-09-19 07:09:30,228 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 141.6 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 570.26 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 86.8 MB in the beginning and 169.8 MB in the end (delta: -83.1 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.59 ms. Allocated memory is still 200.8 MB. Free memory was 169.8 MB in the beginning and 166.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1454.91 ms. Allocated memory was 200.8 MB in the beginning and 228.6 MB in the end (delta: 27.8 MB). Free memory was 166.0 MB in the beginning and 157.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. * Sifa took 107050.76 ms. Allocated memory was 228.6 MB in the beginning and 316.1 MB in the end (delta: 87.6 MB). Free memory was 157.4 MB in the beginning and 181.7 MB in the end (delta: -24.3 MB). Peak memory consumption was 63.3 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]: 107003, ICFG_INTERPRETER_ENTERED_PROCEDURES: 13, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 762, DAG_INTERPRETER_EARLY_EXITS: 47, TOOLS_POST_APPLICATIONS: 613, TOOLS_POST_TIME[ms]: 293, TOOLS_POST_CALL_APPLICATIONS: 114, TOOLS_POST_CALL_TIME[ms]: 283, TOOLS_POST_RETURN_APPLICATIONS: 88, TOOLS_POST_RETURN_TIME[ms]: 141, TOOLS_QUANTIFIERELIM_APPLICATIONS: 752, TOOLS_QUANTIFIERELIM_TIME[ms]: 504, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 23, FLUID_QUERY_TIME[ms]: 23, FLUID_QUERIES: 762, FLUID_YES_ANSWERS: 5, DOMAIN_JOIN_APPLICATIONS: 227, DOMAIN_JOIN_TIME[ms]: 105493, DOMAIN_ALPHA_APPLICATIONS: 5, DOMAIN_ALPHA_TIME[ms]: 52, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 209, DOMAIN_ISBOTTOM_TIME[ms]: 507, 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: 0, CALL_SUMMARIZER_CACHE_MISSES: 88, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 58312, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 66, DAG_COMPRESSION_PROCESSED_NODES: 2771, DAG_COMPRESSION_RETAINED_NODES: 524 - UnprovableResult [Line: 1012]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1421#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...