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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:25:26,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:25:26,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:25:26,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:25:26,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:25:26,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:25:26,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:25:26,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:25:26,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:25:26,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:25:26,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:25:26,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:25:26,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:25:26,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:25:26,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:25:26,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:25:26,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:25:26,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:25:26,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:25:26,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:25:26,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:25:26,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:25:26,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:25:26,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:25:26,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:25:26,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:25:26,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:25:26,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:25:26,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:25:26,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:25:26,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:25:26,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:25:26,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:25:26,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:25:26,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:25:26,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:25:26,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:25:26,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:25:26,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:25:26,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:25:26,224 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:25:26,225 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 19:25:26,241 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:25:26,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:25:26,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:25:26,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:25:26,243 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:25:26,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:25:26,244 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:25:26,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:25:26,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:25:26,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:25:26,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:25:26,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:25:26,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:25:26,246 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:25:26,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:25:26,247 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:25:26,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:25:26,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:25:26,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:25:26,247 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:25:26,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:25:26,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:25:26,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:25:26,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:25:26,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:25:26,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:25:26,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:25:26,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:25:26,249 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 19:25:26,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:25:26,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:25:26,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:25:26,314 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:25:26,315 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:25:26,318 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-20 19:25:26,390 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3fac8f66/7d74aeff02a449d28bc34879e2ee6a11/FLAGb5476fcc1 [2019-09-20 19:25:26,860 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:25:26,861 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-20 19:25:26,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3fac8f66/7d74aeff02a449d28bc34879e2ee6a11/FLAGb5476fcc1 [2019-09-20 19:25:27,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3fac8f66/7d74aeff02a449d28bc34879e2ee6a11 [2019-09-20 19:25:27,199 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:25:27,201 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:25:27,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:25:27,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:25:27,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:25:27,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb11c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27, skipping insertion in model container [2019-09-20 19:25:27,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,217 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:25:27,273 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:25:27,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:25:27,686 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:25:27,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:25:27,806 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:25:27,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27 WrapperNode [2019-09-20 19:25:27,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:25:27,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:25:27,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:25:27,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:25:27,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... [2019-09-20 19:25:27,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:25:27,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:25:27,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:25:27,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:25:27,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:25:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:25:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:25:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 19:25:27,947 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 19:25:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 19:25:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:25:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 19:25:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 19:25:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 19:25:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 19:25:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 19:25:27,949 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 19:25:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-20 19:25:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-20 19:25:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-20 19:25:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-20 19:25:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-20 19:25:27,950 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 19:25:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:25:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 19:25:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:25:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 19:25:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 19:25:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-20 19:25:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 19:25:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 19:25:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 19:25:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 19:25:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 19:25:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-20 19:25:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-20 19:25:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-20 19:25:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-20 19:25:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 19:25:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 19:25:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 19:25:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 19:25:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:25:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 19:25:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:25:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:25:28,276 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,421 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 19:25:28,421 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 19:25:28,452 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,646 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-20 19:25:28,647 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-20 19:25:28,648 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,727 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 19:25:28,728 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 19:25:28,734 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:28,800 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 19:25:28,801 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 19:25:29,023 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:29,045 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 19:25:29,046 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 19:25:29,095 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:29,253 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 19:25:29,253 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 19:25:29,261 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:25:29,261 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 19:25:29,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:25:29 BoogieIcfgContainer [2019-09-20 19:25:29,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:25:29,265 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:25:29,265 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:25:29,265 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:25:29,267 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:25:29" (1/1) ... [2019-09-20 19:25:29,267 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:25:29,303 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:25:29,303 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:25:29,327 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:25:29,337 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:25:29,339 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:25:29,601 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-20 19:25:31,100 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:31,523 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:32,391 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:32,833 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:33,731 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:34,125 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:35,021 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:35,443 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:36,314 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:36,735 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:37,633 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:38,037 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:38,888 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:39,291 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:40,155 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:40,596 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:41,434 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:41,840 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:42,521 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-20 19:25:42,809 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 19:25:43,463 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-20 19:25:43,771 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 19:25:44,640 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2019-09-20 19:25:45,521 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2019-09-20 19:25:45,996 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-20 19:25:46,120 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 19:25:46,522 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-20 19:25:46,642 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 19:25:47,019 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-20 19:25:47,143 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 19:25:47,525 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-20 19:25:47,648 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 19:25:48,431 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 19:25:48,680 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 19:25:49,039 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-09-20 19:25:49,215 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-09-20 19:25:49,484 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 19:25:49,720 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 19:25:50,359 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2019-09-20 19:25:50,559 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-20 19:25:50,707 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-20 19:25:50,873 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-20 19:25:51,020 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-09-20 19:25:51,246 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-09-20 19:25:51,637 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2019-09-20 19:25:51,786 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-09-20 19:25:51,948 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:25:52,137 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:25:52,327 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:25:52,541 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 19:25:52,709 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 19:25:52,877 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 19:25:53,016 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-20 19:25:53,324 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-20 19:25:53,444 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 19:25:53,723 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-20 19:25:53,982 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-20 19:25:54,090 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 19:25:54,360 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-20 19:25:54,678 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-20 19:25:54,783 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 19:25:55,055 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-20 19:25:55,240 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-20 19:25:55,469 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-20 19:25:55,766 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-20 19:25:55,990 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-20 19:25:57,723 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 153 DAG size of output: 141 [2019-09-20 19:25:58,503 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 19:26:00,040 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 153 DAG size of output: 141 [2019-09-20 19:26:00,794 WARN L191 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 19:26:01,161 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2019-09-20 19:26:01,517 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2019-09-20 19:26:01,709 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2019-09-20 19:26:02,110 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2019-09-20 19:26:02,224 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 19:26:02,555 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2019-09-20 19:26:02,666 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 19:26:02,978 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2019-09-20 19:26:03,081 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 19:26:03,381 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 90 [2019-09-20 19:26:03,483 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 19:26:03,985 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-20 19:26:04,353 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-20 19:26:04,706 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-20 19:26:05,040 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-20 19:26:05,358 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-20 19:26:05,660 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-09-20 19:26:07,556 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-20 19:26:07,753 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 19:26:08,192 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-20 19:26:08,389 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 19:26:08,855 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2019-09-20 19:26:09,088 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 19:26:09,753 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97