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-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:25:29,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:25:29,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:25:29,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:25:29,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:25:29,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:25:29,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:25:29,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:25:29,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:25:29,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:25:29,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:25:29,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:25:29,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:25:29,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:25:29,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:25:29,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:25:29,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:25:29,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:25:29,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:25:29,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:25:29,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:25:29,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:25:29,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:25:29,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:25:29,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:25:29,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:25:29,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:25:29,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:25:29,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:25:29,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:25:29,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:25:29,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:25:29,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:25:29,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:25:29,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:25:29,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:25:29,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:25:29,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:25:29,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:25:29,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:25:29,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:25:29,292 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 19:25:29,307 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:25:29,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:25:29,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:25:29,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:25:29,309 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:25:29,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:25:29,309 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:25:29,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:25:29,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:25:29,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:25:29,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:25:29,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:25:29,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:25:29,311 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:25:29,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:25:29,311 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:25:29,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:25:29,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:25:29,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:25:29,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:25:29,312 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:25:29,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:25:29,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:25:29,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:25:29,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:25:29,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:25:29,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:25:29,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:25:29,314 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 19:25:29,345 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:25:29,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:25:29,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:25:29,363 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:25:29,363 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:25:29,364 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-20 19:25:29,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08553e0f7/4d51bd55480e4804b90d7943e709735f/FLAG38ae81d4a [2019-09-20 19:25:29,904 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:25:29,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-20 19:25:29,934 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08553e0f7/4d51bd55480e4804b90d7943e709735f/FLAG38ae81d4a [2019-09-20 19:25:30,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08553e0f7/4d51bd55480e4804b90d7943e709735f [2019-09-20 19:25:30,271 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:25:30,273 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:25:30,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:25:30,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:25:30,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:25:30,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:25:30" (1/1) ... [2019-09-20 19:25:30,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb381e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:30, skipping insertion in model container [2019-09-20 19:25:30,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:25:30" (1/1) ... [2019-09-20 19:25:30,292 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:25:30,358 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:25:30,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:25:30,789 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:25:30,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:25:30,890 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:25:30,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:30 WrapperNode [2019-09-20 19:25:30,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:25:30,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:25:30,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:25:30,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:25:30,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:30" (1/1) ... [2019-09-20 19:25:30,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:30" (1/1) ... [2019-09-20 19:25:30,915 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:30" (1/1) ... [2019-09-20 19:25:30,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:30" (1/1) ... [2019-09-20 19:25:30,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:30" (1/1) ... [2019-09-20 19:25:30,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:30" (1/1) ... [2019-09-20 19:25:30,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:30" (1/1) ... [2019-09-20 19:25:30,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:25:30,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:25:30,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:25:30,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:25:30,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:25:30" (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 19:25:31,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:25:31,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:25:31,018 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 19:25:31,018 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 19:25:31,019 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 19:25:31,019 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:25:31,019 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 19:25:31,019 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 19:25:31,019 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 19:25:31,020 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 19:25:31,020 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 19:25:31,020 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 19:25:31,020 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-20 19:25:31,021 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-20 19:25:31,021 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-20 19:25:31,021 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-20 19:25:31,024 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-20 19:25:31,024 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 19:25:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:25:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 19:25:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:25:31,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 19:25:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 19:25:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 19:25:31,025 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 19:25:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 19:25:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 19:25:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 19:25:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-20 19:25:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-20 19:25:31,026 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-20 19:25:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-20 19:25:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-20 19:25:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 19:25:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 19:25:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 19:25:31,028 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 19:25:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:25:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 19:25:31,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:25:31,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:25:31,331 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:31,428 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 19:25:31,428 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 19:25:31,473 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:31,686 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-20 19:25:31,686 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-20 19:25:31,688 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:31,765 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 19:25:31,765 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 19:25:31,773 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:31,844 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 19:25:31,845 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 19:25:32,029 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:32,060 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 19:25:32,060 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 19:25:32,102 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 19:25:32,244 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 19:25:32,245 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 19:25:32,252 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:25:32,252 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 19:25:32,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:25:32 BoogieIcfgContainer [2019-09-20 19:25:32,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:25:32,255 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:25:32,255 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:25:32,255 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:25:32,257 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:25:32" (1/1) ... [2019-09-20 19:25:32,257 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 19:25:32,289 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:25:32,289 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:25:32,319 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:25:32,330 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:25:32,332 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:25:32,533 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-20 19:25:33,899 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:34,363 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:35,283 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:35,713 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:36,621 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:37,046 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:37,985 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:38,469 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:39,438 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:39,871 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:40,830 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:41,263 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:42,202 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:42,616 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:43,536 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:43,988 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:44,887 WARN L191 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:45,318 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:46,244 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:46,679 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:47,569 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:48,012 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:48,940 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:49,367 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:50,304 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:50,736 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:51,626 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-20 19:25:52,067 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 19:25:52,805 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-20 19:25:53,088 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 19:25:53,734 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-20 19:25:54,023 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 19:25:54,875 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2019-09-20 19:25:55,756 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2019-09-20 19:25:56,051 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2019-09-20 19:25:56,484 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-20 19:25:56,605 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 19:25:57,003 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-20 19:25:57,128 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 19:25:57,863 WARN L191 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-20 19:25:57,984 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 19:25:58,716 WARN L191 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-20 19:25:58,840 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 19:25:58,986 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 19:25:59,705 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 19:25:59,931 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 19:26:00,295 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2019-09-20 19:26:00,487 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2019-09-20 19:26:00,740 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 19:26:00,975 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 19:26:01,603 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2019-09-20 19:26:01,806 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-20 19:26:01,954 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-20 19:26:02,104 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-20 19:26:02,251 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-09-20 19:26:02,474 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-09-20 19:26:02,868 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2019-09-20 19:26:03,017 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-09-20 19:26:03,183 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:26:03,374 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:26:03,563 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 19:26:03,782 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 19:26:03,954 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 19:26:04,124 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-20 19:26:04,268 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-20 19:26:04,557 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-20 19:26:04,660 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 19:26:04,927 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-20 19:26:05,186 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-20 19:26:05,291 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 19:26:05,568 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-20 19:26:05,890 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-20 19:26:05,996 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-20 19:26:06,265 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-20 19:26:06,469 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-20 19:26:06,699 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-20 19:26:07,007 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-20 19:26:07,261 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2019-09-20 19:26:07,463 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 19:26:09,075 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 153 DAG size of output: 141 [2019-09-20 19:26:09,851 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 19:26:11,420 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 153 DAG size of output: 141 [2019-09-20 19:26:12,180 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 19:26:12,618 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2019-09-20 19:26:12,999 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2019-09-20 19:26:13,432 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 43 [2019-09-20 19:26:13,810 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2019-09-20 19:26:14,123 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2019-09-20 19:26:14,511 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 46