java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:20:55,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:20:55,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:20:55,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:20:55,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:20:55,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:20:55,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:20:55,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:20:55,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:20:55,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:20:55,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:20:55,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:20:55,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:20:55,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:20:55,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:20:55,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:20:55,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:20:55,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:20:55,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:20:55,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:20:55,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:20:55,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:20:55,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:20:55,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:20:55,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:20:55,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:20:55,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:20:55,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:20:55,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:20:55,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:20:55,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:20:55,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:20:55,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:20:55,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:20:55,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:20:55,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:20:55,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:20:55,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:20:55,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:20:55,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:20:55,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:20:55,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 20:20:55,333 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:20:55,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:20:55,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:20:55,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:20:55,335 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:20:55,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:20:55,336 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:20:55,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:20:55,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:20:55,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:20:55,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:20:55,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:20:55,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:20:55,337 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:20:55,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:20:55,338 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:20:55,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:20:55,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:20:55,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:20:55,338 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:20:55,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:20:55,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:20:55,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:20:55,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:20:55,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:20:55,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:20:55,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:20:55,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:20:55,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> ReUseSupersetCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 20:20:55,369 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:20:55,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:20:55,385 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:20:55,387 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:20:55,387 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:20:55,388 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-20 20:20:55,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70a5ff9be/ec67b28ba7184c76b4072b680d9505d0/FLAG66a9e0c3f [2019-09-20 20:20:56,041 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:20:56,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-20 20:20:56,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70a5ff9be/ec67b28ba7184c76b4072b680d9505d0/FLAG66a9e0c3f [2019-09-20 20:20:56,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70a5ff9be/ec67b28ba7184c76b4072b680d9505d0 [2019-09-20 20:20:56,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:20:56,320 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:20:56,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:20:56,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:20:56,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:20:56,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e35f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56, skipping insertion in model container [2019-09-20 20:20:56,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,337 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:20:56,392 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:20:56,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:20:56,823 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:20:56,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:20:56,957 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:20:56,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56 WrapperNode [2019-09-20 20:20:56,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:20:56,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:20:56,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:20:56,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:20:56,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:57,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:57,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:57,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:57,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:20:57,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:20:57,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:20:57,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:20:57,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:20:57,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:20:57,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:20:57,086 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 20:20:57,086 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 20:20:57,086 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 20:20:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:20:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 20:20:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 20:20:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 20:20:57,087 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 20:20:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 20:20:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 20:20:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-20 20:20:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-20 20:20:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-20 20:20:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-20 20:20:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-20 20:20:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 20:20:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:20:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 20:20:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 20:20:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 20:20:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 20:20:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 20:20:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 20:20:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 20:20:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 20:20:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 20:20:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-20 20:20:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-20 20:20:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-20 20:20:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-20 20:20:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-20 20:20:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 20:20:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 20:20:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 20:20:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 20:20:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:20:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 20:20:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:20:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:20:57,342 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:20:57,419 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 20:20:57,419 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 20:20:57,448 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:20:57,585 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-20 20:20:57,585 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-20 20:20:57,587 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:20:57,621 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 20:20:57,621 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 20:20:57,626 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:20:57,782 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 20:20:57,782 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 20:20:57,875 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:20:57,893 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 20:20:57,893 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 20:20:57,929 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:20:58,044 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 20:20:58,044 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 20:20:58,513 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:20:58,514 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 20:20:58,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:20:58 BoogieIcfgContainer [2019-09-20 20:20:58,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:20:58,519 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:20:58,519 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:20:58,519 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:20:58,521 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:20:58" (1/1) ... [2019-09-20 20:20:58,521 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:20:58,545 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:20:58,545 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:20:58,555 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:20:58,565 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:20:58,567 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:20:58,740 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-20 20:20:58,949 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 20:20:59,055 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 20:20:59,218 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 20:20:59,718 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2019-09-20 20:20:59,885 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 20:21:00,204 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 20:21:00,316 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 20:21:00,703 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2019-09-20 20:21:00,844 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 20:21:01,186 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-20 20:21:01,316 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 20:21:01,457 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 20:21:01,589 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 20:21:02,015 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2019-09-20 20:21:02,185 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 20:21:02,375 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 20:21:03,377 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2019-09-20 20:21:03,813 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 20:21:04,030 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 20:21:04,241 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 20:21:04,396 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 20:21:05,760 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2019-09-20 20:21:06,115 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-20 20:21:06,401 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-20 20:21:06,511 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 20:21:07,293 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 109 [2019-09-20 20:21:07,454 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 20:21:07,627 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 20:21:07,807 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 20:21:07,980 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 20:21:08,192 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 20:21:08,522 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-20 20:21:08,739 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 20:21:08,963 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 20:21:09,168 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-20 20:21:11,299 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2019-09-20 20:21:12,203 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-20 20:21:12,510 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2019-09-20 20:21:15,098 WARN L191 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-09-20 20:21:15,404 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 47 [2019-09-20 20:21:17,224 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-20 20:21:18,090 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-20 20:21:19,859 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-20 20:21:20,706 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-20 20:21:23,094 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-20 20:21:23,327 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-20 20:21:25,754 WARN L191 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-20 20:21:25,978 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-20 20:21:26,219 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 45 [2019-09-20 20:21:26,371 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 45 [2019-09-20 20:21:26,518 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 45 [2019-09-20 20:21:26,672 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 20:21:26,916 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 48 [2019-09-20 20:21:27,375 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-20 20:21:27,486 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 20:21:27,791 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2019-09-20 20:21:27,901 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 20:21:28,196 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-20 20:21:28,309 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 20:21:28,425 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 20:21:28,542 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 20:21:28,730 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-20 20:21:28,962 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 51 [2019-09-20 20:21:29,539 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-20 20:21:29,685 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 20:21:29,828 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 20:21:29,988 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 20:21:31,341 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 169 DAG size of output: 159 [2019-09-20 20:21:31,927 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 20:21:33,265 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 169 DAG size of output: 159 [2019-09-20 20:21:33,873 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 20:21:35,205 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 169 DAG size of output: 159 [2019-09-20 20:21:35,805 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 20:21:37,119 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 175 DAG size of output: 153 [2019-09-20 20:21:37,713 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 20:21:39,055 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 175 DAG size of output: 153 [2019-09-20 20:21:39,646 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-09-20 20:21:39,969 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2019-09-20 20:21:40,106 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 20:21:40,248 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 1