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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --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 17:24:03,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:24:03,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:24:03,260 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:24:03,261 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:24:03,262 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:24:03,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:24:03,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:24:03,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:24:03,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:24:03,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:24:03,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:24:03,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:24:03,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:24:03,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:24:03,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:24:03,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:24:03,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:24:03,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:24:03,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:24:03,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:24:03,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:24:03,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:24:03,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:24:03,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:24:03,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:24:03,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:24:03,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:24:03,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:24:03,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:24:03,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:24:03,289 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:24:03,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:24:03,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:24:03,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:24:03,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:24:03,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:24:03,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:24:03,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:24:03,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:24:03,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:24:03,295 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 17:24:03,309 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:24:03,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:24:03,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:24:03,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:24:03,311 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:24:03,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:24:03,312 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:24:03,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:24:03,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:24:03,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:24:03,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:24:03,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:24:03,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:24:03,313 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:24:03,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:24:03,313 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:24:03,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:24:03,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:24:03,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:24:03,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:24:03,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:24:03,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:24:03,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:24:03,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:24:03,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:24:03,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:24:03,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:24:03,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:24:03,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 -> 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 17:24:03,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:24:03,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:24:03,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:24:03,374 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:24:03,374 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:24:03,375 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-20 17:24:03,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/089a620f8/e7d6cedbc4e142aca132555ef565db5b/FLAG8994fd5ba [2019-09-20 17:24:03,939 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:24:03,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-20 17:24:03,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/089a620f8/e7d6cedbc4e142aca132555ef565db5b/FLAG8994fd5ba [2019-09-20 17:24:04,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/089a620f8/e7d6cedbc4e142aca132555ef565db5b [2019-09-20 17:24:04,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:24:04,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:24:04,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:24:04,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:24:04,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:24:04,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:24:04" (1/1) ... [2019-09-20 17:24:04,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b2b77f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:04, skipping insertion in model container [2019-09-20 17:24:04,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:24:04" (1/1) ... [2019-09-20 17:24:04,315 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:24:04,372 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:24:04,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:24:04,792 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:24:04,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:24:04,931 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:24:04,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:04 WrapperNode [2019-09-20 17:24:04,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:24:04,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:24:04,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:24:04,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:24:04,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:04" (1/1) ... [2019-09-20 17:24:04,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:04" (1/1) ... [2019-09-20 17:24:04,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:04" (1/1) ... [2019-09-20 17:24:04,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:04" (1/1) ... [2019-09-20 17:24:04,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:04" (1/1) ... [2019-09-20 17:24:04,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:04" (1/1) ... [2019-09-20 17:24:04,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:04" (1/1) ... [2019-09-20 17:24:05,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:24:05,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:24:05,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:24:05,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:24:05,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:04" (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 17:24:05,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:24:05,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:24:05,059 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 17:24:05,059 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 17:24:05,059 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 17:24:05,059 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:24:05,060 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 17:24:05,060 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 17:24:05,060 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 17:24:05,060 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 17:24:05,060 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 17:24:05,060 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 17:24:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-20 17:24:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-20 17:24:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-20 17:24:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-20 17:24:05,061 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-20 17:24:05,062 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 17:24:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:24:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 17:24:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:24:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 17:24:05,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 17:24:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-20 17:24:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 17:24:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 17:24:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 17:24:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 17:24:05,063 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 17:24:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-20 17:24:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-20 17:24:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-20 17:24:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-20 17:24:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 17:24:05,064 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 17:24:05,065 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 17:24:05,065 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 17:24:05,065 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:24:05,065 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 17:24:05,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:24:05,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:24:05,346 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 17:24:05,418 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 17:24:05,418 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 17:24:05,437 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 17:24:05,578 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-20 17:24:05,579 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-20 17:24:05,580 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 17:24:05,630 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 17:24:05,631 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 17:24:05,644 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 17:24:05,709 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 17:24:05,709 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 17:24:05,803 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 17:24:05,824 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 17:24:05,824 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 17:24:05,849 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 17:24:05,947 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 17:24:05,948 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 17:24:06,422 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:24:06,422 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 17:24:06,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:24:06 BoogieIcfgContainer [2019-09-20 17:24:06,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:24:06,429 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:24:06,429 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:24:06,430 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:24:06,431 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:24:06" (1/1) ... [2019-09-20 17:24:06,432 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 17:24:06,463 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:24:06,466 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:24:06,482 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:24:06,495 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:24:06,496 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:24:06,801 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 17:24:07,060 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 48 [2019-09-20 17:24:07,074 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 86 for LOIs [2019-09-20 17:24:07,478 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2019-09-20 17:24:07,979 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2019-09-20 17:24:08,838 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2019-09-20 17:24:09,043 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2019-09-20 17:24:09,178 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 17:24:09,311 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 17:24:09,587 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-20 17:24:09,775 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 17:24:09,933 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 17:24:10,358 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-20 17:24:10,539 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 17:24:10,694 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 17:24:11,056 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-20 17:24:11,895 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2019-09-20 17:24:12,155 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 17:24:12,800 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 107 [2019-09-20 17:24:13,080 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2019-09-20 17:24:13,771 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 122 [2019-09-20 17:24:14,108 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:24:14,856 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 119 [2019-09-20 17:24:16,022 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2019-09-20 17:24:16,250 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:24:16,379 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:24:16,908 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 87 [2019-09-20 17:24:17,919 WARN L191 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-09-20 17:24:18,402 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-09-20 17:24:19,522 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 179 DAG size of output: 157 [2019-09-20 17:24:19,921 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 17:24:20,320 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 17:24:21,273 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 159 [2019-09-20 17:24:22,291 WARN L191 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2019-09-20 17:24:22,683 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 17:24:22,848 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:24:23,550 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2019-09-20 17:24:23,672 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 1 [2019-09-20 17:24:23,814 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 17:24:24,789 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2019-09-20 17:24:25,243 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 17:24:25,364 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:24:26,335 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2019-09-20 17:24:26,480 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 17:24:27,864 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 112 DAG size of output: 101 [2019-09-20 17:24:28,239 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 17:24:28,370 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:24:29,117 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2019-09-20 17:24:29,261 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 17:24:30,046 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2019-09-20 17:24:30,431 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 17:24:30,549 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:24:31,306 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2019-09-20 17:24:32,099 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2019-09-20 17:24:32,486 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 17:24:32,599 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:24:33,362 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2019-09-20 17:24:34,275 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2019-09-20 17:24:34,719 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 17:24:34,841 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:24:35,773 WARN L191 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2019-09-20 17:24:36,685 WARN L191 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2019-09-20 17:24:37,134 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 17:24:37,251 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:24:38,189 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2019-09-20 17:24:39,257 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2019-09-20 17:24:39,791 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 17:24:39,919 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:24:40,835 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2019-09-20 17:24:41,938 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 120 DAG size of output: 119 [2019-09-20 17:24:42,476 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 17:24:42,598 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:24:43,514 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 116 [2019-09-20 17:24:44,605 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 127 DAG size of output: 127 [2019-09-20 17:24:45,145 WARN L191 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 17:24:45,272 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:24:46,389 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2019-09-20 17:24:47,506 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 127 DAG size of output: 127 [2019-09-20 17:24:48,061 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 127