java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 07:06:23,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 07:06:23,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 07:06:23,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 07:06:23,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 07:06:23,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 07:06:23,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 07:06:23,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 07:06:23,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 07:06:23,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 07:06:23,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 07:06:23,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 07:06:23,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 07:06:23,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 07:06:23,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 07:06:23,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 07:06:23,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 07:06:23,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 07:06:23,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 07:06:23,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 07:06:23,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 07:06:23,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 07:06:23,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 07:06:23,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 07:06:23,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 07:06:23,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 07:06:23,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 07:06:23,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 07:06:23,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 07:06:23,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 07:06:23,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 07:06:23,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 07:06:23,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 07:06:23,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 07:06:23,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 07:06:23,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 07:06:23,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 07:06:23,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 07:06:23,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 07:06:23,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 07:06:23,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 07:06:23,361 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-19 07:06:23,382 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 07:06:23,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 07:06:23,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 07:06:23,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 07:06:23,383 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 07:06:23,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 07:06:23,384 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 07:06:23,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 07:06:23,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 07:06:23,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 07:06:23,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 07:06:23,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 07:06:23,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 07:06:23,388 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 07:06:23,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 07:06:23,389 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 07:06:23,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 07:06:23,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 07:06:23,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 07:06:23,392 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 07:06:23,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 07:06:23,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 07:06:23,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 07:06:23,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 07:06:23,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 07:06:23,393 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 07:06:23,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 07:06:23,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 07:06:23,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 07:06:23,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 07:06:23,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 07:06:23,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 07:06:23,444 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 07:06:23,445 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 07:06:23,445 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-19 07:06:23,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7881ef43/76764c1e89cc48d7a3f0cc545b1c1ee2/FLAG1fd632477 [2019-09-19 07:06:24,053 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 07:06:24,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-19 07:06:24,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7881ef43/76764c1e89cc48d7a3f0cc545b1c1ee2/FLAG1fd632477 [2019-09-19 07:06:24,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7881ef43/76764c1e89cc48d7a3f0cc545b1c1ee2 [2019-09-19 07:06:24,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 07:06:24,360 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 07:06:24,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 07:06:24,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 07:06:24,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 07:06:24,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 07:06:24" (1/1) ... [2019-09-19 07:06:24,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527c315d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:06:24, skipping insertion in model container [2019-09-19 07:06:24,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 07:06:24" (1/1) ... [2019-09-19 07:06:24,375 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 07:06:24,436 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 07:06:24,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 07:06:24,706 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 07:06:24,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 07:06:24,915 INFO L192 MainTranslator]: Completed translation [2019-09-19 07:06:24,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:06:24 WrapperNode [2019-09-19 07:06:24,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 07:06:24,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 07:06:24,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 07:06:24,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 07:06:24,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:06:24" (1/1) ... [2019-09-19 07:06:24,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:06:24" (1/1) ... [2019-09-19 07:06:24,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:06:24" (1/1) ... [2019-09-19 07:06:24,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:06:24" (1/1) ... [2019-09-19 07:06:24,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:06:24" (1/1) ... [2019-09-19 07:06:24,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:06:24" (1/1) ... [2019-09-19 07:06:24,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:06:24" (1/1) ... [2019-09-19 07:06:24,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 07:06:24,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 07:06:24,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 07:06:24,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 07:06:24,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:06:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 07:06:25,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 07:06:25,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 07:06:25,056 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-19 07:06:25,056 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-19 07:06:25,056 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-19 07:06:25,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 07:06:25,057 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-19 07:06:25,057 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-19 07:06:25,057 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-19 07:06:25,057 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-19 07:06:25,058 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-19 07:06:25,058 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-19 07:06:25,058 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-19 07:06:25,058 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-19 07:06:25,058 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-19 07:06:25,059 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-19 07:06:25,059 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-19 07:06:25,059 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-19 07:06:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 07:06:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-19 07:06:25,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 07:06:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-19 07:06:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-19 07:06:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-19 07:06:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-19 07:06:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-19 07:06:25,060 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-19 07:06:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-19 07:06:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-19 07:06:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-19 07:06:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-19 07:06:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-19 07:06:25,061 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-19 07:06:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-19 07:06:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-19 07:06:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-19 07:06:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-19 07:06:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 07:06:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-19 07:06:25,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 07:06:25,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 07:06:25,373 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 07:06:25,447 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-19 07:06:25,447 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-19 07:06:25,465 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 07:06:25,625 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-19 07:06:25,626 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-19 07:06:25,628 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 07:06:25,691 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-19 07:06:25,691 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-19 07:06:25,701 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 07:06:25,745 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-19 07:06:25,745 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-19 07:06:25,844 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 07:06:25,872 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-19 07:06:25,873 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-19 07:06:25,897 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 07:06:25,993 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-19 07:06:25,994 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-19 07:06:26,457 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 07:06:26,458 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-19 07:06:26,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 07:06:26 BoogieIcfgContainer [2019-09-19 07:06:26,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 07:06:26,460 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 07:06:26,460 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 07:06:26,460 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 07:06:26,462 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 07:06:26" (1/1) ... [2019-09-19 07:06:26,462 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 07:06:26,495 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 07:06:26,496 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 07:06:26,522 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 07:06:26,533 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 07:06:26,534 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 07:06:26,743 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-19 07:06:26,948 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-19 07:06:27,692 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2019-09-19 07:06:27,848 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-19 07:06:28,211 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-19 07:06:28,342 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:06:28,683 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2019-09-19 07:06:28,816 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:06:29,200 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-19 07:06:29,330 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:06:29,465 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:06:29,616 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:06:29,990 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2019-09-19 07:06:30,167 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-19 07:06:30,450 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-19 07:06:30,578 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:06:30,915 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2019-09-19 07:06:31,044 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:06:31,402 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-19 07:06:31,525 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:06:31,655 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:06:31,807 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:06:32,781 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2019-09-19 07:06:33,204 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-19 07:06:33,381 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-19 07:06:33,537 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-19 07:06:33,827 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-19 07:06:33,971 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:06:34,347 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2019-09-19 07:06:34,478 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:06:34,848 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-19 07:06:34,984 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:06:35,150 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:06:35,291 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:06:36,639 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2019-09-19 07:06:36,860 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2019-09-19 07:06:37,084 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-19 07:06:37,348 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-19 07:06:38,120 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 109 [2019-09-19 07:06:38,263 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-19 07:06:38,407 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:06:38,555 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:06:38,724 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-19 07:06:38,933 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-19 07:06:39,230 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-19 07:06:39,423 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-19 07:06:39,642 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-19 07:06:39,889 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-19 07:06:40,697 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 109 [2019-09-19 07:06:40,845 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-19 07:06:41,009 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:06:41,172 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:06:41,363 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-19 07:06:43,369 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2019-09-19 07:06:44,213 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-19 07:06:44,509 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2019-09-19 07:06:46,924 WARN L191 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-09-19 07:06:47,203 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 47 [2019-09-19 07:06:48,911 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-19 07:06:49,730 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-19 07:06:51,425 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-19 07:06:52,226 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-19 07:06:54,488 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-19 07:06:54,699 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 07:06:56,978 WARN L191 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-19 07:06:57,192 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 07:06:57,835 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-19 07:06:58,513 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-19 07:06:58,879 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-19 07:06:58,984 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-19 07:06:59,263 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-19 07:06:59,366 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-19 07:06:59,473 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-19 07:06:59,577 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-19 07:06:59,758 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-19 07:06:59,982 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 51 [2019-09-19 07:07:00,476 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-19 07:07:00,611 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:07:00,745 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:07:00,876 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:07:02,144 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 169 DAG size of output: 161 [2019-09-19 07:07:02,682 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-19 07:07:03,909 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 169 DAG size of output: 161 [2019-09-19 07:07:04,455 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-09-19 07:07:04,753 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2019-09-19 07:07:04,896 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-19 07:07:05,029 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 1 [2019-09-19 07:07:05,293 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-19 07:07:05,422 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:07:05,560 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:07:05,691 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:07:05,826 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:07:05,960 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:07:06,280 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 110 [2019-09-19 07:07:06,428 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-19 07:07:08,091 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 174 DAG size of output: 171 [2019-09-19 07:07:08,433 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2019-09-19 07:07:10,077 WARN L191 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 174 DAG size of output: 171 [2019-09-19 07:07:10,447 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 48 [2019-09-19 07:07:10,681 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2019-09-19 07:07:10,787 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-19 07:07:11,092 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-19 07:07:11,381 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-19 07:07:12,337 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2019-09-19 07:07:12,620 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-19 07:07:13,016 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2019-09-19 07:07:13,198 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 07:07:13,696 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2019-09-19 07:07:13,911 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-19 07:07:14,354 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 103 [2019-09-19 07:07:14,565 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-19 07:07:15,025 WARN L191 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2019-09-19 07:07:15,234 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-19 07:07:15,450 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-19 07:07:15,668 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-19 07:07:16,095 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2019-09-19 07:07:16,298 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-19 07:07:16,909 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 106 [2019-09-19 07:07:17,149 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-19 07:07:17,313 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 48 [2019-09-19 07:07:17,507 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 48 [2019-09-19 07:07:17,782 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2019-09-19 07:07:17,895 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-19 07:07:18,182 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-19 07:07:18,475 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-19 07:07:19,057 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2019-09-19 07:07:19,337 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-19 07:07:19,753 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2019-09-19 07:07:19,947 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-19 07:07:20,427 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2019-09-19 07:07:20,631 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-19 07:07:21,074 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 103 [2019-09-19 07:07:21,277 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-19 07:07:21,713 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2019-09-19 07:07:21,914 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-19 07:07:22,124 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-19 07:07:22,328 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-19 07:07:22,755 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2019-09-19 07:07:22,936 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-19 07:07:23,540 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 112 [2019-09-19 07:07:23,798 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-19 07:07:24,065 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 48 [2019-09-19 07:07:24,360 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 48 [2019-09-19 07:07:24,730 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-19 07:07:24,887 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-19 07:07:25,310 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2019-09-19 07:07:25,643 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 72 for LOIs [2019-09-19 07:07:25,842 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-19 07:07:26,095 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2019-09-19 07:07:26,335 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-19 07:07:26,586 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-19 07:07:27,323 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 109 [2019-09-19 07:07:27,472 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-19 07:07:27,620 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:07:27,767 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:07:27,925 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-19 07:07:28,106 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-19 07:07:28,371 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-19 07:07:28,564 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-19 07:07:28,761 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-19 07:07:29,071 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-19 07:07:29,857 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2019-09-19 07:07:30,009 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-19 07:07:30,163 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:07:30,321 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:07:30,513 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-19 07:07:30,762 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-19 07:07:31,528 WARN L191 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2019-09-19 07:07:31,670 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-19 07:07:31,818 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:07:31,962 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-19 07:07:32,151 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:07:32,320 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:07:32,320 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 21 for LOIs [2019-09-19 07:07:32,455 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-19 07:07:32,564 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_InternIoCtl with input of size 68 for LOIs [2019-09-19 07:07:34,321 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2019-09-19 07:07:35,165 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-19 07:07:35,452 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2019-09-19 07:07:37,845 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-09-19 07:07:38,110 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 47 [2019-09-19 07:07:39,796 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-19 07:07:40,596 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-19 07:07:42,246 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-19 07:07:43,063 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-19 07:07:45,336 WARN L191 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-19 07:07:45,545 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 07:07:47,820 WARN L191 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-19 07:07:48,028 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 07:07:48,674 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-19 07:07:49,059 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 51 [2019-09-19 07:07:49,198 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 53 for LOIs [2019-09-19 07:07:49,264 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_CreateClose with input of size 68 for LOIs [2019-09-19 07:07:49,485 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2019-09-19 07:07:49,591 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-19 07:07:49,896 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-19 07:07:50,189 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-19 07:07:50,768 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2019-09-19 07:07:51,050 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-19 07:07:51,210 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2019-09-19 07:07:51,245 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_DispatchPassThrough with input of size 48 for LOIs [2019-09-19 07:07:51,666 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-19 07:07:51,793 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-19 07:07:51,798 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 76 for LOIs [2019-09-19 07:07:51,981 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2019-09-19 07:07:52,273 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 78 [2019-09-19 07:07:52,496 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-19 07:07:52,920 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 81 [2019-09-19 07:07:53,337 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-19 07:07:53,489 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:07:53,503 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_Power with input of size 66 for LOIs [2019-09-19 07:07:53,520 INFO L199 IcfgInterpreter]: Interpreting procedure PoCallDriver with input of size 66 for LOIs [2019-09-19 07:07:53,540 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 65 for LOIs [2019-09-19 07:07:53,543 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 1 for LOIs [2019-09-19 07:07:53,544 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 07:07:53,545 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 07:07:53,546 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1377#true [2019-09-19 07:07:53,569 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 07:07:53,570 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 07:07:53,572 INFO L168 Benchmark]: Toolchain (without parser) took 89211.63 ms. Allocated memory was 133.7 MB in the beginning and 540.0 MB in the end (delta: 406.3 MB). Free memory was 89.1 MB in the beginning and 138.9 MB in the end (delta: -49.7 MB). Peak memory consumption was 356.6 MB. Max. memory is 7.1 GB. [2019-09-19 07:07:53,573 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 07:07:53,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.88 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 88.9 MB in the beginning and 172.6 MB in the end (delta: -83.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. [2019-09-19 07:07:53,577 INFO L168 Benchmark]: Boogie Preprocessor took 77.06 ms. Allocated memory is still 201.3 MB. Free memory was 172.6 MB in the beginning and 169.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-19 07:07:53,580 INFO L168 Benchmark]: RCFGBuilder took 1466.15 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 169.0 MB in the beginning and 160.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. [2019-09-19 07:07:53,585 INFO L168 Benchmark]: Sifa took 87110.15 ms. Allocated memory was 227.0 MB in the beginning and 540.0 MB in the end (delta: 313.0 MB). Free memory was 160.6 MB in the beginning and 138.9 MB in the end (delta: 21.7 MB). Peak memory consumption was 334.7 MB. Max. memory is 7.1 GB. [2019-09-19 07:07:53,590 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 554.88 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 88.9 MB in the beginning and 172.6 MB in the end (delta: -83.6 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.06 ms. Allocated memory is still 201.3 MB. Free memory was 172.6 MB in the beginning and 169.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1466.15 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 169.0 MB in the beginning and 160.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. * Sifa took 87110.15 ms. Allocated memory was 227.0 MB in the beginning and 540.0 MB in the end (delta: 313.0 MB). Free memory was 160.6 MB in the beginning and 138.9 MB in the end (delta: 21.7 MB). Peak memory consumption was 334.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 87051, ICFG_INTERPRETER_ENTERED_PROCEDURES: 13, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 741, DAG_INTERPRETER_EARLY_EXITS: 45, TOOLS_POST_APPLICATIONS: 592, TOOLS_POST_TIME[ms]: 275, TOOLS_POST_CALL_APPLICATIONS: 114, TOOLS_POST_CALL_TIME[ms]: 300, TOOLS_POST_RETURN_APPLICATIONS: 89, TOOLS_POST_RETURN_TIME[ms]: 150, TOOLS_QUANTIFIERELIM_APPLICATIONS: 729, TOOLS_QUANTIFIERELIM_TIME[ms]: 517, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24, FLUID_QUERY_TIME[ms]: 25, FLUID_QUERIES: 741, FLUID_YES_ANSWERS: 5, DOMAIN_JOIN_APPLICATIONS: 218, DOMAIN_JOIN_TIME[ms]: 85470, DOMAIN_ALPHA_APPLICATIONS: 5, DOMAIN_ALPHA_TIME[ms]: 37, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 205, DOMAIN_ISBOTTOM_TIME[ms]: 544, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 89, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 55493, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 13, PATH_EXPR_TIME[ms]: 10, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 68, DAG_COMPRESSION_PROCESSED_NODES: 1977, DAG_COMPRESSION_RETAINED_NODES: 427 - UnprovableResult [Line: 1012]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1377#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...