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-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:23:56,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:23:56,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:23:56,610 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:23:56,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:23:56,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:23:56,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:23:56,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:23:56,625 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:23:56,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:23:56,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:23:56,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:23:56,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:23:56,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:23:56,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:23:56,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:23:56,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:23:56,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:23:56,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:23:56,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:23:56,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:23:56,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:23:56,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:23:56,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:23:56,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:23:56,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:23:56,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:23:56,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:23:56,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:23:56,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:23:56,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:23:56,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:23:56,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:23:56,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:23:56,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:23:56,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:23:56,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:23:56,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:23:56,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:23:56,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:23:56,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:23:56,651 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 21:23:56,664 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:23:56,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:23:56,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:23:56,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:23:56,666 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:23:56,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:23:56,666 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:23:56,666 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:23:56,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:23:56,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:23:56,667 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:23:56,667 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:23:56,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:23:56,668 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:23:56,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:23:56,668 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:23:56,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:23:56,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:23:56,669 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:23:56,669 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:23:56,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:23:56,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:23:56,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:23:56,670 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:23:56,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:23:56,670 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:23:56,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:23:56,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:23:56,671 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 [2019-09-20 21:23:56,715 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:23:56,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:23:56,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:23:56,730 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:23:56,730 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:23:56,731 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-20 21:23:56,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b24e70151/4006d5ad2ce9451c95b460da3de09e73/FLAGc4f22764a [2019-09-20 21:23:57,308 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:23:57,309 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-20 21:23:57,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b24e70151/4006d5ad2ce9451c95b460da3de09e73/FLAGc4f22764a [2019-09-20 21:23:57,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b24e70151/4006d5ad2ce9451c95b460da3de09e73 [2019-09-20 21:23:57,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:23:57,600 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:23:57,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:23:57,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:23:57,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:23:57,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d486d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57, skipping insertion in model container [2019-09-20 21:23:57,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,613 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:23:57,667 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:23:57,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:23:57,951 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:23:58,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:23:58,141 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:23:58,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:58 WrapperNode [2019-09-20 21:23:58,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:23:58,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:23:58,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:23:58,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:23:58,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:58" (1/1) ... [2019-09-20 21:23:58,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:58" (1/1) ... [2019-09-20 21:23:58,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:58" (1/1) ... [2019-09-20 21:23:58,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:58" (1/1) ... [2019-09-20 21:23:58,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:58" (1/1) ... [2019-09-20 21:23:58,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:58" (1/1) ... [2019-09-20 21:23:58,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:58" (1/1) ... [2019-09-20 21:23:58,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:23:58,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:23:58,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:23:58,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:23:58,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:58" (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 21:23:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:23:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:23:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 21:23:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 21:23:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 21:23:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:23:58,271 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 21:23:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 21:23:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 21:23:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 21:23:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 21:23:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 21:23:58,272 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-20 21:23:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-20 21:23:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-20 21:23:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-20 21:23:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-20 21:23:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 21:23:58,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:23:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 21:23:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:23:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 21:23:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 21:23:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 21:23:58,274 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 21:23:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 21:23:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 21:23:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 21:23:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-20 21:23:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-20 21:23:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-20 21:23:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-20 21:23:58,275 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-20 21:23:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 21:23:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 21:23:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 21:23:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 21:23:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:23:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 21:23:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:23:58,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:23:58,565 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:23:58,622 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 21:23:58,622 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 21:23:58,664 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:23:58,774 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-20 21:23:58,775 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-20 21:23:58,776 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:23:58,840 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 21:23:58,841 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 21:23:58,854 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:23:58,900 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 21:23:58,900 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 21:23:58,990 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:23:59,014 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 21:23:59,014 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 21:23:59,044 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:23:59,142 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 21:23:59,142 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 21:23:59,581 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:23:59,582 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 21:23:59,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:23:59 BoogieIcfgContainer [2019-09-20 21:23:59,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:23:59,587 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:23:59,587 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:23:59,587 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:23:59,589 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:23:59" (1/1) ... [2019-09-20 21:23:59,589 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 [2019-09-20 21:23:59,623 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:23:59,623 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:23:59,643 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:23:59,651 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:23:59,653 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:23:59,835 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-20 21:24:00,050 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 21:24:00,161 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 21:24:00,306 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 21:24:00,771 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2019-09-20 21:24:00,944 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:24:01,268 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 21:24:01,399 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:01,733 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2019-09-20 21:24:01,849 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:02,198 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-20 21:24:02,337 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:02,466 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 21:24:02,597 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 21:24:02,974 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 107 [2019-09-20 21:24:03,150 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:24:03,437 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 21:24:03,555 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:03,897 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 98 [2019-09-20 21:24:04,037 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:04,421 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-09-20 21:24:04,570 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:04,711 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 21:24:04,848 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 21:24:05,818 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 123 [2019-09-20 21:24:06,274 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-09-20 21:24:06,471 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 21:24:06,662 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 21:24:06,958 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 21:24:07,115 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:07,470 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 98 [2019-09-20 21:24:07,599 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:07,971 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 98 [2019-09-20 21:24:08,119 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:08,280 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 21:24:08,437 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 21:24:09,768 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 143 DAG size of output: 131 [2019-09-20 21:24:09,997 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2019-09-20 21:24:10,205 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-20 21:24:10,489 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-20 21:24:11,341 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2019-09-20 21:24:11,513 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 21:24:11,665 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 21:24:11,821 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 21:24:11,986 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 21:24:12,214 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 21:24:12,506 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-20 21:24:12,713 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 21:24:12,938 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-09-20 21:24:13,201 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2019-09-20 21:24:13,303 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 21:24:14,023 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 109 [2019-09-20 21:24:14,174 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 21:24:14,330 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 21:24:14,495 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 21:24:14,716 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2019-09-20 21:24:16,843 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2019-09-20 21:24:17,729 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-20 21:24:18,052 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2019-09-20 21:24:20,567 WARN L191 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-09-20 21:24:20,879 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 47 [2019-09-20 21:24:22,670 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-20 21:24:23,512 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-20 21:24:25,238 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 175 DAG size of output: 175 [2019-09-20 21:24:26,079 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-09-20 21:24:28,475 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-20 21:24:28,696 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-20 21:24:31,083 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-09-20 21:24:31,302 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-20 21:24:31,686 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 45 [2019-09-20 21:24:31,824 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 45 [2019-09-20 21:24:31,972 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 21:24:32,648 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-20 21:24:32,749 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 21:24:33,027 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 87 [2019-09-20 21:24:33,137 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 21:24:33,446 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-20 21:24:33,556 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 21:24:33,670 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 21:24:33,787 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 21:24:33,975 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-20 21:24:34,199 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 51 [2019-09-20 21:24:34,737 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-20 21:24:34,880 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:24:35,023 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:24:35,166 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 21:24:36,490 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 169 DAG size of output: 159 [2019-09-20 21:24:37,088 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 21:24:38,387 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 169 DAG size of output: 159 [2019-09-20 21:24:38,958 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 21:24:40,238 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 169 DAG size of output: 159 [2019-09-20 21:24:40,805 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 159