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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:26:14,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:26:14,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:26:14,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:26:14,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:26:14,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:26:14,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:26:14,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:26:14,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:26:14,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:26:14,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:26:14,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:26:14,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:26:14,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:26:14,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:26:14,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:26:14,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:26:14,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:26:14,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:26:14,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:26:14,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:26:14,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:26:14,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:26:14,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:26:14,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:26:14,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:26:14,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:26:14,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:26:14,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:26:14,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:26:14,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:26:14,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:26:14,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:26:14,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:26:14,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:26:14,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:26:14,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:26:14,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:26:14,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:26:14,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:26:14,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:26:14,543 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 18:26:14,557 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:26:14,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:26:14,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:26:14,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:26:14,559 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:26:14,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:26:14,560 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:26:14,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:26:14,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:26:14,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:26:14,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:26:14,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:26:14,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:26:14,561 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:26:14,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:26:14,561 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:26:14,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:26:14,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:26:14,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:26:14,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:26:14,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:26:14,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:26:14,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:26:14,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:26:14,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:26:14,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:26:14,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:26:14,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:26:14,564 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 18:26:14,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:26:14,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:26:14,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:26:14,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:26:14,612 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:26:14,613 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-20 18:26:14,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/999a0b782/7bc69aeb6cf2453f878759cd7b81797f/FLAGa8cd6ea89 [2019-09-20 18:26:15,212 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:26:15,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-20 18:26:15,237 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/999a0b782/7bc69aeb6cf2453f878759cd7b81797f/FLAGa8cd6ea89 [2019-09-20 18:26:15,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/999a0b782/7bc69aeb6cf2453f878759cd7b81797f [2019-09-20 18:26:15,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:26:15,532 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:26:15,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:26:15,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:26:15,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:26:15,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:26:15" (1/1) ... [2019-09-20 18:26:15,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba7a62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:15, skipping insertion in model container [2019-09-20 18:26:15,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:26:15" (1/1) ... [2019-09-20 18:26:15,549 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:26:15,602 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:26:15,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:26:15,995 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:26:16,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:26:16,119 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:26:16,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16 WrapperNode [2019-09-20 18:26:16,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:26:16,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:26:16,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:26:16,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:26:16,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16" (1/1) ... [2019-09-20 18:26:16,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16" (1/1) ... [2019-09-20 18:26:16,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16" (1/1) ... [2019-09-20 18:26:16,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16" (1/1) ... [2019-09-20 18:26:16,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16" (1/1) ... [2019-09-20 18:26:16,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16" (1/1) ... [2019-09-20 18:26:16,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16" (1/1) ... [2019-09-20 18:26:16,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:26:16,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:26:16,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:26:16,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:26:16,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:16" (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 18:26:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:26:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:26:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 18:26:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 18:26:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 18:26:16,263 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:26:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 18:26:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 18:26:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 18:26:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 18:26:16,264 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 18:26:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 18:26:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-20 18:26:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-20 18:26:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-20 18:26:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-20 18:26:16,265 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-20 18:26:16,266 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 18:26:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:26:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 18:26:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:26:16,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 18:26:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 18:26:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-20 18:26:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 18:26:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 18:26:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 18:26:16,267 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 18:26:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 18:26:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-20 18:26:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-20 18:26:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-20 18:26:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-20 18:26:16,268 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 18:26:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 18:26:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 18:26:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 18:26:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:26:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 18:26:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:26:16,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:26:16,528 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:16,619 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 18:26:16,619 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 18:26:16,653 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:16,769 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-20 18:26:16,770 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-20 18:26:16,771 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:16,809 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 18:26:16,810 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 18:26:16,848 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:16,964 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 18:26:16,964 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 18:26:17,072 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:17,094 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 18:26:17,095 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 18:26:17,122 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:17,238 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 18:26:17,239 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 18:26:17,247 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:26:17,248 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 18:26:17,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:26:17 BoogieIcfgContainer [2019-09-20 18:26:17,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:26:17,250 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:26:17,251 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:26:17,251 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:26:17,252 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:26:17" (1/1) ... [2019-09-20 18:26:17,253 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 18:26:17,277 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:26:17,277 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:26:17,293 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:26:17,302 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:26:17,304 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:26:17,551 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-20 18:26:18,778 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:19,222 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:20,062 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:20,485 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:21,361 WARN L191 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:21,800 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:22,645 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:23,105 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:23,953 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:24,360 WARN L191 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:25,214 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:25,682 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:26,521 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:26,944 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:27,805 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:28,211 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:29,067 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:29,486 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:30,328 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:30,731 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:31,572 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:31,992 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:32,856 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:33,259 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:34,097 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:34,501 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:35,360 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:35,764 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:36,598 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:37,002 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:37,835 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:38,245 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:39,098 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:39,500 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:40,329 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2019-09-20 18:26:40,731 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-20 18:26:41,258 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-20 18:26:41,384 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 18:26:41,810 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-20 18:26:41,933 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 18:26:42,660 WARN L191 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-20 18:26:42,785 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 18:26:43,546 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-20 18:26:43,669 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-20 18:26:44,388 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2019-09-20 18:26:44,725 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 18:26:45,422 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2019-09-20 18:26:45,762 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 18:26:46,741 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2019-09-20 18:26:47,744 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2019-09-20 18:26:48,376 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2019-09-20 18:26:48,736 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2019-09-20 18:26:49,816 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 18:26:50,055 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 18:26:50,236 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 18:26:50,456 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 18:26:50,674 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 18:26:50,896 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-20 18:26:51,264 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-20 18:26:51,411 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-20 18:26:51,773 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-09-20 18:26:52,037 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-20 18:26:52,313 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-09-20 18:26:52,656 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 18:26:52,901 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 18:26:53,758 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-20 18:26:53,924 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 18:26:54,286 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 18:26:54,500 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 18:26:56,303 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 151 DAG size of output: 141 [2019-09-20 18:26:57,034 WARN L191 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 18:26:58,546 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 151 DAG size of output: 141 [2019-09-20 18:26:59,292 WARN L191 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 141