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 IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:27:37,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:27:37,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:27:37,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:27:37,251 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:27:37,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:27:37,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:27:37,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:27:37,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:27:37,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:27:37,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:27:37,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:27:37,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:27:37,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:27:37,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:27:37,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:27:37,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:27:37,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:27:37,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:27:37,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:27:37,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:27:37,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:27:37,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:27:37,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:27:37,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 16:27:37,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 16:27:37,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 16:27:37,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 16:27:37,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 16:27:37,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 16:27:37,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 16:27:37,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 16:27:37,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 16:27:37,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 16:27:37,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 16:27:37,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 16:27:37,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 16:27:37,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 16:27:37,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:27:37,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:27:37,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:27:37,286 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 16:27:37,305 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:27:37,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:27:37,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:27:37,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:27:37,307 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:27:37,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:27:37,308 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:27:37,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:27:37,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:27:37,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:27:37,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:27:37,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:27:37,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:27:37,309 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:27:37,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:27:37,310 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:27:37,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:27:37,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:27:37,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:27:37,311 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:27:37,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:27:37,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:27:37,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:27:37,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:27:37,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:27:37,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:27:37,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:27:37,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:27:37,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 16:27:37,344 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:27:37,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:27:37,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:27:37,361 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:27:37,362 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:27:37,363 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-20 16:27:37,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab3fa5ca8/c984ffef78ef43ef92f15ef01edea8b5/FLAGe9ed90ea8 [2019-09-20 16:27:37,909 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:27:37,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-20 16:27:37,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab3fa5ca8/c984ffef78ef43ef92f15ef01edea8b5/FLAGe9ed90ea8 [2019-09-20 16:27:38,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab3fa5ca8/c984ffef78ef43ef92f15ef01edea8b5 [2019-09-20 16:27:38,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:27:38,281 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:27:38,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:27:38,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:27:38,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:27:38,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:27:38" (1/1) ... [2019-09-20 16:27:38,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f669a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38, skipping insertion in model container [2019-09-20 16:27:38,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:27:38" (1/1) ... [2019-09-20 16:27:38,295 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:27:38,330 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:27:38,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:27:38,573 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:27:38,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:27:38,762 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:27:38,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38 WrapperNode [2019-09-20 16:27:38,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:27:38,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:27:38,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:27:38,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:27:38,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38" (1/1) ... [2019-09-20 16:27:38,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38" (1/1) ... [2019-09-20 16:27:38,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38" (1/1) ... [2019-09-20 16:27:38,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38" (1/1) ... [2019-09-20 16:27:38,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38" (1/1) ... [2019-09-20 16:27:38,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38" (1/1) ... [2019-09-20 16:27:38,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38" (1/1) ... [2019-09-20 16:27:38,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:27:38,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:27:38,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:27:38,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:27:38,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:27:38" (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 16:27:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:27:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:27:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 16:27:38,883 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 16:27:38,884 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 16:27:38,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:27:38,885 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 16:27:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 16:27:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 16:27:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 16:27:38,886 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 16:27:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 16:27:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 16:27:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:27:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 16:27:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:27:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 16:27:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 16:27:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 16:27:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 16:27:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 16:27:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 16:27:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 16:27:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 16:27:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 16:27:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 16:27:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 16:27:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:27:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 16:27:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:27:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:27:39,135 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:27:39,247 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2019-09-20 16:27:39,247 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2019-09-20 16:27:39,249 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:27:39,338 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2019-09-20 16:27:39,339 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2019-09-20 16:27:39,379 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:27:39,425 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 16:27:39,425 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 16:27:39,456 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 16:27:39,594 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 16:27:39,594 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 16:27:39,976 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:27:39,977 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 16:27:39,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:27:39 BoogieIcfgContainer [2019-09-20 16:27:39,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:27:39,979 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:27:39,979 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:27:39,979 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:27:39,981 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:27:39" (1/1) ... [2019-09-20 16:27:39,981 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 16:27:40,023 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:27:40,023 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:27:40,044 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:27:40,057 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:27:40,058 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:27:40,320 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 16:27:40,354 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 92 for LOIs [2019-09-20 16:27:41,151 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-09-20 16:27:41,358 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2019-09-20 16:27:41,874 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-20 16:27:42,091 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 16:27:42,315 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 16:27:42,690 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-20 16:27:43,729 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 145 [2019-09-20 16:27:44,066 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-20 16:27:44,072 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 83 for LOIs [2019-09-20 16:27:45,034 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-20 16:27:45,298 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 16:27:46,219 WARN L191 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-09-20 16:27:46,385 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 16:27:47,396 WARN L191 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-20 16:27:47,554 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 16:27:47,839 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 16:27:48,190 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-09-20 16:27:48,290 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 84 for LOIs [2019-09-20 16:27:48,487 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 16:27:48,733 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-20 16:27:48,734 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 69 for LOIs [2019-09-20 16:27:48,999 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-20 16:27:49,000 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 69 for LOIs [2019-09-20 16:27:49,251 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 16:27:49,252 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 81 for LOIs [2019-09-20 16:27:49,433 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 16:27:49,525 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 58 for LOIs [2019-09-20 16:27:49,589 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:27:49,590 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:27:49,593 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 287#(and (<= 0 ~compFptr~0) (<= 1 ~NP~0) (<= ~compFptr~0 0) (<= 5 ~MPR1~0) (<= ~lowerDriverReturn~0 259) (<= 0 ~compRegistered~0) (<= ~myStatus~0 259) (<= 0 (+ ~myStatus~0 1073741823)) (<= 0 ~UNLOADED~0) (<= ~IPC~0 7) (<= ~NP~0 1) (<= 0 ~KernelMode~0) (<= ~MPR3~0 6) (<= ~Executive~0 0) (<= ~MPR1~0 5) (<= 6 ~MPR3~0) (<= ~compRegistered~0 1) (<= 0 ~pended~0) (<= ~DC~0 2) (<= 7 ~IPC~0) (<= ~KernelMode~0 0) (<= 2 ~DC~0) (<= 0 ~Executive~0) (<= ~pended~0 0) (<= 0 (+ ~lowerDriverReturn~0 1073741823)) (<= 4 ~SKIP2~0) (<= 3 ~SKIP1~0) (<= ~SKIP1~0 3) (<= ~UNLOADED~0 0) (<= ~SKIP2~0 4)) [2019-09-20 16:27:49,606 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:27:49,607 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:27:49,608 INFO L168 Benchmark]: Toolchain (without parser) took 11327.55 ms. Allocated memory was 133.2 MB in the beginning and 445.1 MB in the end (delta: 312.0 MB). Free memory was 89.1 MB in the beginning and 318.6 MB in the end (delta: -229.5 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:49,609 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 16:27:49,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 481.44 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.7 MB in the beginning and 173.9 MB in the end (delta: -85.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:49,611 INFO L168 Benchmark]: Boogie Preprocessor took 51.67 ms. Allocated memory is still 200.3 MB. Free memory was 173.9 MB in the beginning and 171.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:49,612 INFO L168 Benchmark]: RCFGBuilder took 1163.48 ms. Allocated memory is still 200.3 MB. Free memory was 171.2 MB in the beginning and 83.3 MB in the end (delta: 87.9 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:49,613 INFO L168 Benchmark]: Sifa took 9627.69 ms. Allocated memory was 200.3 MB in the beginning and 445.1 MB in the end (delta: 244.8 MB). Free memory was 83.3 MB in the beginning and 318.6 MB in the end (delta: -235.4 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:27:49,616 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 481.44 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 88.7 MB in the beginning and 173.9 MB in the end (delta: -85.2 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.67 ms. Allocated memory is still 200.3 MB. Free memory was 173.9 MB in the beginning and 171.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1163.48 ms. Allocated memory is still 200.3 MB. Free memory was 171.2 MB in the beginning and 83.3 MB in the end (delta: 87.9 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. * Sifa took 9627.69 ms. Allocated memory was 200.3 MB in the beginning and 445.1 MB in the end (delta: 244.8 MB). Free memory was 83.3 MB in the beginning and 318.6 MB in the end (delta: -235.4 MB). Peak memory consumption was 9.5 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]: 9571, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 206, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 149, TOOLS_POST_TIME[ms]: 106, TOOLS_POST_CALL_APPLICATIONS: 50, TOOLS_POST_CALL_TIME[ms]: 272, TOOLS_POST_RETURN_APPLICATIONS: 32, TOOLS_POST_RETURN_TIME[ms]: 57, TOOLS_QUANTIFIERELIM_APPLICATIONS: 223, TOOLS_QUANTIFIERELIM_TIME[ms]: 293, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 35, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 206, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 54, DOMAIN_JOIN_TIME[ms]: 8780, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 49, DOMAIN_ISBOTTOM_TIME[ms]: 166, 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: 32, CALL_SUMMARIZER_CACHE_MISSES: 11, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2006, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2006, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 58, DAG_COMPRESSION_PROCESSED_NODES: 682, DAG_COMPRESSION_RETAINED_NODES: 242 - UnprovableResult [Line: 580]: 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 287#(and (<= 0 ~compFptr~0) (<= 1 ~NP~0) (<= ~compFptr~0 0) (<= 5 ~MPR1~0) (<= ~lowerDriverReturn~0 259) (<= 0 ~compRegistered~0) (<= ~myStatus~0 259) (<= 0 (+ ~myStatus~0 1073741823)) (<= 0 ~UNLOADED~0) (<= ~IPC~0 7) (<= ~NP~0 1) (<= 0 ~KernelMode~0) (<= ~MPR3~0 6) (<= ~Executive~0 0) (<= ~MPR1~0 5) (<= 6 ~MPR3~0) (<= ~compRegistered~0 1) (<= 0 ~pended~0) (<= ~DC~0 2) (<= 7 ~IPC~0) (<= ~KernelMode~0 0) (<= 2 ~DC~0) (<= 0 ~Executive~0) (<= ~pended~0 0) (<= 0 (+ ~lowerDriverReturn~0 1073741823)) (<= 4 ~SKIP2~0) (<= 3 ~SKIP1~0) (<= ~SKIP1~0 3) (<= ~UNLOADED~0 0) (<= ~SKIP2~0 4)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...