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_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:26:13,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:26:13,224 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:26:13,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:26:13,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:26:13,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:26:13,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:26:13,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:26:13,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:26:13,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:26:13,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:26:13,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:26:13,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:26:13,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:26:13,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:26:13,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:26:13,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:26:13,252 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:26:13,253 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:26:13,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:26:13,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:26:13,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:26:13,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:26:13,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:26:13,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:26:13,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:26:13,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:26:13,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:26:13,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:26:13,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:26:13,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:26:13,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:26:13,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:26:13,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:26:13,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:26:13,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:26:13,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:26:13,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:26:13,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:26:13,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:26:13,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:26:13,273 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 18:26:13,290 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:26:13,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:26:13,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:26:13,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:26:13,292 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:26:13,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:26:13,293 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:26:13,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:26:13,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:26:13,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:26:13,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:26:13,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:26:13,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:26:13,296 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:26:13,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:26:13,297 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:26:13,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:26:13,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:26:13,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:26:13,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:26:13,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:26:13,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:26:13,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:26:13,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:26:13,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:26:13,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:26:13,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:26:13,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:26:13,300 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 18:26:13,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:26:13,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:26:13,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:26:13,351 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:26:13,352 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:26:13,353 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-20 18:26:13,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5398de14/079e3d241037417fb13fe0d60f591eaf/FLAGec329e349 [2019-09-20 18:26:13,890 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:26:13,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-20 18:26:13,904 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5398de14/079e3d241037417fb13fe0d60f591eaf/FLAGec329e349 [2019-09-20 18:26:14,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5398de14/079e3d241037417fb13fe0d60f591eaf [2019-09-20 18:26:14,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:26:14,266 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:26:14,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:26:14,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:26:14,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:26:14,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:26:14" (1/1) ... [2019-09-20 18:26:14,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630ab025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:14, skipping insertion in model container [2019-09-20 18:26:14,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:26:14" (1/1) ... [2019-09-20 18:26:14,284 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:26:14,322 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:26:14,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:26:14,577 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:26:14,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:26:14,760 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:26:14,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:14 WrapperNode [2019-09-20 18:26:14,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:26:14,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:26:14,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:26:14,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:26:14,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:14" (1/1) ... [2019-09-20 18:26:14,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:14" (1/1) ... [2019-09-20 18:26:14,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:14" (1/1) ... [2019-09-20 18:26:14,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:14" (1/1) ... [2019-09-20 18:26:14,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:14" (1/1) ... [2019-09-20 18:26:14,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:14" (1/1) ... [2019-09-20 18:26:14,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:14" (1/1) ... [2019-09-20 18:26:14,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:26:14,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:26:14,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:26:14,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:26:14,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:26:14" (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 18:26:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:26:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:26:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 18:26:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 18:26:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 18:26:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:26:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 18:26:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 18:26:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 18:26:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 18:26:14,873 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 18:26:14,874 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 18:26:14,874 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 18:26:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:26:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 18:26:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 18:26:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 18:26:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 18:26:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 18:26:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 18:26:14,877 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 18:26:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 18:26:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 18:26:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 18:26:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 18:26:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 18:26:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 18:26:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:26:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 18:26:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:26:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:26:15,170 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:15,294 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2019-09-20 18:26:15,294 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2019-09-20 18:26:15,296 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:15,354 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2019-09-20 18:26:15,355 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2019-09-20 18:26:15,385 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:15,419 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 18:26:15,419 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 18:26:15,437 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 18:26:15,587 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 18:26:15,588 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 18:26:15,595 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:26:15,595 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 18:26:15,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:26:15 BoogieIcfgContainer [2019-09-20 18:26:15,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:26:15,597 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:26:15,597 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:26:15,598 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:26:15,599 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:26:15" (1/1) ... [2019-09-20 18:26:15,599 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 18:26:15,622 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:26:15,622 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:26:15,632 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:26:15,640 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:26:15,642 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:26:15,820 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 74 for LOIs [2019-09-20 18:26:16,983 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2019-09-20 18:26:17,395 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 18:26:18,222 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2019-09-20 18:26:18,621 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 18:26:19,396 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2019-09-20 18:26:19,707 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 18:26:20,159 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-20 18:26:20,327 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2019-09-20 18:26:20,575 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 18:26:20,870 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-20 18:26:20,980 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 18:26:21,173 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-20 18:26:21,279 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 18:26:21,411 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2019-09-20 18:26:21,591 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2019-09-20 18:26:21,747 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 18:26:21,860 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 18:26:22,006 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2019-09-20 18:26:22,226 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 18:26:22,508 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2019-09-20 18:26:22,814 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2019-09-20 18:26:22,989 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-09-20 18:26:23,396 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 18:26:23,636 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2019-09-20 18:26:23,948 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2019-09-20 18:26:24,316 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2019-09-20 18:26:24,666 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2019-09-20 18:26:25,058 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2019-09-20 18:26:25,359 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2019-09-20 18:26:25,673 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2019-09-20 18:26:26,056 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 50 [2019-09-20 18:26:26,658 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-20 18:26:27,995 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 18:26:28,430 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-20 18:26:28,619 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 18:26:29,096 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2019-09-20 18:26:29,930 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2019-09-20 18:26:30,268 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 18:26:30,892 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 102 [2019-09-20 18:26:31,194 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 18:26:31,960 WARN L191 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2019-09-20 18:26:32,313 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 18:26:33,071 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2019-09-20 18:26:33,100 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 72 for LOIs [2019-09-20 18:26:33,945 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 107 [2019-09-20 18:26:34,301 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 18:26:35,157 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 107 [2019-09-20 18:26:35,521 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 18:26:36,303 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 107 [2019-09-20 18:26:36,669 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 18:26:37,501 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 107 [2019-09-20 18:26:37,859 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 18:26:38,805 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 110 [2019-09-20 18:26:39,836 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 109 [2019-09-20 18:26:40,863 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 109 [2019-09-20 18:26:41,875 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 109 [2019-09-20 18:26:42,733 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 16 [2019-09-20 18:26:42,860 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 16 [2019-09-20 18:26:43,099 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 16 [2019-09-20 18:26:43,893 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 16 [2019-09-20 18:26:44,012 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 16 [2019-09-20 18:26:46,557 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-20 18:26:46,960 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 18:26:47,852 WARN L191 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 131 [2019-09-20 18:26:48,292 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2019-09-20 18:26:49,199 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 133 [2019-09-20 18:26:49,206 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 15 for LOIs [2019-09-20 18:26:49,561 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-20 18:26:49,801 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 18:26:49,962 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-20 18:26:50,170 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-09-20 18:26:50,518 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2019-09-20 18:26:50,642 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2019-09-20 18:26:50,680 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 15 for LOIs [2019-09-20 18:26:50,703 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 7 for LOIs [2019-09-20 18:26:50,709 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 66 for LOIs [2019-09-20 18:26:51,116 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2019-09-20 18:26:51,324 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 18:26:51,417 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 4 for LOIs [2019-09-20 18:26:51,425 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 18:26:51,425 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 18:26:51,427 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 771#(not (= ~s~0 ~NP~0)) [2019-09-20 18:26:51,437 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 18:26:51,438 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 18:26:51,439 INFO L168 Benchmark]: Toolchain (without parser) took 37172.99 ms. Allocated memory was 134.2 MB in the beginning and 483.9 MB in the end (delta: 349.7 MB). Free memory was 89.2 MB in the beginning and 156.2 MB in the end (delta: -67.0 MB). Peak memory consumption was 282.7 MB. Max. memory is 7.1 GB. [2019-09-20 18:26:51,440 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 18:26:51,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 491.59 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 89.0 MB in the beginning and 175.5 MB in the end (delta: -86.6 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2019-09-20 18:26:51,442 INFO L168 Benchmark]: Boogie Preprocessor took 48.68 ms. Allocated memory is still 201.9 MB. Free memory was 175.5 MB in the beginning and 172.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-20 18:26:51,442 INFO L168 Benchmark]: RCFGBuilder took 785.53 ms. Allocated memory is still 201.9 MB. Free memory was 172.9 MB in the beginning and 128.0 MB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2019-09-20 18:26:51,443 INFO L168 Benchmark]: Sifa took 35840.59 ms. Allocated memory was 201.9 MB in the beginning and 483.9 MB in the end (delta: 282.1 MB). Free memory was 128.0 MB in the beginning and 156.2 MB in the end (delta: -28.2 MB). Peak memory consumption was 253.9 MB. Max. memory is 7.1 GB. [2019-09-20 18:26:51,451 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 491.59 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 89.0 MB in the beginning and 175.5 MB in the end (delta: -86.6 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.68 ms. Allocated memory is still 201.9 MB. Free memory was 175.5 MB in the beginning and 172.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 785.53 ms. Allocated memory is still 201.9 MB. Free memory was 172.9 MB in the beginning and 128.0 MB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * Sifa took 35840.59 ms. Allocated memory was 201.9 MB in the beginning and 483.9 MB in the end (delta: 282.1 MB). Free memory was 128.0 MB in the beginning and 156.2 MB in the end (delta: -28.2 MB). Peak memory consumption was 253.9 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]: 35806, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 381, DAG_INTERPRETER_EARLY_EXITS: 13, TOOLS_POST_APPLICATIONS: 321, TOOLS_POST_TIME[ms]: 133, TOOLS_POST_CALL_APPLICATIONS: 49, TOOLS_POST_CALL_TIME[ms]: 157, TOOLS_POST_RETURN_APPLICATIONS: 34, TOOLS_POST_RETURN_TIME[ms]: 51, TOOLS_QUANTIFIERELIM_APPLICATIONS: 397, TOOLS_QUANTIFIERELIM_TIME[ms]: 229, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 381, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 157, DOMAIN_JOIN_TIME[ms]: 34871, 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: 157, DOMAIN_ISBOTTOM_TIME[ms]: 400, 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: 34, CALL_SUMMARIZER_CACHE_MISSES: 11, CALL_SUMMARIZER_OVERALL_TIME[ms]: 9765, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9764, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 69, DAG_COMPRESSION_PROCESSED_NODES: 1571, DAG_COMPRESSION_RETAINED_NODES: 444 - 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 771#(not (= ~s~0 ~NP~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...