java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --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 20:20:54,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:20:54,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:20:54,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:20:54,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:20:54,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:20:54,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:20:54,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:20:54,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:20:54,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:20:54,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:20:54,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:20:54,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:20:54,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:20:54,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:20:54,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:20:54,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:20:54,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:20:54,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:20:54,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:20:54,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:20:54,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:20:54,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:20:54,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:20:54,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 20:20:54,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 20:20:54,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 20:20:54,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 20:20:54,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 20:20:54,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 20:20:54,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 20:20:54,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 20:20:54,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 20:20:54,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 20:20:54,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 20:20:54,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 20:20:54,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 20:20:54,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 20:20:54,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:20:54,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:20:54,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:20:54,488 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 20:20:54,502 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:20:54,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:20:54,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:20:54,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:20:54,504 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:20:54,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:20:54,504 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:20:54,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:20:54,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:20:54,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:20:54,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:20:54,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:20:54,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:20:54,505 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:20:54,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:20:54,506 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:20:54,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:20:54,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:20:54,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:20:54,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:20:54,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:20:54,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:20:54,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:20:54,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:20:54,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:20:54,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:20:54,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:20:54,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:20:54,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> ReUseSupersetCallSummarizer 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 20:20:54,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:20:54,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:20:54,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:20:54,555 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:20:54,556 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:20:54,557 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-20 20:20:54,616 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf552f0cf/5432559803bf4d5193e71da08ee48492/FLAGa024fe1ef [2019-09-20 20:20:55,056 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:20:55,057 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-20 20:20:55,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf552f0cf/5432559803bf4d5193e71da08ee48492/FLAGa024fe1ef [2019-09-20 20:20:55,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf552f0cf/5432559803bf4d5193e71da08ee48492 [2019-09-20 20:20:55,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:20:55,448 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:20:55,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:20:55,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:20:55,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:20:55,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:20:55" (1/1) ... [2019-09-20 20:20:55,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb381e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:55, skipping insertion in model container [2019-09-20 20:20:55,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:20:55" (1/1) ... [2019-09-20 20:20:55,464 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:20:55,519 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:20:55,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:20:55,885 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:20:56,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:20:56,040 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:20:56,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56 WrapperNode [2019-09-20 20:20:56,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:20:56,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:20:56,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:20:56,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:20:56,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (1/1) ... [2019-09-20 20:20:56,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:20:56,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:20:56,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:20:56,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:20:56,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:20:56" (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 20:20:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:20:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:20:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 20:20:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 20:20:56,191 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 20:20:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:20:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 20:20:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 20:20:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 20:20:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 20:20:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 20:20:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 20:20:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 20:20:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:20:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 20:20:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 20:20:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 20:20:56,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 20:20:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 20:20:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 20:20:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 20:20:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 20:20:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 20:20:56,194 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 20:20:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 20:20:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 20:20:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 20:20:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:20:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 20:20:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:20:56,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:20:56,452 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:20:56,599 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2019-09-20 20:20:56,600 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2019-09-20 20:20:56,602 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:20:56,669 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2019-09-20 20:20:56,670 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2019-09-20 20:20:56,694 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:20:56,731 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 20:20:56,731 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 20:20:56,758 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 20:20:56,883 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 20:20:56,884 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 20:20:57,249 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:20:57,250 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 20:20:57,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:20:57 BoogieIcfgContainer [2019-09-20 20:20:57,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:20:57,252 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:20:57,252 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:20:57,252 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:20:57,253 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:20:57" (1/1) ... [2019-09-20 20:20:57,254 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=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:20:57,281 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:20:57,281 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:20:57,292 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:20:57,305 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:20:57,306 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:20:57,490 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 74 for LOIs [2019-09-20 20:20:57,665 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 20:20:58,389 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2019-09-20 20:20:58,543 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 20:20:58,705 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 1 [2019-09-20 20:20:58,977 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-20 20:20:59,116 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 20:20:59,244 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 20:20:59,377 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 20:20:59,553 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 20:20:59,719 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 20:20:59,866 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 20:21:00,858 WARN L191 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2019-09-20 20:21:01,290 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-20 20:21:01,624 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2019-09-20 20:21:01,783 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 20:21:01,915 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 20:21:03,208 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 141 DAG size of output: 129 [2019-09-20 20:21:03,699 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-09-20 20:21:03,855 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 20:21:04,031 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-20 20:21:04,283 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-20 20:21:05,064 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2019-09-20 20:21:05,202 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 20:21:05,341 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 20:21:05,477 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 20:21:05,675 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 20:21:05,918 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 20:21:06,200 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-20 20:21:06,392 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 20:21:06,627 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-20 20:21:07,157 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 113 [2019-09-20 20:21:07,303 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 20:21:08,228 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2019-09-20 20:21:08,656 WARN L191 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 20:21:09,800 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2019-09-20 20:21:10,112 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 70 for LOIs [2019-09-20 20:21:10,313 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-20 20:21:10,567 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-20 20:21:10,805 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 20:21:10,950 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 20:21:11,139 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 20:21:11,306 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 20:21:11,351 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 68 for LOIs [2019-09-20 20:21:11,799 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-20 20:21:11,905 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 20:21:11,912 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 56 for LOIs [2019-09-20 20:21:11,920 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 13 for LOIs [2019-09-20 20:21:11,942 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 21 for LOIs [2019-09-20 20:21:12,079 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 20:21:12,185 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 23 for LOIs [2019-09-20 20:21:12,209 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 20:21:12,210 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 20:21:12,213 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 424#(or (and (= ~MPR3~0 ~s~0) (not (= 1 ~customIrp~0)) (not (= ~setEventCalled~0 1))) (and (not (= ~s~0 ~NP~0)) (<= 0 (+ ~myStatus~0 2147483648)) (<= ~myStatus~0 2147483647))) [2019-09-20 20:21:12,232 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 20:21:12,232 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 20:21:12,234 INFO L168 Benchmark]: Toolchain (without parser) took 16785.84 ms. Allocated memory was 133.7 MB in the beginning and 462.9 MB in the end (delta: 329.3 MB). Free memory was 88.9 MB in the beginning and 110.7 MB in the end (delta: -21.8 MB). Peak memory consumption was 307.5 MB. Max. memory is 7.1 GB. [2019-09-20 20:21:12,235 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 20:21:12,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.68 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.5 MB in the beginning and 174.4 MB in the end (delta: -85.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-09-20 20:21:12,237 INFO L168 Benchmark]: Boogie Preprocessor took 87.39 ms. Allocated memory is still 200.8 MB. Free memory was 174.4 MB in the beginning and 171.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-09-20 20:21:12,237 INFO L168 Benchmark]: RCFGBuilder took 1122.68 ms. Allocated memory is still 200.8 MB. Free memory was 171.6 MB in the beginning and 83.7 MB in the end (delta: 87.9 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. [2019-09-20 20:21:12,238 INFO L168 Benchmark]: Sifa took 14980.36 ms. Allocated memory was 200.8 MB in the beginning and 462.9 MB in the end (delta: 262.1 MB). Free memory was 83.7 MB in the beginning and 110.7 MB in the end (delta: -27.0 MB). Peak memory consumption was 235.2 MB. Max. memory is 7.1 GB. [2019-09-20 20:21:12,242 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 591.68 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.5 MB in the beginning and 174.4 MB in the end (delta: -85.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.39 ms. Allocated memory is still 200.8 MB. Free memory was 174.4 MB in the beginning and 171.6 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1122.68 ms. Allocated memory is still 200.8 MB. Free memory was 171.6 MB in the beginning and 83.7 MB in the end (delta: 87.9 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. * Sifa took 14980.36 ms. Allocated memory was 200.8 MB in the beginning and 462.9 MB in the end (delta: 262.1 MB). Free memory was 83.7 MB in the beginning and 110.7 MB in the end (delta: -27.0 MB). Peak memory consumption was 235.2 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]: 14932, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 216, DAG_INTERPRETER_EARLY_EXITS: 11, TOOLS_POST_APPLICATIONS: 160, TOOLS_POST_TIME[ms]: 98, TOOLS_POST_CALL_APPLICATIONS: 45, TOOLS_POST_CALL_TIME[ms]: 171, TOOLS_POST_RETURN_APPLICATIONS: 31, TOOLS_POST_RETURN_TIME[ms]: 71, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 245, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 11, FLUID_QUERIES: 216, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 50, DOMAIN_JOIN_TIME[ms]: 13521, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 35, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 26, DOMAIN_ISSUBSETEQ_TIME[ms]: 69, DOMAIN_ISBOTTOM_APPLICATIONS: 53, DOMAIN_ISBOTTOM_TIME[ms]: 109, 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: 31, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 9734, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 54, 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 424#(or (and (= ~MPR3~0 ~s~0) (not (= 1 ~customIrp~0)) (not (= ~setEventCalled~0 1))) (and (not (= ~s~0 ~NP~0)) (<= 0 (+ ~myStatus~0 2147483648)) (<= ~myStatus~0 2147483647))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...