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-efa34d5 [2019-09-18 21:20:00,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 21:20:00,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 21:20:00,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 21:20:00,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 21:20:00,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 21:20:00,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 21:20:00,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 21:20:00,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 21:20:00,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 21:20:00,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 21:20:00,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 21:20:00,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 21:20:00,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 21:20:00,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 21:20:00,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 21:20:00,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 21:20:00,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 21:20:00,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 21:20:00,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 21:20:01,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 21:20:01,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 21:20:01,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 21:20:01,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 21:20:01,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 21:20:01,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 21:20:01,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 21:20:01,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 21:20:01,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 21:20:01,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 21:20:01,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 21:20:01,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 21:20:01,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 21:20:01,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 21:20:01,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 21:20:01,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 21:20:01,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 21:20:01,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 21:20:01,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 21:20:01,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 21:20:01,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 21:20:01,015 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 [2019-09-18 21:20:01,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 21:20:01,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 21:20:01,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 21:20:01,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 21:20:01,035 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 21:20:01,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 21:20:01,035 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 21:20:01,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 21:20:01,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 21:20:01,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 21:20:01,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 21:20:01,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 21:20:01,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 21:20:01,037 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 21:20:01,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 21:20:01,037 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 21:20:01,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 21:20:01,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 21:20:01,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 21:20:01,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 21:20:01,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 21:20:01,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 21:20:01,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 21:20:01,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 21:20:01,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 21:20:01,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 21:20:01,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 21:20:01,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 21:20:01,040 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 [2019-09-18 21:20:01,093 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 21:20:01,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 21:20:01,119 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 21:20:01,120 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 21:20:01,121 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 21:20:01,121 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-18 21:20:01,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27438acf7/b0a1f28f85c84ebe95d64d82ef9276f4/FLAGd1bd02ea0 [2019-09-18 21:20:01,685 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 21:20:01,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-18 21:20:01,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27438acf7/b0a1f28f85c84ebe95d64d82ef9276f4/FLAGd1bd02ea0 [2019-09-18 21:20:02,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27438acf7/b0a1f28f85c84ebe95d64d82ef9276f4 [2019-09-18 21:20:02,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 21:20:02,015 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 21:20:02,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 21:20:02,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 21:20:02,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 21:20:02,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:20:02" (1/1) ... [2019-09-18 21:20:02,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23617d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:02, skipping insertion in model container [2019-09-18 21:20:02,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 09:20:02" (1/1) ... [2019-09-18 21:20:02,029 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 21:20:02,079 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 21:20:02,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:20:02,348 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 21:20:02,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 21:20:02,505 INFO L192 MainTranslator]: Completed translation [2019-09-18 21:20:02,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:02 WrapperNode [2019-09-18 21:20:02,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 21:20:02,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 21:20:02,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 21:20:02,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 21:20:02,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:02" (1/1) ... [2019-09-18 21:20:02,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:02" (1/1) ... [2019-09-18 21:20:02,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:02" (1/1) ... [2019-09-18 21:20:02,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:02" (1/1) ... [2019-09-18 21:20:02,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:02" (1/1) ... [2019-09-18 21:20:02,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:02" (1/1) ... [2019-09-18 21:20:02,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:02" (1/1) ... [2019-09-18 21:20:02,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 21:20:02,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 21:20:02,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 21:20:02,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 21:20:02,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 09:20:02" (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 [2019-09-18 21:20:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 21:20:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 21:20:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-18 21:20:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-18 21:20:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-18 21:20:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 21:20:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-18 21:20:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-18 21:20:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-18 21:20:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-18 21:20:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-18 21:20:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-18 21:20:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-18 21:20:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 21:20:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-18 21:20:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 21:20:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-18 21:20:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-18 21:20:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-18 21:20:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-18 21:20:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-18 21:20:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-18 21:20:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-18 21:20:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-18 21:20:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-18 21:20:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-18 21:20:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-18 21:20:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 21:20:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-18 21:20:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 21:20:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 21:20:02,935 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 21:20:03,037 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2019-09-18 21:20:03,037 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2019-09-18 21:20:03,038 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 21:20:03,110 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2019-09-18 21:20:03,111 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2019-09-18 21:20:03,130 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 21:20:03,160 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-18 21:20:03,160 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-18 21:20:03,177 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 21:20:03,328 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-18 21:20:03,328 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-18 21:20:03,712 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 21:20:03,712 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-18 21:20:03,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:20:03 BoogieIcfgContainer [2019-09-18 21:20:03,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 21:20:03,715 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 21:20:03,716 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 21:20:03,716 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 21:20:03,717 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 09:20:03" (1/1) ... [2019-09-18 21:20:03,718 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 [2019-09-18 21:20:03,748 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 21:20:03,749 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 21:20:03,770 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 21:20:03,784 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 21:20:03,785 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 21:20:04,019 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 74 for LOIs [2019-09-18 21:20:04,899 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2019-09-18 21:20:05,064 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-18 21:20:05,219 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 1 [2019-09-18 21:20:05,498 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-18 21:20:05,623 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-18 21:20:05,784 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 21:20:05,901 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 21:20:06,084 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 21:20:06,249 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 21:20:06,397 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 21:20:07,378 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2019-09-18 21:20:07,834 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-18 21:20:08,161 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2019-09-18 21:20:08,304 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 21:20:08,430 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 21:20:09,666 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 141 DAG size of output: 129 [2019-09-18 21:20:10,165 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-09-18 21:20:10,321 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-18 21:20:10,508 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-18 21:20:10,750 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-18 21:20:11,513 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2019-09-18 21:20:11,664 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 21:20:11,806 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-18 21:20:11,945 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-18 21:20:12,140 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-18 21:20:12,341 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-18 21:20:12,596 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-18 21:20:12,819 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-18 21:20:13,545 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 113 [2019-09-18 21:20:13,709 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-18 21:20:14,625 WARN L191 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2019-09-18 21:20:15,082 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-18 21:20:16,245 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2019-09-18 21:20:16,551 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 70 for LOIs [2019-09-18 21:20:16,742 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-18 21:20:16,978 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-18 21:20:17,215 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-18 21:20:17,361 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-18 21:20:17,547 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 21:20:17,723 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-18 21:20:17,776 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 68 for LOIs [2019-09-18 21:20:18,237 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-18 21:20:18,355 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 21:20:18,361 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 56 for LOIs [2019-09-18 21:20:18,381 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 13 for LOIs [2019-09-18 21:20:18,389 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 21 for LOIs [2019-09-18 21:20:18,522 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-18 21:20:18,624 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 23 for LOIs [2019-09-18 21:20:18,651 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 21:20:18,651 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 21:20:18,654 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))) [2019-09-18 21:20:18,672 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 21:20:18,672 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 21:20:18,674 INFO L168 Benchmark]: Toolchain (without parser) took 16659.04 ms. Allocated memory was 133.2 MB in the beginning and 473.4 MB in the end (delta: 340.3 MB). Free memory was 89.3 MB in the beginning and 256.2 MB in the end (delta: -166.8 MB). Peak memory consumption was 173.5 MB. Max. memory is 7.1 GB. [2019-09-18 21:20:18,675 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 21:20:18,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.11 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 89.1 MB in the beginning and 174.0 MB in the end (delta: -84.8 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2019-09-18 21:20:18,676 INFO L168 Benchmark]: Boogie Preprocessor took 48.17 ms. Allocated memory is still 200.3 MB. Free memory was 174.0 MB in the beginning and 172.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-18 21:20:18,677 INFO L168 Benchmark]: RCFGBuilder took 1160.39 ms. Allocated memory is still 200.3 MB. Free memory was 172.0 MB in the beginning and 85.3 MB in the end (delta: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2019-09-18 21:20:18,678 INFO L168 Benchmark]: Sifa took 14956.79 ms. Allocated memory was 200.3 MB in the beginning and 473.4 MB in the end (delta: 273.2 MB). Free memory was 85.3 MB in the beginning and 256.2 MB in the end (delta: -170.9 MB). Peak memory consumption was 102.3 MB. Max. memory is 7.1 GB. [2019-09-18 21:20:18,681 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 490.11 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 89.1 MB in the beginning and 174.0 MB in the end (delta: -84.8 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.17 ms. Allocated memory is still 200.3 MB. Free memory was 174.0 MB in the beginning and 172.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1160.39 ms. Allocated memory is still 200.3 MB. Free memory was 172.0 MB in the beginning and 85.3 MB in the end (delta: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * Sifa took 14956.79 ms. Allocated memory was 200.3 MB in the beginning and 473.4 MB in the end (delta: 273.2 MB). Free memory was 85.3 MB in the beginning and 256.2 MB in the end (delta: -170.9 MB). Peak memory consumption was 102.3 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]: 14906, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 216, DAG_INTERPRETER_EARLY_EXITS: 11, TOOLS_POST_APPLICATIONS: 160, TOOLS_POST_TIME[ms]: 111, TOOLS_POST_CALL_APPLICATIONS: 45, TOOLS_POST_CALL_TIME[ms]: 192, TOOLS_POST_RETURN_APPLICATIONS: 31, TOOLS_POST_RETURN_TIME[ms]: 72, TOOLS_QUANTIFIERELIM_APPLICATIONS: 225, TOOLS_QUANTIFIERELIM_TIME[ms]: 268, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 22, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 216, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 50, DOMAIN_JOIN_TIME[ms]: 13354, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 42, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 26, DOMAIN_ISSUBSETEQ_TIME[ms]: 93, DOMAIN_ISBOTTOM_APPLICATIONS: 53, DOMAIN_ISBOTTOM_TIME[ms]: 147, 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]: 9662, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 55, 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...