java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:10:27,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:10:27,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:10:27,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:10:27,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:10:27,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:10:27,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:10:27,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:10:27,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:10:27,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:10:27,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:10:27,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:10:27,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:10:27,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:10:27,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:10:27,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:10:27,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:10:27,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:10:27,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:10:27,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:10:27,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:10:27,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:10:27,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:10:27,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:10:27,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:10:27,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:10:27,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:10:27,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:10:27,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:10:27,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:10:27,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:10:27,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:10:27,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:10:27,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:10:27,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:10:27,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:10:27,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:10:27,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:10:27,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:10:27,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:10:27,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:10:27,145 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 [2019-09-21 09:10:27,160 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:10:27,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:10:27,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:10:27,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:10:27,162 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:10:27,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:10:27,162 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:10:27,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:10:27,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:10:27,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:10:27,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:10:27,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:10:27,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:10:27,164 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:10:27,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:10:27,164 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:10:27,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:10:27,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:10:27,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:10:27,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:10:27,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:10:27,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:10:27,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:10:27,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:10:27,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:10:27,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:10:27,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:10:27,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:10:27,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:10:27,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:10:27,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:10:27,216 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:10:27,218 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:10:27,218 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:10:27,219 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-21 09:10:27,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7995adacc/852f73daa2d84cd9a2f0d80272bdcc33/FLAGd62070f78 [2019-09-21 09:10:27,755 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:10:27,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-21 09:10:27,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7995adacc/852f73daa2d84cd9a2f0d80272bdcc33/FLAGd62070f78 [2019-09-21 09:10:28,121 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7995adacc/852f73daa2d84cd9a2f0d80272bdcc33 [2019-09-21 09:10:28,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:10:28,136 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:10:28,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:10:28,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:10:28,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:10:28,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:10:28" (1/1) ... [2019-09-21 09:10:28,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de0b607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:28, skipping insertion in model container [2019-09-21 09:10:28,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:10:28" (1/1) ... [2019-09-21 09:10:28,156 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:10:28,214 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:10:28,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:10:28,722 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:10:28,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:10:28,824 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:10:28,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:28 WrapperNode [2019-09-21 09:10:28,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:10:28,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:10:28,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:10:28,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:10:28,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:28" (1/1) ... [2019-09-21 09:10:28,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:28" (1/1) ... [2019-09-21 09:10:28,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:28" (1/1) ... [2019-09-21 09:10:28,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:28" (1/1) ... [2019-09-21 09:10:28,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:28" (1/1) ... [2019-09-21 09:10:28,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:28" (1/1) ... [2019-09-21 09:10:28,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:28" (1/1) ... [2019-09-21 09:10:28,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:10:28,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:10:28,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:10:28,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:10:28,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:10:28" (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 [2019-09-21 09:10:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:10:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:10:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-21 09:10:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-21 09:10:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-21 09:10:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:10:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-21 09:10:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-21 09:10:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-21 09:10:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-21 09:10:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-21 09:10:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-21 09:10:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-21 09:10:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:10:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-21 09:10:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:10:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-21 09:10:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-21 09:10:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-21 09:10:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-21 09:10:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-21 09:10:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-21 09:10:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-21 09:10:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-21 09:10:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-21 09:10:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-21 09:10:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-21 09:10:28,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:10:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-21 09:10:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:10:28,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:10:29,232 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:10:29,369 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2019-09-21 09:10:29,369 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2019-09-21 09:10:29,371 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:10:29,432 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2019-09-21 09:10:29,432 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2019-09-21 09:10:29,445 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:10:29,472 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-21 09:10:29,472 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-21 09:10:29,485 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-21 09:10:29,649 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-21 09:10:29,650 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-21 09:10:30,048 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:10:30,048 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-21 09:10:30,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:10:30 BoogieIcfgContainer [2019-09-21 09:10:30,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:10:30,051 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:10:30,051 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:10:30,051 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:10:30,053 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:10:30" (1/1) ... [2019-09-21 09:10:30,054 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:10:30,080 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:10:30,080 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:10:30,090 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:10:30,101 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:10:30,103 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:10:30,349 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-21 09:10:30,367 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 92 for LOIs [2019-09-21 09:10:31,226 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 83 for LOIs [2019-09-21 09:10:31,737 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 84 for LOIs [2019-09-21 09:10:31,796 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 69 for LOIs [2019-09-21 09:10:31,807 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 69 for LOIs [2019-09-21 09:10:31,824 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 81 for LOIs [2019-09-21 09:10:31,865 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 58 for LOIs [2019-09-21 09:10:31,871 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:10:31,872 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:10:31,874 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 287#(and (<= 0 ~compFptr~0) (<= 1 ~NP~0) (<= ~compFptr~0 0) (<= 5 ~MPR1~0) (<= ~lowerDriverReturn~0 259) (<= 0 ~compRegistered~0) (<= ~myStatus~0 259) (<= 0 (+ ~myStatus~0 1073741823)) (<= 0 ~UNLOADED~0) (<= ~IPC~0 7) (<= ~NP~0 1) (<= 0 ~KernelMode~0) (<= ~MPR3~0 6) (<= ~Executive~0 0) (<= ~MPR1~0 5) (<= 6 ~MPR3~0) (<= ~compRegistered~0 1) (<= 0 ~pended~0) (<= ~DC~0 2) (<= 7 ~IPC~0) (<= ~KernelMode~0 0) (<= 2 ~DC~0) (<= 0 ~Executive~0) (<= ~pended~0 0) (<= 0 (+ ~lowerDriverReturn~0 1073741823)) (<= 4 ~SKIP2~0) (<= 3 ~SKIP1~0) (<= ~SKIP1~0 3) (<= ~UNLOADED~0 0) (<= ~SKIP2~0 4)) [2019-09-21 09:10:31,888 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-21 09:10:31,888 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:10:31,891 INFO L168 Benchmark]: Toolchain (without parser) took 3754.76 ms. Allocated memory was 132.1 MB in the beginning and 262.7 MB in the end (delta: 130.5 MB). Free memory was 85.9 MB in the beginning and 225.8 MB in the end (delta: -140.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 09:10:31,894 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 132.1 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:10:31,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.27 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 85.7 MB in the beginning and 172.6 MB in the end (delta: -86.9 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:10:31,898 INFO L168 Benchmark]: Boogie Preprocessor took 53.56 ms. Allocated memory is still 199.8 MB. Free memory was 172.6 MB in the beginning and 170.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-21 09:10:31,900 INFO L168 Benchmark]: RCFGBuilder took 1170.64 ms. Allocated memory is still 199.8 MB. Free memory was 170.1 MB in the beginning and 82.3 MB in the end (delta: 87.8 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:10:31,908 INFO L168 Benchmark]: Sifa took 1837.74 ms. Allocated memory was 199.8 MB in the beginning and 262.7 MB in the end (delta: 62.9 MB). Free memory was 82.3 MB in the beginning and 225.8 MB in the end (delta: -143.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-21 09:10:31,915 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 132.1 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 688.27 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 85.7 MB in the beginning and 172.6 MB in the end (delta: -86.9 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.56 ms. Allocated memory is still 199.8 MB. Free memory was 172.6 MB in the beginning and 170.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1170.64 ms. Allocated memory is still 199.8 MB. Free memory was 170.1 MB in the beginning and 82.3 MB in the end (delta: 87.8 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. * Sifa took 1837.74 ms. Allocated memory was 199.8 MB in the beginning and 262.7 MB in the end (delta: 62.9 MB). Free memory was 82.3 MB in the beginning and 225.8 MB in the end (delta: -143.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 1795, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 206, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 149, TOOLS_POST_TIME[ms]: 123, TOOLS_POST_CALL_APPLICATIONS: 50, TOOLS_POST_CALL_TIME[ms]: 287, TOOLS_POST_RETURN_APPLICATIONS: 32, TOOLS_POST_RETURN_TIME[ms]: 74, TOOLS_QUANTIFIERELIM_APPLICATIONS: 223, TOOLS_QUANTIFIERELIM_TIME[ms]: 352, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 27, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 206, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 54, DOMAIN_JOIN_TIME[ms]: 1000, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 49, DOMAIN_ISBOTTOM_TIME[ms]: 135, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 32, CALL_SUMMARIZER_CACHE_MISSES: 11, CALL_SUMMARIZER_OVERALL_TIME[ms]: 631, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 630, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 56, DAG_COMPRESSION_PROCESSED_NODES: 682, DAG_COMPRESSION_RETAINED_NODES: 242 - UnprovableResult [Line: 580]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 287#(and (<= 0 ~compFptr~0) (<= 1 ~NP~0) (<= ~compFptr~0 0) (<= 5 ~MPR1~0) (<= ~lowerDriverReturn~0 259) (<= 0 ~compRegistered~0) (<= ~myStatus~0 259) (<= 0 (+ ~myStatus~0 1073741823)) (<= 0 ~UNLOADED~0) (<= ~IPC~0 7) (<= ~NP~0 1) (<= 0 ~KernelMode~0) (<= ~MPR3~0 6) (<= ~Executive~0 0) (<= ~MPR1~0 5) (<= 6 ~MPR3~0) (<= ~compRegistered~0 1) (<= 0 ~pended~0) (<= ~DC~0 2) (<= 7 ~IPC~0) (<= ~KernelMode~0 0) (<= 2 ~DC~0) (<= 0 ~Executive~0) (<= ~pended~0 0) (<= 0 (+ ~lowerDriverReturn~0 1073741823)) (<= 4 ~SKIP2~0) (<= 3 ~SKIP1~0) (<= ~SKIP1~0 3) (<= ~UNLOADED~0 0) (<= ~SKIP2~0 4)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...