java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 09:36:23,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 09:36:23,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 09:36:23,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 09:36:23,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 09:36:23,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 09:36:23,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 09:36:23,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 09:36:23,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 09:36:23,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 09:36:23,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 09:36:23,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 09:36:23,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 09:36:23,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 09:36:23,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 09:36:23,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 09:36:23,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 09:36:23,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 09:36:23,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 09:36:23,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 09:36:23,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 09:36:23,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 09:36:23,051 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 09:36:23,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 09:36:23,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 09:36:23,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 09:36:23,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 09:36:23,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 09:36:23,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 09:36:23,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 09:36:23,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 09:36:23,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 09:36:23,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 09:36:23,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 09:36:23,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 09:36:23,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 09:36:23,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 09:36:23,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 09:36:23,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 09:36:23,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 09:36:23,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 09:36:23,068 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 [2019-09-17 09:36:23,095 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 09:36:23,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 09:36:23,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 09:36:23,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 09:36:23,099 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 09:36:23,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 09:36:23,099 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 09:36:23,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 09:36:23,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 09:36:23,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 09:36:23,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 09:36:23,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 09:36:23,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 09:36:23,101 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 09:36:23,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 09:36:23,101 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 09:36:23,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 09:36:23,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 09:36:23,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 09:36:23,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 09:36:23,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 09:36:23,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 09:36:23,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 09:36:23,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 09:36:23,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 09:36:23,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 09:36:23,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 09:36:23,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 09:36:23,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 09:36:23,139 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 09:36:23,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 09:36:23,156 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 09:36:23,158 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 09:36:23,158 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 09:36:23,159 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-17 09:36:23,222 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2ef5fa48/2bb2e06ccbd64c3dabe581bbf988dd10/FLAG37706e8f4 [2019-09-17 09:36:23,769 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 09:36:23,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-17 09:36:23,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2ef5fa48/2bb2e06ccbd64c3dabe581bbf988dd10/FLAG37706e8f4 [2019-09-17 09:36:24,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2ef5fa48/2bb2e06ccbd64c3dabe581bbf988dd10 [2019-09-17 09:36:24,104 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 09:36:24,105 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 09:36:24,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 09:36:24,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 09:36:24,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 09:36:24,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:36:24" (1/1) ... [2019-09-17 09:36:24,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df3b983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:36:24, skipping insertion in model container [2019-09-17 09:36:24,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:36:24" (1/1) ... [2019-09-17 09:36:24,123 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 09:36:24,189 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 09:36:24,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:36:24,669 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 09:36:24,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:36:24,748 INFO L192 MainTranslator]: Completed translation [2019-09-17 09:36:24,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:36:24 WrapperNode [2019-09-17 09:36:24,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 09:36:24,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 09:36:24,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 09:36:24,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 09:36:24,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:36:24" (1/1) ... [2019-09-17 09:36:24,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:36:24" (1/1) ... [2019-09-17 09:36:24,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:36:24" (1/1) ... [2019-09-17 09:36:24,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:36:24" (1/1) ... [2019-09-17 09:36:24,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:36:24" (1/1) ... [2019-09-17 09:36:24,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:36:24" (1/1) ... [2019-09-17 09:36:24,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:36:24" (1/1) ... [2019-09-17 09:36:24,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 09:36:24,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 09:36:24,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 09:36:24,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 09:36:24,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:36:24" (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 [2019-09-17 09:36:24,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 09:36:24,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 09:36:24,879 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-17 09:36:24,879 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-17 09:36:24,880 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-17 09:36:24,880 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 09:36:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-17 09:36:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-17 09:36:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-17 09:36:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-17 09:36:24,881 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-17 09:36:24,882 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-17 09:36:24,883 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-17 09:36:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 09:36:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-17 09:36:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 09:36:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-17 09:36:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-17 09:36:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-17 09:36:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-17 09:36:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-17 09:36:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-17 09:36:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-17 09:36:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-17 09:36:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-17 09:36:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-17 09:36:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-17 09:36:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 09:36:24,887 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-17 09:36:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 09:36:24,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 09:36:25,190 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-17 09:36:25,324 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2019-09-17 09:36:25,324 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2019-09-17 09:36:25,325 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-17 09:36:25,396 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2019-09-17 09:36:25,396 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2019-09-17 09:36:25,421 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-17 09:36:25,459 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-17 09:36:25,460 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-17 09:36:25,482 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-17 09:36:25,616 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-17 09:36:25,616 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-17 09:36:26,011 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 09:36:26,011 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-17 09:36:26,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:36:26 BoogieIcfgContainer [2019-09-17 09:36:26,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 09:36:26,014 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 09:36:26,014 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 09:36:26,014 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 09:36:26,015 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:36:26" (1/1) ... [2019-09-17 09:36:26,016 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 09:36:26,041 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 09:36:26,041 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 09:36:26,050 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 09:36:26,059 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 09:36:26,061 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 09:36:26,283 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-17 09:36:26,301 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 92 for LOIs [2019-09-17 09:36:27,058 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-09-17 09:36:27,289 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2019-09-17 09:36:27,832 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-09-17 09:36:28,086 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-17 09:36:28,308 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-17 09:36:28,664 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-17 09:36:29,749 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 145 [2019-09-17 09:36:30,103 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-17 09:36:30,109 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 83 for LOIs [2019-09-17 09:36:31,075 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-09-17 09:36:31,360 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-17 09:36:32,337 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 09:36:32,490 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-17 09:36:33,556 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-17 09:36:33,732 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-17 09:36:34,062 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-17 09:36:34,446 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-09-17 09:36:34,562 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-17 09:36:34,563 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 84 for LOIs [2019-09-17 09:36:34,867 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-17 09:36:35,213 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-17 09:36:35,214 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 69 for LOIs [2019-09-17 09:36:35,572 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-17 09:36:35,573 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 69 for LOIs [2019-09-17 09:36:35,841 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-17 09:36:35,841 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 81 for LOIs [2019-09-17 09:36:36,006 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-17 09:36:36,074 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 58 for LOIs [2019-09-17 09:36:36,147 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 09:36:36,147 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 09:36:36,150 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)) [2019-09-17 09:36:36,161 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 09:36:36,161 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 09:36:36,163 INFO L168 Benchmark]: Toolchain (without parser) took 12057.60 ms. Allocated memory was 138.9 MB in the beginning and 414.2 MB in the end (delta: 275.3 MB). Free memory was 84.1 MB in the beginning and 120.6 MB in the end (delta: -36.5 MB). Peak memory consumption was 238.7 MB. Max. memory is 7.1 GB. [2019-09-17 09:36:36,164 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 09:36:36,165 INFO L168 Benchmark]: CACSL2BoogieTranslator took 642.74 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 83.9 MB in the beginning and 172.5 MB in the end (delta: -88.6 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-17 09:36:36,166 INFO L168 Benchmark]: Boogie Preprocessor took 68.09 ms. Allocated memory is still 198.7 MB. Free memory was 172.5 MB in the beginning and 169.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-09-17 09:36:36,167 INFO L168 Benchmark]: RCFGBuilder took 1195.58 ms. Allocated memory is still 198.7 MB. Free memory was 169.2 MB in the beginning and 83.3 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2019-09-17 09:36:36,168 INFO L168 Benchmark]: Sifa took 10147.57 ms. Allocated memory was 198.7 MB in the beginning and 414.2 MB in the end (delta: 215.5 MB). Free memory was 83.3 MB in the beginning and 120.6 MB in the end (delta: -37.3 MB). Peak memory consumption was 178.2 MB. Max. memory is 7.1 GB. [2019-09-17 09:36:36,171 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 642.74 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 83.9 MB in the beginning and 172.5 MB in the end (delta: -88.6 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.09 ms. Allocated memory is still 198.7 MB. Free memory was 172.5 MB in the beginning and 169.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1195.58 ms. Allocated memory is still 198.7 MB. Free memory was 169.2 MB in the beginning and 83.3 MB in the end (delta: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * Sifa took 10147.57 ms. Allocated memory was 198.7 MB in the beginning and 414.2 MB in the end (delta: 215.5 MB). Free memory was 83.3 MB in the beginning and 120.6 MB in the end (delta: -37.3 MB). Peak memory consumption was 178.2 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]: 10109, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 206, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 149, TOOLS_POST_TIME[ms]: 97, TOOLS_POST_CALL_APPLICATIONS: 50, TOOLS_POST_CALL_TIME[ms]: 215, TOOLS_POST_RETURN_APPLICATIONS: 32, TOOLS_POST_RETURN_TIME[ms]: 51, TOOLS_QUANTIFIERELIM_APPLICATIONS: 223, TOOLS_QUANTIFIERELIM_TIME[ms]: 259, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 17, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 206, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 54, DOMAIN_JOIN_TIME[ms]: 9448, 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]: 150, 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]: 2046, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2045, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 49, 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...