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 InterpretCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 21:23:55,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 21:23:55,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 21:23:55,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 21:23:55,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 21:23:55,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 21:23:55,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 21:23:55,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 21:23:55,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 21:23:55,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 21:23:55,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 21:23:55,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 21:23:55,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 21:23:55,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 21:23:55,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 21:23:55,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 21:23:55,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 21:23:55,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 21:23:55,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 21:23:55,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 21:23:55,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 21:23:55,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 21:23:55,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 21:23:55,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 21:23:55,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 21:23:55,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 21:23:55,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 21:23:55,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 21:23:55,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 21:23:55,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 21:23:55,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 21:23:55,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 21:23:55,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 21:23:55,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 21:23:55,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 21:23:55,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 21:23:55,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 21:23:55,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 21:23:55,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 21:23:55,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 21:23:55,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 21:23:55,773 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 21:23:55,799 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 21:23:55,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 21:23:55,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 21:23:55,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 21:23:55,802 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 21:23:55,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 21:23:55,802 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 21:23:55,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 21:23:55,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 21:23:55,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 21:23:55,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 21:23:55,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 21:23:55,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 21:23:55,804 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 21:23:55,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 21:23:55,805 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 21:23:55,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 21:23:55,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 21:23:55,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 21:23:55,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 21:23:55,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 21:23:55,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:23:55,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 21:23:55,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 21:23:55,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 21:23:55,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 21:23:55,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 21:23:55,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 21:23:55,808 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 -> InterpretCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 21:23:55,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 21:23:55,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 21:23:55,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 21:23:55,894 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 21:23:55,894 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 21:23:55,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-20 21:23:55,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed03b9037/acf59a9eb13042e697528978322a07ff/FLAG955aca102 [2019-09-20 21:23:56,369 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 21:23:56,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-20 21:23:56,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed03b9037/acf59a9eb13042e697528978322a07ff/FLAG955aca102 [2019-09-20 21:23:56,725 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed03b9037/acf59a9eb13042e697528978322a07ff [2019-09-20 21:23:56,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 21:23:56,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 21:23:56,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 21:23:56,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 21:23:56,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 21:23:56,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:23:56" (1/1) ... [2019-09-20 21:23:56,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72559bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:56, skipping insertion in model container [2019-09-20 21:23:56,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:23:56" (1/1) ... [2019-09-20 21:23:56,753 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 21:23:56,811 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 21:23:57,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:23:57,124 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 21:23:57,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 21:23:57,287 INFO L192 MainTranslator]: Completed translation [2019-09-20 21:23:57,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57 WrapperNode [2019-09-20 21:23:57,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 21:23:57,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 21:23:57,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 21:23:57,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 21:23:57,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57" (1/1) ... [2019-09-20 21:23:57,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 21:23:57,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 21:23:57,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 21:23:57,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 21:23:57,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:23:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 21:23:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 21:23:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 21:23:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 21:23:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 21:23:57,411 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 21:23:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 21:23:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 21:23:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 21:23:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 21:23:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 21:23:57,412 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 21:23:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 21:23:57,413 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 21:23:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 21:23:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 21:23:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 21:23:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 21:23:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 21:23:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 21:23:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 21:23:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 21:23:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 21:23:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 21:23:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 21:23:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 21:23:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 21:23:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 21:23:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 21:23:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 21:23:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 21:23:57,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 21:23:57,698 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:23:57,799 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2019-09-20 21:23:57,800 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2019-09-20 21:23:57,802 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:23:57,858 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2019-09-20 21:23:57,859 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2019-09-20 21:23:57,904 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:23:57,924 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 21:23:57,925 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 21:23:57,949 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 21:23:58,109 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 21:23:58,110 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 21:23:58,500 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 21:23:58,500 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 21:23:58,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:23:58 BoogieIcfgContainer [2019-09-20 21:23:58,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 21:23:58,517 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 21:23:58,517 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 21:23:58,517 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 21:23:58,518 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:23:58" (1/1) ... [2019-09-20 21:23:58,519 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 21:23:58,547 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 21:23:58,547 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 21:23:58,556 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 21:23:58,565 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 21:23:58,567 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 21:23:58,734 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 74 for LOIs [2019-09-20 21:23:59,604 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2019-09-20 21:23:59,764 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 21:23:59,925 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 1 [2019-09-20 21:24:00,200 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-20 21:24:00,322 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 21:24:00,443 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:00,559 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:00,735 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 21:24:00,906 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-20 21:24:01,071 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 1 [2019-09-20 21:24:01,329 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-20 21:24:01,452 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 21:24:01,580 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:01,707 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:02,716 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 125 [2019-09-20 21:24:03,158 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-20 21:24:03,489 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 105 [2019-09-20 21:24:03,637 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 21:24:04,033 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2019-09-20 21:24:04,146 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 21:24:04,268 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:04,387 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 21:24:05,606 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 141 DAG size of output: 129 [2019-09-20 21:24:06,175 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2019-09-20 21:24:06,365 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 21:24:06,523 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-20 21:24:06,776 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-20 21:24:07,528 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 105 [2019-09-20 21:24:07,684 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 21:24:07,817 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:24:07,957 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:24:08,156 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 21:24:08,378 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 21:24:08,645 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-20 21:24:08,847 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 21:24:09,105 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 61 [2019-09-20 21:24:09,612 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 113 [2019-09-20 21:24:09,763 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 21:24:10,665 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2019-09-20 21:24:11,093 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 21:24:12,267 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2019-09-20 21:24:12,583 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 70 for LOIs [2019-09-20 21:24:12,787 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-20 21:24:13,060 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-20 21:24:13,286 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-20 21:24:13,532 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-20 21:24:14,279 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 105 [2019-09-20 21:24:14,422 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 21:24:14,577 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:24:14,717 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:24:14,915 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-20 21:24:15,155 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-20 21:24:15,906 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 105 [2019-09-20 21:24:16,043 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 21:24:16,193 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:24:16,334 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 21:24:16,533 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 21:24:16,690 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 21:24:16,836 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 21:24:17,036 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 21:24:17,314 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-20 21:24:17,509 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 21:24:17,569 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 68 for LOIs [2019-09-20 21:24:17,811 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-20 21:24:18,128 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2019-09-20 21:24:18,364 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-09-20 21:24:18,773 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-20 21:24:18,890 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 21:24:18,918 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 56 for LOIs [2019-09-20 21:24:18,920 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 13 for LOIs [2019-09-20 21:24:18,932 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 21 for LOIs [2019-09-20 21:24:19,078 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-20 21:24:19,188 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 23 for LOIs [2019-09-20 21:24:19,213 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 21:24:19,213 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 21:24:19,216 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 638#(or (and (= ~MPR3~0 ~s~0) (not (= 1 ~customIrp~0)) (not (= ~setEventCalled~0 1))) (and (not (= ~s~0 ~NP~0)) (<= 0 (+ ~myStatus~0 2147483648)) (<= ~myStatus~0 2147483647))) [2019-09-20 21:24:19,228 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 21:24:19,228 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 21:24:19,230 INFO L168 Benchmark]: Toolchain (without parser) took 22493.80 ms. Allocated memory was 135.3 MB in the beginning and 472.4 MB in the end (delta: 337.1 MB). Free memory was 89.5 MB in the beginning and 100.1 MB in the end (delta: -10.5 MB). Peak memory consumption was 326.6 MB. Max. memory is 7.1 GB. [2019-09-20 21:24:19,231 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory was 108.4 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 21:24:19,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.41 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 89.3 MB in the beginning and 175.3 MB in the end (delta: -86.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2019-09-20 21:24:19,232 INFO L168 Benchmark]: Boogie Preprocessor took 49.82 ms. Allocated memory is still 201.9 MB. Free memory was 175.3 MB in the beginning and 172.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-20 21:24:19,233 INFO L168 Benchmark]: RCFGBuilder took 1177.50 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 172.9 MB in the beginning and 203.4 MB in the end (delta: -30.5 MB). Peak memory consumption was 93.7 MB. Max. memory is 7.1 GB. [2019-09-20 21:24:19,234 INFO L168 Benchmark]: Sifa took 20711.48 ms. Allocated memory was 231.2 MB in the beginning and 472.4 MB in the end (delta: 241.2 MB). Free memory was 203.4 MB in the beginning and 100.1 MB in the end (delta: 103.3 MB). Peak memory consumption was 344.5 MB. Max. memory is 7.1 GB. [2019-09-20 21:24:19,238 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory was 108.4 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 551.41 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 89.3 MB in the beginning and 175.3 MB in the end (delta: -86.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.82 ms. Allocated memory is still 201.9 MB. Free memory was 175.3 MB in the beginning and 172.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1177.50 ms. Allocated memory was 201.9 MB in the beginning and 231.2 MB in the end (delta: 29.4 MB). Free memory was 172.9 MB in the beginning and 203.4 MB in the end (delta: -30.5 MB). Peak memory consumption was 93.7 MB. Max. memory is 7.1 GB. * Sifa took 20711.48 ms. Allocated memory was 231.2 MB in the beginning and 472.4 MB in the end (delta: 241.2 MB). Free memory was 203.4 MB in the beginning and 100.1 MB in the end (delta: 103.3 MB). Peak memory consumption was 344.5 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]: 20669, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 351, DAG_INTERPRETER_EARLY_EXITS: 20, TOOLS_POST_APPLICATIONS: 255, TOOLS_POST_TIME[ms]: 150, TOOLS_POST_CALL_APPLICATIONS: 64, TOOLS_POST_CALL_TIME[ms]: 213, TOOLS_POST_RETURN_APPLICATIONS: 50, TOOLS_POST_RETURN_TIME[ms]: 89, TOOLS_QUANTIFIERELIM_APPLICATIONS: 336, TOOLS_QUANTIFIERELIM_TIME[ms]: 329, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 26, FLUID_QUERY_TIME[ms]: 15, FLUID_QUERIES: 351, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 96, DOMAIN_JOIN_TIME[ms]: 19770, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 55, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 84, DOMAIN_ISBOTTOM_TIME[ms]: 237, 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: 0, CALL_SUMMARIZER_CACHE_MISSES: 50, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15411, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 43, 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 638#(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...