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 TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --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 23:17:58,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:17:58,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:17:58,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:17:58,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:17:58,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:17:58,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:17:58,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:17:58,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:17:58,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:17:58,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:17:58,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:17:58,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:17:58,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:17:58,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:17:58,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:17:58,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:17:58,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:17:58,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:17:58,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:17:58,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:17:58,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:17:58,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:17:58,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:17:58,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:17:58,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:17:58,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:17:58,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:17:58,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:17:58,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:17:58,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:17:58,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:17:58,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:17:58,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:17:58,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:17:58,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:17:58,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:17:58,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:17:58,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:17:58,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:17:58,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:17:58,484 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 23:17:58,497 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:17:58,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:17:58,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:17:58,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:17:58,499 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:17:58,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:17:58,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:17:58,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:17:58,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:17:58,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:17:58,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:17:58,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:17:58,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:17:58,501 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:17:58,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:17:58,501 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:17:58,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:17:58,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:17:58,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:17:58,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:17:58,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:17:58,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:17:58,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:17:58,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:17:58,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:17:58,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:17:58,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:17:58,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:17:58,504 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 -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:17:58,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:17:58,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:17:58,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:17:58,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:17:58,552 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:17:58,552 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-20 23:17:58,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/575a74c70/6669c6bc836141cb91bff4610901cf30/FLAG367bd1eb7 [2019-09-20 23:17:59,104 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:17:59,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2019-09-20 23:17:59,123 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/575a74c70/6669c6bc836141cb91bff4610901cf30/FLAG367bd1eb7 [2019-09-20 23:17:59,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/575a74c70/6669c6bc836141cb91bff4610901cf30 [2019-09-20 23:17:59,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:17:59,474 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:17:59,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:17:59,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:17:59,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:17:59,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:17:59" (1/1) ... [2019-09-20 23:17:59,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba7a62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59, skipping insertion in model container [2019-09-20 23:17:59,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:17:59" (1/1) ... [2019-09-20 23:17:59,489 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:17:59,539 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:17:59,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:17:59,789 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:17:59,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:17:59,952 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:17:59,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59 WrapperNode [2019-09-20 23:17:59,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:17:59,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:17:59,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:17:59,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:17:59,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59" (1/1) ... [2019-09-20 23:17:59,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59" (1/1) ... [2019-09-20 23:17:59,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59" (1/1) ... [2019-09-20 23:17:59,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59" (1/1) ... [2019-09-20 23:17:59,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59" (1/1) ... [2019-09-20 23:17:59,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59" (1/1) ... [2019-09-20 23:18:00,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59" (1/1) ... [2019-09-20 23:18:00,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:18:00,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:18:00,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:18:00,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:18:00,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:17:59" (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 23:18:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:18:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:18:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 23:18:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 23:18:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 23:18:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:18:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 23:18:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 23:18:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 23:18:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 23:18:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 23:18:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 23:18:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 23:18:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:18:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 23:18:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:18:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 23:18:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 23:18:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 23:18:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 23:18:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 23:18:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 23:18:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 23:18:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 23:18:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 23:18:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 23:18:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 23:18:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:18:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 23:18:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:18:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:18:00,370 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:00,485 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2019-09-20 23:18:00,485 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2019-09-20 23:18:00,487 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:00,549 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2019-09-20 23:18:00,549 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2019-09-20 23:18:00,560 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:00,578 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 23:18:00,579 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 23:18:00,608 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 23:18:00,745 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 23:18:00,746 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 23:18:01,090 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:18:01,090 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 23:18:01,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:18:01 BoogieIcfgContainer [2019-09-20 23:18:01,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:18:01,092 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:18:01,093 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:18:01,093 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:18:01,094 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:18:01" (1/1) ... [2019-09-20 23:18:01,095 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:18:01,127 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:18:01,128 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:18:01,147 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:18:01,160 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:18:01,161 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:18:01,357 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 74 for LOIs [2019-09-20 23:18:02,080 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-20 23:18:02,355 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-20 23:18:02,607 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 23:18:02,756 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 23:18:02,866 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-09-20 23:18:03,086 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 23:18:03,263 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 23:18:03,476 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 23:18:03,711 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 23:18:03,830 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 23:18:04,147 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 23:18:04,290 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-20 23:18:04,873 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 23:18:05,093 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 23:18:05,542 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2019-09-20 23:18:05,679 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-20 23:18:06,560 WARN L191 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2019-09-20 23:18:06,987 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 23:18:08,133 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2019-09-20 23:18:08,471 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 70 for LOIs [2019-09-20 23:18:08,848 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-20 23:18:09,101 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 23:18:09,275 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 23:18:10,306 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 121 DAG size of output: 117 [2019-09-20 23:18:10,772 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-20 23:18:10,791 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 68 for LOIs [2019-09-20 23:18:11,086 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2019-09-20 23:18:11,196 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 23:18:11,207 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 56 for LOIs [2019-09-20 23:18:11,268 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 57 for LOIs [2019-09-20 23:18:11,417 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 64 for LOIs [2019-09-20 23:18:11,866 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2019-09-20 23:18:12,086 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 23:18:12,301 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2019-09-20 23:18:12,388 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 51 for LOIs [2019-09-20 23:18:12,567 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:18:12,567 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:18:12,570 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 324#(and (not (= ~s~0 ~NP~0)) (or (and (= ~MPR1~0 5) (= ~IPC~0 7) (= 0 ~pended~0) (= 2 ~DC~0) (= ~compFptr~0 0) (= 0 ~customIrp~0) (= ~MPR3~0 6) (<= 0 (+ ~myStatus~0 2147483648)) (<= ~myStatus~0 2147483647) (= ~KernelMode~0 0) (= ~SKIP1~0 3) (= 1 ~compRegistered~0) (= 1 ~NP~0) (= ~SKIP2~0 4) (= 0 ~Executive~0) (= 0 ~UNLOADED~0)) (and (= ~MPR1~0 5) (= ~IPC~0 7) (= 0 ~pended~0) (= 2 ~DC~0) (= ~compFptr~0 0) (= ~MPR3~0 6) (= ~KernelMode~0 0) (= ~SKIP1~0 3) (= ~myStatus~0 259) (= 1 ~compRegistered~0) (= 1 ~NP~0) (= ~SKIP2~0 4) (= 0 ~Executive~0) (= 0 ~UNLOADED~0)))) [2019-09-20 23:18:12,586 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:18:12,586 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:18:12,588 INFO L168 Benchmark]: Toolchain (without parser) took 13113.97 ms. Allocated memory was 133.2 MB in the beginning and 423.1 MB in the end (delta: 289.9 MB). Free memory was 88.2 MB in the beginning and 233.0 MB in the end (delta: -144.8 MB). Peak memory consumption was 145.2 MB. Max. memory is 7.1 GB. [2019-09-20 23:18:12,589 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 133.2 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:18:12,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 477.94 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.0 MB in the beginning and 173.5 MB in the end (delta: -85.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-09-20 23:18:12,591 INFO L168 Benchmark]: Boogie Preprocessor took 52.52 ms. Allocated memory is still 199.8 MB. Free memory was 173.5 MB in the beginning and 171.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-20 23:18:12,593 INFO L168 Benchmark]: RCFGBuilder took 1086.38 ms. Allocated memory is still 199.8 MB. Free memory was 171.0 MB in the beginning and 82.5 MB in the end (delta: 88.5 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. [2019-09-20 23:18:12,595 INFO L168 Benchmark]: Sifa took 11494.03 ms. Allocated memory was 199.8 MB in the beginning and 423.1 MB in the end (delta: 223.3 MB). Free memory was 82.5 MB in the beginning and 233.0 MB in the end (delta: -150.5 MB). Peak memory consumption was 72.9 MB. Max. memory is 7.1 GB. [2019-09-20 23:18:12,610 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 133.2 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 477.94 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.0 MB in the beginning and 173.5 MB in the end (delta: -85.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 52.52 ms. Allocated memory is still 199.8 MB. Free memory was 173.5 MB in the beginning and 171.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1086.38 ms. Allocated memory is still 199.8 MB. Free memory was 171.0 MB in the beginning and 82.5 MB in the end (delta: 88.5 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. * Sifa took 11494.03 ms. Allocated memory was 199.8 MB in the beginning and 423.1 MB in the end (delta: 223.3 MB). Free memory was 82.5 MB in the beginning and 233.0 MB in the end (delta: -150.5 MB). Peak memory consumption was 72.9 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]: 11443, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 195, DAG_INTERPRETER_EARLY_EXITS: 7, TOOLS_POST_APPLICATIONS: 146, TOOLS_POST_TIME[ms]: 93, TOOLS_POST_CALL_APPLICATIONS: 42, TOOLS_POST_CALL_TIME[ms]: 226, TOOLS_POST_RETURN_APPLICATIONS: 28, TOOLS_POST_RETURN_TIME[ms]: 47, TOOLS_QUANTIFIERELIM_APPLICATIONS: 211, TOOLS_QUANTIFIERELIM_TIME[ms]: 264, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 30, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 195, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 47, DOMAIN_JOIN_TIME[ms]: 10784, 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: 48, DOMAIN_ISBOTTOM_TIME[ms]: 127, 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: 28, CALL_SUMMARIZER_CACHE_MISSES: 11, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3810, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3810, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 13, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 47, 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 324#(and (not (= ~s~0 ~NP~0)) (or (and (= ~MPR1~0 5) (= ~IPC~0 7) (= 0 ~pended~0) (= 2 ~DC~0) (= ~compFptr~0 0) (= 0 ~customIrp~0) (= ~MPR3~0 6) (<= 0 (+ ~myStatus~0 2147483648)) (<= ~myStatus~0 2147483647) (= ~KernelMode~0 0) (= ~SKIP1~0 3) (= 1 ~compRegistered~0) (= 1 ~NP~0) (= ~SKIP2~0 4) (= 0 ~Executive~0) (= 0 ~UNLOADED~0)) (and (= ~MPR1~0 5) (= ~IPC~0 7) (= 0 ~pended~0) (= 2 ~DC~0) (= ~compFptr~0 0) (= ~MPR3~0 6) (= ~KernelMode~0 0) (= ~SKIP1~0 3) (= ~myStatus~0 259) (= 1 ~compRegistered~0) (= 1 ~NP~0) (= ~SKIP2~0 4) (= 0 ~Executive~0) (= 0 ~UNLOADED~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...