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 AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:25:38,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:25:38,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:25:38,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:25:38,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:25:38,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:25:38,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:25:38,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:25:38,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:25:38,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:25:38,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:25:38,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:25:38,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:25:38,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:25:38,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:25:38,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:25:38,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:25:38,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:25:38,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:25:38,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:25:38,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:25:38,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:25:38,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:25:38,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:25:38,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:25:38,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:25:38,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:25:38,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:25:38,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:25:38,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:25:38,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:25:38,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:25:38,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:25:38,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:25:38,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:25:38,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:25:38,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:25:38,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:25:38,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:25:38,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:25:38,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:25:38,435 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 22:25:38,450 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:25:38,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:25:38,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:25:38,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:25:38,452 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:25:38,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:25:38,453 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:25:38,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:25:38,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:25:38,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:25:38,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:25:38,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:25:38,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:25:38,454 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:25:38,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:25:38,455 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:25:38,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:25:38,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:25:38,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:25:38,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:25:38,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:25:38,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:25:38,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:25:38,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:25:38,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:25:38,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:25:38,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:25:38,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:25:38,458 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 -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:25:38,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:25:38,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:25:38,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:25:38,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:25:38,535 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:25:38,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-20 22:25:38,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5189fcf24/4f87636b81ac487082340a5489ec1463/FLAG04cb52418 [2019-09-20 22:25:39,136 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:25:39,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2019-09-20 22:25:39,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5189fcf24/4f87636b81ac487082340a5489ec1463/FLAG04cb52418 [2019-09-20 22:25:39,441 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5189fcf24/4f87636b81ac487082340a5489ec1463 [2019-09-20 22:25:39,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:25:39,453 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:25:39,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:25:39,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:25:39,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:25:39,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:25:39" (1/1) ... [2019-09-20 22:25:39,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9b7aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:39, skipping insertion in model container [2019-09-20 22:25:39,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:25:39" (1/1) ... [2019-09-20 22:25:39,467 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:25:39,536 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:25:39,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:25:39,936 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:25:40,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:25:40,037 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:25:40,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:40 WrapperNode [2019-09-20 22:25:40,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:25:40,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:25:40,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:25:40,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:25:40,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:40" (1/1) ... [2019-09-20 22:25:40,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:40" (1/1) ... [2019-09-20 22:25:40,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:40" (1/1) ... [2019-09-20 22:25:40,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:40" (1/1) ... [2019-09-20 22:25:40,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:40" (1/1) ... [2019-09-20 22:25:40,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:40" (1/1) ... [2019-09-20 22:25:40,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:40" (1/1) ... [2019-09-20 22:25:40,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:25:40,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:25:40,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:25:40,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:25:40,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:25:40" (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 22:25:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:25:40,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:25:40,169 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 22:25:40,169 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 22:25:40,169 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 22:25:40,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:25:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 22:25:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 22:25:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 22:25:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 22:25:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 22:25:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 22:25:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-20 22:25:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-20 22:25:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-20 22:25:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-20 22:25:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-20 22:25:40,172 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 22:25:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:25:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 22:25:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:25:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 22:25:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 22:25:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-20 22:25:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 22:25:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 22:25:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 22:25:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 22:25:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 22:25:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-20 22:25:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-20 22:25:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-20 22:25:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-20 22:25:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 22:25:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 22:25:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 22:25:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 22:25:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:25:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 22:25:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:25:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:25:40,467 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:40,543 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 22:25:40,544 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 22:25:40,564 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:40,683 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-20 22:25:40,684 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-20 22:25:40,685 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:40,749 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 22:25:40,749 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 22:25:40,762 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:40,807 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 22:25:40,808 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 22:25:40,896 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:40,924 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 22:25:40,924 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 22:25:40,954 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 22:25:41,065 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 22:25:41,065 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 22:25:41,517 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:25:41,518 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 22:25:41,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:25:41 BoogieIcfgContainer [2019-09-20 22:25:41,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:25:41,520 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:25:41,520 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:25:41,521 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:25:41,522 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:25:41" (1/1) ... [2019-09-20 22:25:41,522 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=AlwaysFluid [2019-09-20 22:25:41,553 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:25:41,553 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:25:41,574 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:25:41,584 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:25:41,586 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:25:41,792 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 58 for LOIs [2019-09-20 22:25:43,816 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 19 for LOIs [2019-09-20 22:25:43,987 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 21 for LOIs [2019-09-20 22:25:44,011 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_InternIoCtl with input of size 13 for LOIs [2019-09-20 22:25:44,184 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 7 for LOIs [2019-09-20 22:25:44,187 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_CreateClose with input of size 13 for LOIs [2019-09-20 22:25:44,262 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_DispatchPassThrough with input of size 10 for LOIs [2019-09-20 22:25:44,290 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 10 for LOIs [2019-09-20 22:25:44,306 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_Power with input of size 10 for LOIs [2019-09-20 22:25:44,321 INFO L199 IcfgInterpreter]: Interpreting procedure PoCallDriver with input of size 10 for LOIs [2019-09-20 22:25:44,365 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 3 for LOIs [2019-09-20 22:25:44,367 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 1 for LOIs [2019-09-20 22:25:44,370 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:25:44,370 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:25:44,372 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1371#true [2019-09-20 22:25:44,382 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:25:44,383 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:25:44,385 INFO L168 Benchmark]: Toolchain (without parser) took 4930.97 ms. Allocated memory was 135.3 MB in the beginning and 304.6 MB in the end (delta: 169.3 MB). Free memory was 90.7 MB in the beginning and 252.5 MB in the end (delta: -161.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:44,386 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:25:44,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.14 ms. Allocated memory was 135.3 MB in the beginning and 202.4 MB in the end (delta: 67.1 MB). Free memory was 90.5 MB in the beginning and 172.3 MB in the end (delta: -81.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:44,387 INFO L168 Benchmark]: Boogie Preprocessor took 75.79 ms. Allocated memory is still 202.4 MB. Free memory was 172.3 MB in the beginning and 168.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:44,388 INFO L168 Benchmark]: RCFGBuilder took 1405.36 ms. Allocated memory was 202.4 MB in the beginning and 231.2 MB in the end (delta: 28.8 MB). Free memory was 168.8 MB in the beginning and 158.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. [2019-09-20 22:25:44,389 INFO L168 Benchmark]: Sifa took 2862.47 ms. Allocated memory was 231.2 MB in the beginning and 304.6 MB in the end (delta: 73.4 MB). Free memory was 158.2 MB in the beginning and 252.5 MB in the end (delta: -94.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 22:25:44,393 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 584.14 ms. Allocated memory was 135.3 MB in the beginning and 202.4 MB in the end (delta: 67.1 MB). Free memory was 90.5 MB in the beginning and 172.3 MB in the end (delta: -81.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.79 ms. Allocated memory is still 202.4 MB. Free memory was 172.3 MB in the beginning and 168.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1405.36 ms. Allocated memory was 202.4 MB in the beginning and 231.2 MB in the end (delta: 28.8 MB). Free memory was 168.8 MB in the beginning and 158.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 90.8 MB. Max. memory is 7.1 GB. * Sifa took 2862.47 ms. Allocated memory was 231.2 MB in the beginning and 304.6 MB in the end (delta: 73.4 MB). Free memory was 158.2 MB in the beginning and 252.5 MB in the end (delta: -94.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 2819, ICFG_INTERPRETER_ENTERED_PROCEDURES: 13, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 452, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 362, TOOLS_POST_TIME[ms]: 124, TOOLS_POST_CALL_APPLICATIONS: 86, TOOLS_POST_CALL_TIME[ms]: 103, TOOLS_POST_RETURN_APPLICATIONS: 54, TOOLS_POST_RETURN_TIME[ms]: 44, TOOLS_QUANTIFIERELIM_APPLICATIONS: 502, TOOLS_QUANTIFIERELIM_TIME[ms]: 176, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 452, FLUID_YES_ANSWERS: 452, DOMAIN_JOIN_APPLICATIONS: 173, DOMAIN_JOIN_TIME[ms]: 1694, DOMAIN_ALPHA_APPLICATIONS: 452, DOMAIN_ALPHA_TIME[ms]: 501, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 157, DOMAIN_ISBOTTOM_TIME[ms]: 116, 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: 54, CALL_SUMMARIZER_CACHE_MISSES: 16, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1532, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1527, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 85, DAG_COMPRESSION_PROCESSED_NODES: 1977, DAG_COMPRESSION_RETAINED_NODES: 427 - UnprovableResult [Line: 1012]: 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 1371#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...