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-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 17:01:21,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 17:01:21,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 17:01:21,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 17:01:21,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 17:01:21,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 17:01:21,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 17:01:21,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 17:01:21,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 17:01:21,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 17:01:21,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 17:01:21,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 17:01:21,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 17:01:21,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 17:01:21,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 17:01:21,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 17:01:21,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 17:01:21,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 17:01:21,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 17:01:21,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 17:01:21,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 17:01:21,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 17:01:21,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 17:01:21,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 17:01:21,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 17:01:21,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 17:01:21,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 17:01:21,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 17:01:21,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 17:01:21,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 17:01:21,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 17:01:21,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 17:01:21,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 17:01:21,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 17:01:21,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 17:01:21,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 17:01:21,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 17:01:21,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 17:01:21,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 17:01:21,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 17:01:21,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 17:01:21,592 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 [2019-09-19 17:01:21,613 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 17:01:21,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 17:01:21,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 17:01:21,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 17:01:21,616 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 17:01:21,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 17:01:21,617 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 17:01:21,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 17:01:21,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 17:01:21,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 17:01:21,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 17:01:21,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 17:01:21,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 17:01:21,619 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 17:01:21,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 17:01:21,620 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 17:01:21,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 17:01:21,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 17:01:21,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 17:01:21,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 17:01:21,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 17:01:21,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 17:01:21,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 17:01:21,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 17:01:21,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 17:01:21,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 17:01:21,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 17:01:21,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 17:01:21,622 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 [2019-09-19 17:01:21,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 17:01:21,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 17:01:21,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 17:01:21,706 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 17:01:21,707 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 17:01:21,707 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-19 17:01:21,777 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6ae851c/5d7a9c9cc1d54e24886220d86d90d522/FLAG08522ac11 [2019-09-19 17:01:22,241 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 17:01:22,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-19 17:01:22,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6ae851c/5d7a9c9cc1d54e24886220d86d90d522/FLAG08522ac11 [2019-09-19 17:01:22,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec6ae851c/5d7a9c9cc1d54e24886220d86d90d522 [2019-09-19 17:01:22,626 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 17:01:22,627 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 17:01:22,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 17:01:22,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 17:01:22,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 17:01:22,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:01:22" (1/1) ... [2019-09-19 17:01:22,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b8ced7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:22, skipping insertion in model container [2019-09-19 17:01:22,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 05:01:22" (1/1) ... [2019-09-19 17:01:22,640 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 17:01:22,697 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 17:01:23,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:01:23,065 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 17:01:23,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 17:01:23,169 INFO L192 MainTranslator]: Completed translation [2019-09-19 17:01:23,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:23 WrapperNode [2019-09-19 17:01:23,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 17:01:23,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 17:01:23,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 17:01:23,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 17:01:23,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:23" (1/1) ... [2019-09-19 17:01:23,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:23" (1/1) ... [2019-09-19 17:01:23,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:23" (1/1) ... [2019-09-19 17:01:23,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:23" (1/1) ... [2019-09-19 17:01:23,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:23" (1/1) ... [2019-09-19 17:01:23,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:23" (1/1) ... [2019-09-19 17:01:23,231 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:23" (1/1) ... [2019-09-19 17:01:23,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 17:01:23,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 17:01:23,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 17:01:23,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 17:01:23,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 05:01:23" (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 [2019-09-19 17:01:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 17:01:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 17:01:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-19 17:01:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-19 17:01:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-19 17:01:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 17:01:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-19 17:01:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-19 17:01:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-19 17:01:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-19 17:01:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-19 17:01:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-19 17:01:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-19 17:01:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-19 17:01:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-19 17:01:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-19 17:01:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-19 17:01:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-19 17:01:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 17:01:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-19 17:01:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 17:01:23,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-19 17:01:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-19 17:01:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-19 17:01:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-19 17:01:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-19 17:01:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-19 17:01:23,299 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-19 17:01:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-19 17:01:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-19 17:01:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-19 17:01:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-19 17:01:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-19 17:01:23,300 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-19 17:01:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-19 17:01:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-19 17:01:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-19 17:01:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 17:01:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-19 17:01:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 17:01:23,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 17:01:23,586 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 17:01:23,693 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-19 17:01:23,693 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-19 17:01:23,717 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 17:01:23,815 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-19 17:01:23,815 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-19 17:01:23,817 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 17:01:23,872 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-19 17:01:23,872 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-19 17:01:23,879 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 17:01:23,933 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-19 17:01:23,934 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-19 17:01:24,022 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 17:01:24,038 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-19 17:01:24,038 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-19 17:01:24,062 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-19 17:01:24,178 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-19 17:01:24,178 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-19 17:01:24,636 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 17:01:24,636 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-19 17:01:24,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:01:24 BoogieIcfgContainer [2019-09-19 17:01:24,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 17:01:24,638 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 17:01:24,639 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 17:01:24,639 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 17:01:24,640 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 05:01:24" (1/1) ... [2019-09-19 17:01:24,640 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 [2019-09-19 17:01:24,668 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 17:01:24,669 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 17:01:24,687 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 17:01:24,696 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 17:01:24,698 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 17:01:24,895 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 58 for LOIs [2019-09-19 17:01:27,088 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 19 for LOIs [2019-09-19 17:01:27,271 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 21 for LOIs [2019-09-19 17:01:27,290 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_InternIoCtl with input of size 13 for LOIs [2019-09-19 17:01:27,463 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 7 for LOIs [2019-09-19 17:01:27,466 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_CreateClose with input of size 13 for LOIs [2019-09-19 17:01:27,511 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_DispatchPassThrough with input of size 10 for LOIs [2019-09-19 17:01:27,533 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 10 for LOIs [2019-09-19 17:01:27,549 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_Power with input of size 10 for LOIs [2019-09-19 17:01:27,561 INFO L199 IcfgInterpreter]: Interpreting procedure PoCallDriver with input of size 10 for LOIs [2019-09-19 17:01:27,601 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 3 for LOIs [2019-09-19 17:01:27,604 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 1 for LOIs [2019-09-19 17:01:27,606 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 17:01:27,606 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 17:01:27,608 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1506#true [2019-09-19 17:01:27,619 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 17:01:27,619 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 17:01:27,622 INFO L168 Benchmark]: Toolchain (without parser) took 4993.76 ms. Allocated memory was 133.2 MB in the beginning and 323.5 MB in the end (delta: 190.3 MB). Free memory was 88.4 MB in the beginning and 240.7 MB in the end (delta: -152.3 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. [2019-09-19 17:01:27,623 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 17:01:27,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.68 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.2 MB in the beginning and 169.0 MB in the end (delta: -80.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2019-09-19 17:01:27,625 INFO L168 Benchmark]: Boogie Preprocessor took 68.07 ms. Allocated memory is still 199.8 MB. Free memory was 169.0 MB in the beginning and 165.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-19 17:01:27,626 INFO L168 Benchmark]: RCFGBuilder took 1399.69 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 165.5 MB in the beginning and 157.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 93.9 MB. Max. memory is 7.1 GB. [2019-09-19 17:01:27,627 INFO L168 Benchmark]: Sifa took 2981.14 ms. Allocated memory was 224.9 MB in the beginning and 323.5 MB in the end (delta: 98.6 MB). Free memory was 157.4 MB in the beginning and 240.7 MB in the end (delta: -83.3 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-09-19 17:01:27,630 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 541.68 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.2 MB in the beginning and 169.0 MB in the end (delta: -80.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 68.07 ms. Allocated memory is still 199.8 MB. Free memory was 169.0 MB in the beginning and 165.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1399.69 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 165.5 MB in the beginning and 157.4 MB in the end (delta: 8.1 MB). Peak memory consumption was 93.9 MB. Max. memory is 7.1 GB. * Sifa took 2981.14 ms. Allocated memory was 224.9 MB in the beginning and 323.5 MB in the end (delta: 98.6 MB). Free memory was 157.4 MB in the beginning and 240.7 MB in the end (delta: -83.3 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 2940, ICFG_INTERPRETER_ENTERED_PROCEDURES: 13, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 479, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 390, TOOLS_POST_TIME[ms]: 101, TOOLS_POST_CALL_APPLICATIONS: 85, TOOLS_POST_CALL_TIME[ms]: 76, TOOLS_POST_RETURN_APPLICATIONS: 52, TOOLS_POST_RETURN_TIME[ms]: 45, TOOLS_QUANTIFIERELIM_APPLICATIONS: 527, TOOLS_QUANTIFIERELIM_TIME[ms]: 137, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 21, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 479, FLUID_YES_ANSWERS: 479, DOMAIN_JOIN_APPLICATIONS: 213, DOMAIN_JOIN_TIME[ms]: 1961, DOMAIN_ALPHA_APPLICATIONS: 479, DOMAIN_ALPHA_TIME[ms]: 428, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 165, DOMAIN_ISBOTTOM_TIME[ms]: 118, 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: 52, CALL_SUMMARIZER_CACHE_MISSES: 16, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1405, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1401, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 69, DAG_COMPRESSION_PROCESSED_NODES: 2771, DAG_COMPRESSION_RETAINED_NODES: 524 - 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 1506#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...