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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique NONE -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:05:36,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:05:36,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:05:36,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:05:36,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:05:36,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:05:36,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:05:36,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:05:36,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:05:36,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:05:36,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:05:36,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:05:36,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:05:36,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:05:36,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:05:36,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:05:36,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:05:36,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:05:36,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:05:36,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:05:36,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:05:36,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:05:36,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:05:36,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:05:36,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 15:05:36,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 15:05:36,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 15:05:36,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 15:05:36,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 15:05:36,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 15:05:36,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 15:05:36,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 15:05:36,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 15:05:36,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 15:05:36,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 15:05:36,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 15:05:36,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 15:05:36,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 15:05:36,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:05:36,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:05:36,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:05:36,865 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 15:05:36,880 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:05:36,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:05:36,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:05:36,881 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:05:36,881 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:05:36,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:05:36,882 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:05:36,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:05:36,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:05:36,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:05:36,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:05:36,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:05:36,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:05:36,883 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:05:36,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:05:36,884 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:05:36,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:05:36,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:05:36,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:05:36,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:05:36,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:05:36,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:05:36,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:05:36,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:05:36,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:05:36,886 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:05:36,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:05:36,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:05:36,886 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> NONE [2019-09-20 15:05:36,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:05:36,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:05:36,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:05:36,937 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:05:36,937 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:05:36,938 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-20 15:05:37,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f56d1876/9fef1d3473694a96945502aa941c0999/FLAG65b89c783 [2019-09-20 15:05:37,546 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:05:37,547 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-20 15:05:37,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f56d1876/9fef1d3473694a96945502aa941c0999/FLAG65b89c783 [2019-09-20 15:05:37,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f56d1876/9fef1d3473694a96945502aa941c0999 [2019-09-20 15:05:37,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:05:37,880 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:05:37,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:05:37,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:05:37,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:05:37,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:05:37" (1/1) ... [2019-09-20 15:05:37,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458d6857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:37, skipping insertion in model container [2019-09-20 15:05:37,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:05:37" (1/1) ... [2019-09-20 15:05:37,895 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:05:37,946 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:05:38,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:05:38,373 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:05:38,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:05:38,505 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:05:38,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:38 WrapperNode [2019-09-20 15:05:38,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:05:38,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:05:38,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:05:38,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:05:38,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:38" (1/1) ... [2019-09-20 15:05:38,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:38" (1/1) ... [2019-09-20 15:05:38,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:38" (1/1) ... [2019-09-20 15:05:38,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:38" (1/1) ... [2019-09-20 15:05:38,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:38" (1/1) ... [2019-09-20 15:05:38,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:38" (1/1) ... [2019-09-20 15:05:38,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:38" (1/1) ... [2019-09-20 15:05:38,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:05:38,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:05:38,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:05:38,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:05:38,589 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:05:38" (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 15:05:38,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:05:38,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:05:38,643 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 15:05:38,644 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 15:05:38,644 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 15:05:38,644 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:05:38,644 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 15:05:38,644 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 15:05:38,645 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 15:05:38,645 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 15:05:38,646 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 15:05:38,646 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 15:05:38,647 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-20 15:05:38,647 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-20 15:05:38,647 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-20 15:05:38,647 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-20 15:05:38,650 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-20 15:05:38,650 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 15:05:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:05:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 15:05:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:05:38,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 15:05:38,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 15:05:38,651 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 15:05:38,651 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 15:05:38,651 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 15:05:38,651 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 15:05:38,651 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 15:05:38,651 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-20 15:05:38,652 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-20 15:05:38,652 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-20 15:05:38,652 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-20 15:05:38,652 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-20 15:05:38,652 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 15:05:38,653 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 15:05:38,653 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 15:05:38,653 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 15:05:38,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:05:38,653 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 15:05:38,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:05:38,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:05:38,968 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:05:39,062 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 15:05:39,063 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 15:05:39,083 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:05:39,219 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-20 15:05:39,220 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-20 15:05:39,222 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:05:39,282 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 15:05:39,283 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 15:05:39,296 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:05:39,348 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 15:05:39,348 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 15:05:39,439 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:05:39,457 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 15:05:39,457 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 15:05:39,490 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 15:05:39,613 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 15:05:39,613 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 15:05:40,071 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:05:40,072 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 15:05:40,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:05:40 BoogieIcfgContainer [2019-09-20 15:05:40,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:05:40,075 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:05:40,075 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:05:40,075 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:05:40,076 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:05:40" (1/1) ... [2019-09-20 15:05:40,077 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:05:40,110 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:05:40,113 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:05:40,135 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:05:40,146 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:05:40,147 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:05:40,234 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-20 15:05:41,026 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 72 for LOIs [2019-09-20 15:05:41,122 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 66 for LOIs [2019-09-20 15:05:41,128 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_InternIoCtl with input of size 68 for LOIs [2019-09-20 15:05:41,226 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 69 for LOIs [2019-09-20 15:05:41,228 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_CreateClose with input of size 68 for LOIs [2019-09-20 15:05:41,242 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_DispatchPassThrough with input of size 50 for LOIs [2019-09-20 15:05:41,254 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 1 for LOIs [2019-09-20 15:05:41,267 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_Power with input of size 66 for LOIs [2019-09-20 15:05:41,279 INFO L199 IcfgInterpreter]: Interpreting procedure PoCallDriver with input of size 66 for LOIs [2019-09-20 15:05:41,289 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 11 for LOIs [2019-09-20 15:05:41,290 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 1 for LOIs [2019-09-20 15:05:41,290 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:05:41,290 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:05:41,292 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 876#true [2019-09-20 15:05:41,304 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:05:41,304 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:05:41,307 INFO L168 Benchmark]: Toolchain (without parser) took 3426.28 ms. Allocated memory was 133.7 MB in the beginning and 261.6 MB in the end (delta: 127.9 MB). Free memory was 88.8 MB in the beginning and 148.0 MB in the end (delta: -59.2 MB). Peak memory consumption was 68.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:05:41,308 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 133.7 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 15:05:41,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.17 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.6 MB in the beginning and 168.8 MB in the end (delta: -80.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-09-20 15:05:41,310 INFO L168 Benchmark]: Boogie Preprocessor took 78.80 ms. Allocated memory is still 200.3 MB. Free memory was 168.8 MB in the beginning and 165.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:05:41,311 INFO L168 Benchmark]: RCFGBuilder took 1486.75 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 165.6 MB in the beginning and 154.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. [2019-09-20 15:05:41,312 INFO L168 Benchmark]: Sifa took 1229.98 ms. Allocated memory was 226.0 MB in the beginning and 261.6 MB in the end (delta: 35.7 MB). Free memory was 154.5 MB in the beginning and 148.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. [2019-09-20 15:05:41,316 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 133.7 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 625.17 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 88.6 MB in the beginning and 168.8 MB in the end (delta: -80.2 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.80 ms. Allocated memory is still 200.3 MB. Free memory was 168.8 MB in the beginning and 165.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1486.75 ms. Allocated memory was 200.3 MB in the beginning and 226.0 MB in the end (delta: 25.7 MB). Free memory was 165.6 MB in the beginning and 154.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 93.0 MB. Max. memory is 7.1 GB. * Sifa took 1229.98 ms. Allocated memory was 226.0 MB in the beginning and 261.6 MB in the end (delta: 35.7 MB). Free memory was 154.5 MB in the beginning and 148.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 42.1 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]: 1183, ICFG_INTERPRETER_ENTERED_PROCEDURES: 13, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 426, DAG_INTERPRETER_EARLY_EXITS: 25, TOOLS_POST_APPLICATIONS: 351, TOOLS_POST_TIME[ms]: 226, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 273, TOOLS_POST_RETURN_APPLICATIONS: 45, TOOLS_POST_RETURN_TIME[ms]: 64, TOOLS_QUANTIFIERELIM_APPLICATIONS: 452, TOOLS_QUANTIFIERELIM_TIME[ms]: 409, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 34, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 426, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 130, DOMAIN_JOIN_TIME[ms]: 45, 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: 149, DOMAIN_ISBOTTOM_TIME[ms]: 323, 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: 45, CALL_SUMMARIZER_CACHE_MISSES: 16, CALL_SUMMARIZER_OVERALL_TIME[ms]: 440, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 440, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 10, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 88, 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 876#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...