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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 11:34:43,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:34:43,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:34:43,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:34:43,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:34:43,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:34:43,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:34:43,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:34:43,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:34:43,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:34:43,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:34:43,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:34:43,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:34:43,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:34:43,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:34:43,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:34:43,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:34:43,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:34:43,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:34:43,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:34:43,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:34:43,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:34:43,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:34:43,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:34:43,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:34:43,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:34:43,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:34:43,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:34:43,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:34:43,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:34:43,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:34:43,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:34:43,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:34:43,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:34:43,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:34:43,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:34:43,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:34:43,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:34:43,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:34:43,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:34:43,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:34:43,923 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 [2019-09-18 11:34:43,937 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:34:43,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:34:43,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:34:43,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:34:43,939 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:34:43,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:34:43,939 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:34:43,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:34:43,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:34:43,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:34:43,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:34:43,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:34:43,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:34:43,940 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:34:43,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:34:43,941 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:34:43,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:34:43,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:34:43,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:34:43,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:34:43,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:34:43,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:34:43,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:34:43,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:34:43,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:34:43,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:34:43,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:34:43,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:34:43,943 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 -> SingleStatement 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 -> SIMPLIFY_DDA [2019-09-18 11:34:43,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:34:43,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:34:43,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:34:43,999 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:34:44,000 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:34:44,001 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-18 11:34:44,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51d59218b/fd9d65b98752487fbf0df35ba2005f0c/FLAG9dc28ab6b [2019-09-18 11:34:44,540 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:34:44,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-18 11:34:44,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51d59218b/fd9d65b98752487fbf0df35ba2005f0c/FLAG9dc28ab6b [2019-09-18 11:34:44,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51d59218b/fd9d65b98752487fbf0df35ba2005f0c [2019-09-18 11:34:44,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:34:44,891 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:34:44,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:34:44,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:34:44,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:34:44,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:34:44" (1/1) ... [2019-09-18 11:34:44,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7903b2ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:34:44, skipping insertion in model container [2019-09-18 11:34:44,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:34:44" (1/1) ... [2019-09-18 11:34:44,908 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:34:44,974 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:34:45,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:34:45,382 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:34:45,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:34:45,480 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:34:45,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:34:45 WrapperNode [2019-09-18 11:34:45,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:34:45,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:34:45,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:34:45,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:34:45,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:34:45" (1/1) ... [2019-09-18 11:34:45,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:34:45" (1/1) ... [2019-09-18 11:34:45,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:34:45" (1/1) ... [2019-09-18 11:34:45,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:34:45" (1/1) ... [2019-09-18 11:34:45,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:34:45" (1/1) ... [2019-09-18 11:34:45,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:34:45" (1/1) ... [2019-09-18 11:34:45,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:34:45" (1/1) ... [2019-09-18 11:34:45,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:34:45,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:34:45,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:34:45,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:34:45,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:34:45" (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 [2019-09-18 11:34:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:34:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:34:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-18 11:34:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-18 11:34:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-18 11:34:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:34:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-18 11:34:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-18 11:34:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-18 11:34:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-18 11:34:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-18 11:34:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-18 11:34:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-18 11:34:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-18 11:34:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-18 11:34:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-18 11:34:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-18 11:34:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-18 11:34:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:34:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-18 11:34:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 11:34:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-18 11:34:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-18 11:34:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-18 11:34:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-18 11:34:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-18 11:34:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-18 11:34:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-18 11:34:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-18 11:34:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-18 11:34:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-18 11:34:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-18 11:34:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-18 11:34:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-18 11:34:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-18 11:34:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-18 11:34:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-18 11:34:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:34:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-18 11:34:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:34:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:34:45,934 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 11:34:46,062 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-18 11:34:46,062 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-18 11:34:46,101 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 11:34:46,282 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-18 11:34:46,282 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-18 11:34:46,283 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 11:34:46,362 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-18 11:34:46,362 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-18 11:34:46,370 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 11:34:46,434 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-18 11:34:46,435 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-18 11:34:46,637 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 11:34:46,680 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-18 11:34:46,681 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-18 11:34:46,724 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-18 11:34:46,871 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-18 11:34:46,872 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-18 11:34:46,879 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:34:46,880 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-18 11:34:46,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:34:46 BoogieIcfgContainer [2019-09-18 11:34:46,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:34:46,883 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:34:46,883 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:34:46,883 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:34:46,884 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:34:46" (1/1) ... [2019-09-18 11:34:46,885 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=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 11:34:46,927 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 11:34:46,927 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:34:46,942 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 11:34:46,951 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 11:34:46,952 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 11:34:47,165 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 78 for LOIs [2019-09-18 11:34:48,612 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 11:34:49,050 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 11:34:49,913 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 11:34:50,369 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 11:34:51,224 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 11:34:51,627 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 11:34:52,507 WARN L191 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 11:34:52,942 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 11:34:53,802 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 11:34:54,225 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 11:34:55,123 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 11:34:55,536 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 11:34:56,398 WARN L191 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 11:34:56,810 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 11:34:57,667 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 11:34:58,096 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 11:34:58,947 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 11:34:59,362 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 11:35:00,223 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 11:35:00,620 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 11:35:01,492 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 11:35:01,893 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 11:35:02,753 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 11:35:03,151 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 11:35:04,006 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 11:35:04,404 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 11:35:05,260 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 11:35:05,670 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-18 11:35:06,390 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-18 11:35:06,677 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 11:35:07,329 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-18 11:35:07,621 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 11:35:08,460 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2019-09-18 11:35:09,332 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2019-09-18 11:35:09,632 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2019-09-18 11:35:10,074 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-18 11:35:10,197 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 11:35:10,597 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 85 [2019-09-18 11:35:10,718 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 11:35:11,436 WARN L191 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-18 11:35:11,559 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 11:35:12,290 WARN L191 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-18 11:35:12,410 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-09-18 11:35:12,551 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-18 11:35:13,262 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-18 11:35:13,496 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-18 11:35:13,866 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2019-09-18 11:35:14,069 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2019-09-18 11:35:14,334 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-18 11:35:14,571 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-18 11:35:15,202 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2019-09-18 11:35:15,404 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-18 11:35:15,552 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-09-18 11:35:15,697 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-09-18 11:35:15,844 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-09-18 11:35:16,068 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2019-09-18 11:35:16,458 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2019-09-18 11:35:16,608 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-09-18 11:35:16,777 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-18 11:35:16,965 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-18 11:35:17,157 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-09-18 11:35:17,380 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-18 11:35:17,548 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-18 11:35:17,717 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-09-18 11:35:17,878 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-18 11:35:18,162 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-18 11:35:18,270 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-18 11:35:18,539 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-18 11:35:18,798 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-18 11:35:18,904 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-18 11:35:19,171 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-18 11:35:19,527 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-18 11:35:19,628 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2019-09-18 11:35:19,900 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2019-09-18 11:35:20,097 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-18 11:35:20,328 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 54 [2019-09-18 11:35:20,430 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-18 11:35:20,639 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2019-09-18 11:35:20,895 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2019-09-18 11:35:21,098 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-18 11:35:22,722 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 153 DAG size of output: 141 [2019-09-18 11:35:23,487 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-18 11:35:25,059 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 153 DAG size of output: 141 [2019-09-18 11:35:25,816 WARN L191 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-09-18 11:35:26,227 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 43 [2019-09-18 11:35:26,588 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2019-09-18 11:35:27,018 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 43 [2019-09-18 11:35:27,395 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 46 [2019-09-18 11:35:27,706 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2019-09-18 11:35:28,093 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 46 [2019-09-18 11:35:28,436 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 48 [2019-09-18 11:35:28,544 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-09-18 11:35:28,657 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-09-18 11:35:28,763 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-09-18 11:35:29,120 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 51 [2019-09-18 11:35:29,508 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2019-09-18 11:35:29,625 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-18 11:35:31,461 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2019-09-18 11:35:31,669 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-18 11:35:32,105 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-18 11:35:32,314 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-18 11:35:32,751 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2019-09-18 11:35:32,951 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-18 11:35:33,617 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2019-09-18 11:35:33,914 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 11:35:34,657 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2019-09-18 11:35:36,843 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 153 DAG size of output: 144 [2019-09-18 11:35:38,891 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 153 DAG size of output: 144 [2019-09-18 11:35:40,421 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 155 DAG size of output: 140 [2019-09-18 11:35:41,137 WARN L191 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-18 11:35:43,236 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2019-09-18 11:35:44,807 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2019-09-18 11:35:45,572 WARN L191 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-18 11:35:45,991 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-18 11:35:48,035 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2019-09-18 11:35:48,290 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 9 [2019-09-18 11:35:48,443 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 9 [2019-09-18 11:35:50,259 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 153 DAG size of output: 138 [2019-09-18 11:35:50,958 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-18 11:35:52,398 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 153 DAG size of output: 138 [2019-09-18 11:35:53,099 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2019-09-18 11:35:55,159 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 148 DAG size of output: 145 [2019-09-18 11:35:57,191 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 148 DAG size of output: 145 [2019-09-18 11:35:57,875 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-09-18 11:35:58,093 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 11:35:58,094 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_PnP with input of size 74 for LOIs [2019-09-18 11:35:59,127 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 109 [2019-09-18 11:35:59,460 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-18 11:36:00,199 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 109 [2019-09-18 11:36:00,536 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-18 11:36:01,388 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 111 [2019-09-18 11:36:02,249 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 111 [2019-09-18 11:36:03,398 WARN L191 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 109 [2019-09-18 11:36:03,745 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-18 11:36:04,696 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 112 [2019-09-18 11:36:05,639 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 111 [2019-09-18 11:36:05,986 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-09-18 11:36:06,961 WARN L191 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 114 [2019-09-18 11:36:08,649 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 113 [2019-09-18 11:36:09,005 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-18 11:36:09,934 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 116 [2019-09-18 11:36:11,400 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 165 DAG size of output: 160 [2019-09-18 11:36:11,737 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-09-18 11:36:13,203 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 135 [2019-09-18 11:36:13,624 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 11:36:14,562 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 135 [2019-09-18 11:36:14,975 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 11:36:15,847 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 135 [2019-09-18 11:36:16,255 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-18 11:36:17,524 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 150 DAG size of output: 148 [2019-09-18 11:36:18,182 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-18 11:36:19,671 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2019-09-18 11:36:19,677 INFO L199 IcfgInterpreter]: Interpreting procedure KeWaitForSingleObject with input of size 68 for LOIs [2019-09-18 11:36:20,118 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2019-09-18 11:36:20,324 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-18 11:36:20,328 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_InternIoCtl with input of size 70 for LOIs [2019-09-18 11:36:21,697 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 156 DAG size of output: 150 [2019-09-18 11:36:22,313 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-09-18 11:36:23,630 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 156 DAG size of output: 150 [2019-09-18 11:36:24,253 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-09-18 11:36:25,865 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 160 DAG size of output: 157 [2019-09-18 11:36:27,501 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 160 DAG size of output: 157 [2019-09-18 11:36:28,341 WARN L191 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 154 [2019-09-18 11:36:29,959 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 159 DAG size of output: 149 [2019-09-18 11:36:30,323 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-18 11:36:31,923 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 159 DAG size of output: 149 [2019-09-18 11:36:32,289 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-18 11:36:33,922 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 153 DAG size of output: 149 [2019-09-18 11:36:34,311 WARN L191 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-18 11:36:34,442 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 3 [2019-09-18 11:36:36,094 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 153 DAG size of output: 149 [2019-09-18 11:36:36,489 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-18 11:36:36,911 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-09-18 11:36:37,059 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 3 [2019-09-18 11:36:37,201 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 3 [2019-09-18 11:36:37,344 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 3 [2019-09-18 11:36:37,477 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 3 [2019-09-18 11:36:37,619 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 3 [2019-09-18 11:36:37,750 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 3 [2019-09-18 11:36:37,862 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 3 [2019-09-18 11:36:37,972 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 3 [2019-09-18 11:36:38,089 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 3 [2019-09-18 11:36:38,201 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 3 [2019-09-18 11:36:38,313 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 3 [2019-09-18 11:36:38,429 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 3 [2019-09-18 11:36:38,553 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 3 [2019-09-18 11:36:38,666 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 3 [2019-09-18 11:36:38,784 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 3 [2019-09-18 11:36:38,904 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 3 [2019-09-18 11:36:39,054 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 10 [2019-09-18 11:36:39,075 INFO L199 IcfgInterpreter]: Interpreting procedure IofCompleteRequest with input of size 7 for LOIs [2019-09-18 11:36:39,077 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_CreateClose with input of size 70 for LOIs [2019-09-18 11:36:39,562 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2019-09-18 11:36:39,788 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-18 11:36:40,069 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-18 11:36:40,351 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-18 11:36:41,254 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2019-09-18 11:36:41,539 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-18 11:36:41,623 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_DispatchPassThrough with input of size 10 for LOIs [2019-09-18 11:36:41,716 INFO L199 IcfgInterpreter]: Interpreting procedure IofCallDriver with input of size 10 for LOIs [2019-09-18 11:36:42,183 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2019-09-18 11:36:42,464 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-18 11:36:42,475 INFO L199 IcfgInterpreter]: Interpreting procedure KbFilter_Power with input of size 68 for LOIs [2019-09-18 11:36:43,185 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2019-09-18 11:36:43,515 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 11:36:44,124 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2019-09-18 11:36:44,395 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 11:36:44,978 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2019-09-18 11:36:45,223 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 11:36:45,810 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2019-09-18 11:36:46,069 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 11:36:46,637 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2019-09-18 11:36:46,886 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 11:36:47,248 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 11:36:47,569 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-18 11:36:48,551 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 98 [2019-09-18 11:36:48,791 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 11:36:49,160 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-18 11:36:49,164 INFO L199 IcfgInterpreter]: Interpreting procedure PoCallDriver with input of size 10 for LOIs [2019-09-18 11:36:49,667 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2019-09-18 11:36:49,879 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-18 11:36:49,889 INFO L199 IcfgInterpreter]: Interpreting procedure stubMoreProcessingRequired with input of size 11 for LOIs [2019-09-18 11:36:49,891 INFO L199 IcfgInterpreter]: Interpreting procedure errorFn with input of size 1 for LOIs [2019-09-18 11:36:49,892 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 11:36:49,892 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 11:36:49,894 INFO L193 IcfgInterpreter]: Reachable states at location errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2583#true [2019-09-18 11:36:49,909 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 11:36:49,909 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 11:36:49,910 INFO L168 Benchmark]: Toolchain (without parser) took 125019.17 ms. Allocated memory was 138.9 MB in the beginning and 290.5 MB in the end (delta: 151.5 MB). Free memory was 84.1 MB in the beginning and 174.2 MB in the end (delta: -90.1 MB). Peak memory consumption was 61.4 MB. Max. memory is 7.1 GB. [2019-09-18 11:36:49,910 INFO L168 Benchmark]: CDTParser took 1.18 ms. Allocated memory is still 138.9 MB. Free memory is still 103.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 11:36:49,911 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.05 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 84.1 MB in the beginning and 172.2 MB in the end (delta: -88.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-18 11:36:49,912 INFO L168 Benchmark]: Boogie Preprocessor took 99.15 ms. Allocated memory is still 200.8 MB. Free memory was 172.2 MB in the beginning and 169.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-18 11:36:49,912 INFO L168 Benchmark]: RCFGBuilder took 1300.84 ms. Allocated memory was 200.8 MB in the beginning and 223.9 MB in the end (delta: 23.1 MB). Free memory was 169.2 MB in the beginning and 188.3 MB in the end (delta: -19.1 MB). Peak memory consumption was 98.6 MB. Max. memory is 7.1 GB. [2019-09-18 11:36:49,913 INFO L168 Benchmark]: Sifa took 123026.41 ms. Allocated memory was 223.9 MB in the beginning and 290.5 MB in the end (delta: 66.6 MB). Free memory was 188.3 MB in the beginning and 174.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. [2019-09-18 11:36:49,915 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18 ms. Allocated memory is still 138.9 MB. Free memory is still 103.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 587.05 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 84.1 MB in the beginning and 172.2 MB in the end (delta: -88.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.15 ms. Allocated memory is still 200.8 MB. Free memory was 172.2 MB in the beginning and 169.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1300.84 ms. Allocated memory was 200.8 MB in the beginning and 223.9 MB in the end (delta: 23.1 MB). Free memory was 169.2 MB in the beginning and 188.3 MB in the end (delta: -19.1 MB). Peak memory consumption was 98.6 MB. Max. memory is 7.1 GB. * Sifa took 123026.41 ms. Allocated memory was 223.9 MB in the beginning and 290.5 MB in the end (delta: 66.6 MB). Free memory was 188.3 MB in the beginning and 174.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 80.7 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]: 122967, ICFG_INTERPRETER_ENTERED_PROCEDURES: 13, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1800, DAG_INTERPRETER_EARLY_EXITS: 41, TOOLS_POST_APPLICATIONS: 1686, TOOLS_POST_TIME[ms]: 467, TOOLS_POST_CALL_APPLICATIONS: 95, TOOLS_POST_CALL_TIME[ms]: 269, TOOLS_POST_RETURN_APPLICATIONS: 66, TOOLS_POST_RETURN_TIME[ms]: 100, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1813, TOOLS_QUANTIFIERELIM_TIME[ms]: 529, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 34, FLUID_QUERIES: 1800, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 301, DOMAIN_JOIN_TIME[ms]: 120817, 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: 328, DOMAIN_ISBOTTOM_TIME[ms]: 890, 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: 66, CALL_SUMMARIZER_CACHE_MISSES: 16, CALL_SUMMARIZER_OVERALL_TIME[ms]: 25107, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 25106, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 35, REGEX_TO_DAG_TIME[ms]: 16, DAG_COMPRESSION_TIME[ms]: 169, DAG_COMPRESSION_PROCESSED_NODES: 13262, DAG_COMPRESSION_RETAINED_NODES: 2598 - 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 2583#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...