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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --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-fea9116 [2019-09-20 17:24:06,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:24:06,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:24:06,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:24:06,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:24:06,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:24:06,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:24:06,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:24:06,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:24:06,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:24:06,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:24:06,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:24:06,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:24:06,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:24:06,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:24:06,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:24:06,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:24:06,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:24:06,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:24:06,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:24:06,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:24:06,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:24:06,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:24:06,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:24:06,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:24:06,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:24:06,828 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:24:06,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:24:06,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:24:06,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:24:06,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:24:06,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:24:06,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:24:06,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:24:06,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:24:06,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:24:06,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:24:06,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:24:06,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:24:06,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:24:06,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:24:06,838 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 17:24:06,852 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:24:06,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:24:06,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:24:06,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:24:06,854 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:24:06,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:24:06,854 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:24:06,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:24:06,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:24:06,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:24:06,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:24:06,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:24:06,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:24:06,856 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:24:06,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:24:06,856 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:24:06,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:24:06,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:24:06,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:24:06,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:24:06,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:24:06,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:24:06,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:24:06,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:24:06,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:24:06,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:24:06,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:24:06,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:24:06,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 -> SIMPLIFY_DDA [2019-09-20 17:24:06,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:24:06,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:24:06,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:24:06,915 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:24:06,915 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:24:06,916 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-20 17:24:06,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f1e8be5/678d67b6af974171b277491911ae0479/FLAG9458b6acd [2019-09-20 17:24:07,496 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:24:07,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2019-09-20 17:24:07,523 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f1e8be5/678d67b6af974171b277491911ae0479/FLAG9458b6acd [2019-09-20 17:24:07,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f1e8be5/678d67b6af974171b277491911ae0479 [2019-09-20 17:24:07,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:24:07,810 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:24:07,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:24:07,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:24:07,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:24:07,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:24:07" (1/1) ... [2019-09-20 17:24:07,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d84dd2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:07, skipping insertion in model container [2019-09-20 17:24:07,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:24:07" (1/1) ... [2019-09-20 17:24:07,824 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:24:07,883 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:24:08,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:24:08,188 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:24:08,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:24:08,424 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:24:08,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:08 WrapperNode [2019-09-20 17:24:08,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:24:08,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:24:08,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:24:08,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:24:08,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:08" (1/1) ... [2019-09-20 17:24:08,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:08" (1/1) ... [2019-09-20 17:24:08,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:08" (1/1) ... [2019-09-20 17:24:08,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:08" (1/1) ... [2019-09-20 17:24:08,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:08" (1/1) ... [2019-09-20 17:24:08,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:08" (1/1) ... [2019-09-20 17:24:08,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:08" (1/1) ... [2019-09-20 17:24:08,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:24:08,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:24:08,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:24:08,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:24:08,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:24:08" (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 17:24:08,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:24:08,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:24:08,542 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2019-09-20 17:24:08,542 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2019-09-20 17:24:08,542 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2019-09-20 17:24:08,542 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:24:08,542 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2019-09-20 17:24:08,542 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2019-09-20 17:24:08,543 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2019-09-20 17:24:08,543 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2019-09-20 17:24:08,543 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2019-09-20 17:24:08,543 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2019-09-20 17:24:08,543 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2019-09-20 17:24:08,543 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2019-09-20 17:24:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2019-09-20 17:24:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2019-09-20 17:24:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2019-09-20 17:24:08,544 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2019-09-20 17:24:08,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:24:08,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-20 17:24:08,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 17:24:08,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-20 17:24:08,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 17:24:08,545 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2019-09-20 17:24:08,545 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2019-09-20 17:24:08,545 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2019-09-20 17:24:08,546 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2019-09-20 17:24:08,546 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2019-09-20 17:24:08,546 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2019-09-20 17:24:08,546 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2019-09-20 17:24:08,546 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2019-09-20 17:24:08,546 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2019-09-20 17:24:08,547 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2019-09-20 17:24:08,547 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2019-09-20 17:24:08,547 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2019-09-20 17:24:08,547 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2019-09-20 17:24:08,547 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2019-09-20 17:24:08,547 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:24:08,547 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2019-09-20 17:24:08,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:24:08,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:24:08,835 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 17:24:08,930 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2019-09-20 17:24:08,930 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2019-09-20 17:24:08,959 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 17:24:09,082 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2019-09-20 17:24:09,082 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2019-09-20 17:24:09,084 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 17:24:09,138 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 17:24:09,138 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 17:24:09,147 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 17:24:09,197 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2019-09-20 17:24:09,198 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2019-09-20 17:24:09,289 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 17:24:09,321 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2019-09-20 17:24:09,321 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2019-09-20 17:24:09,344 WARN L730 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-09-20 17:24:09,459 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2019-09-20 17:24:09,459 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2019-09-20 17:24:09,934 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:24:09,934 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 17:24:09,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:24:09 BoogieIcfgContainer [2019-09-20 17:24:09,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:24:09,936 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:24:09,937 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:24:09,937 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:24:09,938 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:24:09" (1/1) ... [2019-09-20 17:24:09,939 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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 [2019-09-20 17:24:09,964 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:24:09,964 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:24:09,974 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:24:09,984 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:24:09,985 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:24:10,288 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 17:24:10,562 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 48 [2019-09-20 17:24:10,580 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 86 for LOIs [2019-09-20 17:24:10,987 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2019-09-20 17:24:12,301 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2019-09-20 17:24:12,486 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2019-09-20 17:24:12,624 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 17:24:12,757 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 17:24:13,014 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-20 17:24:13,193 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 17:24:13,360 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 17:24:13,798 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-20 17:24:13,966 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 17:24:14,112 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 17:24:14,453 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 88 [2019-09-20 17:24:14,768 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2019-09-20 17:24:15,359 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 108 [2019-09-20 17:24:15,621 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 17:24:16,272 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 107 [2019-09-20 17:24:16,578 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2019-09-20 17:24:17,157 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 124 [2019-09-20 17:24:17,450 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 17:24:18,173 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 123 [2019-09-20 17:24:19,346 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2019-09-20 17:24:19,576 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 17:24:19,737 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:24:20,246 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 85 [2019-09-20 17:24:21,338 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 168 DAG size of output: 166 [2019-09-20 17:24:21,859 WARN L191 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-09-20 17:24:22,996 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 174 DAG size of output: 162 [2019-09-20 17:24:23,468 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-09-20 17:24:23,936 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-09-20 17:24:25,072 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 178 DAG size of output: 164 [2019-09-20 17:24:26,041 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2019-09-20 17:24:26,457 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 17:24:26,581 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:24:27,409 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2019-09-20 17:24:27,554 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 1 [2019-09-20 17:24:27,699 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 17:24:28,719 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2019-09-20 17:24:29,234 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-20 17:24:29,364 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:24:30,395 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2019-09-20 17:24:30,544 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 17:24:31,351 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 101 [2019-09-20 17:24:31,713 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-09-20 17:24:31,842 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 17:24:32,588 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2019-09-20 17:24:32,751 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 17:24:33,622 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2019-09-20 17:24:34,051 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 17:24:34,180 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:24:35,039 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 113 [2019-09-20 17:24:35,886 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 113 [2019-09-20 17:24:36,303 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-20 17:24:36,425 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:24:37,293 WARN L191 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 113 [2019-09-20 17:24:38,341 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2019-09-20 17:24:38,860 WARN L191 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 17:24:39,001 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:24:39,993 WARN L191 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 115 [2019-09-20 17:24:41,046 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2019-09-20 17:24:41,560 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-09-20 17:24:41,682 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:24:42,671 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 115 [2019-09-20 17:24:43,760 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 119 DAG size of output: 118 [2019-09-20 17:24:44,307 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 17:24:44,440 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:24:45,552 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-20 17:24:46,651 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 119 DAG size of output: 118 [2019-09-20 17:24:47,186 WARN L191 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-20 17:24:47,306 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:24:48,374 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2019-09-20 17:24:49,658 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 128 DAG size of output: 128 [2019-09-20 17:24:50,311 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 17:24:50,433 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 17:24:51,372 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 123