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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-ext3-properties/dll_circular_traversal-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 18:30:07,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 18:30:07,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 18:30:07,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 18:30:07,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 18:30:07,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 18:30:07,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 18:30:07,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 18:30:07,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 18:30:07,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 18:30:07,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 18:30:07,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 18:30:07,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 18:30:07,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 18:30:07,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 18:30:07,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 18:30:07,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 18:30:07,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 18:30:07,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 18:30:07,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 18:30:07,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 18:30:07,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 18:30:07,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 18:30:07,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 18:30:07,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 18:30:07,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 18:30:07,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 18:30:07,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 18:30:07,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 18:30:07,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 18:30:07,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 18:30:07,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 18:30:07,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 18:30:07,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 18:30:07,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 18:30:07,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 18:30:07,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 18:30:07,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 18:30:07,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 18:30:07,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 18:30:07,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 18:30:07,088 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 18:30:07,102 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 18:30:07,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 18:30:07,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 18:30:07,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 18:30:07,104 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 18:30:07,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 18:30:07,104 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 18:30:07,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 18:30:07,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 18:30:07,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 18:30:07,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 18:30:07,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 18:30:07,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 18:30:07,106 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 18:30:07,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 18:30:07,106 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 18:30:07,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 18:30:07,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 18:30:07,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 18:30:07,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 18:30:07,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 18:30:07,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 18:30:07,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 18:30:07,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 18:30:07,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 18:30:07,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 18:30:07,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 18:30:07,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 18:30:07,109 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 -> SequenceOfStatements 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 18:30:07,143 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 18:30:07,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 18:30:07,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 18:30:07,164 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 18:30:07,165 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 18:30:07,165 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/dll_circular_traversal-2.i [2019-09-20 18:30:07,231 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdf67e1f9/17f31967c3104a3ea3daf38405244b77/FLAG94c39e7b4 [2019-09-20 18:30:07,771 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 18:30:07,771 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/dll_circular_traversal-2.i [2019-09-20 18:30:07,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdf67e1f9/17f31967c3104a3ea3daf38405244b77/FLAG94c39e7b4 [2019-09-20 18:30:08,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdf67e1f9/17f31967c3104a3ea3daf38405244b77 [2019-09-20 18:30:08,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 18:30:08,018 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 18:30:08,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 18:30:08,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 18:30:08,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 18:30:08,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:30:08" (1/1) ... [2019-09-20 18:30:08,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57945cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:30:08, skipping insertion in model container [2019-09-20 18:30:08,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 06:30:08" (1/1) ... [2019-09-20 18:30:08,032 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 18:30:08,073 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 18:30:08,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:30:08,547 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 18:30:08,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 18:30:08,647 INFO L192 MainTranslator]: Completed translation [2019-09-20 18:30:08,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:30:08 WrapperNode [2019-09-20 18:30:08,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 18:30:08,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 18:30:08,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 18:30:08,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 18:30:08,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:30:08" (1/1) ... [2019-09-20 18:30:08,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:30:08" (1/1) ... [2019-09-20 18:30:08,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:30:08" (1/1) ... [2019-09-20 18:30:08,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:30:08" (1/1) ... [2019-09-20 18:30:08,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:30:08" (1/1) ... [2019-09-20 18:30:08,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:30:08" (1/1) ... [2019-09-20 18:30:08,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:30:08" (1/1) ... [2019-09-20 18:30:08,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 18:30:08,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 18:30:08,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 18:30:08,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 18:30:08,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 06:30:08" (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 18:30:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 18:30:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 18:30:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 18:30:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 18:30:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 18:30:08,770 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-09-20 18:30:08,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 18:30:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 18:30:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 18:30:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 18:30:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 18:30:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 18:30:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 18:30:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 18:30:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 18:30:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 18:30:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 18:30:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 18:30:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 18:30:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 18:30:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 18:30:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 18:30:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 18:30:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 18:30:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 18:30:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 18:30:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 18:30:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 18:30:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 18:30:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 18:30:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 18:30:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 18:30:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 18:30:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 18:30:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 18:30:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 18:30:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 18:30:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 18:30:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 18:30:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 18:30:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 18:30:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 18:30:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 18:30:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 18:30:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 18:30:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 18:30:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 18:30:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 18:30:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 18:30:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 18:30:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 18:30:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 18:30:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 18:30:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 18:30:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 18:30:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 18:30:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 18:30:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 18:30:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 18:30:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 18:30:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 18:30:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 18:30:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 18:30:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 18:30:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 18:30:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 18:30:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 18:30:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 18:30:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 18:30:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 18:30:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 18:30:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 18:30:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 18:30:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 18:30:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 18:30:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 18:30:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 18:30:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 18:30:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 18:30:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 18:30:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 18:30:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 18:30:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 18:30:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 18:30:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 18:30:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 18:30:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 18:30:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 18:30:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 18:30:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 18:30:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 18:30:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 18:30:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 18:30:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 18:30:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 18:30:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 18:30:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 18:30:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 18:30:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 18:30:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 18:30:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 18:30:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 18:30:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 18:30:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 18:30:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 18:30:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 18:30:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 18:30:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 18:30:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 18:30:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 18:30:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 18:30:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 18:30:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 18:30:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 18:30:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-09-20 18:30:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 18:30:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 18:30:08,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 18:30:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 18:30:08,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 18:30:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 18:30:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 18:30:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 18:30:08,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 18:30:09,274 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 18:30:09,399 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 18:30:09,400 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 18:30:09,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:30:09 BoogieIcfgContainer [2019-09-20 18:30:09,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 18:30:09,402 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 18:30:09,402 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 18:30:09,402 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 18:30:09,403 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 06:30:09" (1/1) ... [2019-09-20 18:30:09,405 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 [2019-09-20 18:30:09,440 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 18:30:09,441 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 18:30:09,454 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 18:30:09,470 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 18:30:09,472 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 18:30:09,617 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 18:30:09,746 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 18:30:09,835 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:30:10,024 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-20 18:30:10,651 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-20 18:30:10,693 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:30:10,887 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-20 18:30:11,461 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2019-09-20 18:30:11,612 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 68 [2019-09-20 18:30:12,020 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 18:30:12,293 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 18:30:12,570 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 18:30:12,781 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 18:30:12,927 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 18:30:13,330 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2019-09-20 18:30:13,628 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-20 18:30:13,870 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-20 18:30:13,988 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 18:30:14,232 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 89 [2019-09-20 18:30:14,340 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-09-20 18:30:14,606 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 18:30:14,893 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 18:30:18,730 WARN L191 SmtUtils]: Spent 3.78 s on a formula simplification that was a NOOP. DAG size: 190 [2019-09-20 18:30:21,664 WARN L191 SmtUtils]: Spent 2.91 s on a formula simplification that was a NOOP. DAG size: 184 [2019-09-20 18:30:24,136 WARN L191 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 181 [2019-09-20 18:30:26,343 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 178 [2019-09-20 18:30:29,759 WARN L191 SmtUtils]: Spent 3.38 s on a formula simplification that was a NOOP. DAG size: 175 [2019-09-20 18:30:32,673 WARN L191 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 171 [2019-09-20 18:30:34,564 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 164 [2019-09-20 18:30:35,721 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 152 [2019-09-20 18:30:36,510 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-09-20 18:30:36,979 WARN L191 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-20 18:30:38,284 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 144 DAG size of output: 133 [2019-09-20 18:30:39,092 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 122 [2019-09-20 18:30:39,819 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 145 [2019-09-20 18:30:40,219 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2019-09-20 18:30:41,036 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 141 [2019-09-20 18:30:41,899 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 138 [2019-09-20 18:30:42,684 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 139 [2019-09-20 18:30:43,056 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 18:30:43,825 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 139 [2019-09-20 18:30:44,195 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 18:30:45,104 WARN L191 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 128 [2019-09-20 18:30:45,569 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:30:45,842 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-20 18:30:46,208 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-09-20 18:30:46,312 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 18:30:46,522 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2019-09-20 18:30:46,626 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 18:30:47,113 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 18:30:47,258 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2019-09-20 18:30:47,670 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-20 18:30:47,947 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 88 [2019-09-20 18:30:49,621 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 136 [2019-09-20 18:30:50,644 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 123 [2019-09-20 18:30:51,152 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 50 [2019-09-20 18:30:51,840 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 127 [2019-09-20 18:30:52,212 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-20 18:30:52,942 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2019-09-20 18:30:53,013 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6