java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_oct_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/verisec_NetBSD-libc__loop.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c30ebe1 [2018-12-17 14:56:10,844 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-17 14:56:10,847 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-17 14:56:10,863 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-17 14:56:10,863 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-17 14:56:10,864 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-17 14:56:10,866 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-17 14:56:10,869 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-17 14:56:10,871 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-17 14:56:10,872 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-17 14:56:10,880 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-17 14:56:10,881 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-17 14:56:10,883 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-17 14:56:10,885 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-17 14:56:10,886 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-17 14:56:10,888 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-17 14:56:10,890 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-17 14:56:10,893 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-17 14:56:10,895 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-17 14:56:10,899 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-17 14:56:10,900 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-17 14:56:10,902 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-17 14:56:10,904 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-17 14:56:10,905 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-17 14:56:10,908 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-17 14:56:10,909 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-17 14:56:10,910 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-17 14:56:10,914 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-17 14:56:10,915 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-17 14:56:10,916 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-17 14:56:10,916 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-17 14:56:10,918 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-17 14:56:10,919 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-17 14:56:10,919 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-17 14:56:10,920 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-17 14:56:10,922 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-17 14:56:10,923 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_oct_cong.epf [2018-12-17 14:56:10,947 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-17 14:56:10,948 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-17 14:56:10,948 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-17 14:56:10,952 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-17 14:56:10,952 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-17 14:56:10,952 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-17 14:56:10,952 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-17 14:56:10,952 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-17 14:56:10,953 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-17 14:56:10,953 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-17 14:56:10,953 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-17 14:56:10,955 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-17 14:56:10,955 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-17 14:56:10,955 INFO L133 SettingsManager]: * Use SBE=true [2018-12-17 14:56:10,955 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-17 14:56:10,956 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-17 14:56:10,956 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-17 14:56:10,956 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-17 14:56:10,956 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-17 14:56:10,956 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-17 14:56:10,956 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-17 14:56:10,957 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-17 14:56:10,959 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-17 14:56:10,959 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-17 14:56:10,959 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-17 14:56:10,959 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-17 14:56:10,959 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-17 14:56:10,960 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-17 14:56:10,960 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-17 14:56:10,960 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-17 14:56:10,960 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-17 14:56:10,960 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-17 14:56:10,961 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-17 14:56:10,961 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-17 14:56:10,961 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-17 14:56:10,961 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-17 14:56:10,961 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-17 14:56:11,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-17 14:56:11,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-17 14:56:11,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-17 14:56:11,019 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-17 14:56:11,019 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-17 14:56:11,020 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/verisec_NetBSD-libc__loop.i_2.bpl [2018-12-17 14:56:11,021 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/verisec_NetBSD-libc__loop.i_2.bpl' [2018-12-17 14:56:11,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-17 14:56:11,077 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-17 14:56:11,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-17 14:56:11,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-17 14:56:11,078 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-17 14:56:11,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:56:11" (1/1) ... [2018-12-17 14:56:11,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:56:11" (1/1) ... [2018-12-17 14:56:11,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-17 14:56:11,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-17 14:56:11,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-17 14:56:11,124 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-17 14:56:11,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:56:11" (1/1) ... [2018-12-17 14:56:11,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:56:11" (1/1) ... [2018-12-17 14:56:11,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:56:11" (1/1) ... [2018-12-17 14:56:11,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:56:11" (1/1) ... [2018-12-17 14:56:11,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:56:11" (1/1) ... [2018-12-17 14:56:11,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:56:11" (1/1) ... [2018-12-17 14:56:11,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:56:11" (1/1) ... [2018-12-17 14:56:11,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-17 14:56:11,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-17 14:56:11,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-17 14:56:11,153 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-17 14:56:11,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 02:56:11" (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 [2018-12-17 14:56:11,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-17 14:56:11,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-17 14:56:11,701 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-17 14:56:11,702 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-17 14:56:11,702 INFO L202 PluginConnector]: Adding new model verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:56:11 BoogieIcfgContainer [2018-12-17 14:56:11,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-17 14:56:11,703 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-17 14:56:11,704 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-17 14:56:11,706 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-17 14:56:11,707 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "verisec_NetBSD-libc__loop.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:56:11" (1/1) ... [2018-12-17 14:56:11,758 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2)