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/linear_search.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fa1c628-m [2019-01-31 15:28:19,150 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-31 15:28:19,153 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-31 15:28:19,172 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-31 15:28:19,172 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-31 15:28:19,173 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-31 15:28:19,175 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-31 15:28:19,178 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-31 15:28:19,180 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-31 15:28:19,181 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-31 15:28:19,190 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-31 15:28:19,190 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-31 15:28:19,191 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-31 15:28:19,194 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-31 15:28:19,196 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-31 15:28:19,197 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-31 15:28:19,198 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-31 15:28:19,199 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-31 15:28:19,201 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-31 15:28:19,202 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-31 15:28:19,203 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-31 15:28:19,204 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-31 15:28:19,206 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-01-31 15:28:19,214 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 [2019-01-31 15:28:19,227 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-31 15:28:19,227 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-31 15:28:19,228 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-31 15:28:19,228 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-31 15:28:19,229 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-31 15:28:19,229 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-31 15:28:19,229 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-31 15:28:19,229 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-31 15:28:19,229 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-31 15:28:19,230 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-31 15:28:19,230 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-31 15:28:19,230 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-31 15:28:19,231 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-31 15:28:19,231 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-31 15:28:19,231 INFO L133 SettingsManager]: * Use SBE=true [2019-01-31 15:28:19,231 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-31 15:28:19,232 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-31 15:28:19,232 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-31 15:28:19,232 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-31 15:28:19,232 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-31 15:28:19,232 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-31 15:28:19,232 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-31 15:28:19,233 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-31 15:28:19,233 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-31 15:28:19,233 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-31 15:28:19,233 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-31 15:28:19,234 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-31 15:28:19,234 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-31 15:28:19,234 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-31 15:28:19,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 15:28:19,234 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-31 15:28:19,235 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-31 15:28:19,235 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-31 15:28:19,235 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-31 15:28:19,235 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-31 15:28:19,235 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in [2019-01-31 15:28:19,235 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-31 15:28:19,236 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-31 15:28:19,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-31 15:28:19,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-31 15:28:19,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-31 15:28:19,285 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-31 15:28:19,286 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-31 15:28:19,287 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl [2019-01-31 15:28:19,288 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl' [2019-01-31 15:28:19,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-31 15:28:19,344 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-31 15:28:19,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-31 15:28:19,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-31 15:28:19,345 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-31 15:28:19,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:19" (1/1) ... [2019-01-31 15:28:19,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:19" (1/1) ... [2019-01-31 15:28:19,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-31 15:28:19,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-31 15:28:19,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-31 15:28:19,383 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-31 15:28:19,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:19" (1/1) ... [2019-01-31 15:28:19,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:19" (1/1) ... [2019-01-31 15:28:19,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:19" (1/1) ... [2019-01-31 15:28:19,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:19" (1/1) ... [2019-01-31 15:28:19,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:19" (1/1) ... [2019-01-31 15:28:19,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:19" (1/1) ... [2019-01-31 15:28:19,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:19" (1/1) ... [2019-01-31 15:28:19,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-31 15:28:19,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-31 15:28:19,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-31 15:28:19,408 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-31 15:28:19,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:28:19" (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:8092 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 15:28:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-31 15:28:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-31 15:28:19,973 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-31 15:28:19,974 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-31 15:28:19,975 INFO L202 PluginConnector]: Adding new model linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 03:28:19 BoogieIcfgContainer [2019-01-31 15:28:19,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-31 15:28:19,976 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-31 15:28:19,976 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-31 15:28:19,976 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-31 15:28:19,977 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 03:28:19" (1/1) ... [2019-01-31 15:28:20,025 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-31 15:28:20,276 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.