java -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-c78c21b [2018-12-03 20:20:46,600 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 20:20:46,602 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 20:20:46,614 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 20:20:46,614 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 20:20:46,615 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 20:20:46,617 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 20:20:46,618 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 20:20:46,620 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 20:20:46,621 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 20:20:46,622 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 20:20:46,622 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 20:20:46,623 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 20:20:46,624 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 20:20:46,625 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 20:20:46,626 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 20:20:46,627 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 20:20:46,629 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 20:20:46,631 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 20:20:46,633 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 20:20:46,634 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 20:20:46,636 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 20:20:46,638 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-12-03 20:20:46,648 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 [2018-12-03 20:20:46,665 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 20:20:46,665 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 20:20:46,666 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-03 20:20:46,666 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-03 20:20:46,670 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 20:20:46,671 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 20:20:46,671 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 20:20:46,671 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 20:20:46,671 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 20:20:46,671 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-03 20:20:46,672 INFO L133 SettingsManager]: * Log string format=TERM [2018-12-03 20:20:46,672 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 20:20:46,672 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 20:20:46,673 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 20:20:46,673 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 20:20:46,674 INFO L133 SettingsManager]: * Use SBE=true [2018-12-03 20:20:46,675 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 20:20:46,675 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 20:20:46,675 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 20:20:46,675 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 20:20:46,676 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 20:20:46,676 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 20:20:46,676 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 20:20:46,676 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 20:20:46,676 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 20:20:46,676 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 20:20:46,679 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 20:20:46,680 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 20:20:46,680 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 20:20:46,680 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 20:20:46,680 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 20:20:46,680 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 20:20:46,681 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 20:20:46,681 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 20:20:46,681 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 20:20:46,681 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 20:20:46,681 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 20:20:46,681 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 20:20:46,683 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-03 20:20:46,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 20:20:46,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 20:20:46,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 20:20:46,749 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-03 20:20:46,749 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-03 20:20:46,750 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl [2018-12-03 20:20:46,750 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl' [2018-12-03 20:20:46,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 20:20:46,812 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-03 20:20:46,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 20:20:46,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 20:20:46,813 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 20:20:46,833 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 03.12 08:20:46" (1/1) ... [2018-12-03 20:20:46,846 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 03.12 08:20:46" (1/1) ... [2018-12-03 20:20:46,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 20:20:46,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 20:20:46,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 20:20:46,857 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 20:20:46,869 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 03.12 08:20:46" (1/1) ... [2018-12-03 20:20:46,869 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 03.12 08:20:46" (1/1) ... [2018-12-03 20:20:46,871 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 03.12 08:20:46" (1/1) ... [2018-12-03 20:20:46,871 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 03.12 08:20:46" (1/1) ... [2018-12-03 20:20:46,878 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 03.12 08:20:46" (1/1) ... [2018-12-03 20:20:46,880 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 03.12 08:20:46" (1/1) ... [2018-12-03 20:20:46,887 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 03.12 08:20:46" (1/1) ... [2018-12-03 20:20:46,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 20:20:46,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 20:20:46,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 20:20:46,890 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 20:20:46,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.12 08:20:46" (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 [2018-12-03 20:20:46,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 20:20:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 20:20:47,259 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 20:20:47,259 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 20:20:47,260 INFO L202 PluginConnector]: Adding new model linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 08:20:47 BoogieIcfgContainer [2018-12-03 20:20:47,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 20:20:47,261 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-03 20:20:47,261 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-03 20:20:47,261 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-03 20:20:47,262 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 03.12 08:20:47" (1/1) ... [2018-12-03 20:20:47,322 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 20:20:47,834 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.