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/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1377b90 [2019-01-07 15:33:51,540 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 15:33:51,542 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 15:33:51,556 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-07 15:33:51,556 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-07 15:33:51,558 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-07 15:33:51,559 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-07 15:33:51,561 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-07 15:33:51,563 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-07 15:33:51,566 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-07 15:33:51,569 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-07 15:33:51,569 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-07 15:33:51,571 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-07 15:33:51,572 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-07 15:33:51,574 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-07 15:33:51,575 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-07 15:33:51,576 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-07 15:33:51,578 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-07 15:33:51,580 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-07 15:33:51,582 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-07 15:33:51,583 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-07 15:33:51,585 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-07 15:33:51,588 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-07 15:33:51,588 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-07 15:33:51,588 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-07 15:33:51,589 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-07 15:33:51,590 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-07 15:33:51,591 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-07 15:33:51,592 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-07 15:33:51,593 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-07 15:33:51,594 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-07 15:33:51,594 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-07 15:33:51,595 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-07 15:33:51,595 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-07 15:33:51,596 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-07 15:33:51,597 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-07 15:33:51,597 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 [2019-01-07 15:33:51,612 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 15:33:51,613 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 15:33:51,614 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 15:33:51,614 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 15:33:51,614 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 15:33:51,614 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 15:33:51,614 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 15:33:51,615 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 15:33:51,615 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 15:33:51,615 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-07 15:33:51,615 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 15:33:51,616 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 15:33:51,616 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 15:33:51,617 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 15:33:51,617 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 15:33:51,617 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 15:33:51,617 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 15:33:51,617 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 15:33:51,618 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 15:33:51,618 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 15:33:51,618 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 15:33:51,618 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 15:33:51,618 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 15:33:51,619 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 15:33:51,619 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 15:33:51,619 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 15:33:51,619 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 15:33:51,619 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 15:33:51,620 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 15:33:51,620 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 15:33:51,620 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 15:33:51,620 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 15:33:51,620 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 15:33:51,621 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 15:33:51,621 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 15:33:51,621 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 15:33:51,621 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 15:33:51,621 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 15:33:51,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 15:33:51,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 15:33:51,697 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 15:33:51,699 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 15:33:51,701 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 15:33:51,702 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl [2019-01-07 15:33:51,702 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/SkatingStrawberry.bpl' [2019-01-07 15:33:51,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 15:33:51,763 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 15:33:51,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 15:33:51,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 15:33:51,765 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 15:33:51,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:33:51" (1/1) ... [2019-01-07 15:33:51,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:33:51" (1/1) ... [2019-01-07 15:33:51,805 WARN L165 Inliner]: Program contained no entry procedure! [2019-01-07 15:33:51,806 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-01-07 15:33:51,806 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-01-07 15:33:51,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 15:33:51,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 15:33:51,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 15:33:51,810 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 15:33:51,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:33:51" (1/1) ... [2019-01-07 15:33:51,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:33:51" (1/1) ... [2019-01-07 15:33:51,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:33:51" (1/1) ... [2019-01-07 15:33:51,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:33:51" (1/1) ... [2019-01-07 15:33:51,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:33:51" (1/1) ... [2019-01-07 15:33:51,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:33:51" (1/1) ... [2019-01-07 15:33:51,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:33:51" (1/1) ... [2019-01-07 15:33:51,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 15:33:51,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 15:33:51,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 15:33:51,838 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 15:33:51,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:33:51" (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 [2019-01-07 15:33:51,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-01-07 15:33:51,926 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-07 15:33:51,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-07 15:33:52,208 INFO L278 CfgBuilder]: Using library mode [2019-01-07 15:33:52,209 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-07 15:33:52,210 INFO L202 PluginConnector]: Adding new model SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 03:33:52 BoogieIcfgContainer [2019-01-07 15:33:52,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 15:33:52,211 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-07 15:33:52,212 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-07 15:33:52,212 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-07 15:33:52,213 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "SkatingStrawberry.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 03:33:52" (1/1) ... [2019-01-07 15:33:52,268 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2)