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_oct.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-4b9831f [2018-12-23 15:26:53,424 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-23 15:26:53,426 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-23 15:26:53,439 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-23 15:26:53,439 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-23 15:26:53,440 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-23 15:26:53,442 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-23 15:26:53,444 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-23 15:26:53,445 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-23 15:26:53,446 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-23 15:26:53,447 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-23 15:26:53,473 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2018-12-23 15:26:53,487 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-23 15:26:53,487 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-23 15:26:53,488 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-23 15:26:53,488 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-23 15:26:53,488 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-23 15:26:53,489 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-23 15:26:53,489 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2018-12-23 15:26:53,489 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-23 15:26:53,489 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-23 15:26:53,489 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2018-12-23 15:26:53,490 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-23 15:26:53,490 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-23 15:26:53,490 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-23 15:26:53,491 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-23 15:26:53,491 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-23 15:26:53,491 INFO L133 SettingsManager]: * Use SBE=true [2018-12-23 15:26:53,491 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-23 15:26:53,492 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-23 15:26:53,492 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-23 15:26:53,492 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-23 15:26:53,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-23 15:26:53,492 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-23 15:26:53,492 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-23 15:26:53,493 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-23 15:26:53,493 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-23 15:26:53,493 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-23 15:26:53,493 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-23 15:26:53,493 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-23 15:26:53,494 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-23 15:26:53,494 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-23 15:26:53,494 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-23 15:26:53,494 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-23 15:26:53,494 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-23 15:26:53,495 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-23 15:26:53,495 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-23 15:26:53,495 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-23 15:26:53,495 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-23 15:26:53,495 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-23 15:26:53,496 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-23 15:26:53,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-23 15:26:53,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-23 15:26:53,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-23 15:26:53,544 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-23 15:26:53,545 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-23 15:26:53,546 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl [2018-12-23 15:26:53,546 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl' [2018-12-23 15:26:53,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-23 15:26:53,596 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-23 15:26:53,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-23 15:26:53,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-23 15:26:53,598 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-23 15:26:53,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:53" (1/1) ... [2018-12-23 15:26:53,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:53" (1/1) ... [2018-12-23 15:26:53,634 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-23 15:26:53,634 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-23 15:26:53,634 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-23 15:26:53,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-23 15:26:53,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-23 15:26:53,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-23 15:26:53,638 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-23 15:26:53,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:53" (1/1) ... [2018-12-23 15:26:53,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:53" (1/1) ... [2018-12-23 15:26:53,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:53" (1/1) ... [2018-12-23 15:26:53,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:53" (1/1) ... [2018-12-23 15:26:53,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:53" (1/1) ... [2018-12-23 15:26:53,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:53" (1/1) ... [2018-12-23 15:26:53,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:53" (1/1) ... [2018-12-23 15:26:53,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-23 15:26:53,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-23 15:26:53,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-23 15:26:53,662 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-23 15:26:53,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.12 03:26:53" (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 [2018-12-23 15:26:53,732 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-12-23 15:26:53,733 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-23 15:26:53,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-23 15:26:54,177 INFO L272 CfgBuilder]: Using library mode [2018-12-23 15:26:54,177 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-23 15:26:54,179 INFO L202 PluginConnector]: Adding new model Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:26:54 BoogieIcfgContainer [2018-12-23 15:26:54,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-23 15:26:54,180 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-23 15:26:54,180 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-23 15:26:54,180 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-23 15:26:54,181 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:26:54" (1/1) ... [2018-12-23 15:26:54,254 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-23 15:26:56,819 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2018-12-23 15:26:56,820 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2018-12-23 15:26:56,820 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2018-12-23 15:26:56,821 WARN L223 ngHoareTripleChecker]: -- [2018-12-23 15:26:56,822 WARN L224 ngHoareTripleChecker]: Pre: {2147483645#(forall ((v_idx_7 Int) (v_idx_8 Int) (v_idx_9 Int) (v_idx_10 Int) (v_idx_11 Int)) (exists ((v_v_2_1 Int) (v_v_3_1 Int) (v_v_4_1 Int) (v_b_2_1 Int) (v_b_3_1 Int) (v_v_5_1 Int) (v_v_6_1 Int) (v_b_0_1 Int) (v_b_1_1 Int)) (and (<= (- v_b_3_1 c_main_y) 1) (or (<= v_b_0_1 v_idx_9) (< v_idx_9 v_b_3_1) (= v_v_6_1 (select c_main_a v_idx_9))) (<= (- (- v_b_0_1) (- v_b_3_1)) 0) (or (= (select c_main_a v_idx_11) v_v_3_1) (< v_idx_11 v_b_1_1)) (<= (- v_b_0_1 c_main_x) 0) (or (< v_idx_10 v_b_0_1) (<= v_b_1_1 v_idx_10) (= (select c_main_a v_idx_10) v_v_2_1)) (<= (- v_v_2_1 (- v_v_5_1)) 1000) (or (= v_v_4_1 (select c_main_a v_idx_7)) (<= v_b_2_1 v_idx_7)) (<= (- v_v_5_1 (- v_v_5_1)) 2000) (<= (- (- v_b_2_1) (- c_main_y)) 0) (<= (- (- v_v_2_1) (- v_v_5_1)) 1000) (<= (- (- v_b_0_1) (- v_b_2_1)) (- 1)) (<= (- v_b_2_1 c_main_x) (- 1)) (or (< v_idx_8 v_b_2_1) (<= v_b_3_1 v_idx_8) (= v_v_5_1 (select c_main_a v_idx_8))) (<= (- v_b_3_1 c_main_x) 0) (<= (- v_v_2_1 (- v_v_2_1)) 0) (<= (- (- v_b_0_1) (- v_b_1_1)) 1) (<= (- (- v_b_2_1) (- v_b_3_1)) 1) (<= (- (- v_b_1_1) (- c_main_y)) (- 2)) (<= (- v_b_1_1 c_main_x) 1) (<= (- v_b_0_1 v_b_1_1) (- 1)) (<= (- v_b_2_1 v_b_3_1) (- 1)) (<= (- v_b_2_1 c_main_y) 0) (<= (- (- v_b_1_1) (- v_b_2_1)) (- 2)) (<= (- (- v_v_2_1) v_v_5_1) (- 1000)) (<= (- (- v_b_0_1) (- c_main_x)) 0) (<= (- (- v_b_3_1) (- c_main_y)) (- 1)) (<= (- (- v_b_0_1) (- c_main_y)) (- 1)) (<= (- (- v_b_1_1) (- v_b_3_1)) (- 1)) (<= (- v_v_2_1 v_v_5_1) (- 1000)) (<= (- (- v_b_1_1) (- c_main_x)) (- 1)) (<= (- (- c_main_x) (- c_main_y)) (- 1)) (<= (- (- v_v_2_1) v_v_2_1) 0) (<= (- (- v_v_5_1) v_v_5_1) (- 2000)))))} [2018-12-23 15:26:56,825 WARN L228 ngHoareTripleChecker]: Action: a := a[x := a[x] + 1];a := a[y := a[y] - 1]; [2018-12-23 15:26:56,826 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (= (store (store c_main_a c_main_x (+ (select c_main_a c_main_x) 1)) c_main_y (+ (select (store c_main_a c_main_x (+ (select c_main_a c_main_x) 1)) c_main_y) (- 1))) c_main_a_primed) [2018-12-23 15:26:56,827 WARN L230 ngHoareTripleChecker]: Post: {2147483644#(forall ((v_idx_14 Int) (v_idx_15 Int) (v_idx_12 Int) (v_idx_13 Int) (v_idx_16 Int)) (exists ((v_v_8_1 Int) (v_b_6_1 Int) (v_b_4_1 Int) (v_v_11_1 Int) (v_v_3_1 Int) (v_v_4_1 Int) (v_b_3_1 Int) (v_v_6_1 Int) (v_b_1_1 Int)) (and (<= (- v_v_11_1 v_v_8_1) 998) (<= (- v_b_3_1 c_main_y) 1) (<= (- v_v_8_1 (- v_v_8_1)) 2) (<= (- v_b_6_1 c_main_x) (- 1)) (<= (- v_b_1_1 v_b_4_1) 1) (<= (- (- v_b_1_1) (- v_b_4_1)) (- 1)) (<= (- (- v_v_11_1) v_v_8_1) (- 1000)) (<= (- (- v_v_11_1) (- v_v_8_1)) (- 998)) (<= (- (- v_b_3_1) (- v_b_6_1)) (- 1)) (or (< v_idx_15 v_b_4_1) (<= v_b_1_1 v_idx_15) (= v_v_8_1 (select c_main_a v_idx_15))) (<= (- (- v_b_1_1) (- v_b_6_1)) (- 2)) (<= (- (- v_b_4_1) (- c_main_x)) 0) (<= (- v_b_4_1 c_main_x) 0) (<= (- v_b_3_1 v_b_6_1) 1) (<= (- (- v_v_8_1) v_v_8_1) (- 2)) (<= (- v_b_3_1 c_main_x) 0) (<= (- (- v_b_6_1) (- c_main_y)) 0) (<= (- (- v_b_1_1) (- c_main_y)) (- 2)) (<= (- v_v_11_1 (- v_v_8_1)) 1000) (<= (- (- v_b_4_1) (- v_b_6_1)) (- 1)) (<= (- v_b_1_1 c_main_x) 1) (<= (- v_b_6_1 c_main_y) 0) (<= (- v_v_11_1 (- v_v_11_1)) 1998) (or (< v_idx_16 v_b_1_1) (= v_v_3_1 (select c_main_a v_idx_16))) (<= (- (- v_b_4_1) (- c_main_y)) (- 1)) (or (= v_v_4_1 (select c_main_a v_idx_12)) (<= v_b_6_1 v_idx_12)) (<= (- (- v_b_3_1) (- c_main_y)) (- 1)) (or (= v_v_6_1 (select c_main_a v_idx_14)) (<= v_b_4_1 v_idx_14) (< v_idx_14 v_b_3_1)) (<= (- (- v_v_11_1) v_v_11_1) (- 1998)) (or (< v_idx_13 v_b_6_1) (= (select c_main_a v_idx_13) v_v_11_1) (<= v_b_3_1 v_idx_13)) (<= (- (- v_b_1_1) (- v_b_3_1)) (- 1)) (<= (- v_b_3_1 v_b_4_1) 0) (<= (- (- v_b_1_1) (- c_main_x)) (- 1)) (<= (- (- c_main_x) (- c_main_y)) (- 1)))))} [2018-12-23 15:26:56,827 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2018-12-23 15:26:57,291 WARN L268 ngHoareTripleChecker]: -- [2018-12-23 15:26:57,292 WARN L269 ngHoareTripleChecker]: Simplified triple