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_compound_exp_cong.epf -i ../../../trunk/examples/programs/abstractInterpretation/regression/open/int/recursive-CallABAB_count.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:18:49,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:18:49,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:18:49,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:18:49,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:18:49,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:18:49,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:18:49,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:18:49,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:18:49,552 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:18:49,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:18:49,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:18:49,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:18:49,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:18:49,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:18:49,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:18:49,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:18:49,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:18:49,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:18:49,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:18:49,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:18:49,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:18:49,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:18:49,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:18:49,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:18:49,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-05 12:18:49,586 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:18:49,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:18:49,588 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:18:49,588 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:18:49,588 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:18:49,588 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:18:49,589 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:18:49,589 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:18:49,589 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:18:49,589 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:18:49,589 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:18:49,590 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:18:49,590 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:18:49,590 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:18:49,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:18:49,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:18:49,591 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:18:49,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:18:49,592 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:18:49,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:18:49,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:18:49,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:18:49,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:18:49,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:18:49,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:18:49,593 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:18:49,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:18:49,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:18:49,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:18:49,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:18:49,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:18:49,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:18:49,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:18:49,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:18:49,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:18:49,596 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:18:49,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:18:49,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:18:49,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:18:49,597 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:18:49,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:18:49,669 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:18:49,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:18:49,675 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:18:49,675 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:18:49,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/open/int/recursive-CallABAB_count.bpl [2019-08-05 12:18:49,676 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/open/int/recursive-CallABAB_count.bpl' [2019-08-05 12:18:49,715 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:18:49,717 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:18:49,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:49,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:18:49,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:18:49,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "recursive-CallABAB_count.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:49" (1/1) ... [2019-08-05 12:18:49,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "recursive-CallABAB_count.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:49" (1/1) ... [2019-08-05 12:18:49,754 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:18:49,754 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:18:49,754 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:18:49,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:49,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:18:49,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:18:49,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:18:49,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "recursive-CallABAB_count.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:49" (1/1) ... [2019-08-05 12:18:49,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "recursive-CallABAB_count.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:49" (1/1) ... [2019-08-05 12:18:49,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "recursive-CallABAB_count.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:49" (1/1) ... [2019-08-05 12:18:49,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "recursive-CallABAB_count.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:49" (1/1) ... [2019-08-05 12:18:49,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "recursive-CallABAB_count.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:49" (1/1) ... [2019-08-05 12:18:49,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "recursive-CallABAB_count.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:49" (1/1) ... [2019-08-05 12:18:49,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "recursive-CallABAB_count.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:49" (1/1) ... [2019-08-05 12:18:49,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:18:49,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:18:49,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:18:49,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:18:49,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "recursive-CallABAB_count.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:49" (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 [2019-08-05 12:18:49,864 INFO L124 BoogieDeclarations]: Specification and implementation of procedure funA given in one single declaration [2019-08-05 12:18:49,865 INFO L130 BoogieDeclarations]: Found specification of procedure funA [2019-08-05 12:18:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure funA [2019-08-05 12:18:49,866 INFO L124 BoogieDeclarations]: Specification and implementation of procedure funB given in one single declaration [2019-08-05 12:18:49,866 INFO L130 BoogieDeclarations]: Found specification of procedure funB [2019-08-05 12:18:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure funB [2019-08-05 12:18:49,866 INFO L124 BoogieDeclarations]: Specification and implementation of procedure dispatch given in one single declaration [2019-08-05 12:18:49,867 INFO L130 BoogieDeclarations]: Found specification of procedure dispatch [2019-08-05 12:18:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure dispatch [2019-08-05 12:18:49,868 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Main given in one single declaration [2019-08-05 12:18:49,869 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-05 12:18:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-05 12:18:50,240 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:18:50,241 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:18:50,242 INFO L202 PluginConnector]: Adding new model recursive-CallABAB_count.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:50 BoogieIcfgContainer [2019-08-05 12:18:50,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:18:50,243 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:18:50,243 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:18:50,244 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:18:50,244 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "recursive-CallABAB_count.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:50" (1/1) ... [2019-08-05 12:18:50,276 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:18:50,791 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:18:50,818 INFO L272 AbstractInterpreter]: Visited 21 different actions 545 times. Merged at 10 different actions 25 times. Widened at 4 different actions 10 times. Performed 1662 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1662 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 84 fixpoints after 7 different actions. Largest state had 5 variables. [2019-08-05 12:18:50,818 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:18:50,821 INFO L168 Benchmark]: Toolchain (without parser) took 1103.36 ms. Allocated memory is still 134.2 MB. Free memory was 106.9 MB in the beginning and 68.4 MB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:50,822 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:18:50,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.29 ms. Allocated memory is still 134.2 MB. Free memory was 106.9 MB in the beginning and 104.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:50,825 INFO L168 Benchmark]: Boogie Preprocessor took 28.27 ms. Allocated memory is still 134.2 MB. Free memory was 104.9 MB in the beginning and 103.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:50,826 INFO L168 Benchmark]: RCFGBuilder took 456.20 ms. Allocated memory is still 134.2 MB. Free memory was 103.8 MB in the beginning and 93.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:50,827 INFO L168 Benchmark]: Abstract Interpretation took 575.26 ms. Allocated memory is still 134.2 MB. Free memory was 93.1 MB in the beginning and 68.4 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:50,832 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 134.2 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.29 ms. Allocated memory is still 134.2 MB. Free memory was 106.9 MB in the beginning and 104.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.27 ms. Allocated memory is still 134.2 MB. Free memory was 104.9 MB in the beginning and 103.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 456.20 ms. Allocated memory is still 134.2 MB. Free memory was 103.8 MB in the beginning and 93.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 575.26 ms. Allocated memory is still 134.2 MB. Free memory was 93.1 MB in the beginning and 68.4 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 15]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L12] g := 0; [L13] CALL call x := dispatch(20, 20); [L22] COND FALSE !(a + b <= 0) [L28] g := g + 1; [L29] COND FALSE !(a > b) [L35] CALL call res := funB(a, b); [L49] CALL call res := dispatch(a - 1, b - 2); [L22] COND FALSE !(a + b <= 0) [L28] g := g + 1; [L29] COND TRUE a > b [L31] CALL call res := funA(a, b); [L42] CALL call res := dispatch(a - 2, b - 1); [L22] COND FALSE !(a + b <= 0) [L28] g := g + 1; [L29] COND FALSE !(a > b) [L35] CALL call res := funB(a, b); [L49] CALL call res := dispatch(a - 1, b - 2); [L22] COND FALSE !(a + b <= 0) [L28] g := g + 1; [L29] COND TRUE a > b [L31] CALL call res := funA(a, b); [L42] CALL call res := dispatch(a - 2, b - 1); [L22] COND FALSE !(a + b <= 0) [L28] g := g + 1; [L29] COND FALSE !(a > b) [L35] CALL call res := funB(a, b); [L49] CALL call res := dispatch(a - 1, b - 2); [L22] COND TRUE a + b <= 0 [L24] res := a + b; [L49] RET call res := dispatch(a - 1, b - 2); [L35] RET call res := funB(a, b); [L42] RET call res := dispatch(a - 2, b - 1); [L31] RET call res := funA(a, b); [L49] RET call res := dispatch(a - 1, b - 2); [L35] RET call res := funB(a, b); [L42] RET call res := dispatch(a - 2, b - 1); [L31] RET call res := funA(a, b); [L49] RET call res := dispatch(a - 1, b - 2); [L35] RET call res := funB(a, b); [L13] RET call x := dispatch(20, 20); [L15] assert g <= 14; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...