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/unclassified/CallIrregular.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:19:46,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:19:46,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:19:46,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:19:46,543 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 12:19:46,556 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:19:46,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:19:46,557 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:19:46,558 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:19:46,558 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:19:46,558 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:19:46,558 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:19:46,558 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:19:46,559 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:19:46,559 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:19:46,559 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:19:46,559 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:19:46,559 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:19:46,560 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:19:46,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:19:46,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:19:46,561 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:19:46,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:19:46,561 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:19:46,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:19:46,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:19:46,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:19:46,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:19:46,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:19:46,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:19:46,563 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:19:46,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:19:46,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:19:46,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:19:46,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:19:46,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:19:46,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:19:46,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:19:46,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:19:46,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:19:46,565 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:19:46,565 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:19:46,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:19:46,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:19:46,566 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:19:46,612 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:19:46,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:19:46,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:19:46,630 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:19:46,631 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:19:46,632 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/CallIrregular.bpl [2019-08-05 12:19:46,632 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/CallIrregular.bpl' [2019-08-05 12:19:46,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:19:46,668 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:19:46,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:46,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:19:46,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:19:46,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "CallIrregular.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:46" (1/1) ... [2019-08-05 12:19:46,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "CallIrregular.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:46" (1/1) ... [2019-08-05 12:19:46,705 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:19:46,705 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:19:46,706 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:19:46,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:46,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:19:46,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:19:46,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:19:46,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CallIrregular.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:46" (1/1) ... [2019-08-05 12:19:46,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CallIrregular.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:46" (1/1) ... [2019-08-05 12:19:46,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CallIrregular.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:46" (1/1) ... [2019-08-05 12:19:46,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CallIrregular.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:46" (1/1) ... [2019-08-05 12:19:46,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CallIrregular.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:46" (1/1) ... [2019-08-05 12:19:46,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CallIrregular.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:46" (1/1) ... [2019-08-05 12:19:46,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CallIrregular.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:46" (1/1) ... [2019-08-05 12:19:46,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:19:46,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:19:46,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:19:46,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:19:46,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CallIrregular.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:46" (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 [2019-08-05 12:19:46,814 INFO L124 BoogieDeclarations]: Specification and implementation of procedure A given in one single declaration [2019-08-05 12:19:46,814 INFO L130 BoogieDeclarations]: Found specification of procedure A [2019-08-05 12:19:46,815 INFO L138 BoogieDeclarations]: Found implementation of procedure A [2019-08-05 12:19:46,815 INFO L124 BoogieDeclarations]: Specification and implementation of procedure B given in one single declaration [2019-08-05 12:19:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure B [2019-08-05 12:19:46,816 INFO L138 BoogieDeclarations]: Found implementation of procedure B [2019-08-05 12:19:46,816 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:19:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:19:46,817 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:19:47,125 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:19:47,126 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:19:47,127 INFO L202 PluginConnector]: Adding new model CallIrregular.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:47 BoogieIcfgContainer [2019-08-05 12:19:47,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:19:47,128 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:19:47,128 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:19:47,129 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:19:47,129 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "CallIrregular.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:47" (1/1) ... [2019-08-05 12:19:47,156 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:19:47,858 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:19:47,880 INFO L272 AbstractInterpreter]: Visited 17 different actions 1055 times. Never merged. Widened at 3 different actions 91 times. Performed 3090 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3090 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 187 fixpoints after 5 different actions. Largest state had 4 variables. [2019-08-05 12:19:47,881 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:19:47,884 INFO L168 Benchmark]: Toolchain (without parser) took 1214.29 ms. Allocated memory was 141.6 MB in the beginning and 176.7 MB in the end (delta: 35.1 MB). Free memory was 106.6 MB in the beginning and 139.7 MB in the end (delta: -33.2 MB). Peak memory consumption was 52.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:47,886 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 12:19:47,887 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.45 ms. Allocated memory is still 141.6 MB. Free memory was 106.6 MB in the beginning and 104.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:47,888 INFO L168 Benchmark]: Boogie Preprocessor took 25.20 ms. Allocated memory is still 141.6 MB. Free memory was 104.6 MB in the beginning and 103.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:47,890 INFO L168 Benchmark]: RCFGBuilder took 392.67 ms. Allocated memory is still 141.6 MB. Free memory was 103.5 MB in the beginning and 93.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:47,891 INFO L168 Benchmark]: Abstract Interpretation took 752.75 ms. Allocated memory was 141.6 MB in the beginning and 176.7 MB in the end (delta: 35.1 MB). Free memory was 93.4 MB in the beginning and 139.7 MB in the end (delta: -46.3 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:47,897 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 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.45 ms. Allocated memory is still 141.6 MB. Free memory was 106.6 MB in the beginning and 104.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.20 ms. Allocated memory is still 141.6 MB. Free memory was 104.6 MB in the beginning and 103.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 392.67 ms. Allocated memory is still 141.6 MB. Free memory was 103.5 MB in the beginning and 93.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 752.75 ms. Allocated memory was 141.6 MB in the beginning and 176.7 MB in the end (delta: 35.1 MB). Free memory was 93.4 MB in the beginning and 139.7 MB in the end (delta: -46.3 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 12]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L11] CALL call x := A(1, 0, 1000); [L18] COND FALSE !(a >= goal) [L24] CALL call res := B(a, 1, goal); [L29] COND FALSE !(b < a) [L35] CALL call res := A(a + 1, b, goal); [L18] COND FALSE !(a >= goal) [L24] CALL call res := B(a, 1, goal); [L29] COND TRUE b < a [L31] CALL call res := B(a, b + 1, goal); [L29] COND FALSE !(b < a) [L35] CALL call res := A(a + 1, b, goal); [L18] COND FALSE !(a >= goal) [L24] CALL call res := B(a, 1, goal); [L29] COND FALSE !(b < a) [L35] CALL call res := A(a + 1, b, goal); [L18] COND TRUE a >= goal [L20] res := a + b; [L35] RET call res := A(a + 1, b, goal); [L24] RET call res := B(a, 1, goal); [L35] RET call res := A(a + 1, b, goal); [L31] RET call res := B(a, b + 1, goal); [L24] RET call res := B(a, 1, goal); [L35] RET call res := A(a + 1, b, goal); [L24] RET call res := B(a, 1, goal); [L11] RET call x := A(1, 0, 1000); [L12] assert x == 1000; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...