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_compound_oct_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ValueTerminatedArrayIteration01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1de736e-m [2019-02-14 17:05:27,303 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-14 17:05:27,305 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-14 17:05:27,317 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-14 17:05:27,317 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-14 17:05:27,319 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-14 17:05:27,320 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-14 17:05:27,322 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-14 17:05:27,324 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-14 17:05:27,325 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-14 17:05:27,326 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-02-14 17:05:27,352 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_oct_cong.epf [2019-02-14 17:05:27,365 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-14 17:05:27,366 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-14 17:05:27,367 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-14 17:05:27,367 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-14 17:05:27,367 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-14 17:05:27,367 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-14 17:05:27,367 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-14 17:05:27,368 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-14 17:05:27,368 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-14 17:05:27,368 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-02-14 17:05:27,368 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-14 17:05:27,368 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-14 17:05:27,369 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-14 17:05:27,369 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-14 17:05:27,370 INFO L133 SettingsManager]: * Use SBE=true [2019-02-14 17:05:27,370 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-14 17:05:27,370 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-14 17:05:27,370 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-14 17:05:27,370 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-14 17:05:27,371 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-14 17:05:27,371 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-14 17:05:27,371 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-14 17:05:27,371 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-14 17:05:27,371 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-14 17:05:27,372 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-14 17:05:27,372 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-14 17:05:27,372 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-14 17:05:27,372 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-14 17:05:27,372 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-14 17:05:27,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-14 17:05:27,373 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-14 17:05:27,373 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-14 17:05:27,373 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-14 17:05:27,373 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-14 17:05:27,374 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-14 17:05:27,374 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-14 17:05:27,374 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-14 17:05:27,374 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-14 17:05:27,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-14 17:05:27,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-14 17:05:27,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-14 17:05:27,422 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-14 17:05:27,423 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-14 17:05:27,424 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ValueTerminatedArrayIteration01.bpl [2019-02-14 17:05:27,424 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ValueTerminatedArrayIteration01.bpl' [2019-02-14 17:05:27,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-14 17:05:27,468 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-14 17:05:27,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-14 17:05:27,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-14 17:05:27,469 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-14 17:05:27,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:27" (1/1) ... [2019-02-14 17:05:27,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:27" (1/1) ... [2019-02-14 17:05:27,509 WARN L165 Inliner]: Program contained no entry procedure! [2019-02-14 17:05:27,509 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-02-14 17:05:27,509 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-02-14 17:05:27,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-14 17:05:27,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-14 17:05:27,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-14 17:05:27,513 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-14 17:05:27,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:27" (1/1) ... [2019-02-14 17:05:27,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:27" (1/1) ... [2019-02-14 17:05:27,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:27" (1/1) ... [2019-02-14 17:05:27,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:27" (1/1) ... [2019-02-14 17:05:27,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:27" (1/1) ... [2019-02-14 17:05:27,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:27" (1/1) ... [2019-02-14 17:05:27,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:27" (1/1) ... [2019-02-14 17:05:27,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-14 17:05:27,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-14 17:05:27,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-14 17:05:27,544 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-14 17:05:27,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:27" (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 [2019-02-14 17:05:27,612 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-02-14 17:05:27,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-02-14 17:05:27,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-02-14 17:05:27,831 INFO L278 CfgBuilder]: Using library mode [2019-02-14 17:05:27,832 INFO L286 CfgBuilder]: Removed 0 assue(true) statements. [2019-02-14 17:05:27,833 INFO L202 PluginConnector]: Adding new model ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 05:05:27 BoogieIcfgContainer [2019-02-14 17:05:27,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-14 17:05:27,834 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-14 17:05:27,834 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-14 17:05:27,835 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-14 17:05:27,836 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 05:05:27" (1/1) ... [2019-02-14 17:05:27,887 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-14 17:05:28,616 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-14 17:05:28,639 INFO L272 AbstractInterpreter]: Visited 6 different actions 31 times. Merged at 5 different actions 24 times. Widened at 1 different actions 3 times. Performed 58 root evaluator evaluations with a maximum evaluation depth of 2. Performed 58 inverse root evaluator evaluations with a maximum inverse evaluation depth of 2. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-02-14 17:05:28,641 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-14 17:05:28,643 INFO L168 Benchmark]: Toolchain (without parser) took 1176.93 ms. Allocated memory is still 134.2 MB. Free memory was 109.5 MB in the beginning and 76.8 MB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2019-02-14 17:05:28,646 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory is still 110.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-14 17:05:28,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.15 ms. Allocated memory is still 134.2 MB. Free memory was 109.1 MB in the beginning and 107.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-02-14 17:05:28,648 INFO L168 Benchmark]: Boogie Preprocessor took 25.84 ms. Allocated memory is still 134.2 MB. Free memory was 107.4 MB in the beginning and 106.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-02-14 17:05:28,650 INFO L168 Benchmark]: RCFGBuilder took 294.90 ms. Allocated memory is still 134.2 MB. Free memory was 106.1 MB in the beginning and 97.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-02-14 17:05:28,651 INFO L168 Benchmark]: Abstract Interpretation took 807.18 ms. Allocated memory is still 134.2 MB. Free memory was 97.0 MB in the beginning and 76.8 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-02-14 17:05:28,658 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory is still 110.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.15 ms. Allocated memory is still 134.2 MB. Free memory was 109.1 MB in the beginning and 107.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.84 ms. Allocated memory is still 134.2 MB. Free memory was 107.4 MB in the beginning and 106.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 294.90 ms. Allocated memory is still 134.2 MB. Free memory was 106.1 MB in the beginning and 97.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 807.18 ms. Allocated memory is still 134.2 MB. Free memory was 97.0 MB in the beginning and 76.8 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 20]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L14] assume end >= 0; [L15] a[end] := 42; [L16] i := 0; [L17] COND TRUE a[i] != 42 [L18] i := i + 1; [L17] COND FALSE !(a[i] != 42) [L20] assert i <= end; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...