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/eq/19_multilayer_of_array_access.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:19:01,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:19:01,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:19:01,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:19:01,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:19:01,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:19:01,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:19:01,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:19:01,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:19:01,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:19:01,557 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:19:01,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-08-05 12:19:01,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:19:01,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:19:01,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:19:01,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:19:01,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:19:01,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:19:01,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:19:01,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:19:01,596 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 12:19:01,619 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:19:01,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:19:01,621 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:19:01,621 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:19:01,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:19:01,624 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:19:01,624 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:19:01,625 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:19:01,625 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:19:01,625 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:19:01,625 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:19:01,625 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:19:01,626 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:19:01,626 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:19:01,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:19:01,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:19:01,629 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:19:01,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:19:01,629 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:19:01,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:19:01,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:19:01,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:19:01,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:19:01,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:19:01,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:19:01,632 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:19:01,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:19:01,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:19:01,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:19:01,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:19:01,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:19:01,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:19:01,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:19:01,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:19:01,634 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:19:01,634 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:19:01,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:19:01,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:19:01,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:19:01,635 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:19:01,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:19:01,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:19:01,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:19:01,719 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:19:01,720 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:19:01,720 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/19_multilayer_of_array_access.bpl [2019-08-05 12:19:01,721 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/19_multilayer_of_array_access.bpl' [2019-08-05 12:19:01,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:19:01,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:19:01,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:01,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:19:01,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:19:01,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:01" (1/1) ... [2019-08-05 12:19:01,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:01" (1/1) ... [2019-08-05 12:19:01,804 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:19:01,805 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:19:01,805 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:19:01,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:01,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:19:01,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:19:01,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:19:01,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:01" (1/1) ... [2019-08-05 12:19:01,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:01" (1/1) ... [2019-08-05 12:19:01,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:01" (1/1) ... [2019-08-05 12:19:01,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:01" (1/1) ... [2019-08-05 12:19:01,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:01" (1/1) ... [2019-08-05 12:19:01,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:01" (1/1) ... [2019-08-05 12:19:01,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:01" (1/1) ... [2019-08-05 12:19:01,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:19:01,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:19:01,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:19:01,835 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:19:01,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:01" (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 12:19:01,908 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Easy given in one single declaration [2019-08-05 12:19:01,909 INFO L130 BoogieDeclarations]: Found specification of procedure Easy [2019-08-05 12:19:01,909 INFO L138 BoogieDeclarations]: Found implementation of procedure Easy [2019-08-05 12:19:02,107 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:19:02,107 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:19:02,108 INFO L202 PluginConnector]: Adding new model 19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:02 BoogieIcfgContainer [2019-08-05 12:19:02,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:19:02,109 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:19:02,109 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:19:02,110 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:19:02,111 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:02" (1/1) ... [2019-08-05 12:19:02,142 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:19:02,215 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:19:02,233 INFO L272 AbstractInterpreter]: Visited 4 different actions 4 times. Never merged. Never widened. Performed 10 root evaluator evaluations with a maximum evaluation depth of 7. Performed 10 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:19:02,234 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:19:02,237 INFO L168 Benchmark]: Toolchain (without parser) took 477.27 ms. Allocated memory is still 135.3 MB. Free memory was 109.2 MB in the beginning and 92.0 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:02,238 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 135.3 MB. Free memory was 110.4 MB in the beginning and 110.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:19:02,240 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.00 ms. Allocated memory is still 135.3 MB. Free memory was 109.2 MB in the beginning and 107.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:02,241 INFO L168 Benchmark]: Boogie Preprocessor took 26.79 ms. Allocated memory is still 135.3 MB. Free memory was 107.3 MB in the beginning and 106.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:02,242 INFO L168 Benchmark]: RCFGBuilder took 273.86 ms. Allocated memory is still 135.3 MB. Free memory was 106.1 MB in the beginning and 97.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:02,244 INFO L168 Benchmark]: Abstract Interpretation took 124.62 ms. Allocated memory is still 135.3 MB. Free memory was 97.6 MB in the beginning and 92.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:02,248 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 0.19 ms. Allocated memory is still 135.3 MB. Free memory was 110.4 MB in the beginning and 110.2 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 48.00 ms. Allocated memory is still 135.3 MB. Free memory was 109.2 MB in the beginning and 107.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.79 ms. Allocated memory is still 135.3 MB. Free memory was 107.3 MB in the beginning and 106.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 273.86 ms. Allocated memory is still 135.3 MB. Free memory was 106.1 MB in the beginning and 97.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 124.62 ms. Allocated memory is still 135.3 MB. Free memory was 97.6 MB in the beginning and 92.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 16]: 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] c[y] := k; [L13] b[c[y]] := j; [L14] a[b[c[y]]] := i; [L16] assert c[y] == k && b[c[y]] == j && a[b[c[y]]] == i; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...