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_array_compound_exp_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0ed9222-m [2019-01-11 15:09:15,466 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-11 15:09:15,468 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-11 15:09:15,488 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-11 15:09:15,489 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-11 15:09:15,491 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-11 15:09:15,492 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-11 15:09:15,495 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-11 15:09:15,498 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-11 15:09:15,506 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-11 15:09:15,507 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-11 15:09:15,541 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf [2019-01-11 15:09:15,554 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-11 15:09:15,554 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-11 15:09:15,555 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-11 15:09:15,555 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-11 15:09:15,555 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-11 15:09:15,555 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-11 15:09:15,556 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-11 15:09:15,556 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-11 15:09:15,556 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-11 15:09:15,556 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-11 15:09:15,556 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-11 15:09:15,557 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-11 15:09:15,557 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-11 15:09:15,557 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-11 15:09:15,558 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-11 15:09:15,558 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-11 15:09:15,558 INFO L133 SettingsManager]: * Use SBE=true [2019-01-11 15:09:15,559 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-11 15:09:15,559 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-11 15:09:15,559 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-11 15:09:15,559 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-11 15:09:15,559 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-11 15:09:15,560 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-11 15:09:15,560 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-11 15:09:15,560 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-11 15:09:15,560 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-11 15:09:15,561 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-11 15:09:15,561 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-11 15:09:15,561 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-11 15:09:15,561 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-11 15:09:15,561 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-11 15:09:15,562 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in -t:2000 [2019-01-11 15:09:15,562 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-11 15:09:15,562 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-11 15:09:15,562 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-11 15:09:15,562 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-11 15:09:15,563 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-11 15:09:15,563 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in [2019-01-11 15:09:15,563 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-11 15:09:15,563 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-11 15:09:15,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-11 15:09:15,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-11 15:09:15,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-11 15:09:15,614 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-11 15:09:15,614 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-11 15:09:15,615 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified03.bpl [2019-01-11 15:09:15,615 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified03.bpl' [2019-01-11 15:09:15,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-11 15:09:15,664 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-11 15:09:15,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-11 15:09:15,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-11 15:09:15,664 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-11 15:09:15,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:09:15" (1/1) ... [2019-01-11 15:09:15,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:09:15" (1/1) ... [2019-01-11 15:09:15,705 WARN L165 Inliner]: Program contained no entry procedure! [2019-01-11 15:09:15,705 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-01-11 15:09:15,705 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-01-11 15:09:15,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-11 15:09:15,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-11 15:09:15,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-11 15:09:15,726 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-11 15:09:15,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:09:15" (1/1) ... [2019-01-11 15:09:15,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:09:15" (1/1) ... [2019-01-11 15:09:15,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:09:15" (1/1) ... [2019-01-11 15:09:15,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:09:15" (1/1) ... [2019-01-11 15:09:15,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:09:15" (1/1) ... [2019-01-11 15:09:15,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:09:15" (1/1) ... [2019-01-11 15:09:15,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:09:15" (1/1) ... [2019-01-11 15:09:15,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-11 15:09:15,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-11 15:09:15,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-11 15:09:15,756 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-11 15:09:15,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 03:09:15" (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:8192 -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:8192 -smt2 -in -t:2000 [2019-01-11 15:09:15,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-11 15:09:15,832 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-11 15:09:15,832 INFO L130 BoogieDeclarations]: Found specification of procedure ~malloc [2019-01-11 15:09:16,012 INFO L278 CfgBuilder]: Using library mode [2019-01-11 15:09:16,013 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-11 15:09:16,014 INFO L202 PluginConnector]: Adding new model PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:09:16 BoogieIcfgContainer [2019-01-11 15:09:16,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-11 15:09:16,015 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-11 15:09:16,015 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-11 15:09:16,015 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-11 15:09:16,016 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 03:09:16" (1/1) ... [2019-01-11 15:09:16,052 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-11 15:09:18,318 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-11 15:09:18,341 INFO L272 AbstractInterpreter]: Visited 8 different actions 26 times. Merged at 4 different actions 12 times. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-01-11 15:09:18,343 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-11 15:09:18,344 INFO L168 Benchmark]: Toolchain (without parser) took 2681.23 ms. Allocated memory was 141.0 MB in the beginning and 237.0 MB in the end (delta: 95.9 MB). Free memory was 108.4 MB in the beginning and 87.5 MB in the end (delta: 20.9 MB). Peak memory consumption was 116.8 MB. Max. memory is 7.1 GB. [2019-01-11 15:09:18,347 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory is still 109.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-11 15:09:18,347 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.37 ms. Allocated memory is still 141.0 MB. Free memory was 108.4 MB in the beginning and 106.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-01-11 15:09:18,349 INFO L168 Benchmark]: Boogie Preprocessor took 29.41 ms. Allocated memory is still 141.0 MB. Free memory was 106.0 MB in the beginning and 104.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-01-11 15:09:18,350 INFO L168 Benchmark]: RCFGBuilder took 258.30 ms. Allocated memory is still 141.0 MB. Free memory was 104.8 MB in the beginning and 94.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-01-11 15:09:18,351 INFO L168 Benchmark]: Abstract Interpretation took 2328.13 ms. Allocated memory was 141.0 MB in the beginning and 237.0 MB in the end (delta: 95.9 MB). Free memory was 94.7 MB in the beginning and 87.5 MB in the end (delta: 7.2 MB). Peak memory consumption was 103.1 MB. Max. memory is 7.1 GB. [2019-01-11 15:09:18,357 INFO L336 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 0.18 ms. Allocated memory is still 141.0 MB. Free memory is still 109.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.37 ms. Allocated memory is still 141.0 MB. Free memory was 108.4 MB in the beginning and 106.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.41 ms. Allocated memory is still 141.0 MB. Free memory was 106.0 MB in the beginning and 104.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 258.30 ms. Allocated memory is still 141.0 MB. Free memory was 104.8 MB in the beginning and 94.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2328.13 ms. Allocated memory was 141.0 MB in the beginning and 237.0 MB in the end (delta: 95.9 MB). Free memory was 94.7 MB in the beginning and 87.5 MB in the end (delta: 7.2 MB). Peak memory consumption was 103.1 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: [L38-L43] modifies #valid, #length; [L38] ensures old(#valid)[#res!base] == false; [L38-L39] ensures #valid == old(#valid)[#res!base := true]; [L38-L40] ensures #res!offset == 0; [L38-L41] ensures #res!base != 0; [L38-L42] ensures #length == old(#length)[#res!base := ~size]; [L11] q := p; [L14] COND TRUE q!offset < p!offset + 400 [L15] assert 4 + q!offset <= #length[q!base]; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...