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_oct.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified03.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-e1a14da [2018-12-24 15:29:15,868 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-24 15:29:15,870 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-24 15:29:15,884 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-24 15:29:15,884 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-24 15:29:15,885 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-24 15:29:15,887 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-24 15:29:15,889 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-24 15:29:15,892 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-24 15:29:15,895 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-24 15:29:15,897 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-12-24 15:29:15,938 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2018-12-24 15:29:15,951 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-24 15:29:15,952 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-24 15:29:15,953 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-24 15:29:15,953 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-24 15:29:15,953 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-24 15:29:15,953 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-24 15:29:15,953 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2018-12-24 15:29:15,954 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-24 15:29:15,954 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-24 15:29:15,954 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2018-12-24 15:29:15,954 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-24 15:29:15,954 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-24 15:29:15,955 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-24 15:29:15,955 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-24 15:29:15,956 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-24 15:29:15,956 INFO L133 SettingsManager]: * Use SBE=true [2018-12-24 15:29:15,956 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-24 15:29:15,956 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-24 15:29:15,956 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-24 15:29:15,957 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-24 15:29:15,957 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-24 15:29:15,957 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-24 15:29:15,957 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-24 15:29:15,957 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-24 15:29:15,957 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-24 15:29:15,961 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-24 15:29:15,961 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-24 15:29:15,961 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-24 15:29:15,962 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-24 15:29:15,962 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-24 15:29:15,962 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-24 15:29:15,962 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-24 15:29:15,962 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-24 15:29:15,963 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-24 15:29:15,963 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-24 15:29:15,963 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-24 15:29:15,963 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-24 15:29:15,963 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-24 15:29:15,964 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-24 15:29:16,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-24 15:29:16,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-24 15:29:16,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-24 15:29:16,027 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-24 15:29:16,028 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-24 15:29:16,029 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified03.bpl [2018-12-24 15:29:16,029 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified03.bpl' [2018-12-24 15:29:16,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-24 15:29:16,083 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-24 15:29:16,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-24 15:29:16,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-24 15:29:16,084 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-24 15:29:16,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:16" (1/1) ... [2018-12-24 15:29:16,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:16" (1/1) ... [2018-12-24 15:29:16,134 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-24 15:29:16,135 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-24 15:29:16,135 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-24 15:29:16,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-24 15:29:16,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-24 15:29:16,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-24 15:29:16,155 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-24 15:29:16,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:16" (1/1) ... [2018-12-24 15:29:16,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:16" (1/1) ... [2018-12-24 15:29:16,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:16" (1/1) ... [2018-12-24 15:29:16,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:16" (1/1) ... [2018-12-24 15:29:16,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:16" (1/1) ... [2018-12-24 15:29:16,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:16" (1/1) ... [2018-12-24 15:29:16,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:16" (1/1) ... [2018-12-24 15:29:16,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-24 15:29:16,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-24 15:29:16,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-24 15:29:16,188 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-24 15:29:16,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:16" (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 [2018-12-24 15:29:16,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-24 15:29:16,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-24 15:29:16,283 INFO L130 BoogieDeclarations]: Found specification of procedure ~malloc [2018-12-24 15:29:16,596 INFO L272 CfgBuilder]: Using library mode [2018-12-24 15:29:16,597 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-12-24 15:29:16,597 INFO L202 PluginConnector]: Adding new model PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 03:29:16 BoogieIcfgContainer [2018-12-24 15:29:16,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-24 15:29:16,599 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-24 15:29:16,599 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-24 15:29:16,599 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-24 15:29:16,600 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "PointerIncrement-simplified03.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 03:29:16" (1/1) ... [2018-12-24 15:29:16,659 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-24 15:29:37,428 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-24 15:29:37,449 INFO L272 AbstractInterpreter]: Visited 8 different actions 60 times. Merged at 6 different actions 35 times. Widened at 1 different actions 5 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-24 15:29:37,452 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-24 15:29:37,452 INFO L168 Benchmark]: Toolchain (without parser) took 21371.25 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 924.3 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -878.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-12-24 15:29:37,455 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-24 15:29:37,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.61 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-24 15:29:37,457 INFO L168 Benchmark]: Boogie Preprocessor took 32.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-12-24 15:29:37,458 INFO L168 Benchmark]: RCFGBuilder took 409.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-12-24 15:29:37,459 INFO L168 Benchmark]: Abstract Interpretation took 20853.19 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 924.3 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -900.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-12-24 15:29:37,466 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 0.26 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 70.61 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 409.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 20853.19 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 924.3 MB). Free memory was 1.4 GB in the beginning and 2.3 GB in the end (delta: -900.0 MB). Peak memory consumption was 1.3 GB. 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...