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-simplified02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0302a3f [2019-02-25 16:09:02,035 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-25 16:09:02,037 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-25 16:09:02,049 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-25 16:09:02,049 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-25 16:09:02,051 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-25 16:09:02,054 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-25 16:09:02,057 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-25 16:09:02,062 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-25 16:09:02,063 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-25 16:09:02,064 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-02-25 16:09:02,094 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 [2019-02-25 16:09:02,107 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-25 16:09:02,108 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-25 16:09:02,108 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-25 16:09:02,109 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-25 16:09:02,109 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-25 16:09:02,109 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-25 16:09:02,109 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-25 16:09:02,109 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-25 16:09:02,110 INFO L133 SettingsManager]: * Explicit value domain=true [2019-02-25 16:09:02,110 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-25 16:09:02,110 INFO L133 SettingsManager]: * Octagon Domain=false [2019-02-25 16:09:02,110 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-02-25 16:09:02,110 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-25 16:09:02,111 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-25 16:09:02,111 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-25 16:09:02,111 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-25 16:09:02,112 INFO L133 SettingsManager]: * Use SBE=true [2019-02-25 16:09:02,112 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-25 16:09:02,112 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-25 16:09:02,112 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-25 16:09:02,112 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-25 16:09:02,113 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-25 16:09:02,113 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-25 16:09:02,113 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-25 16:09:02,113 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-25 16:09:02,113 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-25 16:09:02,114 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-25 16:09:02,114 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-25 16:09:02,114 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-25 16:09:02,114 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-25 16:09:02,114 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-25 16:09:02,115 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-25 16:09:02,115 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-25 16:09:02,115 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-25 16:09:02,115 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-25 16:09:02,115 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-25 16:09:02,116 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-25 16:09:02,116 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-25 16:09:02,116 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-25 16:09:02,116 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-25 16:09:02,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-25 16:09:02,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-25 16:09:02,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-25 16:09:02,163 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-25 16:09:02,163 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-25 16:09:02,164 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified02.bpl [2019-02-25 16:09:02,165 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified02.bpl' [2019-02-25 16:09:02,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-25 16:09:02,208 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-25 16:09:02,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-25 16:09:02,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-25 16:09:02,209 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-25 16:09:02,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:02" (1/1) ... [2019-02-25 16:09:02,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:02" (1/1) ... [2019-02-25 16:09:02,252 WARN L165 Inliner]: Program contained no entry procedure! [2019-02-25 16:09:02,252 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-02-25 16:09:02,253 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-02-25 16:09:02,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-25 16:09:02,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-25 16:09:02,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-25 16:09:02,274 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-25 16:09:02,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:02" (1/1) ... [2019-02-25 16:09:02,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:02" (1/1) ... [2019-02-25 16:09:02,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:02" (1/1) ... [2019-02-25 16:09:02,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:02" (1/1) ... [2019-02-25 16:09:02,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:02" (1/1) ... [2019-02-25 16:09:02,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:02" (1/1) ... [2019-02-25 16:09:02,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:02" (1/1) ... [2019-02-25 16:09:02,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-25 16:09:02,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-25 16:09:02,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-25 16:09:02,308 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-25 16:09:02,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.02 04:09:02" (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 [2019-02-25 16:09:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-02-25 16:09:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-02-25 16:09:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure ~malloc [2019-02-25 16:09:02,604 INFO L278 CfgBuilder]: Using library mode [2019-02-25 16:09:02,605 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-02-25 16:09:02,606 INFO L202 PluginConnector]: Adding new model PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.02 04:09:02 BoogieIcfgContainer [2019-02-25 16:09:02,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-25 16:09:02,607 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-25 16:09:02,608 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-25 16:09:02,608 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-25 16:09:02,611 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.02 04:09:02" (1/1) ... [2019-02-25 16:09:02,689 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-25 16:09:04,726 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-25 16:09:04,744 INFO L272 AbstractInterpreter]: Visited 9 different actions 33 times. Merged at 7 different actions 21 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-02-25 16:09:04,746 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-25 16:09:04,747 INFO L168 Benchmark]: Toolchain (without parser) took 2540.74 ms. Allocated memory was 139.5 MB in the beginning and 246.4 MB in the end (delta: 107.0 MB). Free memory was 107.0 MB in the beginning and 177.5 MB in the end (delta: -70.6 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2019-02-25 16:09:04,750 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-25 16:09:04,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.60 ms. Allocated memory is still 139.5 MB. Free memory was 106.8 MB in the beginning and 104.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-02-25 16:09:04,752 INFO L168 Benchmark]: Boogie Preprocessor took 33.20 ms. Allocated memory is still 139.5 MB. Free memory was 104.4 MB in the beginning and 103.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-02-25 16:09:04,753 INFO L168 Benchmark]: RCFGBuilder took 299.44 ms. Allocated memory is still 139.5 MB. Free memory was 103.3 MB in the beginning and 93.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-02-25 16:09:04,754 INFO L168 Benchmark]: Abstract Interpretation took 2139.13 ms. Allocated memory was 139.5 MB in the beginning and 246.4 MB in the end (delta: 107.0 MB). Free memory was 93.1 MB in the beginning and 177.5 MB in the end (delta: -84.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-02-25 16:09:04,760 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 0.19 ms. Allocated memory is still 139.5 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.60 ms. Allocated memory is still 139.5 MB. Free memory was 106.8 MB in the beginning and 104.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.20 ms. Allocated memory is still 139.5 MB. Free memory was 104.4 MB in the beginning and 103.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 299.44 ms. Allocated memory is still 139.5 MB. Free memory was 103.3 MB in the beginning and 93.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2139.13 ms. Allocated memory was 139.5 MB in the beginning and 246.4 MB in the end (delta: 107.0 MB). Free memory was 93.1 MB in the beginning and 177.5 MB in the end (delta: -84.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 17]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L39-L44] modifies #valid, #length; [L39] ensures old(#valid)[#res!base] == false; [L39-L40] ensures #valid == old(#valid)[#res!base := true]; [L39-L41] ensures #res!offset == 0; [L39-L42] ensures #res!base != 0; [L39-L43] ensures #length == old(#length)[#res!base := ~size]; [L12] q := p; [L15] #t~short2 := q!offset < p!offset + 400; [L16] COND TRUE #t~short2 [L17] assert 4 + q!offset <= #length[q!base]; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...