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.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a9d37a5-m [2019-02-28 11:53:45,370 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-28 11:53:45,372 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-28 11:53:45,386 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-28 11:53:45,387 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-28 11:53:45,388 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-28 11:53:45,389 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-28 11:53:45,392 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-28 11:53:45,393 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-28 11:53:45,395 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-28 11:53:45,396 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-02-28 11:53:45,396 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-02-28 11:53:45,397 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-02-28 11:53:45,398 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-02-28 11:53:45,399 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-02-28 11:53:45,400 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-02-28 11:53:45,401 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-02-28 11:53:45,403 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-02-28 11:53:45,406 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-02-28 11:53:45,407 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-02-28 11:53:45,409 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-02-28 11:53:45,411 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-02-28 11:53:45,414 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-02-28 11:53:45,414 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-02-28 11:53:45,414 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-02-28 11:53:45,416 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-02-28 11:53:45,417 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-02-28 11:53:45,418 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-02-28 11:53:45,419 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-02-28 11:53:45,420 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-02-28 11:53:45,421 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-02-28 11:53:45,421 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2019-02-28 11:53:45,424 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 [2019-02-28 11:53:45,439 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-28 11:53:45,440 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-28 11:53:45,441 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-28 11:53:45,441 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-28 11:53:45,441 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-28 11:53:45,441 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-28 11:53:45,442 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-28 11:53:45,442 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-28 11:53:45,442 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-28 11:53:45,442 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-02-28 11:53:45,442 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-02-28 11:53:45,443 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-28 11:53:45,443 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-28 11:53:45,444 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-28 11:53:45,444 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-28 11:53:45,445 INFO L133 SettingsManager]: * Use SBE=true [2019-02-28 11:53:45,445 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-28 11:53:45,445 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-28 11:53:45,445 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-28 11:53:45,445 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-28 11:53:45,446 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-28 11:53:45,446 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-28 11:53:45,446 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-28 11:53:45,446 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-28 11:53:45,447 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-28 11:53:45,447 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-28 11:53:45,447 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-28 11:53:45,447 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-28 11:53:45,447 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-28 11:53:45,448 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-28 11:53:45,448 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:16092 -smt2 -in -t:200000 [2019-02-28 11:53:45,448 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-28 11:53:45,449 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-28 11:53:45,449 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-28 11:53:45,449 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-28 11:53:45,449 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-28 11:53:45,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:16092 -smt2 -in [2019-02-28 11:53:45,450 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-28 11:53:45,450 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-28 11:53:45,483 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-28 11:53:45,498 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-28 11:53:45,502 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-28 11:53:45,505 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-28 11:53:45,505 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-28 11:53:45,506 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement.bpl [2019-02-28 11:53:45,507 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement.bpl' [2019-02-28 11:53:45,580 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-28 11:53:45,583 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-28 11:53:45,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-28 11:53:45,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-28 11:53:45,584 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-28 11:53:45,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:45" (1/1) ... [2019-02-28 11:53:45,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:45" (1/1) ... [2019-02-28 11:53:45,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-28 11:53:45,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-28 11:53:45,661 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-28 11:53:45,661 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-28 11:53:45,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:45" (1/1) ... [2019-02-28 11:53:45,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:45" (1/1) ... [2019-02-28 11:53:45,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:45" (1/1) ... [2019-02-28 11:53:45,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:45" (1/1) ... [2019-02-28 11:53:45,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:45" (1/1) ... [2019-02-28 11:53:45,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:45" (1/1) ... [2019-02-28 11:53:45,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:45" (1/1) ... [2019-02-28 11:53:45,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-28 11:53:45,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-28 11:53:45,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-28 11:53:45,698 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-28 11:53:45,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 11:53:45" (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:16092 -smt2 -in -t:200000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:16092 -smt2 -in -t:200000 [2019-02-28 11:53:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-28 11:53:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-28 11:53:46,209 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-28 11:53:46,210 INFO L286 CfgBuilder]: Removed 9 assue(true) statements. [2019-02-28 11:53:46,212 INFO L202 PluginConnector]: Adding new model PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 11:53:46 BoogieIcfgContainer [2019-02-28 11:53:46,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-28 11:53:46,213 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-28 11:53:46,213 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-28 11:53:46,213 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-28 11:53:46,214 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 11:53:46" (1/1) ... [2019-02-28 11:53:46,288 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-28 11:55:13,174 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-28 11:55:13,192 INFO L272 AbstractInterpreter]: Visited 15 different actions 184 times. Merged at 12 different actions 143 times. Widened at 2 different actions 18 times. Found 7 fixpoints after 2 different actions. Largest state had 0 variables. [2019-02-28 11:55:13,195 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-28 11:55:13,200 INFO L168 Benchmark]: Toolchain (without parser) took 87615.11 ms. Allocated memory was 136.3 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 111.1 MB in the beginning and 834.1 MB in the end (delta: -723.0 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2019-02-28 11:55:13,202 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.27 ms. Allocated memory is still 136.3 MB. Free memory is still 112.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-28 11:55:13,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.41 ms. Allocated memory is still 136.3 MB. Free memory was 111.1 MB in the beginning and 108.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-02-28 11:55:13,205 INFO L168 Benchmark]: Boogie Preprocessor took 35.70 ms. Allocated memory is still 136.3 MB. Free memory was 108.9 MB in the beginning and 107.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-02-28 11:55:13,206 INFO L168 Benchmark]: RCFGBuilder took 514.70 ms. Allocated memory is still 136.3 MB. Free memory was 107.7 MB in the beginning and 96.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-02-28 11:55:13,209 INFO L168 Benchmark]: Abstract Interpretation took 86982.45 ms. Allocated memory was 136.3 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 96.2 MB in the beginning and 834.1 MB in the end (delta: -737.9 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2019-02-28 11:55:13,214 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 0.27 ms. Allocated memory is still 136.3 MB. Free memory is still 112.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 76.41 ms. Allocated memory is still 136.3 MB. Free memory was 111.1 MB in the beginning and 108.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.70 ms. Allocated memory is still 136.3 MB. Free memory was 108.9 MB in the beginning and 107.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 514.70 ms. Allocated memory is still 136.3 MB. Free memory was 107.7 MB in the beginning and 96.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 86982.45 ms. Allocated memory was 136.3 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 96.2 MB in the beginning and 834.1 MB in the end (delta: -737.9 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 58]: Unable to prove that procedure precondition always holds and assertion always holds Unable to prove that procedure precondition always holds and assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L37] #NULL := { base: 0, offset: 0 }; [L38] #valid[0] := false; [L71-L76] modifies #valid, #length; [L71] ensures old(#valid)[#res!base] == false; [L71-L72] ensures #valid == old(#valid)[#res!base := true]; [L71-L73] ensures #res!offset == 0; [L71-L74] ensures #res!base != 0; [L71-L75] ensures #length == old(#length)[#res!base := ~size]; [L10] ~p~1 := #t~malloc0; [L11] ~q~1 := ~p~1; [L14] #t~short2 := ~q~1!offset < { base: ~p~1!base, offset: ~p~1!offset + 400 }!offset; [L15] COND TRUE #t~short2 [L58] requires #valid[#ptr!base]; - UnprovableResult [Line: 58]: Unable to prove that procedure precondition always holds and assertion always holds Unable to prove that procedure precondition always holds and assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L37] #NULL := { base: 0, offset: 0 }; [L38] #valid[0] := false; [L71-L76] modifies #valid, #length; [L71] ensures old(#valid)[#res!base] == false; [L71-L72] ensures #valid == old(#valid)[#res!base := true]; [L71-L73] ensures #res!offset == 0; [L71-L74] ensures #res!base != 0; [L71-L75] ensures #length == old(#length)[#res!base := ~size]; [L10] ~p~1 := #t~malloc0; [L11] ~q~1 := ~p~1; [L14] #t~short2 := ~q~1!offset < { base: ~p~1!base, offset: ~p~1!offset + 400 }!offset; [L15] COND TRUE #t~short2 [L58] requires #valid[#ptr!base]; [L58-L59] requires #sizeOfReadType + #ptr!offset <= #length[#ptr!base]; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...