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-simplified02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-e1a14da [2018-12-24 15:29:14,536 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-24 15:29:14,540 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-24 15:29:14,558 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-24 15:29:14,558 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-24 15:29:14,560 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-24 15:29:14,561 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-24 15:29:14,563 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-24 15:29:14,565 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-24 15:29:14,566 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-24 15:29:14,569 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-24 15:29:14,570 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-24 15:29:14,571 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-24 15:29:14,572 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-24 15:29:14,576 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-24 15:29:14,577 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-24 15:29:14,585 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-24 15:29:14,588 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-24 15:29:14,590 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-24 15:29:14,592 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-24 15:29:14,593 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-24 15:29:14,594 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-24 15:29:14,596 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-24 15:29:14,597 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-24 15:29:14,597 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-24 15:29:14,598 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-24 15:29:14,599 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-24 15:29:14,600 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-24 15:29:14,600 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-24 15:29:14,601 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-24 15:29:14,602 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-24 15:29:14,602 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-24 15:29:14,603 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-24 15:29:14,603 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-24 15:29:14,604 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-24 15:29:14,605 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-24 15:29:14,605 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 15:29:14,619 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-24 15:29:14,619 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-24 15:29:14,620 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2018-12-24 15:29:14,620 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2018-12-24 15:29:14,620 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-24 15:29:14,621 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-24 15:29:14,621 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2018-12-24 15:29:14,621 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-24 15:29:14,621 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-24 15:29:14,621 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2018-12-24 15:29:14,622 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2018-12-24 15:29:14,622 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-24 15:29:14,622 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-24 15:29:14,623 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-24 15:29:14,623 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-24 15:29:14,623 INFO L133 SettingsManager]: * Use SBE=true [2018-12-24 15:29:14,623 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-24 15:29:14,624 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-24 15:29:14,624 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-24 15:29:14,624 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-24 15:29:14,624 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-24 15:29:14,624 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-24 15:29:14,625 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-24 15:29:14,625 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-24 15:29:14,625 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-24 15:29:14,625 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-24 15:29:14,625 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-24 15:29:14,626 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-24 15:29:14,626 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-24 15:29:14,626 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-24 15:29:14,626 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-24 15:29:14,627 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-24 15:29:14,627 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-24 15:29:14,627 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-24 15:29:14,627 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-24 15:29:14,627 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-24 15:29:14,627 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-24 15:29:14,628 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-24 15:29:14,628 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-12-24 15:29:14,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-24 15:29:14,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-24 15:29:14,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-24 15:29:14,686 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-12-24 15:29:14,686 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-12-24 15:29:14,688 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified02.bpl [2018-12-24 15:29:14,688 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified02.bpl' [2018-12-24 15:29:14,750 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-24 15:29:14,752 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-12-24 15:29:14,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-24 15:29:14,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-24 15:29:14,753 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-24 15:29:14,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:14" (1/1) ... [2018-12-24 15:29:14,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:14" (1/1) ... [2018-12-24 15:29:14,800 WARN L165 Inliner]: Program contained no entry procedure! [2018-12-24 15:29:14,800 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-12-24 15:29:14,801 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-12-24 15:29:14,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-24 15:29:14,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-24 15:29:14,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-24 15:29:14,824 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-24 15:29:14,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:14" (1/1) ... [2018-12-24 15:29:14,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:14" (1/1) ... [2018-12-24 15:29:14,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:14" (1/1) ... [2018-12-24 15:29:14,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:14" (1/1) ... [2018-12-24 15:29:14,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:14" (1/1) ... [2018-12-24 15:29:14,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:14" (1/1) ... [2018-12-24 15:29:14,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:14" (1/1) ... [2018-12-24 15:29:14,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-24 15:29:14,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-24 15:29:14,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-24 15:29:14,859 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-24 15:29:14,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.12 03:29:14" (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 15:29:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-24 15:29:14,939 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-24 15:29:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure ~malloc [2018-12-24 15:29:15,160 INFO L272 CfgBuilder]: Using library mode [2018-12-24 15:29:15,161 INFO L280 CfgBuilder]: Removed 3 assue(true) statements. [2018-12-24 15:29:15,162 INFO L202 PluginConnector]: Adding new model PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 03:29:15 BoogieIcfgContainer [2018-12-24 15:29:15,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-24 15:29:15,163 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-12-24 15:29:15,163 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-12-24 15:29:15,163 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-12-24 15:29:15,164 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 03:29:15" (1/1) ... [2018-12-24 15:29:15,254 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-24 15:30:21,847 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-24 15:30:21,868 INFO L272 AbstractInterpreter]: Visited 9 different actions 105 times. Merged at 7 different actions 75 times. Widened at 1 different actions 9 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2018-12-24 15:30:21,878 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-12-24 15:30:21,879 INFO L168 Benchmark]: Toolchain (without parser) took 67128.18 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -738.4 MB). Peak memory consumption was 574.5 MB. Max. memory is 7.1 GB. [2018-12-24 15:30:21,888 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 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 15:30:21,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.76 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 15:30:21,890 INFO L168 Benchmark]: Boogie Preprocessor took 33.88 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 15:30:21,890 INFO L168 Benchmark]: RCFGBuilder took 303.80 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 15:30:21,893 INFO L168 Benchmark]: Abstract Interpretation took 66715.54 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -759.5 MB). Peak memory consumption was 553.3 MB. Max. memory is 7.1 GB. [2018-12-24 15:30:21,902 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 0.24 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 70.76 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 33.88 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 303.80 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 66715.54 ms. Allocated memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: 1.3 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -759.5 MB). Peak memory consumption was 553.3 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...