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_compound_oct_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1de736e-m [2019-02-15 11:39:38,686 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-15 11:39:38,688 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-15 11:39:38,701 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-15 11:39:38,702 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-15 11:39:38,703 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-15 11:39:38,704 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-15 11:39:38,706 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-15 11:39:38,708 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-15 11:39:38,709 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-15 11:39:38,710 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-02-15 11:39:38,710 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-02-15 11:39:38,711 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-02-15 11:39:38,712 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-02-15 11:39:38,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-02-15 11:39:38,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-02-15 11:39:38,716 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-02-15 11:39:38,720 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-02-15 11:39:38,722 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-02-15 11:39:38,724 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-02-15 11:39:38,729 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-02-15 11:39:38,730 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-02-15 11:39:38,737 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-02-15 11:39:38,737 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-02-15 11:39:38,738 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-02-15 11:39:38,739 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-02-15 11:39:38,740 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-02-15 11:39:38,740 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-02-15 11:39:38,741 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-02-15 11:39:38,742 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-02-15 11:39:38,742 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-02-15 11:39:38,743 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-02-15 11:39:38,743 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-02-15 11:39:38,743 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-02-15 11:39:38,744 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-02-15 11:39:38,745 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-02-15 11:39:38,746 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_oct_cong.epf [2019-02-15 11:39:38,758 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-15 11:39:38,759 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-15 11:39:38,760 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-15 11:39:38,760 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-15 11:39:38,760 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-15 11:39:38,760 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-15 11:39:38,760 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-15 11:39:38,761 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-15 11:39:38,761 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-15 11:39:38,761 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-02-15 11:39:38,761 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-15 11:39:38,761 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-15 11:39:38,762 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-15 11:39:38,762 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-15 11:39:38,763 INFO L133 SettingsManager]: * Use SBE=true [2019-02-15 11:39:38,763 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-15 11:39:38,763 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-15 11:39:38,763 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-15 11:39:38,763 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-15 11:39:38,764 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-15 11:39:38,764 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-15 11:39:38,764 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-15 11:39:38,764 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-15 11:39:38,764 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-15 11:39:38,764 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-15 11:39:38,765 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-15 11:39:38,765 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-15 11:39:38,765 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-15 11:39:38,765 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-15 11:39:38,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-15 11:39:38,766 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-15 11:39:38,766 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-15 11:39:38,766 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-15 11:39:38,766 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-15 11:39:38,766 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-15 11:39:38,767 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-15 11:39:38,767 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-15 11:39:38,767 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-15 11:39:38,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-15 11:39:38,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-15 11:39:38,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-15 11:39:38,819 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-15 11:39:38,819 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-15 11:39:38,822 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl [2019-02-15 11:39:38,822 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl' [2019-02-15 11:39:38,865 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-15 11:39:38,867 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-15 11:39:38,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-15 11:39:38,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-15 11:39:38,868 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-15 11:39:38,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:38" (1/1) ... [2019-02-15 11:39:38,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:38" (1/1) ... [2019-02-15 11:39:38,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-15 11:39:38,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-15 11:39:38,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-15 11:39:38,906 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-15 11:39:38,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:38" (1/1) ... [2019-02-15 11:39:38,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:38" (1/1) ... [2019-02-15 11:39:38,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:38" (1/1) ... [2019-02-15 11:39:38,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:38" (1/1) ... [2019-02-15 11:39:38,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:38" (1/1) ... [2019-02-15 11:39:38,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:38" (1/1) ... [2019-02-15 11:39:38,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:38" (1/1) ... [2019-02-15 11:39:38,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-15 11:39:38,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-15 11:39:38,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-15 11:39:38,929 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-15 11:39:38,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.02 11:39:38" (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 [2019-02-15 11:39:38,993 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-02-15 11:39:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-15 11:39:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-15 11:39:39,277 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-15 11:39:39,277 INFO L286 CfgBuilder]: Removed 0 assue(true) statements. [2019-02-15 11:39:39,278 INFO L202 PluginConnector]: Adding new model ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:39:39 BoogieIcfgContainer [2019-02-15 11:39:39,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-15 11:39:39,279 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-15 11:39:39,280 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-15 11:39:39,280 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-15 11:39:39,281 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:39:39" (1/1) ... [2019-02-15 11:39:39,331 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-15 11:39:39,695 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-15 11:39:39,713 INFO L272 AbstractInterpreter]: Visited 16 different actions 144 times. Merged at 14 different actions 95 times. Widened at 3 different actions 10 times. Performed 302 root evaluator evaluations with a maximum evaluation depth of 3. Performed 302 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 28 fixpoints after 8 different actions. Largest state had 0 variables. [2019-02-15 11:39:39,716 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-15 11:39:39,717 INFO L168 Benchmark]: Toolchain (without parser) took 851.10 ms. Allocated memory is still 140.5 MB. Free memory was 108.1 MB in the beginning and 76.9 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 7.1 GB. [2019-02-15 11:39:39,719 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.33 ms. Allocated memory is still 140.5 MB. Free memory is still 108.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-15 11:39:39,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.71 ms. Allocated memory is still 140.5 MB. Free memory was 107.6 MB in the beginning and 106.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-02-15 11:39:39,721 INFO L168 Benchmark]: Boogie Preprocessor took 22.96 ms. Allocated memory is still 140.5 MB. Free memory was 106.0 MB in the beginning and 105.1 MB in the end (delta: 900.1 kB). Peak memory consumption was 900.1 kB. Max. memory is 7.1 GB. [2019-02-15 11:39:39,722 INFO L168 Benchmark]: RCFGBuilder took 350.34 ms. Allocated memory is still 140.5 MB. Free memory was 105.1 MB in the beginning and 95.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-02-15 11:39:39,724 INFO L168 Benchmark]: Abstract Interpretation took 436.43 ms. Allocated memory is still 140.5 MB. Free memory was 95.3 MB in the beginning and 76.9 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-02-15 11:39:39,734 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 0.33 ms. Allocated memory is still 140.5 MB. Free memory is still 108.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 36.71 ms. Allocated memory is still 140.5 MB. Free memory was 107.6 MB in the beginning and 106.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.96 ms. Allocated memory is still 140.5 MB. Free memory was 106.0 MB in the beginning and 105.1 MB in the end (delta: 900.1 kB). Peak memory consumption was 900.1 kB. Max. memory is 7.1 GB. * RCFGBuilder took 350.34 ms. Allocated memory is still 140.5 MB. Free memory was 105.1 MB in the beginning and 95.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 436.43 ms. Allocated memory is still 140.5 MB. Free memory was 95.3 MB in the beginning and 76.9 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 34]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L19] i := 0; [L20] COND TRUE i < n [L21] COND TRUE i == genericIndex1ForA [L22] genericCell1ForA := 23; [L24] i := i + 1; [L20] COND FALSE !(i < n) [L26] j := 0; [L27] COND TRUE j < n [L28] havoc readAuxVar; [L29] COND TRUE j == genericIndex1ForA [L30] readAuxVar := genericCell1ForA; [L32] COND TRUE readAuxVar != 23 [L33] assume genericIndex1ForA == j; [L34] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...