java -ea -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/ValueTerminatedArrayIteration01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f57a05f [2019-01-07 19:59:55,542 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 19:59:55,544 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 19:59:55,563 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-07 19:59:55,563 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-07 19:59:55,565 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-07 19:59:55,567 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-07 19:59:55,570 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-07 19:59:55,572 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-07 19:59:55,574 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-07 19:59:55,575 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-07 19:59:55,624 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 [2019-01-07 19:59:55,654 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 19:59:55,654 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 19:59:55,655 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 19:59:55,655 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 19:59:55,656 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 19:59:55,656 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 19:59:55,656 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 19:59:55,656 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 19:59:55,656 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 19:59:55,659 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-07 19:59:55,659 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-07 19:59:55,659 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 19:59:55,659 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 19:59:55,660 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 19:59:55,660 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 19:59:55,661 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 19:59:55,661 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 19:59:55,661 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 19:59:55,661 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 19:59:55,664 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 19:59:55,665 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 19:59:55,665 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 19:59:55,665 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 19:59:55,665 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 19:59:55,666 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 19:59:55,666 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 19:59:55,666 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 19:59:55,666 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 19:59:55,667 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 19:59:55,667 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 19:59:55,667 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 19:59:55,667 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 19:59:55,668 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 19:59:55,668 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 19:59:55,668 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 19:59:55,668 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 19:59:55,668 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 19:59:55,670 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 19:59:55,670 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 19:59:55,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 19:59:55,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 19:59:55,756 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 19:59:55,758 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 19:59:55,759 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 19:59:55,760 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ValueTerminatedArrayIteration01.bpl [2019-01-07 19:59:55,760 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ValueTerminatedArrayIteration01.bpl' [2019-01-07 19:59:55,805 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 19:59:55,807 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 19:59:55,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 19:59:55,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 19:59:55,809 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 19:59:55,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:59:55" (1/1) ... [2019-01-07 19:59:55,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:59:55" (1/1) ... [2019-01-07 19:59:55,849 WARN L165 Inliner]: Program contained no entry procedure! [2019-01-07 19:59:55,850 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-01-07 19:59:55,850 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-01-07 19:59:55,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 19:59:55,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 19:59:55,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 19:59:55,854 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 19:59:55,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:59:55" (1/1) ... [2019-01-07 19:59:55,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:59:55" (1/1) ... [2019-01-07 19:59:55,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:59:55" (1/1) ... [2019-01-07 19:59:55,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:59:55" (1/1) ... [2019-01-07 19:59:55,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:59:55" (1/1) ... [2019-01-07 19:59:55,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:59:55" (1/1) ... [2019-01-07 19:59:55,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:59:55" (1/1) ... [2019-01-07 19:59:55,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 19:59:55,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 19:59:55,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 19:59:55,882 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 19:59:55,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:59:55" (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 [2019-01-07 19:59:55,951 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-01-07 19:59:55,952 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-07 19:59:55,952 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-07 19:59:56,238 INFO L278 CfgBuilder]: Using library mode [2019-01-07 19:59:56,239 INFO L286 CfgBuilder]: Removed 0 assue(true) statements. [2019-01-07 19:59:56,240 INFO L202 PluginConnector]: Adding new model ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 07:59:56 BoogieIcfgContainer [2019-01-07 19:59:56,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 19:59:56,241 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-07 19:59:56,241 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-07 19:59:56,242 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-07 19:59:56,242 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 07:59:56" (1/1) ... [2019-01-07 19:59:56,299 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 20:00:20,550 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 20:00:20,571 INFO L272 AbstractInterpreter]: Visited 6 different actions 35 times. Merged at 5 different actions 27 times. Widened at 1 different actions 4 times. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-01-07 20:00:20,573 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-07 20:00:20,575 INFO L168 Benchmark]: Toolchain (without parser) took 24768.74 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 360.2 MB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -136.5 MB). Peak memory consumption was 223.7 MB. Max. memory is 7.1 GB. [2019-01-07 20:00:20,578 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 20:00:20,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.81 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 20:00:20,579 INFO L168 Benchmark]: Boogie Preprocessor took 27.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 20:00:20,580 INFO L168 Benchmark]: RCFGBuilder took 359.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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. [2019-01-07 20:00:20,581 INFO L168 Benchmark]: Abstract Interpretation took 24332.57 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 360.2 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -157.7 MB). Peak memory consumption was 202.5 MB. Max. memory is 7.1 GB. [2019-01-07 20:00:20,586 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.81 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 359.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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 24332.57 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 360.2 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -157.7 MB). Peak memory consumption was 202.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 20]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L14] assume end >= 0; [L15] a[end] := 42; [L16] i := 0; [L17] COND TRUE a[i] != 42 [L18] i := i + 1; [L17] COND FALSE !(a[i] != 42) [L20] assert i <= end; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...