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/ValueTerminatedArrayIteration01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f57a05f [2019-01-08 15:50:56,498 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-08 15:50:56,501 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-08 15:50:56,514 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-08 15:50:56,514 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-08 15:50:56,515 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-08 15:50:56,516 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-08 15:50:56,518 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-08 15:50:56,520 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-08 15:50:56,521 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-08 15:50:56,521 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-08 15:50:56,547 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 [2019-01-08 15:50:56,565 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-08 15:50:56,565 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-08 15:50:56,570 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-08 15:50:56,570 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-08 15:50:56,570 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-08 15:50:56,570 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-08 15:50:56,571 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-08 15:50:56,571 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-08 15:50:56,571 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-08 15:50:56,571 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-08 15:50:56,571 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-08 15:50:56,571 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-08 15:50:56,574 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-08 15:50:56,575 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-08 15:50:56,575 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-08 15:50:56,575 INFO L133 SettingsManager]: * Use SBE=true [2019-01-08 15:50:56,576 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-08 15:50:56,576 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-08 15:50:56,576 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-08 15:50:56,576 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-08 15:50:56,576 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-08 15:50:56,576 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-08 15:50:56,578 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-08 15:50:56,578 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-08 15:50:56,578 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-08 15:50:56,579 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-08 15:50:56,579 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-08 15:50:56,579 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-08 15:50:56,580 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-08 15:50:56,580 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-08 15:50:56,580 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in -t:2000 [2019-01-08 15:50:56,580 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-08 15:50:56,580 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-08 15:50:56,580 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-08 15:50:56,581 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-08 15:50:56,581 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-08 15:50:56,581 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in [2019-01-08 15:50:56,581 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-08 15:50:56,581 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-08 15:50:56,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-08 15:50:56,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-08 15:50:56,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-08 15:50:56,664 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-08 15:50:56,665 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-08 15:50:56,666 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ValueTerminatedArrayIteration01.bpl [2019-01-08 15:50:56,666 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ValueTerminatedArrayIteration01.bpl' [2019-01-08 15:50:56,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-08 15:50:56,713 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-08 15:50:56,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-08 15:50:56,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-08 15:50:56,714 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-08 15:50:56,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:56" (1/1) ... [2019-01-08 15:50:56,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:56" (1/1) ... [2019-01-08 15:50:56,751 WARN L165 Inliner]: Program contained no entry procedure! [2019-01-08 15:50:56,752 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-01-08 15:50:56,752 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-01-08 15:50:56,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-08 15:50:56,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-08 15:50:56,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-08 15:50:56,756 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-08 15:50:56,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:56" (1/1) ... [2019-01-08 15:50:56,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:56" (1/1) ... [2019-01-08 15:50:56,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:56" (1/1) ... [2019-01-08 15:50:56,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:56" (1/1) ... [2019-01-08 15:50:56,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:56" (1/1) ... [2019-01-08 15:50:56,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:56" (1/1) ... [2019-01-08 15:50:56,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:56" (1/1) ... [2019-01-08 15:50:56,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-08 15:50:56,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-08 15:50:56,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-08 15:50:56,782 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-08 15:50:56,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:56" (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:8192 -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:8192 -smt2 -in -t:2000 [2019-01-08 15:50:56,871 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-01-08 15:50:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-08 15:50:56,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-08 15:50:57,130 INFO L278 CfgBuilder]: Using library mode [2019-01-08 15:50:57,131 INFO L286 CfgBuilder]: Removed 0 assue(true) statements. [2019-01-08 15:50:57,133 INFO L202 PluginConnector]: Adding new model ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 03:50:57 BoogieIcfgContainer [2019-01-08 15:50:57,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-08 15:50:57,134 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-08 15:50:57,134 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-08 15:50:57,134 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-08 15:50:57,138 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ValueTerminatedArrayIteration01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 03:50:57" (1/1) ... [2019-01-08 15:50:57,196 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-08 15:51:00,102 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-08 15:51:00,125 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. [2019-01-08 15:51:00,128 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-08 15:51:00,130 INFO L168 Benchmark]: Toolchain (without parser) took 3418.31 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 53.0 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 175.9 MB). Peak memory consumption was 228.9 MB. Max. memory is 7.1 GB. [2019-01-08 15:51:00,133 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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. [2019-01-08 15:51:00,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.66 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. [2019-01-08 15:51:00,135 INFO L168 Benchmark]: Boogie Preprocessor took 25.01 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. [2019-01-08 15:51:00,136 INFO L168 Benchmark]: RCFGBuilder took 351.64 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. [2019-01-08 15:51:00,139 INFO L168 Benchmark]: Abstract Interpretation took 2994.84 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 53.0 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 154.8 MB). Peak memory consumption was 207.8 MB. Max. memory is 7.1 GB. [2019-01-08 15:51:00,148 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 0.23 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 41.66 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 25.01 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 351.64 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 2994.84 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 53.0 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 154.8 MB). Peak memory consumption was 207.8 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...