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_compound_exp_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b7bd044-m [2019-01-18 18:22:54,240 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-18 18:22:54,243 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-18 18:22:54,255 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-01-18 18:22:54,292 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf [2019-01-18 18:22:54,321 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-18 18:22:54,321 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-18 18:22:54,323 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-18 18:22:54,324 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-18 18:22:54,324 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-18 18:22:54,324 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-18 18:22:54,324 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-18 18:22:54,325 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-18 18:22:54,325 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-18 18:22:54,325 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-18 18:22:54,325 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-18 18:22:54,325 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-18 18:22:54,326 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-18 18:22:54,328 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-18 18:22:54,329 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-18 18:22:54,329 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-18 18:22:54,330 INFO L133 SettingsManager]: * Use SBE=true [2019-01-18 18:22:54,330 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-18 18:22:54,330 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-18 18:22:54,330 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-18 18:22:54,331 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-18 18:22:54,332 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-18 18:22:54,332 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-18 18:22:54,333 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-18 18:22:54,333 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-18 18:22:54,333 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-18 18:22:54,333 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-18 18:22:54,333 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-18 18:22:54,334 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-18 18:22:54,335 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-18 18:22:54,335 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-18 18:22:54,335 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-18 18:22:54,336 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-18 18:22:54,336 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-18 18:22:54,336 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-18 18:22:54,336 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-18 18:22:54,336 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-18 18:22:54,336 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-18 18:22:54,337 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-18 18:22:54,337 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-18 18:22:54,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-18 18:22:54,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-18 18:22:54,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-18 18:22:54,395 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-18 18:22:54,395 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-18 18:22:54,396 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl [2019-01-18 18:22:54,397 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl' [2019-01-18 18:22:54,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-18 18:22:54,445 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-18 18:22:54,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-18 18:22:54,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-18 18:22:54,446 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-18 18:22:54,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:22:54" (1/1) ... [2019-01-18 18:22:54,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:22:54" (1/1) ... [2019-01-18 18:22:54,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-18 18:22:54,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-18 18:22:54,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-18 18:22:54,485 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-18 18:22:54,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:22:54" (1/1) ... [2019-01-18 18:22:54,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:22:54" (1/1) ... [2019-01-18 18:22:54,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:22:54" (1/1) ... [2019-01-18 18:22:54,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:22:54" (1/1) ... [2019-01-18 18:22:54,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:22:54" (1/1) ... [2019-01-18 18:22:54,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:22:54" (1/1) ... [2019-01-18 18:22:54,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:22:54" (1/1) ... [2019-01-18 18:22:54,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-18 18:22:54,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-18 18:22:54,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-18 18:22:54,516 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-18 18:22:54,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 18.01 06:22:54" (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 [2019-01-18 18:22:54,594 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-01-18 18:22:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-18 18:22:54,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-18 18:22:54,927 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-18 18:22:54,927 INFO L286 CfgBuilder]: Removed 0 assue(true) statements. [2019-01-18 18:22:54,929 INFO L202 PluginConnector]: Adding new model ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 06:22:54 BoogieIcfgContainer [2019-01-18 18:22:54,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-18 18:22:54,930 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-18 18:22:54,930 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-18 18:22:54,931 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-18 18:22:54,932 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.01 06:22:54" (1/1) ... [2019-01-18 18:22:54,969 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-18 18:22:55,262 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-18 18:22:55,280 INFO L272 AbstractInterpreter]: Visited 16 different actions 59 times. Merged at 14 different actions 32 times. Widened at 1 different actions 1 times. Found 13 fixpoints after 6 different actions. Largest state had 0 variables. [2019-01-18 18:22:55,282 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-18 18:22:55,283 INFO L168 Benchmark]: Toolchain (without parser) took 839.23 ms. Allocated memory is still 138.9 MB. Free memory was 105.3 MB in the beginning and 77.2 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-01-18 18:22:55,285 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-18 18:22:55,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.60 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 103.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-01-18 18:22:55,288 INFO L168 Benchmark]: Boogie Preprocessor took 30.57 ms. Allocated memory is still 138.9 MB. Free memory was 103.4 MB in the beginning and 102.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-01-18 18:22:55,289 INFO L168 Benchmark]: RCFGBuilder took 413.33 ms. Allocated memory is still 138.9 MB. Free memory was 102.3 MB in the beginning and 92.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-01-18 18:22:55,290 INFO L168 Benchmark]: Abstract Interpretation took 352.42 ms. Allocated memory is still 138.9 MB. Free memory was 92.4 MB in the beginning and 77.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-01-18 18:22:55,296 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 0.20 ms. Allocated memory is still 138.9 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.60 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 103.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.57 ms. Allocated memory is still 138.9 MB. Free memory was 103.4 MB in the beginning and 102.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 413.33 ms. Allocated memory is still 138.9 MB. Free memory was 102.3 MB in the beginning and 92.6 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 352.42 ms. Allocated memory is still 138.9 MB. Free memory was 92.4 MB in the beginning and 77.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 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 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...