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_oct.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1de736e-m [2019-02-14 17:05:49,320 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-14 17:05:49,323 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-14 17:05:49,335 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-14 17:05:49,335 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-14 17:05:49,336 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-14 17:05:49,338 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-14 17:05:49,340 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-14 17:05:49,342 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-14 17:05:49,342 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-14 17:05:49,343 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-02-14 17:05:49,378 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_oct.epf [2019-02-14 17:05:49,391 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-14 17:05:49,391 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-14 17:05:49,392 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-14 17:05:49,392 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-14 17:05:49,393 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-14 17:05:49,393 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-14 17:05:49,393 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-14 17:05:49,393 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-14 17:05:49,393 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-14 17:05:49,394 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-02-14 17:05:49,394 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2019-02-14 17:05:49,394 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-14 17:05:49,394 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-14 17:05:49,395 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-14 17:05:49,395 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-14 17:05:49,395 INFO L133 SettingsManager]: * Use SBE=true [2019-02-14 17:05:49,396 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-14 17:05:49,396 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-14 17:05:49,396 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-14 17:05:49,396 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-14 17:05:49,397 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-14 17:05:49,397 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-14 17:05:49,397 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-14 17:05:49,397 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-14 17:05:49,397 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-14 17:05:49,398 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-14 17:05:49,398 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-14 17:05:49,398 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-14 17:05:49,398 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-14 17:05:49,399 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-14 17:05:49,399 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-14 17:05:49,399 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-14 17:05:49,399 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-14 17:05:49,399 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-14 17:05:49,400 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-14 17:05:49,400 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-14 17:05:49,400 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-14 17:05:49,400 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-14 17:05:49,400 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-14 17:05:49,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-14 17:05:49,446 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-14 17:05:49,453 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-14 17:05:49,455 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-14 17:05:49,456 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-14 17:05:49,456 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl [2019-02-14 17:05:49,457 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit01.bpl' [2019-02-14 17:05:49,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-14 17:05:49,502 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-14 17:05:49,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-14 17:05:49,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-14 17:05:49,503 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-14 17:05:49,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:49" (1/1) ... [2019-02-14 17:05:49,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:49" (1/1) ... [2019-02-14 17:05:49,539 WARN L165 Inliner]: Program contained no entry procedure! [2019-02-14 17:05:49,539 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-02-14 17:05:49,540 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-02-14 17:05:49,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-14 17:05:49,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-14 17:05:49,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-14 17:05:49,544 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-14 17:05:49,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:49" (1/1) ... [2019-02-14 17:05:49,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:49" (1/1) ... [2019-02-14 17:05:49,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:49" (1/1) ... [2019-02-14 17:05:49,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:49" (1/1) ... [2019-02-14 17:05:49,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:49" (1/1) ... [2019-02-14 17:05:49,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:49" (1/1) ... [2019-02-14 17:05:49,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:49" (1/1) ... [2019-02-14 17:05:49,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-14 17:05:49,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-14 17:05:49,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-14 17:05:49,575 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-14 17:05:49,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.02 05:05:49" (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 [2019-02-14 17:05:49,651 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-02-14 17:05:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-02-14 17:05:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-02-14 17:05:49,882 INFO L278 CfgBuilder]: Using library mode [2019-02-14 17:05:49,882 INFO L286 CfgBuilder]: Removed 0 assue(true) statements. [2019-02-14 17:05:49,884 INFO L202 PluginConnector]: Adding new model ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 05:05:49 BoogieIcfgContainer [2019-02-14 17:05:49,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-14 17:05:49,890 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-14 17:05:49,890 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-14 17:05:49,890 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-14 17:05:49,892 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ArrayInit01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 05:05:49" (1/1) ... [2019-02-14 17:05:50,015 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-14 17:05:50,593 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-14 17:05:50,615 INFO L272 AbstractInterpreter]: Visited 6 different actions 23 times. Merged at 5 different actions 16 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-02-14 17:05:50,618 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-14 17:05:50,620 INFO L168 Benchmark]: Toolchain (without parser) took 1118.93 ms. Allocated memory is still 138.4 MB. Free memory was 106.0 MB in the beginning and 70.8 MB in the end (delta: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2019-02-14 17:05:50,622 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-14 17:05:50,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.02 ms. Allocated memory is still 138.4 MB. Free memory was 105.8 MB in the beginning and 104.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-02-14 17:05:50,624 INFO L168 Benchmark]: Boogie Preprocessor took 30.20 ms. Allocated memory is still 138.4 MB. Free memory was 104.0 MB in the beginning and 102.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-02-14 17:05:50,625 INFO L168 Benchmark]: RCFGBuilder took 309.66 ms. Allocated memory is still 138.4 MB. Free memory was 102.8 MB in the beginning and 92.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-02-14 17:05:50,626 INFO L168 Benchmark]: Abstract Interpretation took 728.32 ms. Allocated memory is still 138.4 MB. Free memory was 92.8 MB in the beginning and 70.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-02-14 17:05:50,631 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 0.25 ms. Allocated memory is still 138.4 MB. Free memory is still 107.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.02 ms. Allocated memory is still 138.4 MB. Free memory was 105.8 MB in the beginning and 104.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.20 ms. Allocated memory is still 138.4 MB. Free memory was 104.0 MB in the beginning and 102.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 309.66 ms. Allocated memory is still 138.4 MB. Free memory was 102.8 MB in the beginning and 92.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 728.32 ms. Allocated memory is still 138.4 MB. Free memory was 92.8 MB in the beginning and 70.8 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 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: [L26] i := 0; [L27] assume j == i; [L29] COND TRUE i < n [L30] a[i] := 0; [L31] i := i + 1; [L29] COND FALSE !(i < n) [L33] assume 0 <= r && r < n; [L34] assert a[r] == 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...