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_oct.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-df3cc4e-m [2019-01-11 11:59:08,251 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-11 11:59:08,253 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-11 11:59:08,265 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-11 11:59:08,266 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-11 11:59:08,267 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-11 11:59:08,268 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-11 11:59:08,270 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-11 11:59:08,272 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-11 11:59:08,273 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-11 11:59:08,274 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-11 11:59:08,309 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_oct.epf [2019-01-11 11:59:08,334 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-11 11:59:08,334 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-11 11:59:08,335 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-11 11:59:08,335 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-11 11:59:08,335 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-11 11:59:08,336 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-11 11:59:08,336 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-11 11:59:08,336 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-11 11:59:08,336 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-11 11:59:08,336 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-11 11:59:08,337 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2019-01-11 11:59:08,337 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-11 11:59:08,338 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-11 11:59:08,338 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-11 11:59:08,339 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-11 11:59:08,339 INFO L133 SettingsManager]: * Use SBE=true [2019-01-11 11:59:08,339 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-11 11:59:08,339 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-11 11:59:08,341 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-11 11:59:08,341 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-11 11:59:08,342 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-11 11:59:08,342 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-11 11:59:08,342 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-11 11:59:08,342 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-11 11:59:08,342 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-11 11:59:08,343 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-11 11:59:08,343 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-11 11:59:08,343 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-11 11:59:08,343 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-11 11:59:08,344 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-11 11:59:08,344 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in -t:2000 [2019-01-11 11:59:08,344 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-11 11:59:08,344 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-11 11:59:08,344 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-11 11:59:08,345 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-11 11:59:08,345 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-11 11:59:08,345 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in [2019-01-11 11:59:08,346 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-11 11:59:08,346 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-11 11:59:08,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-11 11:59:08,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-11 11:59:08,425 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-11 11:59:08,426 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-11 11:59:08,427 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-11 11:59:08,428 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl [2019-01-11 11:59:08,428 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl' [2019-01-11 11:59:08,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-11 11:59:08,472 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-11 11:59:08,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-11 11:59:08,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-11 11:59:08,473 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-11 11:59:08,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:59:08" (1/1) ... [2019-01-11 11:59:08,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:59:08" (1/1) ... [2019-01-11 11:59:08,511 WARN L165 Inliner]: Program contained no entry procedure! [2019-01-11 11:59:08,512 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-01-11 11:59:08,512 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-01-11 11:59:08,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-11 11:59:08,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-11 11:59:08,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-11 11:59:08,516 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-11 11:59:08,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:59:08" (1/1) ... [2019-01-11 11:59:08,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:59:08" (1/1) ... [2019-01-11 11:59:08,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:59:08" (1/1) ... [2019-01-11 11:59:08,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:59:08" (1/1) ... [2019-01-11 11:59:08,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:59:08" (1/1) ... [2019-01-11 11:59:08,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:59:08" (1/1) ... [2019-01-11 11:59:08,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:59:08" (1/1) ... [2019-01-11 11:59:08,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-11 11:59:08,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-11 11:59:08,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-11 11:59:08,546 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-11 11:59:08,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.01 11:59:08" (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 [2019-01-11 11:59:08,625 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-01-11 11:59:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-11 11:59:08,626 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-11 11:59:08,784 INFO L278 CfgBuilder]: Using library mode [2019-01-11 11:59:08,784 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-11 11:59:08,786 INFO L202 PluginConnector]: Adding new model Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 11:59:08 BoogieIcfgContainer [2019-01-11 11:59:08,786 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-11 11:59:08,787 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-11 11:59:08,787 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-11 11:59:08,787 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-11 11:59:08,788 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 11:59:08" (1/1) ... [2019-01-11 11:59:08,827 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-11 11:59:08,886 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-11 11:59:08,907 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-01-11 11:59:08,909 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-11 11:59:08,910 INFO L168 Benchmark]: Toolchain (without parser) took 440.00 ms. Allocated memory is still 138.4 MB. Free memory was 106.0 MB in the beginning and 88.0 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2019-01-11 11:59:08,914 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-11 11:59:08,915 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.01 ms. Allocated memory is still 138.4 MB. Free memory was 105.5 MB in the beginning and 103.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-01-11 11:59:08,917 INFO L168 Benchmark]: Boogie Preprocessor took 29.28 ms. Allocated memory is still 138.4 MB. Free memory was 103.9 MB in the beginning and 103.0 MB in the end (delta: 857.2 kB). Peak memory consumption was 857.2 kB. Max. memory is 7.1 GB. [2019-01-11 11:59:08,918 INFO L168 Benchmark]: RCFGBuilder took 240.70 ms. Allocated memory is still 138.4 MB. Free memory was 102.6 MB in the beginning and 93.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-01-11 11:59:08,921 INFO L168 Benchmark]: Abstract Interpretation took 122.77 ms. Allocated memory is still 138.4 MB. Free memory was 93.8 MB in the beginning and 88.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-01-11 11:59:08,929 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 0.22 ms. Allocated memory is still 138.4 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.01 ms. Allocated memory is still 138.4 MB. Free memory was 105.5 MB in the beginning and 103.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 29.28 ms. Allocated memory is still 138.4 MB. Free memory was 103.9 MB in the beginning and 103.0 MB in the end (delta: 857.2 kB). Peak memory consumption was 857.2 kB. Max. memory is 7.1 GB. * RCFGBuilder took 240.70 ms. Allocated memory is still 138.4 MB. Free memory was 102.6 MB in the beginning and 93.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 122.77 ms. Allocated memory is still 138.4 MB. Free memory was 93.8 MB in the beginning and 88.0 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 27]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L16] assume x > y; [L18] a[x] := 0; [L19] a[y] := 1000; [L26] COND TRUE a[x] == 1000 [L27] assert a[y] <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...