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_compound_exp_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenInequality.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 22:00:39,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 22:00:39,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 22:00:39,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-04 22:00:39,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 22:00:39,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 22:00:39,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 22:00:39,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 22:00:39,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 22:00:39,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 22:00:39,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 22:00:39,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-04 22:00:39,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-04 22:00:39,421 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-04 22:00:39,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-04 22:00:39,422 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-04 22:00:39,422 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-04 22:00:39,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-04 22:00:39,422 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-04 22:00:39,423 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-04 22:00:39,423 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-04 22:00:39,423 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-04 22:00:39,423 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-04 22:00:39,423 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-04 22:00:39,424 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-04 22:00:39,424 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-04 22:00:39,424 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-04 22:00:39,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-04 22:00:39,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-04 22:00:39,425 INFO L138 SettingsManager]: * Use SBE=true [2019-08-04 22:00:39,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-04 22:00:39,426 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-04 22:00:39,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-04 22:00:39,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-04 22:00:39,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-04 22:00:39,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-04 22:00:39,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-04 22:00:39,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-04 22:00:39,427 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-04 22:00:39,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-04 22:00:39,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-04 22:00:39,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-04 22:00:39,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-04 22:00:39,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-04 22:00:39,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-04 22:00:39,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-04 22:00:39,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-04 22:00:39,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-04 22:00:39,429 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-04 22:00:39,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-04 22:00:39,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-04 22:00:39,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-04 22:00:39,430 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-04 22:00:39,460 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 22:00:39,473 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 22:00:39,476 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 22:00:39,477 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 22:00:39,478 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 22:00:39,479 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenInequality.bpl [2019-08-04 22:00:39,479 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenInequality.bpl' [2019-08-04 22:00:39,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 22:00:39,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-04 22:00:39,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:39,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-04 22:00:39,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-04 22:00:39,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:39" (1/1) ... [2019-08-04 22:00:39,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:39" (1/1) ... [2019-08-04 22:00:39,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-04 22:00:39,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 22:00:39,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 22:00:39,553 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 22:00:39,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:39" (1/1) ... [2019-08-04 22:00:39,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:39" (1/1) ... [2019-08-04 22:00:39,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:39" (1/1) ... [2019-08-04 22:00:39,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:39" (1/1) ... [2019-08-04 22:00:39,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:39" (1/1) ... [2019-08-04 22:00:39,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:39" (1/1) ... [2019-08-04 22:00:39,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:39" (1/1) ... [2019-08-04 22:00:39,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 22:00:39,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 22:00:39,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 22:00:39,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 22:00:39,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 10:00:39" (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 [2019-08-04 22:00:39,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 22:00:39,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 22:00:39,875 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 22:00:39,876 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-04 22:00:39,877 INFO L202 PluginConnector]: Adding new model HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:39 BoogieIcfgContainer [2019-08-04 22:00:39,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 22:00:39,883 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-04 22:00:39,883 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-04 22:00:39,883 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-04 22:00:39,884 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "HiddenInequality.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 10:00:39" (1/1) ... [2019-08-04 22:00:39,920 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-04 22:00:40,033 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-04 22:00:40,056 INFO L272 AbstractInterpreter]: Visited 6 different actions 14 times. Merged at 3 different actions 5 times. Never widened. Performed 60 root evaluator evaluations with a maximum evaluation depth of 2. Performed 60 inverse root evaluator evaluations with a maximum inverse evaluation depth of 2. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-04 22:00:40,057 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-04 22:00:40,060 INFO L168 Benchmark]: Toolchain (without parser) took 547.05 ms. Allocated memory is still 132.6 MB. Free memory was 104.3 MB in the beginning and 86.3 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:40,062 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-04 22:00:40,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.84 ms. Allocated memory is still 132.6 MB. Free memory was 104.3 MB in the beginning and 102.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:40,065 INFO L168 Benchmark]: Boogie Preprocessor took 24.32 ms. Allocated memory is still 132.6 MB. Free memory was 102.5 MB in the beginning and 101.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:40,066 INFO L168 Benchmark]: RCFGBuilder took 305.32 ms. Allocated memory is still 132.6 MB. Free memory was 101.4 MB in the beginning and 92.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:40,067 INFO L168 Benchmark]: Abstract Interpretation took 174.20 ms. Allocated memory is still 132.6 MB. Free memory was 92.7 MB in the beginning and 86.3 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-08-04 22:00:40,072 INFO L335 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 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.84 ms. Allocated memory is still 132.6 MB. Free memory was 104.3 MB in the beginning and 102.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.32 ms. Allocated memory is still 132.6 MB. Free memory was 102.5 MB in the beginning and 101.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 305.32 ms. Allocated memory is still 132.6 MB. Free memory was 101.4 MB in the beginning and 92.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 174.20 ms. Allocated memory is still 132.6 MB. Free memory was 92.7 MB in the beginning and 86.3 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 29]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L23] s := 0; [L24] i := 0; [L25] COND TRUE i <= 8 [L26] s := s + 1; [L27] i := i + 1; [L25] COND TRUE i <= 8 [L26] s := s + 1; [L27] i := i + 1; [L25] COND FALSE !(i <= 8) [L29] assert s >= 9; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...