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/abstractInterpretation/regression/non_con/stmt-varupdate-assume.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:19:36,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:19:36,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:19:36,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:19:36,756 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 [2019-08-05 12:19:36,780 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:19:36,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:19:36,783 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:19:36,783 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:19:36,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:19:36,784 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:19:36,784 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:19:36,784 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:19:36,784 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:19:36,784 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:19:36,785 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:19:36,785 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:19:36,785 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:19:36,785 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:19:36,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:19:36,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:19:36,786 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:19:36,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:19:36,787 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:19:36,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:19:36,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:19:36,787 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:19:36,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:19:36,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:19:36,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:19:36,788 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:19:36,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:19:36,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:19:36,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:19:36,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:19:36,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:19:36,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:19:36,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:19:36,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:19:36,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:19:36,791 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:19:36,791 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:19:36,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:19:36,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:19:36,791 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:19:36,823 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:19:36,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:19:36,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:19:36,841 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:19:36,841 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:19:36,842 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/non_con/stmt-varupdate-assume.bpl [2019-08-05 12:19:36,843 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/non_con/stmt-varupdate-assume.bpl' [2019-08-05 12:19:36,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:19:36,873 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:19:36,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:36,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:19:36,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:19:36,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:36" (1/1) ... [2019-08-05 12:19:36,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:36" (1/1) ... [2019-08-05 12:19:36,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:36,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:19:36,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:19:36,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:19:36,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:36" (1/1) ... [2019-08-05 12:19:36,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:36" (1/1) ... [2019-08-05 12:19:36,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:36" (1/1) ... [2019-08-05 12:19:36,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:36" (1/1) ... [2019-08-05 12:19:36,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:36" (1/1) ... [2019-08-05 12:19:36,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:36" (1/1) ... [2019-08-05 12:19:36,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:36" (1/1) ... [2019-08-05 12:19:36,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:19:36,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:19:36,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:19:36,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:19:36,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:36" (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 [2019-08-05 12:19:36,996 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:19:36,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:19:36,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:19:37,224 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:19:37,225 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:19:37,226 INFO L202 PluginConnector]: Adding new model stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:37 BoogieIcfgContainer [2019-08-05 12:19:37,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:19:37,227 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:19:37,227 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:19:37,227 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:19:37,228 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "stmt-varupdate-assume.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:37" (1/1) ... [2019-08-05 12:19:37,257 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:19:37,327 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:19:37,348 INFO L272 AbstractInterpreter]: Visited 8 different actions 8 times. Never merged. Never widened. Performed 12 root evaluator evaluations with a maximum evaluation depth of 4. Performed 12 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:19:37,348 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:19:37,351 INFO L168 Benchmark]: Toolchain (without parser) took 476.57 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 90.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:37,353 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 109.1 MB in the beginning and 108.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:19:37,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.86 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 106.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:37,355 INFO L168 Benchmark]: Boogie Preprocessor took 17.48 ms. Allocated memory is still 133.7 MB. Free memory was 106.2 MB in the beginning and 105.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:37,356 INFO L168 Benchmark]: RCFGBuilder took 301.14 ms. Allocated memory is still 133.7 MB. Free memory was 105.0 MB in the beginning and 96.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:37,357 INFO L168 Benchmark]: Abstract Interpretation took 121.47 ms. Allocated memory is still 133.7 MB. Free memory was 96.2 MB in the beginning and 90.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:37,362 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 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 109.1 MB in the beginning and 108.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 32.86 ms. Allocated memory is still 133.7 MB. Free memory was 107.8 MB in the beginning and 106.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 17.48 ms. Allocated memory is still 133.7 MB. Free memory was 106.2 MB in the beginning and 105.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 301.14 ms. Allocated memory is still 133.7 MB. Free memory was 105.0 MB in the beginning and 96.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 121.47 ms. Allocated memory is still 133.7 MB. Free memory was 96.2 MB in the beginning and 90.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 15]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L7] assume x >= 0 && x <= 10; [L8] assume y >= 11 && y <= 20; [L10] assert true; [L11] assume y - x == 2; [L14] assert true; [L15] assert x != 8; - PositiveResult [Line: 10]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 14]: assertion always holds For all program executions holds that assertion always holds at this location RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...