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/regression/bpl/EuclideanIntegerDivision.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:18:11,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:18:11,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:18:11,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:18:11,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:18:11,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:18:11,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:18:11,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:18:11,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:18:11,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:18:11,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:18:11,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:18:11,875 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 12:18:11,889 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:18:11,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:18:11,890 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:18:11,890 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:18:11,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:18:11,890 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:18:11,891 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:18:11,891 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:18:11,891 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:18:11,891 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:18:11,891 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:18:11,892 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:18:11,892 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:18:11,892 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:18:11,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:18:11,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:18:11,893 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:18:11,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:18:11,894 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:18:11,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:18:11,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:18:11,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:18:11,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:18:11,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:18:11,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:18:11,895 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:18:11,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:18:11,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:18:11,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:18:11,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:18:11,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:18:11,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:18:11,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:18:11,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:18:11,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:18:11,897 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:18:11,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:18:11,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:18:11,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:18:11,898 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:18:11,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:18:11,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:18:11,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:18:11,945 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:18:11,946 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:18:11,946 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/EuclideanIntegerDivision.bpl [2019-08-05 12:18:11,947 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/EuclideanIntegerDivision.bpl' [2019-08-05 12:18:11,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:18:11,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:18:11,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:11,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:18:11,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:18:12,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "EuclideanIntegerDivision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:12,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "EuclideanIntegerDivision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:12,021 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:18:12,021 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:18:12,021 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:18:12,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:12,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:18:12,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:18:12,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:18:12,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "EuclideanIntegerDivision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:12,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "EuclideanIntegerDivision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:12,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "EuclideanIntegerDivision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:12,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "EuclideanIntegerDivision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:12,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "EuclideanIntegerDivision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:12,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "EuclideanIntegerDivision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:12,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "EuclideanIntegerDivision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (1/1) ... [2019-08-05 12:18:12,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:18:12,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:18:12,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:18:12,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:18:12,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "EuclideanIntegerDivision.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:11" (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 12:18:12,122 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:18:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:18:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:18:12,614 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:18:12,614 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:18:12,615 INFO L202 PluginConnector]: Adding new model EuclideanIntegerDivision.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:12 BoogieIcfgContainer [2019-08-05 12:18:12,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:18:12,617 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:18:12,617 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:18:12,617 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:18:12,618 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "EuclideanIntegerDivision.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:12" (1/1) ... [2019-08-05 12:18:12,650 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:18:12,749 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:18:12,773 INFO L272 AbstractInterpreter]: Visited 27 different actions 27 times. Never merged. Never widened. Performed 67 root evaluator evaluations with a maximum evaluation depth of 4. Performed 67 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:18:12,774 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:18:12,778 INFO L168 Benchmark]: Toolchain (without parser) took 791.40 ms. Allocated memory is still 132.1 MB. Free memory was 106.1 MB in the beginning and 85.5 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:12,780 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 12:18:12,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.80 ms. Allocated memory is still 132.1 MB. Free memory was 106.1 MB in the beginning and 104.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:12,783 INFO L168 Benchmark]: Boogie Preprocessor took 23.83 ms. Allocated memory is still 132.1 MB. Free memory was 104.1 MB in the beginning and 102.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:12,784 INFO L168 Benchmark]: RCFGBuilder took 567.30 ms. Allocated memory is still 132.1 MB. Free memory was 102.9 MB in the beginning and 91.7 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:12,785 INFO L168 Benchmark]: Abstract Interpretation took 157.25 ms. Allocated memory is still 132.1 MB. Free memory was 91.7 MB in the beginning and 85.5 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:12,790 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 132.1 MB. Free memory was 107.3 MB in the beginning and 107.1 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 38.80 ms. Allocated memory is still 132.1 MB. Free memory was 106.1 MB in the beginning and 104.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.83 ms. Allocated memory is still 132.1 MB. Free memory was 104.1 MB in the beginning and 102.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 567.30 ms. Allocated memory is still 132.1 MB. Free memory was 102.9 MB in the beginning and 91.7 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 157.25 ms. Allocated memory is still 132.1 MB. Free memory was 91.7 MB in the beginning and 85.5 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 44]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L11] divRes := 32 / 13; [L12] modRes := 32 % 13; [L13] assert divRes == 2; [L14] assert modRes == 6; [L16] divRes := 32 / -13; [L17] modRes := 32 % -13; [L18] assert divRes == -2; [L19] assert modRes == 6; [L21] divRes := -32 / 13; [L22] modRes := -32 % 13; [L23] assert divRes == -3; [L24] assert modRes == 7; [L26] divRes := -32 / -13; [L27] modRes := -32 % -13; [L28] assert divRes == 3; [L29] assert modRes == 7; [L32] divRes := 32 / 16; [L33] modRes := 32 % 16; [L34] assert divRes == 2; [L35] assert modRes == 0; [L37] divRes := 32 / -16; [L38] modRes := 32 % -16; [L39] assert divRes == -2; [L40] assert modRes == 0; [L42] divRes := -32 / 16; [L43] modRes := -32 % 16; [L44] assert divRes == -2; - PositiveResult [Line: 29]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 34]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 39]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 23]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 50]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 28]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 49]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 13]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 19]: 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 - PositiveResult [Line: 35]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 18]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 24]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 45]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 40]: 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...