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/all/expr-division-inequality-bug-2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:19:23,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:19:23,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:19:23,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:19:23,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:19:23,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:19:23,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:19:23,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:19:23,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:19:23,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:19:23,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:19:23,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:19:23,841 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 12:19:23,865 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:19:23,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:19:23,866 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:19:23,867 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:19:23,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:19:23,867 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:19:23,867 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:19:23,867 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:19:23,868 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:19:23,868 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:19:23,869 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:19:23,869 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:19:23,869 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:19:23,869 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:19:23,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:19:23,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:19:23,870 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:19:23,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:19:23,871 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:19:23,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:19:23,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:19:23,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:19:23,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:19:23,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:19:23,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:19:23,873 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:19:23,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:19:23,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:19:23,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:19:23,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:19:23,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:19:23,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:19:23,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:19:23,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:19:23,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:19:23,876 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:19:23,876 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:19:23,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:19:23,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:19:23,877 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:19:23,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:19:23,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:19:23,950 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:19:23,951 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:19:23,952 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:19:23,953 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-division-inequality-bug-2.bpl [2019-08-05 12:19:23,953 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/all/expr-division-inequality-bug-2.bpl' [2019-08-05 12:19:23,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:19:23,989 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:19:23,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:23,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:19:23,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:19:24,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:23" (1/1) ... [2019-08-05 12:19:24,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:23" (1/1) ... [2019-08-05 12:19:24,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:24,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:19:24,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:19:24,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:19:24,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:23" (1/1) ... [2019-08-05 12:19:24,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:23" (1/1) ... [2019-08-05 12:19:24,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:23" (1/1) ... [2019-08-05 12:19:24,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:23" (1/1) ... [2019-08-05 12:19:24,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:23" (1/1) ... [2019-08-05 12:19:24,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:23" (1/1) ... [2019-08-05 12:19:24,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:23" (1/1) ... [2019-08-05 12:19:24,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:19:24,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:19:24,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:19:24,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:19:24,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:23" (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 12:19:24,116 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:19:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:19:24,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:19:24,316 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:19:24,317 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:19:24,318 INFO L202 PluginConnector]: Adding new model expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:24 BoogieIcfgContainer [2019-08-05 12:19:24,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:19:24,320 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:19:24,320 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:19:24,320 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:19:24,321 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "expr-division-inequality-bug-2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:24" (1/1) ... [2019-08-05 12:19:24,351 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:19:24,473 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:19:24,500 INFO L272 AbstractInterpreter]: Visited 5 different actions 5 times. Never merged. Never widened. Performed 9 root evaluator evaluations with a maximum evaluation depth of 6. Performed 9 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Never found a fixpoint. Largest state had 0 variables. [2019-08-05 12:19:24,500 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:19:24,503 INFO L168 Benchmark]: Toolchain (without parser) took 513.34 ms. Allocated memory is still 138.9 MB. Free memory was 105.7 MB in the beginning and 88.5 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:24,504 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:19:24,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.57 ms. Allocated memory is still 138.9 MB. Free memory was 105.7 MB in the beginning and 104.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:24,507 INFO L168 Benchmark]: Boogie Preprocessor took 19.29 ms. Allocated memory is still 138.9 MB. Free memory was 104.0 MB in the beginning and 102.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:24,508 INFO L168 Benchmark]: RCFGBuilder took 274.03 ms. Allocated memory is still 138.9 MB. Free memory was 102.7 MB in the beginning and 94.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:24,509 INFO L168 Benchmark]: Abstract Interpretation took 180.64 ms. Allocated memory is still 138.9 MB. Free memory was 94.2 MB in the beginning and 88.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:24,514 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 0.20 ms. Allocated memory is still 138.9 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.57 ms. Allocated memory is still 138.9 MB. Free memory was 105.7 MB in the beginning and 104.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.29 ms. Allocated memory is still 138.9 MB. Free memory was 104.0 MB in the beginning and 102.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 274.03 ms. Allocated memory is still 138.9 MB. Free memory was 102.7 MB in the beginning and 94.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 180.64 ms. Allocated memory is still 138.9 MB. Free memory was 94.2 MB in the beginning and 88.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 19]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L15] assume x >= 1 && x <= 10; [L16] assert true; [L17] assume (y % 2 == 0 && !(y == 0)) && -x - x <= -2 && x - -x <= 20; [L18] assume x / y == 5; [L19] assert false; - PositiveResult [Line: 16]: 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...