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/InfeasibleCoreExamples.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:53,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:53,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:53,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:15:53,670 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 12:15:53,683 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:53,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:53,684 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:53,684 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:53,684 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:53,684 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:53,685 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:53,685 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:53,685 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:53,685 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:53,685 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:53,686 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:53,686 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:53,686 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:53,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:53,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:53,687 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:53,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:53,688 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:53,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:53,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:53,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:53,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:53,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:53,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:53,690 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:53,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:53,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:53,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:53,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:53,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:53,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:53,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:53,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:53,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:53,693 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:53,693 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:53,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:53,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:53,694 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:53,741 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:53,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:53,759 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:53,761 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:53,761 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:53,762 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InfeasibleCoreExamples.bpl [2019-08-05 12:15:53,762 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/InfeasibleCoreExamples.bpl' [2019-08-05 12:15:53,819 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:53,820 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:53,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:53,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:53,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:53,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "InfeasibleCoreExamples.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "InfeasibleCoreExamples.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,857 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:15:53,857 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:15:53,857 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:15:53,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:53,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:53,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:53,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:53,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "InfeasibleCoreExamples.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "InfeasibleCoreExamples.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "InfeasibleCoreExamples.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "InfeasibleCoreExamples.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "InfeasibleCoreExamples.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "InfeasibleCoreExamples.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "InfeasibleCoreExamples.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (1/1) ... [2019-08-05 12:15:53,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:53,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:53,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:53,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:53,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "InfeasibleCoreExamples.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:53" (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 12:15:53,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure slicing given in one single declaration [2019-08-05 12:15:53,966 INFO L130 BoogieDeclarations]: Found specification of procedure slicing [2019-08-05 12:15:53,966 INFO L138 BoogieDeclarations]: Found implementation of procedure slicing [2019-08-05 12:15:53,966 INFO L124 BoogieDeclarations]: Specification and implementation of procedure noMemleak given in one single declaration [2019-08-05 12:15:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure noMemleak [2019-08-05 12:15:53,967 INFO L138 BoogieDeclarations]: Found implementation of procedure noMemleak [2019-08-05 12:15:53,967 INFO L124 BoogieDeclarations]: Specification and implementation of procedure nonlinearInvariant given in one single declaration [2019-08-05 12:15:53,967 INFO L130 BoogieDeclarations]: Found specification of procedure nonlinearInvariant [2019-08-05 12:15:53,967 INFO L138 BoogieDeclarations]: Found implementation of procedure nonlinearInvariant [2019-08-05 12:15:53,968 INFO L124 BoogieDeclarations]: Specification and implementation of procedure LandesVersicherungsAnstalt given in one single declaration [2019-08-05 12:15:53,968 INFO L130 BoogieDeclarations]: Found specification of procedure LandesVersicherungsAnstalt [2019-08-05 12:15:53,968 INFO L138 BoogieDeclarations]: Found implementation of procedure LandesVersicherungsAnstalt [2019-08-05 12:15:53,968 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sign given in one single declaration [2019-08-05 12:15:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-08-05 12:15:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-08-05 12:15:53,969 INFO L124 BoogieDeclarations]: Specification and implementation of procedure replaceAssingmentByHavoc given in one single declaration [2019-08-05 12:15:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure replaceAssingmentByHavoc [2019-08-05 12:15:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure replaceAssingmentByHavoc [2019-08-05 12:15:53,970 INFO L124 BoogieDeclarations]: Specification and implementation of procedure firstElementUntouched given in one single declaration [2019-08-05 12:15:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure firstElementUntouched [2019-08-05 12:15:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure firstElementUntouched [2019-08-05 12:15:54,380 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:15:54,381 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-05 12:15:54,382 INFO L202 PluginConnector]: Adding new model InfeasibleCoreExamples.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:54 BoogieIcfgContainer [2019-08-05 12:15:54,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:54,383 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:54,383 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:54,383 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:54,384 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "InfeasibleCoreExamples.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:54" (1/1) ... [2019-08-05 12:15:54,417 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:54,559 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:54,582 INFO L272 AbstractInterpreter]: Visited 36 different actions 64 times. Merged at 10 different actions 23 times. Widened at 2 different actions 2 times. Performed 163 root evaluator evaluations with a maximum evaluation depth of 5. Performed 163 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 6 fixpoints after 6 different actions. Largest state had 0 variables. [2019-08-05 12:15:54,583 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:54,586 INFO L168 Benchmark]: Toolchain (without parser) took 764.27 ms. Allocated memory is still 133.7 MB. Free memory was 106.4 MB in the beginning and 81.1 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:54,592 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 12:15:54,595 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.80 ms. Allocated memory is still 133.7 MB. Free memory was 106.2 MB in the beginning and 104.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:54,596 INFO L168 Benchmark]: Boogie Preprocessor took 30.83 ms. Allocated memory is still 133.7 MB. Free memory was 104.4 MB in the beginning and 103.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:54,598 INFO L168 Benchmark]: RCFGBuilder took 490.63 ms. Allocated memory is still 133.7 MB. Free memory was 103.1 MB in the beginning and 89.2 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:54,599 INFO L168 Benchmark]: Abstract Interpretation took 199.98 ms. Allocated memory is still 133.7 MB. Free memory was 89.2 MB in the beginning and 81.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:54,607 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 0.18 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 107.5 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 133.7 MB. Free memory was 106.2 MB in the beginning and 104.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.83 ms. Allocated memory is still 133.7 MB. Free memory was 104.4 MB in the beginning and 103.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 490.63 ms. Allocated memory is still 133.7 MB. Free memory was 103.1 MB in the beginning and 89.2 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 199.98 ms. Allocated memory is still 133.7 MB. Free memory was 89.2 MB in the beginning and 81.1 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 28]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L20] b := a; [L21] k := 0; [L28] assert a == b; - UnprovableResult [Line: 98]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L93] assume k >= 0; [L94] assume k <= 0; [L98] assert k != -1; - UnprovableResult [Line: 70]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L64] assume x * y > 0; [L65] tmp := y; [L70] assert x >= 0 ==> tmp >= 0; - UnprovableResult [Line: 138]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L132] y := 0; [L133] x := y; [L134] y := y + 1; [L138] assert y == 0; - UnprovableResult [Line: 48]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L40] a[0] := 42; [L41] assume k >= 0; [L42] assume k <= 0; [L48] assert a[0] == 42; - PositiveResult [Line: 113]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 136]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 84]: 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...