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/unclassified/CallIrregular_incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:19:42,552 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:19:42,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:19:42,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:19:42,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:19:42,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:19:42,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:19:42,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:19:42,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:19:42,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:19:42,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:19:42,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:19:42,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:19:42,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:19:42,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:19:42,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:19:42,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:19:42,607 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 12:19:42,621 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:19:42,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:19:42,622 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:19:42,622 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:19:42,623 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:19:42,623 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:19:42,623 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:19:42,623 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:19:42,623 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:19:42,624 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:19:42,624 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:19:42,624 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:19:42,624 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:19:42,624 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:19:42,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:19:42,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:19:42,626 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:19:42,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:19:42,626 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:19:42,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:19:42,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:19:42,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:19:42,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:19:42,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:19:42,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:19:42,628 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:19:42,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:19:42,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:19:42,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:19:42,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:19:42,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:19:42,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:19:42,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:19:42,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:19:42,629 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:19:42,630 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:19:42,630 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:19:42,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:19:42,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:19:42,630 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:19:42,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:19:42,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:19:42,681 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:19:42,682 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:19:42,683 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:19:42,684 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/CallIrregular_incorrect.bpl [2019-08-05 12:19:42,684 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/CallIrregular_incorrect.bpl' [2019-08-05 12:19:42,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:19:42,717 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:19:42,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:42,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:19:42,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:19:42,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "CallIrregular_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:42" (1/1) ... [2019-08-05 12:19:42,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "CallIrregular_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:42" (1/1) ... [2019-08-05 12:19:42,754 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:19:42,754 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:19:42,754 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:19:42,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:42,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:19:42,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:19:42,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:19:42,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CallIrregular_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:42" (1/1) ... [2019-08-05 12:19:42,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CallIrregular_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:42" (1/1) ... [2019-08-05 12:19:42,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CallIrregular_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:42" (1/1) ... [2019-08-05 12:19:42,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CallIrregular_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:42" (1/1) ... [2019-08-05 12:19:42,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CallIrregular_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:42" (1/1) ... [2019-08-05 12:19:42,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CallIrregular_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:42" (1/1) ... [2019-08-05 12:19:42,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CallIrregular_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:42" (1/1) ... [2019-08-05 12:19:42,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:19:42,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:19:42,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:19:42,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:19:42,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CallIrregular_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:42" (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 12:19:42,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure A given in one single declaration [2019-08-05 12:19:42,863 INFO L130 BoogieDeclarations]: Found specification of procedure A [2019-08-05 12:19:42,863 INFO L138 BoogieDeclarations]: Found implementation of procedure A [2019-08-05 12:19:42,863 INFO L124 BoogieDeclarations]: Specification and implementation of procedure B given in one single declaration [2019-08-05 12:19:42,864 INFO L130 BoogieDeclarations]: Found specification of procedure B [2019-08-05 12:19:42,868 INFO L138 BoogieDeclarations]: Found implementation of procedure B [2019-08-05 12:19:42,868 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:19:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:19:42,869 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:19:43,139 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:19:43,140 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:19:43,142 INFO L202 PluginConnector]: Adding new model CallIrregular_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:43 BoogieIcfgContainer [2019-08-05 12:19:43,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:19:43,145 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:19:43,145 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:19:43,146 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:19:43,149 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "CallIrregular_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:43" (1/1) ... [2019-08-05 12:19:43,180 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:19:43,975 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:19:43,998 INFO L272 AbstractInterpreter]: Visited 17 different actions 1055 times. Never merged. Widened at 3 different actions 91 times. Performed 3090 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3090 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 187 fixpoints after 5 different actions. Largest state had 4 variables. [2019-08-05 12:19:43,998 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:19:44,001 INFO L168 Benchmark]: Toolchain (without parser) took 1283.03 ms. Allocated memory was 133.7 MB in the beginning and 170.9 MB in the end (delta: 37.2 MB). Free memory was 107.7 MB in the beginning and 141.9 MB in the end (delta: -34.1 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:44,003 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 109.0 MB in the beginning and 108.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 12:19:44,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.85 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 105.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:44,005 INFO L168 Benchmark]: Boogie Preprocessor took 24.05 ms. Allocated memory is still 133.7 MB. Free memory was 105.7 MB in the beginning and 104.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:44,006 INFO L168 Benchmark]: RCFGBuilder took 359.62 ms. Allocated memory is still 133.7 MB. Free memory was 104.6 MB in the beginning and 94.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:44,007 INFO L168 Benchmark]: Abstract Interpretation took 853.33 ms. Allocated memory was 133.7 MB in the beginning and 170.9 MB in the end (delta: 37.2 MB). Free memory was 94.5 MB in the beginning and 141.9 MB in the end (delta: -47.3 MB). Peak memory consumption was 41.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:44,016 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 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 109.0 MB in the beginning and 108.7 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 39.85 ms. Allocated memory is still 133.7 MB. Free memory was 107.7 MB in the beginning and 105.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.05 ms. Allocated memory is still 133.7 MB. Free memory was 105.7 MB in the beginning and 104.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 359.62 ms. Allocated memory is still 133.7 MB. Free memory was 104.6 MB in the beginning and 94.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 853.33 ms. Allocated memory was 133.7 MB in the beginning and 170.9 MB in the end (delta: 37.2 MB). Free memory was 94.5 MB in the beginning and 141.9 MB in the end (delta: -47.3 MB). Peak memory consumption was 41.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 12]: 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] CALL call x := A(1, 0, 1000); [L18] COND FALSE !(a >= goal) [L24] CALL call res := B(a, 1, goal); [L29] COND FALSE !(b < a) [L35] CALL call res := A(a + 1, b, goal); [L18] COND FALSE !(a >= goal) [L24] CALL call res := B(a, 1, goal); [L29] COND TRUE b < a [L31] CALL call res := B(a, b + 1, goal); [L29] COND FALSE !(b < a) [L35] CALL call res := A(a + 1, b, goal); [L18] COND FALSE !(a >= goal) [L24] CALL call res := B(a, 1, goal); [L29] COND FALSE !(b < a) [L35] CALL call res := A(a + 1, b, goal); [L18] COND TRUE a >= goal [L20] res := a + b; [L35] RET call res := A(a + 1, b, goal); [L24] RET call res := B(a, 1, goal); [L35] RET call res := A(a + 1, b, goal); [L31] RET call res := B(a, b + 1, goal); [L24] RET call res := B(a, 1, goal); [L35] RET call res := A(a + 1, b, goal); [L24] RET call res := B(a, 1, goal); [L11] RET call x := A(1, 0, 1000); [L12] assert x == 1000; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...