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/Interactive/input/boogie/recursive-wrong-prestate.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:12:34,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:12:34,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:12:34,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:12:34,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:12:34,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:12:34,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:12:34,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:12:34,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:12:34,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:12:34,517 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:12:34,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:12:34,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:12:34,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:12:34,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:12:34,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:12:34,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:12:34,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:12:34,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:12:34,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:12:34,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:12:34,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:12:34,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:12:34,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:12:34,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:12:34,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:12:34,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:12:34,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:12:34,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:12:34,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:12:34,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:12:34,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:12:34,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:12:34,545 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 12:12:34,558 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:12:34,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:12:34,559 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:12:34,559 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:12:34,559 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:12:34,560 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:12:34,560 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:12:34,560 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:12:34,560 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:12:34,560 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:12:34,561 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:12:34,561 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:12:34,561 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:12:34,561 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:12:34,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:12:34,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:12:34,562 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:12:34,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:12:34,563 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:12:34,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:12:34,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:12:34,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:12:34,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:12:34,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:12:34,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:12:34,564 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:12:34,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:12:34,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:12:34,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:12:34,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:12:34,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:12:34,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:12:34,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:12:34,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:12:34,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:12:34,567 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:12:34,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:12:34,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:12:34,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:12:34,567 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:12:34,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:12:34,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:12:34,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:12:34,622 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:12:34,622 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:12:34,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/Interactive/input/boogie/recursive-wrong-prestate.bpl [2019-08-05 12:12:34,623 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/Interactive/input/boogie/recursive-wrong-prestate.bpl' [2019-08-05 12:12:34,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:12:34,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:12:34,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:12:34,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:12:34,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:12:34,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "recursive-wrong-prestate.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "recursive-wrong-prestate.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:12:34,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:12:34,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:12:34,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:12:34,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "recursive-wrong-prestate.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "recursive-wrong-prestate.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "recursive-wrong-prestate.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "recursive-wrong-prestate.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "recursive-wrong-prestate.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "recursive-wrong-prestate.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "recursive-wrong-prestate.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (1/1) ... [2019-08-05 12:12:34,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:12:34,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:12:34,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:12:34,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:12:34,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "recursive-wrong-prestate.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:12:34" (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 12:12:34,783 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2019-08-05 12:12:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-08-05 12:12:34,784 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-08-05 12:12:34,784 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:12:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:12:34,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:12:35,043 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:12:35,044 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:12:35,045 INFO L202 PluginConnector]: Adding new model recursive-wrong-prestate.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:12:35 BoogieIcfgContainer [2019-08-05 12:12:35,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:12:35,046 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:12:35,046 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:12:35,047 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:12:35,048 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "recursive-wrong-prestate.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:12:35" (1/1) ... [2019-08-05 12:12:35,074 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:12:35,257 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:12:35,279 INFO L272 AbstractInterpreter]: Visited 14 different actions 67 times. Merged at 7 different actions 27 times. Never widened. Performed 106 root evaluator evaluations with a maximum evaluation depth of 4. Performed 106 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 2 fixpoints after 2 different actions. Largest state had 3 variables. [2019-08-05 12:12:35,279 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:12:35,283 INFO L168 Benchmark]: Toolchain (without parser) took 627.52 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 82.1 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:12:35,284 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:12:35,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.22 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 102.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:12:35,288 INFO L168 Benchmark]: Boogie Preprocessor took 20.27 ms. Allocated memory is still 138.9 MB. Free memory was 102.0 MB in the beginning and 101.1 MB in the end (delta: 933.6 kB). Peak memory consumption was 933.6 kB. Max. memory is 7.1 GB. [2019-08-05 12:12:35,290 INFO L168 Benchmark]: RCFGBuilder took 333.84 ms. Allocated memory is still 138.9 MB. Free memory was 100.9 MB in the beginning and 91.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:12:35,295 INFO L168 Benchmark]: Abstract Interpretation took 233.50 ms. Allocated memory is still 138.9 MB. Free memory was 91.3 MB in the beginning and 82.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:12:35,305 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 138.9 MB. Free memory was 105.1 MB in the beginning and 104.9 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 36.22 ms. Allocated memory is still 138.9 MB. Free memory was 103.8 MB in the beginning and 102.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.27 ms. Allocated memory is still 138.9 MB. Free memory was 102.0 MB in the beginning and 101.1 MB in the end (delta: 933.6 kB). Peak memory consumption was 933.6 kB. Max. memory is 7.1 GB. * RCFGBuilder took 333.84 ms. Allocated memory is still 138.9 MB. Free memory was 100.9 MB in the beginning and 91.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 233.50 ms. Allocated memory is still 138.9 MB. Free memory was 91.3 MB in the beginning and 82.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 20]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L19] CALL call result := foo(input); [L27] bla := a; [L29] COND FALSE !(bla == 0) [L33] CALL call res := foo(bla - 1); [L27] bla := a; [L29] COND FALSE !(bla == 0) [L33] CALL call res := foo(bla - 1); [L27] bla := a; [L29] COND FALSE !(bla == 0) [L33] CALL call res := foo(bla - 1); [L27] bla := a; [L29] COND TRUE bla == 0 [L30] res := 0; [L33] RET call res := foo(bla - 1); [L34] res := res + 1; [L35] COND FALSE !(res > 2) [L33] RET call res := foo(bla - 1); [L34] res := res + 1; [L35] COND FALSE !(res > 2) [L33] RET call res := foo(bla - 1); [L34] res := res + 1; [L35] COND FALSE !(res > 2) [L19] RET call result := foo(input); [L20] assert result != 3; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...