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/open/comp/recursive-CallABAB_count_incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:18:46,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:18:46,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:18:46,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:18:46,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:18:46,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:18:46,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:18:46,936 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:18:46,938 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:18:46,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:18:46,940 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:18:46,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:18:46,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:18:46,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:18:46,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:18:46,944 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:18:46,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:18:46,946 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:18:46,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:18:46,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:18:46,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:18:46,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:18:46,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:18:46,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:18:46,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:18:46,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:18:46,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:18:46,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:18:46,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:18:46,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:18:46,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:18:46,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:18:46,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:18:46,967 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 12:18:46,987 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:18:46,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:18:46,990 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:18:46,990 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:18:46,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:18:46,990 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:18:46,991 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:18:46,991 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:18:46,991 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:18:46,991 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:18:46,991 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:18:46,992 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:18:46,992 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:18:46,994 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:18:46,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:18:46,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:18:46,995 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:18:46,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:18:46,996 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:18:46,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:18:46,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:18:46,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:18:46,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:18:46,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:18:46,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:18:46,998 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:18:46,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:18:46,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:18:46,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:18:46,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:18:46,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:18:46,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:18:46,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:18:46,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:18:47,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:18:47,000 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:18:47,000 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:18:47,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:18:47,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:18:47,001 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:18:47,058 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:18:47,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:18:47,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:18:47,081 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:18:47,081 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:18:47,082 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/open/comp/recursive-CallABAB_count_incorrect.bpl [2019-08-05 12:18:47,082 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/open/comp/recursive-CallABAB_count_incorrect.bpl' [2019-08-05 12:18:47,118 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:18:47,120 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:18:47,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:47,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:18:47,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:18:47,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "recursive-CallABAB_count_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:47" (1/1) ... [2019-08-05 12:18:47,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "recursive-CallABAB_count_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:47" (1/1) ... [2019-08-05 12:18:47,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:18:47,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:18:47,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:18:47,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:18:47,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "recursive-CallABAB_count_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:47" (1/1) ... [2019-08-05 12:18:47,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "recursive-CallABAB_count_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:47" (1/1) ... [2019-08-05 12:18:47,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "recursive-CallABAB_count_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:47" (1/1) ... [2019-08-05 12:18:47,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "recursive-CallABAB_count_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:47" (1/1) ... [2019-08-05 12:18:47,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "recursive-CallABAB_count_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:47" (1/1) ... [2019-08-05 12:18:47,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "recursive-CallABAB_count_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:47" (1/1) ... [2019-08-05 12:18:47,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "recursive-CallABAB_count_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:47" (1/1) ... [2019-08-05 12:18:47,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:18:47,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:18:47,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:18:47,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:18:47,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "recursive-CallABAB_count_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:18:47" (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 12:18:47,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure funA given in one single declaration [2019-08-05 12:18:47,256 INFO L130 BoogieDeclarations]: Found specification of procedure funA [2019-08-05 12:18:47,256 INFO L138 BoogieDeclarations]: Found implementation of procedure funA [2019-08-05 12:18:47,256 INFO L124 BoogieDeclarations]: Specification and implementation of procedure funB given in one single declaration [2019-08-05 12:18:47,257 INFO L130 BoogieDeclarations]: Found specification of procedure funB [2019-08-05 12:18:47,257 INFO L138 BoogieDeclarations]: Found implementation of procedure funB [2019-08-05 12:18:47,260 INFO L124 BoogieDeclarations]: Specification and implementation of procedure dispatch given in one single declaration [2019-08-05 12:18:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure dispatch [2019-08-05 12:18:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure dispatch [2019-08-05 12:18:47,261 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:18:47,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:18:47,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:18:47,469 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:18:47,469 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:18:47,471 INFO L202 PluginConnector]: Adding new model recursive-CallABAB_count_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:47 BoogieIcfgContainer [2019-08-05 12:18:47,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:18:47,472 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:18:47,472 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:18:47,472 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:18:47,473 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "recursive-CallABAB_count_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:18:47" (1/1) ... [2019-08-05 12:18:47,502 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:18:47,808 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:18:47,832 INFO L272 AbstractInterpreter]: Visited 21 different actions 132 times. Merged at 10 different actions 25 times. Widened at 4 different actions 10 times. Performed 346 root evaluator evaluations with a maximum evaluation depth of 3. Performed 346 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 5 different actions. Largest state had 5 variables. [2019-08-05 12:18:47,832 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:18:47,835 INFO L168 Benchmark]: Toolchain (without parser) took 715.25 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 79.3 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:47,837 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:18:47,838 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.18 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 103.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:47,839 INFO L168 Benchmark]: Boogie Preprocessor took 23.51 ms. Allocated memory is still 140.5 MB. Free memory was 103.6 MB in the beginning and 102.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:47,840 INFO L168 Benchmark]: RCFGBuilder took 287.85 ms. Allocated memory is still 140.5 MB. Free memory was 102.5 MB in the beginning and 91.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:47,841 INFO L168 Benchmark]: Abstract Interpretation took 360.99 ms. Allocated memory is still 140.5 MB. Free memory was 91.8 MB in the beginning and 79.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:18:47,846 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 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.18 ms. Allocated memory is still 140.5 MB. Free memory was 105.4 MB in the beginning and 103.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.51 ms. Allocated memory is still 140.5 MB. Free memory was 103.6 MB in the beginning and 102.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 287.85 ms. Allocated memory is still 140.5 MB. Free memory was 102.5 MB in the beginning and 91.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 360.99 ms. Allocated memory is still 140.5 MB. Free memory was 91.8 MB in the beginning and 79.3 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 16]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] g := 0; [L14] CALL call x := dispatch(20, 20); [L23] COND FALSE !(a + b <= 0) [L29] g := g + 1; [L30] COND FALSE !(a > b) [L36] CALL call res := funB(a, b); [L50] CALL call res := dispatch(a - 1, b - 2); [L23] COND FALSE !(a + b <= 0) [L29] g := g + 1; [L30] COND TRUE a > b [L32] CALL call res := funA(a, b); [L43] CALL call res := dispatch(a - 2, b - 1); [L23] COND FALSE !(a + b <= 0) [L29] g := g + 1; [L30] COND FALSE !(a > b) [L36] CALL call res := funB(a, b); [L50] CALL call res := dispatch(a - 1, b - 2); [L23] COND FALSE !(a + b <= 0) [L29] g := g + 1; [L30] COND TRUE a > b [L32] CALL call res := funA(a, b); [L43] CALL call res := dispatch(a - 2, b - 1); [L23] COND FALSE !(a + b <= 0) [L29] g := g + 1; [L30] COND FALSE !(a > b) [L36] CALL call res := funB(a, b); [L50] CALL call res := dispatch(a - 1, b - 2); [L23] COND TRUE a + b <= 0 [L25] res := a + b; [L50] RET call res := dispatch(a - 1, b - 2); [L36] RET call res := funB(a, b); [L43] RET call res := dispatch(a - 2, b - 1); [L32] RET call res := funA(a, b); [L50] RET call res := dispatch(a - 1, b - 2); [L36] RET call res := funB(a, b); [L43] RET call res := dispatch(a - 2, b - 1); [L32] RET call res := funA(a, b); [L50] RET call res := dispatch(a - 1, b - 2); [L36] RET call res := funB(a, b); [L14] RET call x := dispatch(20, 20); [L16] assert g <= 13; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...