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/EasyRecursive_incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:19:49,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:19:49,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:19:49,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:19:49,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:19:49,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:19:49,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:19:49,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:19:49,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:19:49,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:19:49,949 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:19:49,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:19:49,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:19:49,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:19:49,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:19:49,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:19:49,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:19:49,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:19:49,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:19:49,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:19:49,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:19:49,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:19:49,963 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:19:49,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:19:49,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:19:49,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:19:49,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:19:49,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:19:49,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:19:49,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:19:49,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:19:49,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:19:49,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:19:49,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:19:49,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:19:49,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:19:49,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:19:49,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:19:49,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:19:49,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:19:49,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:19:49,992 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 12:19:50,018 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:19:50,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:19:50,020 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:19:50,020 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:19:50,020 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:19:50,021 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:19:50,021 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:19:50,021 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:19:50,021 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:19:50,022 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:19:50,022 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:19:50,022 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:19:50,022 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:19:50,022 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:19:50,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:19:50,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:19:50,024 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:19:50,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:19:50,024 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:19:50,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:19:50,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:19:50,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:19:50,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:19:50,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:19:50,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:19:50,028 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:19:50,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:19:50,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:19:50,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:19:50,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:19:50,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:19:50,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:19:50,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:19:50,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:19:50,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:19:50,030 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:19:50,030 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:19:50,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:19:50,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:19:50,031 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:19:50,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:19:50,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:19:50,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:19:50,089 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:19:50,090 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:19:50,091 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyRecursive_incorrect.bpl [2019-08-05 12:19:50,091 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/EasyRecursive_incorrect.bpl' [2019-08-05 12:19:50,122 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:19:50,123 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:19:50,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:50,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:19:50,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:19:50,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "EasyRecursive_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:50" (1/1) ... [2019-08-05 12:19:50,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "EasyRecursive_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:50" (1/1) ... [2019-08-05 12:19:50,157 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 12:19:50,157 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 12:19:50,157 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 12:19:50,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:50,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:19:50,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:19:50,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:19:50,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "EasyRecursive_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:50" (1/1) ... [2019-08-05 12:19:50,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "EasyRecursive_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:50" (1/1) ... [2019-08-05 12:19:50,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "EasyRecursive_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:50" (1/1) ... [2019-08-05 12:19:50,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "EasyRecursive_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:50" (1/1) ... [2019-08-05 12:19:50,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "EasyRecursive_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:50" (1/1) ... [2019-08-05 12:19:50,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "EasyRecursive_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:50" (1/1) ... [2019-08-05 12:19:50,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "EasyRecursive_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:50" (1/1) ... [2019-08-05 12:19:50,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:19:50,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:19:50,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:19:50,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:19:50,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "EasyRecursive_incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:50" (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 12:19:50,259 INFO L124 BoogieDeclarations]: Specification and implementation of procedure add given in one single declaration [2019-08-05 12:19:50,259 INFO L130 BoogieDeclarations]: Found specification of procedure add [2019-08-05 12:19:50,260 INFO L138 BoogieDeclarations]: Found implementation of procedure add [2019-08-05 12:19:50,260 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 12:19:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 12:19:50,260 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 12:19:50,570 INFO L275 CfgBuilder]: Using library mode [2019-08-05 12:19:50,571 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:19:50,572 INFO L202 PluginConnector]: Adding new model EasyRecursive_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:50 BoogieIcfgContainer [2019-08-05 12:19:50,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:19:50,573 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:19:50,573 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:19:50,574 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:19:50,575 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "EasyRecursive_incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:50" (1/1) ... [2019-08-05 12:19:50,611 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:19:50,953 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:19:50,971 INFO L272 AbstractInterpreter]: Visited 14 different actions 320 times. Never merged. Never widened. Performed 784 root evaluator evaluations with a maximum evaluation depth of 3. Performed 784 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 74 fixpoints after 4 different actions. Largest state had 3 variables. [2019-08-05 12:19:50,972 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:19:50,975 INFO L168 Benchmark]: Toolchain (without parser) took 850.49 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 78.2 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:50,976 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-08-05 12:19:50,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.59 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 104.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:50,978 INFO L168 Benchmark]: Boogie Preprocessor took 20.71 ms. Allocated memory is still 132.1 MB. Free memory was 104.3 MB in the beginning and 103.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:50,979 INFO L168 Benchmark]: RCFGBuilder took 390.89 ms. Allocated memory is still 132.1 MB. Free memory was 103.2 MB in the beginning and 93.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:50,980 INFO L168 Benchmark]: Abstract Interpretation took 398.76 ms. Allocated memory is still 132.1 MB. Free memory was 93.6 MB in the beginning and 78.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:50,987 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 0.24 ms. Allocated memory is still 132.1 MB. Free memory was 107.5 MB in the beginning and 107.3 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 36.59 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 104.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.71 ms. Allocated memory is still 132.1 MB. Free memory was 104.3 MB in the beginning and 103.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 390.89 ms. Allocated memory is still 132.1 MB. Free memory was 103.2 MB in the beginning and 93.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 398.76 ms. Allocated memory is still 132.1 MB. Free memory was 93.6 MB in the beginning and 78.4 MB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 17]: 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] z := 4; [L15] CALL call z := add(4, 3); [L22] COND TRUE b > 0 [L24] CALL call res := add(a + 1, b - 1); [L22] COND TRUE b > 0 [L24] CALL call res := add(a + 1, b - 1); [L22] COND TRUE b > 0 [L24] CALL call res := add(a + 1, b - 1); [L22] COND FALSE !(b > 0) [L26] COND FALSE !(b < 0) [L32] res := a; [L24] RET call res := add(a + 1, b - 1); [L24] RET call res := add(a + 1, b - 1); [L24] RET call res := add(a + 1, b - 1); [L15] RET call z := add(4, 3); [L17] assert z == 4; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...