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/preboogie.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:19:47,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:19:47,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:19:47,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:19:47,635 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 12:19:47,663 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:19:47,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:19:47,667 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:19:47,667 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:19:47,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:19:47,667 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:19:47,667 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:19:47,668 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:19:47,668 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:19:47,668 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:19:47,668 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:19:47,668 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:19:47,669 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:19:47,669 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:19:47,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:19:47,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:19:47,671 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:19:47,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:19:47,672 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:19:47,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:19:47,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:19:47,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:19:47,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:19:47,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:19:47,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:19:47,673 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:19:47,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:19:47,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:19:47,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:19:47,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:19:47,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:19:47,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:19:47,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:19:47,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:19:47,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:19:47,676 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:19:47,676 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:19:47,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:19:47,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:19:47,676 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:19:47,722 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:19:47,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:19:47,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:19:47,744 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:19:47,744 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:19:47,745 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/preboogie.bpl [2019-08-05 12:19:47,745 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/unclassified/preboogie.bpl' [2019-08-05 12:19:47,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:19:47,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:19:47,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:47,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:19:47,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:19:47,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "preboogie.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:47" (1/1) ... [2019-08-05 12:19:47,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "preboogie.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:47" (1/1) ... [2019-08-05 12:19:47,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:19:47,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:19:47,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:19:47,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:19:47,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "preboogie.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:47" (1/1) ... [2019-08-05 12:19:47,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "preboogie.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:47" (1/1) ... [2019-08-05 12:19:47,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "preboogie.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:47" (1/1) ... [2019-08-05 12:19:47,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "preboogie.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:47" (1/1) ... [2019-08-05 12:19:47,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "preboogie.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:47" (1/1) ... [2019-08-05 12:19:47,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "preboogie.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:47" (1/1) ... [2019-08-05 12:19:47,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "preboogie.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:47" (1/1) ... [2019-08-05 12:19:47,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:19:47,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:19:47,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:19:47,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:19:47,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "preboogie.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:19:47" (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 12:19:47,903 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:19:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:19:47,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:19:47,904 INFO L124 BoogieDeclarations]: Specification and implementation of procedure fibo given in one single declaration [2019-08-05 12:19:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2019-08-05 12:19:47,904 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2019-08-05 12:19:48,169 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:19:48,169 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:19:48,171 INFO L202 PluginConnector]: Adding new model preboogie.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:48 BoogieIcfgContainer [2019-08-05 12:19:48,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:19:48,172 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:19:48,172 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:19:48,172 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:19:48,173 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "preboogie.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:19:48" (1/1) ... [2019-08-05 12:19:48,203 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:19:48,368 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:19:48,396 INFO L272 AbstractInterpreter]: Visited 15 different actions 101 times. Never merged. Never widened. Performed 153 root evaluator evaluations with a maximum evaluation depth of 3. Performed 153 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 5 variables. [2019-08-05 12:19:48,397 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:19:48,402 INFO L168 Benchmark]: Toolchain (without parser) took 622.27 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 85.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:48,403 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 140.5 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 12:19:48,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.60 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 104.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:48,406 INFO L168 Benchmark]: Boogie Preprocessor took 20.03 ms. Allocated memory is still 140.5 MB. Free memory was 104.8 MB in the beginning and 103.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:48,409 INFO L168 Benchmark]: RCFGBuilder took 337.73 ms. Allocated memory is still 140.5 MB. Free memory was 103.7 MB in the beginning and 94.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:48,410 INFO L168 Benchmark]: Abstract Interpretation took 227.38 ms. Allocated memory is still 140.5 MB. Free memory was 94.3 MB in the beginning and 85.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-08-05 12:19:48,416 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 0.14 ms. Allocated memory is still 140.5 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 33.60 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 104.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.03 ms. Allocated memory is still 140.5 MB. Free memory was 104.8 MB in the beginning and 103.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 337.73 ms. Allocated memory is still 140.5 MB. Free memory was 103.7 MB in the beginning and 94.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 227.38 ms. Allocated memory is still 140.5 MB. Free memory was 94.3 MB in the beginning and 85.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 29]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L24] ~x~3 := 3; [L25] CALL call #t~ret2 := fibo(~x~3); [L6] ~n := #in~n; [L7] COND FALSE !(~n == 0) [L9] CALL call #t~ret0 := fibo(~n - 1); [L6] ~n := #in~n; [L7] COND FALSE !(~n == 0) [L9] CALL call #t~ret0 := fibo(~n - 1); [L6] ~n := #in~n; [L7] COND FALSE !(~n == 0) [L9] CALL call #t~ret0 := fibo(~n - 1); [L6] ~n := #in~n; [L7] COND TRUE ~n == 0 [L9] RET call #t~ret0 := fibo(~n - 1); [L11] CALL call #t~ret1 := fibo(~n - 1); [L6] ~n := #in~n; [L7] COND TRUE ~n == 0 [L11] RET call #t~ret1 := fibo(~n - 1); [L13] #res := #t~ret0 + #t~ret1; [L14] havoc #t~ret0; [L15] havoc #t~ret1; [L9] RET call #t~ret0 := fibo(~n - 1); [L11] CALL call #t~ret1 := fibo(~n - 1); [L6] ~n := #in~n; [L7] COND FALSE !(~n == 0) [L9] CALL call #t~ret0 := fibo(~n - 1); [L6] ~n := #in~n; [L7] COND TRUE ~n == 0 [L9] RET call #t~ret0 := fibo(~n - 1); [L11] CALL call #t~ret1 := fibo(~n - 1); [L6] ~n := #in~n; [L7] COND TRUE ~n == 0 [L11] RET call #t~ret1 := fibo(~n - 1); [L13] #res := #t~ret0 + #t~ret1; [L14] havoc #t~ret0; [L15] havoc #t~ret1; [L11] RET call #t~ret1 := fibo(~n - 1); [L13] #res := #t~ret0 + #t~ret1; [L14] havoc #t~ret0; [L15] havoc #t~ret1; [L9] RET call #t~ret0 := fibo(~n - 1); [L11] CALL call #t~ret1 := fibo(~n - 1); [L6] ~n := #in~n; [L7] COND FALSE !(~n == 0) [L9] CALL call #t~ret0 := fibo(~n - 1); [L6] ~n := #in~n; [L7] COND FALSE !(~n == 0) [L9] CALL call #t~ret0 := fibo(~n - 1); [L6] ~n := #in~n; [L7] COND TRUE ~n == 0 [L9] RET call #t~ret0 := fibo(~n - 1); [L11] CALL call #t~ret1 := fibo(~n - 1); [L6] ~n := #in~n; [L7] COND TRUE ~n == 0 [L11] RET call #t~ret1 := fibo(~n - 1); [L13] #res := #t~ret0 + #t~ret1; [L14] havoc #t~ret0; [L15] havoc #t~ret1; [L9] RET call #t~ret0 := fibo(~n - 1); [L11] CALL call #t~ret1 := fibo(~n - 1); [L6] ~n := #in~n; [L7] COND FALSE !(~n == 0) [L9] CALL call #t~ret0 := fibo(~n - 1); [L6] ~n := #in~n; [L7] COND TRUE ~n == 0 [L9] RET call #t~ret0 := fibo(~n - 1); [L11] CALL call #t~ret1 := fibo(~n - 1); [L6] ~n := #in~n; [L7] COND TRUE ~n == 0 [L11] RET call #t~ret1 := fibo(~n - 1); [L13] #res := #t~ret0 + #t~ret1; [L14] havoc #t~ret0; [L15] havoc #t~ret1; [L11] RET call #t~ret1 := fibo(~n - 1); [L13] #res := #t~ret0 + #t~ret1; [L14] havoc #t~ret0; [L15] havoc #t~ret1; [L11] RET call #t~ret1 := fibo(~n - 1); [L13] #res := #t~ret0 + #t~ret1; [L14] havoc #t~ret0; [L15] havoc #t~ret1; [L25] RET call #t~ret2 := fibo(~x~3); [L27] havoc #t~ret2; [L29] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...