java -ea -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_array_compound_exp_cong.epf -i ../../../trunk/examples/programs/heapseparator/speedup-poc-dd-2-unlimited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1377b90 [2019-01-07 15:21:05,693 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 15:21:05,695 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 15:21:05,707 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-07 15:21:05,708 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-07 15:21:05,709 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-07 15:21:05,710 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-07 15:21:05,712 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-07 15:21:05,714 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-07 15:21:05,715 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-07 15:21:05,716 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-07 15:21:05,741 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf [2019-01-07 15:21:05,754 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 15:21:05,754 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 15:21:05,755 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 15:21:05,755 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 15:21:05,756 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 15:21:05,756 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 15:21:05,756 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 15:21:05,756 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 15:21:05,756 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-07 15:21:05,757 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 15:21:05,757 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-07 15:21:05,757 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-07 15:21:05,757 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 15:21:05,757 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 15:21:05,758 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 15:21:05,758 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 15:21:05,759 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 15:21:05,759 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 15:21:05,759 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 15:21:05,759 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 15:21:05,760 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 15:21:05,760 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 15:21:05,760 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 15:21:05,760 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 15:21:05,760 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 15:21:05,760 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 15:21:05,761 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 15:21:05,761 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 15:21:05,761 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 15:21:05,761 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 15:21:05,761 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 15:21:05,762 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 15:21:05,762 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 15:21:05,762 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 15:21:05,762 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 15:21:05,763 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 15:21:05,763 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 15:21:05,763 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 15:21:05,763 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 15:21:05,763 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 15:21:05,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 15:21:05,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 15:21:05,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 15:21:05,825 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 15:21:05,826 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 15:21:05,827 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-2-unlimited.bpl [2019-01-07 15:21:05,827 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-2-unlimited.bpl' [2019-01-07 15:21:05,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 15:21:05,882 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 15:21:05,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 15:21:05,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 15:21:05,884 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 15:21:05,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-2-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:05" (1/1) ... [2019-01-07 15:21:05,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-2-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:05" (1/1) ... [2019-01-07 15:21:05,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 15:21:05,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 15:21:05,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 15:21:05,951 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 15:21:05,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-2-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:05" (1/1) ... [2019-01-07 15:21:05,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-2-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:05" (1/1) ... [2019-01-07 15:21:05,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-2-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:05" (1/1) ... [2019-01-07 15:21:05,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-2-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:05" (1/1) ... [2019-01-07 15:21:05,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-2-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:05" (1/1) ... [2019-01-07 15:21:05,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-2-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:05" (1/1) ... [2019-01-07 15:21:05,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-2-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:05" (1/1) ... [2019-01-07 15:21:05,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 15:21:05,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 15:21:05,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 15:21:05,977 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 15:21:05,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-2-unlimited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:21:05" (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 [2019-01-07 15:21:06,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 15:21:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 15:21:06,547 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 15:21:06,547 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-07 15:21:06,549 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-2-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 03:21:06 BoogieIcfgContainer [2019-01-07 15:21:06,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 15:21:06,550 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-07 15:21:06,550 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-07 15:21:06,550 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-07 15:21:06,551 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "speedup-poc-dd-2-unlimited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 03:21:06" (1/1) ... [2019-01-07 15:21:06,590 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 15:21:10,755 WARN L212 ngHoareTripleChecker]: Soundness check inconclusive for the following hoare triple [2019-01-07 15:21:10,755 WARN L217 ngHoareTripleChecker]: Expected: VALID Actual: UNKNOWN [2019-01-07 15:21:10,756 WARN L219 ngHoareTripleChecker]: Solver was "Z3" in version "4.8.3" [2019-01-07 15:21:10,757 WARN L223 ngHoareTripleChecker]: -- [2019-01-07 15:21:10,757 WARN L224 ngHoareTripleChecker]: Pre: {2147483629#(forall ((v_idx_173 Int) (v_idx_174 Int) (v_idx_171 Int) (v_idx_172 Int) (v_idx_177 Int) (v_idx_175 Int) (v_idx_176 Int)) (exists ((v_v_24_1 Int) (v_b_11_1 Int) (v_v_22_1 Int) (v_v_23_1 Int) (v_v_65_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_b_10_1 Int) (v_v_16_1 Int)) (and (or (< v_idx_177 v_b_11_1) (= v_v_24_1 (select |c_#valid| v_idx_177))) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_173) v_v_16_1) (or (<= v_b_10_1 v_idx_175) (= v_v_22_1 (select |c_#valid| v_idx_175))) (= (select |c_old(#memory_int)| v_idx_171) v_v_4_1) (= (select |c_#memory_int| v_idx_172) v_v_65_1) (= v_v_2_1 (select |c_old(#valid)| v_idx_174)) (or (= v_v_23_1 (select |c_#valid| v_idx_176)) (<= v_b_11_1 v_idx_176) (< v_idx_176 v_b_10_1)) (= v_v_23_1 1))))} [2019-01-07 15:21:10,761 WARN L228 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p2] <= 0); [2019-01-07 15:21:10,762 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0)) [2019-01-07 15:21:10,763 WARN L230 ngHoareTripleChecker]: Post: {2147483628#(forall ((v_idx_179 Int) (v_idx_180 Int) (v_idx_181 Int) (v_idx_184 Int) (v_idx_182 Int) (v_idx_183 Int) (v_idx_178 Int)) (exists ((v_v_24_1 Int) (v_b_11_1 Int) (v_v_194_1 Int) (v_v_22_1 Int) (v_v_23_1 Int) (v_v_2_1 Int) (v_v_4_1 Int) (v_b_10_1 Int) (v_v_16_1 Int)) (and (= v_v_4_1 (select |c_old(#memory_int)| v_idx_178)) (= v_v_2_1 (select |c_old(#valid)| v_idx_181)) (or (= v_v_24_1 (select |c_#valid| v_idx_184)) (< v_idx_184 v_b_11_1)) (or (<= v_b_11_1 v_idx_183) (= v_v_23_1 (select |c_#valid| v_idx_183)) (< v_idx_183 v_b_10_1)) (= v_v_194_1 (select |c_#memory_int| v_idx_179)) (or (<= v_b_10_1 v_idx_182) (= v_v_22_1 (select |c_#valid| v_idx_182))) (= (select |c_ULTIMATE.start_malloc_old_#valid| v_idx_180) v_v_16_1) (= v_v_23_1 1))))} [2019-01-07 15:21:10,763 WARN L263 ngHoareTripleChecker]: unsat core / model generation is disabled, enable it to get more details [2019-01-07 15:21:11,130 WARN L268 ngHoareTripleChecker]: -- [2019-01-07 15:21:11,131 WARN L269 ngHoareTripleChecker]: Simplified triple [2019-01-07 15:21:11,355 WARN L270 ngHoareTripleChecker]: Pre: {2147483629#true} [2019-01-07 15:21:11,355 WARN L274 ngHoareTripleChecker]: Action: assume !(#memory_int[main_p2] <= 0); [2019-01-07 15:21:11,356 WARN L184 hOps$ForEachOp$OfRef]: ActionStr: (not (<= (select |c_#memory_int| c_ULTIMATE.start_main_p2) 0)) [2019-01-07 15:21:11,631 WARN L276 ngHoareTripleChecker]: Post: {2147483628#true} [2019-01-07 15:21:11,848 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 15:21:11,866 INFO L272 AbstractInterpreter]: Visited 8 different actions 12 times. Merged at 1 different actions 1 times. Never widened. Found 5 fixpoints after 4 different actions. Largest state had 0 variables. [2019-01-07 15:21:11,868 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-07 15:21:11,870 INFO L168 Benchmark]: Toolchain (without parser) took 5988.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2019-01-07 15:21:11,872 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 15:21:11,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.64 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 15:21:11,874 INFO L168 Benchmark]: Boogie Preprocessor took 26.07 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-07 15:21:11,875 INFO L168 Benchmark]: RCFGBuilder took 572.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-01-07 15:21:11,876 INFO L168 Benchmark]: Abstract Interpretation took 5318.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. [2019-01-07 15:21:11,883 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.64 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.07 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 572.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 5318.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 95.2 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 31]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L36-L37] modifies #valid; [L36-L38] ensures old(#valid)[ptr] == 0; [L36-L39] ensures #valid == old(#valid)[ptr := 1]; [L36-L37] modifies #valid; [L36-L38] ensures old(#valid)[ptr] == 0; [L36-L39] ensures #valid == old(#valid)[ptr := 1]; [L20] #memory_int[p1] := 0; [L21] #memory_int[p2] := 0; [L31] assert #memory_int[p1] >= 0; - UnprovableResult [Line: 32]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L36-L37] modifies #valid; [L36-L38] ensures old(#valid)[ptr] == 0; [L36-L39] ensures #valid == old(#valid)[ptr := 1]; [L36-L37] modifies #valid; [L36-L38] ensures old(#valid)[ptr] == 0; [L36-L39] ensures #valid == old(#valid)[ptr := 1]; [L20] #memory_int[p1] := 0; [L21] #memory_int[p2] := 0; [L31] assert #memory_int[p1] >= 0; [L32] assert #memory_int[p2] <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...