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/heapseparator/speedup-poc-dd-4-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:13:44,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:13:44,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:13:44,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:13:44,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:13:44,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:13:44,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:13:44,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:13:44,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:13:44,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:13:44,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:13:44,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:13:44,885 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 12:13:44,900 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:13:44,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:13:44,901 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:13:44,903 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:13:44,903 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:13:44,904 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:13:44,904 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:13:44,904 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:13:44,904 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:13:44,904 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:13:44,905 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:13:44,905 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:13:44,905 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:13:44,905 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:13:44,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:13:44,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:13:44,908 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:13:44,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:13:44,909 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:13:44,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:13:44,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:13:44,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:13:44,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:13:44,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:13:44,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:13:44,910 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:13:44,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:13:44,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:13:44,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:13:44,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:13:44,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:13:44,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:13:44,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:13:44,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:13:44,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:13:44,912 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:13:44,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:13:44,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:13:44,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:13:44,913 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:13:44,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:13:44,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:13:44,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:13:44,985 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:13:44,985 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:13:44,986 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-4-limited.bpl [2019-08-05 12:13:44,986 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-4-limited.bpl' [2019-08-05 12:13:45,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:13:45,030 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:13:45,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:13:45,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:13:45,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:13:45,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:45" (1/1) ... [2019-08-05 12:13:45,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:45" (1/1) ... [2019-08-05 12:13:45,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:13:45,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:13:45,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:13:45,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:13:45,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:45" (1/1) ... [2019-08-05 12:13:45,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:45" (1/1) ... [2019-08-05 12:13:45,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:45" (1/1) ... [2019-08-05 12:13:45,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:45" (1/1) ... [2019-08-05 12:13:45,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:45" (1/1) ... [2019-08-05 12:13:45,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:45" (1/1) ... [2019-08-05 12:13:45,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:45" (1/1) ... [2019-08-05 12:13:45,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:13:45,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:13:45,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:13:45,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:13:45,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:13:45" (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 12:13:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:13:45,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:13:45,487 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:13:45,487 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-08-05 12:13:45,489 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:13:45 BoogieIcfgContainer [2019-08-05 12:13:45,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:13:45,489 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:13:45,490 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:13:45,490 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:13:45,491 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:13:45" (1/1) ... [2019-08-05 12:13:45,521 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:13:45,650 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:13:45,679 INFO L272 AbstractInterpreter]: Visited 14 different actions 14 times. Never merged. Never widened. Performed 70 root evaluator evaluations with a maximum evaluation depth of 3. Performed 70 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 4 different actions. Largest state had 0 variables. [2019-08-05 12:13:45,679 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:13:45,682 INFO L168 Benchmark]: Toolchain (without parser) took 651.63 ms. Allocated memory is still 134.7 MB. Free memory was 108.7 MB in the beginning and 88.0 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:13:45,683 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 134.7 MB. Free memory is still 109.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:13:45,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.05 ms. Allocated memory is still 134.7 MB. Free memory was 108.3 MB in the beginning and 106.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 12:13:45,686 INFO L168 Benchmark]: Boogie Preprocessor took 31.09 ms. Allocated memory is still 134.7 MB. Free memory was 106.1 MB in the beginning and 104.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:13:45,687 INFO L168 Benchmark]: RCFGBuilder took 356.70 ms. Allocated memory is still 134.7 MB. Free memory was 104.9 MB in the beginning and 94.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:13:45,689 INFO L168 Benchmark]: Abstract Interpretation took 189.80 ms. Allocated memory is still 134.7 MB. Free memory was 94.3 MB in the beginning and 88.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:13:45,694 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 0.17 ms. Allocated memory is still 134.7 MB. Free memory is still 109.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 65.05 ms. Allocated memory is still 134.7 MB. Free memory was 108.3 MB in the beginning and 106.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.09 ms. Allocated memory is still 134.7 MB. Free memory was 106.1 MB in the beginning and 104.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 356.70 ms. Allocated memory is still 134.7 MB. Free memory was 104.9 MB in the beginning and 94.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 189.80 ms. Allocated memory is still 134.7 MB. Free memory was 94.3 MB in the beginning and 88.0 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 43]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L50-L51] modifies #valid; [L50-L52] ensures old(#valid)[ptr] == 0; [L50-L53] ensures #valid == old(#valid)[ptr := 1]; [L50-L51] modifies #valid; [L50-L52] ensures old(#valid)[ptr] == 0; [L50-L53] ensures #valid == old(#valid)[ptr := 1]; [L50-L51] modifies #valid; [L50-L52] ensures old(#valid)[ptr] == 0; [L50-L53] ensures #valid == old(#valid)[ptr := 1]; [L50-L51] modifies #valid; [L50-L52] ensures old(#valid)[ptr] == 0; [L50-L53] ensures #valid == old(#valid)[ptr := 1]; [L22] assume p1 < p2; [L23] assume p2 < p3; [L24] assume p3 < p4; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L43] assert #memory_int[p1] >= 0; - UnprovableResult [Line: 44]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L50-L51] modifies #valid; [L50-L52] ensures old(#valid)[ptr] == 0; [L50-L53] ensures #valid == old(#valid)[ptr := 1]; [L50-L51] modifies #valid; [L50-L52] ensures old(#valid)[ptr] == 0; [L50-L53] ensures #valid == old(#valid)[ptr := 1]; [L50-L51] modifies #valid; [L50-L52] ensures old(#valid)[ptr] == 0; [L50-L53] ensures #valid == old(#valid)[ptr := 1]; [L50-L51] modifies #valid; [L50-L52] ensures old(#valid)[ptr] == 0; [L50-L53] ensures #valid == old(#valid)[ptr := 1]; [L22] assume p1 < p2; [L23] assume p2 < p3; [L24] assume p3 < p4; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L43] assert #memory_int[p1] >= 0; [L44] assert #memory_int[p2] <= 0; - UnprovableResult [Line: 45]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L50-L51] modifies #valid; [L50-L52] ensures old(#valid)[ptr] == 0; [L50-L53] ensures #valid == old(#valid)[ptr := 1]; [L50-L51] modifies #valid; [L50-L52] ensures old(#valid)[ptr] == 0; [L50-L53] ensures #valid == old(#valid)[ptr := 1]; [L50-L51] modifies #valid; [L50-L52] ensures old(#valid)[ptr] == 0; [L50-L53] ensures #valid == old(#valid)[ptr := 1]; [L50-L51] modifies #valid; [L50-L52] ensures old(#valid)[ptr] == 0; [L50-L53] ensures #valid == old(#valid)[ptr := 1]; [L22] assume p1 < p2; [L23] assume p2 < p3; [L24] assume p3 < p4; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L43] assert #memory_int[p1] >= 0; [L44] assert #memory_int[p2] <= 0; [L45] assert #memory_int[p3] >= 0; - UnprovableResult [Line: 46]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L50-L51] modifies #valid; [L50-L52] ensures old(#valid)[ptr] == 0; [L50-L53] ensures #valid == old(#valid)[ptr := 1]; [L50-L51] modifies #valid; [L50-L52] ensures old(#valid)[ptr] == 0; [L50-L53] ensures #valid == old(#valid)[ptr := 1]; [L50-L51] modifies #valid; [L50-L52] ensures old(#valid)[ptr] == 0; [L50-L53] ensures #valid == old(#valid)[ptr := 1]; [L50-L51] modifies #valid; [L50-L52] ensures old(#valid)[ptr] == 0; [L50-L53] ensures #valid == old(#valid)[ptr := 1]; [L22] assume p1 < p2; [L23] assume p2 < p3; [L24] assume p3 < p4; [L26] #memory_int[p1] := 0; [L27] #memory_int[p2] := 0; [L28] #memory_int[p3] := 0; [L29] #memory_int[p4] := 0; [L43] assert #memory_int[p1] >= 0; [L44] assert #memory_int[p2] <= 0; [L45] assert #memory_int[p3] >= 0; [L46] assert #memory_int[p4] <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...