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 0.1.24-0302a3f [2019-02-25 16:08:13,091 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-25 16:08:13,093 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-25 16:08:13,107 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-25 16:08:13,107 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-25 16:08:13,108 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-25 16:08:13,110 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-25 16:08:13,111 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-25 16:08:13,114 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-25 16:08:13,115 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-25 16:08:13,116 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-02-25 16:08:13,165 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-02-25 16:08:13,183 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-25 16:08:13,184 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-25 16:08:13,185 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-25 16:08:13,185 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-25 16:08:13,185 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-25 16:08:13,185 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-25 16:08:13,185 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-25 16:08:13,186 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-25 16:08:13,186 INFO L133 SettingsManager]: * Explicit value domain=true [2019-02-25 16:08:13,186 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-25 16:08:13,186 INFO L133 SettingsManager]: * Octagon Domain=false [2019-02-25 16:08:13,186 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-02-25 16:08:13,187 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-25 16:08:13,187 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-25 16:08:13,188 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-25 16:08:13,188 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-25 16:08:13,188 INFO L133 SettingsManager]: * Use SBE=true [2019-02-25 16:08:13,188 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-25 16:08:13,188 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-25 16:08:13,189 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-25 16:08:13,189 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-25 16:08:13,189 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-25 16:08:13,189 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-25 16:08:13,189 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-25 16:08:13,190 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-25 16:08:13,190 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-25 16:08:13,190 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-25 16:08:13,190 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-25 16:08:13,190 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-25 16:08:13,191 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-25 16:08:13,191 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-25 16:08:13,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-25 16:08:13,191 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-25 16:08:13,191 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-25 16:08:13,192 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-25 16:08:13,192 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-25 16:08:13,192 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-25 16:08:13,192 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-25 16:08:13,192 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-25 16:08:13,193 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-25 16:08:13,224 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-25 16:08:13,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-25 16:08:13,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-25 16:08:13,250 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-25 16:08:13,250 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-25 16:08:13,251 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-4-limited.bpl [2019-02-25 16:08:13,251 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-4-limited.bpl' [2019-02-25 16:08:13,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-25 16:08:13,297 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-25 16:08:13,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-25 16:08:13,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-25 16:08:13,298 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-25 16:08:13,315 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 25.02 04:08:13" (1/1) ... [2019-02-25 16:08:13,328 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 25.02 04:08:13" (1/1) ... [2019-02-25 16:08:13,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-25 16:08:13,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-25 16:08:13,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-25 16:08:13,352 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-25 16:08:13,363 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 25.02 04:08:13" (1/1) ... [2019-02-25 16:08:13,363 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 25.02 04:08:13" (1/1) ... [2019-02-25 16:08:13,365 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 25.02 04:08:13" (1/1) ... [2019-02-25 16:08:13,365 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 25.02 04:08:13" (1/1) ... [2019-02-25 16:08:13,368 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 25.02 04:08:13" (1/1) ... [2019-02-25 16:08:13,372 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 25.02 04:08:13" (1/1) ... [2019-02-25 16:08:13,373 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 25.02 04:08:13" (1/1) ... [2019-02-25 16:08:13,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-25 16:08:13,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-25 16:08:13,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-25 16:08:13,375 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-25 16:08:13,376 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 25.02 04:08:13" (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 [2019-02-25 16:08:13,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-25 16:08:13,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-25 16:08:13,832 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-25 16:08:13,832 INFO L286 CfgBuilder]: Removed 11 assue(true) statements. [2019-02-25 16:08:13,834 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-4-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.02 04:08:13 BoogieIcfgContainer [2019-02-25 16:08:13,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-25 16:08:13,835 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-25 16:08:13,835 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-25 16:08:13,835 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-25 16:08:13,836 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 25.02 04:08:13" (1/1) ... [2019-02-25 16:08:13,877 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-25 16:08:14,023 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-25 16:08:14,063 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. [2019-02-25 16:08:14,064 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-25 16:08:14,066 INFO L168 Benchmark]: Toolchain (without parser) took 769.17 ms. Allocated memory is still 134.7 MB. Free memory was 110.0 MB in the beginning and 90.2 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-02-25 16:08:14,068 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 134.7 MB. Free memory is still 111.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-25 16:08:14,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.64 ms. Allocated memory is still 134.7 MB. Free memory was 109.8 MB in the beginning and 107.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-02-25 16:08:14,070 INFO L168 Benchmark]: Boogie Preprocessor took 22.76 ms. Allocated memory is still 134.7 MB. Free memory was 107.5 MB in the beginning and 106.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-02-25 16:08:14,072 INFO L168 Benchmark]: RCFGBuilder took 458.89 ms. Allocated memory is still 134.7 MB. Free memory was 106.5 MB in the beginning and 96.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-02-25 16:08:14,073 INFO L168 Benchmark]: Abstract Interpretation took 230.07 ms. Allocated memory is still 134.7 MB. Free memory was 96.3 MB in the beginning and 90.2 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2019-02-25 16:08:14,080 INFO L336 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 134.7 MB. Free memory is still 111.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.64 ms. Allocated memory is still 134.7 MB. Free memory was 109.8 MB in the beginning and 107.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.76 ms. Allocated memory is still 134.7 MB. Free memory was 107.5 MB in the beginning and 106.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 458.89 ms. Allocated memory is still 134.7 MB. Free memory was 106.5 MB in the beginning and 96.3 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 230.07 ms. Allocated memory is still 134.7 MB. Free memory was 96.3 MB in the beginning and 90.2 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 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...