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_oct.epf -i ../../../trunk/examples/programs/heapseparator/speedup-poc-dd-2-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f57a05f [2019-01-07 19:04:55,949 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 19:04:55,951 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 19:04:55,964 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-07 19:04:55,964 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-07 19:04:55,965 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-07 19:04:55,967 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-07 19:04:55,969 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-07 19:04:55,971 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-07 19:04:55,972 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-07 19:04:55,973 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-07 19:04:56,001 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_oct.epf [2019-01-07 19:04:56,015 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 19:04:56,016 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 19:04:56,017 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 19:04:56,017 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 19:04:56,017 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 19:04:56,017 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 19:04:56,018 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 19:04:56,018 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 19:04:56,018 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 19:04:56,018 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-07 19:04:56,019 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2019-01-07 19:04:56,019 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 19:04:56,019 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 19:04:56,020 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 19:04:56,020 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 19:04:56,020 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 19:04:56,020 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 19:04:56,021 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 19:04:56,021 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 19:04:56,021 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 19:04:56,021 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 19:04:56,022 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 19:04:56,022 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 19:04:56,022 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 19:04:56,022 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 19:04:56,022 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 19:04:56,023 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 19:04:56,023 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 19:04:56,023 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 19:04:56,023 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 19:04:56,023 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 19:04:56,024 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 19:04:56,024 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 19:04:56,024 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 19:04:56,024 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 19:04:56,024 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 19:04:56,025 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 19:04:56,025 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 19:04:56,025 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 19:04:56,071 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 19:04:56,086 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 19:04:56,090 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 19:04:56,092 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 19:04:56,093 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 19:04:56,094 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-2-limited.bpl [2019-01-07 19:04:56,094 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-2-limited.bpl' [2019-01-07 19:04:56,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 19:04:56,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 19:04:56,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 19:04:56,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 19:04:56,153 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 19:04:56,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "speedup-poc-dd-2-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:04:56" (1/1) ... [2019-01-07 19:04:56,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "speedup-poc-dd-2-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:04:56" (1/1) ... [2019-01-07 19:04:56,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 19:04:56,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 19:04:56,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 19:04:56,225 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 19:04:56,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "speedup-poc-dd-2-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:04:56" (1/1) ... [2019-01-07 19:04:56,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "speedup-poc-dd-2-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:04:56" (1/1) ... [2019-01-07 19:04:56,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "speedup-poc-dd-2-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:04:56" (1/1) ... [2019-01-07 19:04:56,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "speedup-poc-dd-2-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:04:56" (1/1) ... [2019-01-07 19:04:56,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "speedup-poc-dd-2-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:04:56" (1/1) ... [2019-01-07 19:04:56,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "speedup-poc-dd-2-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:04:56" (1/1) ... [2019-01-07 19:04:56,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "speedup-poc-dd-2-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:04:56" (1/1) ... [2019-01-07 19:04:56,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 19:04:56,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 19:04:56,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 19:04:56,255 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 19:04:56,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "speedup-poc-dd-2-limited.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 07:04:56" (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 19:04:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 19:04:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 19:04:56,651 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 19:04:56,651 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-07 19:04:56,653 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-2-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 07:04:56 BoogieIcfgContainer [2019-01-07 19:04:56,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 19:04:56,654 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-07 19:04:56,654 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-07 19:04:56,655 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-07 19:04:56,655 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "speedup-poc-dd-2-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 07:04:56" (1/1) ... [2019-01-07 19:04:56,708 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 19:04:56,928 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 19:04:56,950 INFO L272 AbstractInterpreter]: Visited 8 different actions 8 times. Never merged. Never widened. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-01-07 19:04:56,952 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-07 19:04:56,954 INFO L168 Benchmark]: Toolchain (without parser) took 803.26 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-01-07 19:04:56,956 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.30 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 19:04:56,957 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.14 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 19:04:56,958 INFO L168 Benchmark]: Boogie Preprocessor took 29.56 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 19:04:56,959 INFO L168 Benchmark]: RCFGBuilder took 398.65 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 19:04:56,960 INFO L168 Benchmark]: Abstract Interpretation took 298.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-01-07 19:04:56,966 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 0.30 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 71.14 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 29.56 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 398.65 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 298.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 33]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L38-L39] modifies #valid; [L38-L40] ensures old(#valid)[ptr] == 0; [L38-L41] ensures #valid == old(#valid)[ptr := 1]; [L38-L39] modifies #valid; [L38-L40] ensures old(#valid)[ptr] == 0; [L38-L41] ensures #valid == old(#valid)[ptr := 1]; [L20] assume p1 < p2; [L22] #memory_int[p1] := 0; [L23] #memory_int[p2] := 0; [L33] assert #memory_int[p1] >= 0; - UnprovableResult [Line: 34]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L38-L39] modifies #valid; [L38-L40] ensures old(#valid)[ptr] == 0; [L38-L41] ensures #valid == old(#valid)[ptr := 1]; [L38-L39] modifies #valid; [L38-L40] ensures old(#valid)[ptr] == 0; [L38-L41] ensures #valid == old(#valid)[ptr := 1]; [L20] assume p1 < p2; [L22] #memory_int[p1] := 0; [L23] #memory_int[p2] := 0; [L33] assert #memory_int[p1] >= 0; [L34] assert #memory_int[p2] <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...