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_compound_exp_cong.epf -i ../../../trunk/examples/programs/heapseparator/speedup-poc-dd-2-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fa1c628-m [2019-01-31 15:26:31,949 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-31 15:26:31,952 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-31 15:26:31,966 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-31 15:26:31,966 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-31 15:26:31,967 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-31 15:26:31,969 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-31 15:26:31,972 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-31 15:26:31,973 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-31 15:26:31,974 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-31 15:26:31,975 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-31 15:26:31,976 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-31 15:26:31,977 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-31 15:26:31,978 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-31 15:26:31,979 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-31 15:26:31,980 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-31 15:26:31,980 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-31 15:26:31,982 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-31 15:26:31,985 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-31 15:26:31,986 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-31 15:26:31,988 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-31 15:26:31,989 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-31 15:26:31,991 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-01-31 15:26:32,001 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 [2019-01-31 15:26:32,023 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-31 15:26:32,023 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-31 15:26:32,024 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-31 15:26:32,024 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-31 15:26:32,025 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-31 15:26:32,025 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-31 15:26:32,025 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-31 15:26:32,025 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-31 15:26:32,025 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-31 15:26:32,025 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-31 15:26:32,030 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-31 15:26:32,030 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-01-31 15:26:32,030 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-31 15:26:32,030 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-31 15:26:32,031 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-31 15:26:32,032 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-31 15:26:32,032 INFO L133 SettingsManager]: * Use SBE=true [2019-01-31 15:26:32,032 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-31 15:26:32,032 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-31 15:26:32,032 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-31 15:26:32,033 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-31 15:26:32,034 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-31 15:26:32,035 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-31 15:26:32,035 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-31 15:26:32,035 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-31 15:26:32,035 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-31 15:26:32,035 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-31 15:26:32,036 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-31 15:26:32,036 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-31 15:26:32,037 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-31 15:26:32,037 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-31 15:26:32,037 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 15:26:32,037 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-31 15:26:32,037 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-31 15:26:32,037 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-31 15:26:32,038 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-31 15:26:32,038 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-31 15:26:32,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in [2019-01-31 15:26:32,038 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-31 15:26:32,038 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-31 15:26:32,071 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-31 15:26:32,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-31 15:26:32,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-31 15:26:32,093 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-31 15:26:32,094 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-31 15:26:32,095 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-2-limited.bpl [2019-01-31 15:26:32,095 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-2-limited.bpl' [2019-01-31 15:26:32,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-31 15:26:32,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-31 15:26:32,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-31 15:26:32,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-31 15:26:32,150 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-31 15:26:32,168 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 31.01 03:26:32" (1/1) ... [2019-01-31 15:26:32,182 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 31.01 03:26:32" (1/1) ... [2019-01-31 15:26:32,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-31 15:26:32,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-31 15:26:32,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-31 15:26:32,206 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-31 15:26:32,216 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 31.01 03:26:32" (1/1) ... [2019-01-31 15:26:32,216 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 31.01 03:26:32" (1/1) ... [2019-01-31 15:26:32,217 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 31.01 03:26:32" (1/1) ... [2019-01-31 15:26:32,217 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 31.01 03:26:32" (1/1) ... [2019-01-31 15:26:32,220 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 31.01 03:26:32" (1/1) ... [2019-01-31 15:26:32,223 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 31.01 03:26:32" (1/1) ... [2019-01-31 15:26:32,224 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 31.01 03:26:32" (1/1) ... [2019-01-31 15:26:32,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-31 15:26:32,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-31 15:26:32,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-31 15:26:32,226 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-31 15:26:32,228 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 31.01 03:26:32" (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:8092 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 15:26:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-31 15:26:32,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-31 15:26:32,704 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-31 15:26:32,705 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-31 15:26:32,706 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-2-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 03:26:32 BoogieIcfgContainer [2019-01-31 15:26:32,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-31 15:26:32,707 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-31 15:26:32,707 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-31 15:26:32,707 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-31 15:26:32,709 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 31.01 03:26:32" (1/1) ... [2019-01-31 15:26:32,737 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-31 15:26:32,962 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-31 15:26:32,987 INFO L272 AbstractInterpreter]: Visited 8 different actions 8 times. Never merged. Never widened. Performed 34 root evaluator evaluations with a maximum evaluation depth of 3. Performed 34 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-01-31 15:26:32,992 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-31 15:26:32,993 INFO L168 Benchmark]: Toolchain (without parser) took 845.53 ms. Allocated memory is still 132.1 MB. Free memory was 107.2 MB in the beginning and 85.0 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:32,996 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 132.1 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-31 15:26:32,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.39 ms. Allocated memory is still 132.1 MB. Free memory was 107.2 MB in the beginning and 105.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:32,999 INFO L168 Benchmark]: Boogie Preprocessor took 19.94 ms. Allocated memory is still 132.1 MB. Free memory was 104.8 MB in the beginning and 103.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:33,001 INFO L168 Benchmark]: RCFGBuilder took 480.17 ms. Allocated memory is still 132.1 MB. Free memory was 103.8 MB in the beginning and 92.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:33,003 INFO L168 Benchmark]: Abstract Interpretation took 285.09 ms. Allocated memory is still 132.1 MB. Free memory was 92.9 MB in the beginning and 85.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:33,011 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 0.17 ms. Allocated memory is still 132.1 MB. Free memory is still 108.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 55.39 ms. Allocated memory is still 132.1 MB. Free memory was 107.2 MB in the beginning and 105.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.94 ms. Allocated memory is still 132.1 MB. Free memory was 104.8 MB in the beginning and 103.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 480.17 ms. Allocated memory is still 132.1 MB. Free memory was 103.8 MB in the beginning and 92.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 285.09 ms. Allocated memory is still 132.1 MB. Free memory was 92.9 MB in the beginning and 85.0 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 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...