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_oct_cong.epf -i ../../../trunk/examples/programs/heapseparator/speedup-poc-dd-2-limited.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1de736e-m [2019-02-15 11:39:45,046 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-15 11:39:45,049 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-15 11:39:45,061 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-15 11:39:45,061 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-15 11:39:45,062 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-15 11:39:45,064 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-15 11:39:45,066 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-15 11:39:45,067 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-15 11:39:45,068 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-15 11:39:45,069 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-02-15 11:39:45,069 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-02-15 11:39:45,070 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-02-15 11:39:45,072 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-02-15 11:39:45,073 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-02-15 11:39:45,074 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-02-15 11:39:45,075 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-02-15 11:39:45,077 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-02-15 11:39:45,079 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-02-15 11:39:45,081 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-02-15 11:39:45,082 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-02-15 11:39:45,084 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-02-15 11:39:45,087 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-02-15 11:39:45,096 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_oct_cong.epf [2019-02-15 11:39:45,110 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-15 11:39:45,110 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-15 11:39:45,111 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-15 11:39:45,112 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-15 11:39:45,112 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-15 11:39:45,112 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-15 11:39:45,112 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-15 11:39:45,112 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-15 11:39:45,113 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-15 11:39:45,113 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-02-15 11:39:45,113 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-15 11:39:45,113 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-15 11:39:45,114 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-15 11:39:45,114 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-15 11:39:45,114 INFO L133 SettingsManager]: * Use SBE=true [2019-02-15 11:39:45,115 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-15 11:39:45,115 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-15 11:39:45,115 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-15 11:39:45,115 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-15 11:39:45,116 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-15 11:39:45,116 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-15 11:39:45,116 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-15 11:39:45,116 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-15 11:39:45,116 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-15 11:39:45,117 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-15 11:39:45,117 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-15 11:39:45,117 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-15 11:39:45,117 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-15 11:39:45,117 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-15 11:39:45,118 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-15 11:39:45,118 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-15 11:39:45,118 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-15 11:39:45,118 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-15 11:39:45,119 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-15 11:39:45,119 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-15 11:39:45,119 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-15 11:39:45,119 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-15 11:39:45,119 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-15 11:39:45,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-15 11:39:45,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-15 11:39:45,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-15 11:39:45,170 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-15 11:39:45,170 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-15 11:39:45,171 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-2-limited.bpl [2019-02-15 11:39:45,172 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/heapseparator/speedup-poc-dd-2-limited.bpl' [2019-02-15 11:39:45,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-15 11:39:45,220 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-15 11:39:45,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-15 11:39:45,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-15 11:39:45,221 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-15 11:39:45,242 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 15.02 11:39:45" (1/1) ... [2019-02-15 11:39:45,256 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 15.02 11:39:45" (1/1) ... [2019-02-15 11:39:45,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-15 11:39:45,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-15 11:39:45,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-15 11:39:45,284 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-15 11:39:45,296 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 15.02 11:39:45" (1/1) ... [2019-02-15 11:39:45,297 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 15.02 11:39:45" (1/1) ... [2019-02-15 11:39:45,298 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 15.02 11:39:45" (1/1) ... [2019-02-15 11:39:45,299 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 15.02 11:39:45" (1/1) ... [2019-02-15 11:39:45,303 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 15.02 11:39:45" (1/1) ... [2019-02-15 11:39:45,307 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 15.02 11:39:45" (1/1) ... [2019-02-15 11:39:45,308 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 15.02 11:39:45" (1/1) ... [2019-02-15 11:39:45,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-15 11:39:45,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-15 11:39:45,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-15 11:39:45,310 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-15 11:39:45,312 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 15.02 11:39:45" (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 [2019-02-15 11:39:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-15 11:39:45,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-15 11:39:45,622 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-15 11:39:45,623 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-02-15 11:39:45,625 INFO L202 PluginConnector]: Adding new model speedup-poc-dd-2-limited.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 11:39:45 BoogieIcfgContainer [2019-02-15 11:39:45,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-15 11:39:45,626 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-15 11:39:45,626 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-15 11:39:45,626 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-15 11:39:45,627 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 15.02 11:39:45" (1/1) ... [2019-02-15 11:39:45,684 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-15 11:39:45,768 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-15 11:39:45,787 INFO L272 AbstractInterpreter]: Visited 8 different actions 8 times. Never merged. Never widened. Performed 17 root evaluator evaluations with a maximum evaluation depth of 3. Performed 17 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-02-15 11:39:45,789 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-15 11:39:45,790 INFO L168 Benchmark]: Toolchain (without parser) took 571.69 ms. Allocated memory is still 140.0 MB. Free memory was 107.5 MB in the beginning and 87.4 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-02-15 11:39:45,793 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-15 11:39:45,793 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.77 ms. Allocated memory is still 140.0 MB. Free memory was 107.3 MB in the beginning and 105.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-02-15 11:39:45,795 INFO L168 Benchmark]: Boogie Preprocessor took 26.00 ms. Allocated memory is still 140.0 MB. Free memory was 105.2 MB in the beginning and 104.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-02-15 11:39:45,796 INFO L168 Benchmark]: RCFGBuilder took 315.20 ms. Allocated memory is still 140.0 MB. Free memory was 104.1 MB in the beginning and 94.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-02-15 11:39:45,798 INFO L168 Benchmark]: Abstract Interpretation took 163.27 ms. Allocated memory is still 140.0 MB. Free memory was 94.7 MB in the beginning and 87.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. [2019-02-15 11:39:45,803 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 0.22 ms. Allocated memory is still 140.0 MB. Free memory is still 108.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.77 ms. Allocated memory is still 140.0 MB. Free memory was 107.3 MB in the beginning and 105.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.00 ms. Allocated memory is still 140.0 MB. Free memory was 105.2 MB in the beginning and 104.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 315.20 ms. Allocated memory is still 140.0 MB. Free memory was 104.1 MB in the beginning and 94.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 163.27 ms. Allocated memory is still 140.0 MB. Free memory was 94.7 MB in the beginning and 87.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 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...