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_array_oct.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f57a05f [2019-01-08 15:50:48,884 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-08 15:50:48,885 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-08 15:50:48,898 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-08 15:50:48,899 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-08 15:50:48,900 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-08 15:50:48,901 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-08 15:50:48,904 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-08 15:50:48,907 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-08 15:50:48,908 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-08 15:50:48,909 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-08 15:50:48,909 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-08 15:50:48,910 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-08 15:50:48,913 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-08 15:50:48,914 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-08 15:50:48,915 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-08 15:50:48,918 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-08 15:50:48,923 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-08 15:50:48,925 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-08 15:50:48,927 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-08 15:50:48,928 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-08 15:50:48,929 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-08 15:50:48,931 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-08 15:50:48,931 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-08 15:50:48,932 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-08 15:50:48,933 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-08 15:50:48,934 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-08 15:50:48,934 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-08 15:50:48,935 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-08 15:50:48,936 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-08 15:50:48,936 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-08 15:50:48,937 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2019-01-08 15:50:48,940 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2019-01-08 15:50:48,967 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-08 15:50:48,967 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-08 15:50:48,968 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-08 15:50:48,968 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-08 15:50:48,968 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-08 15:50:48,972 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-08 15:50:48,972 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-08 15:50:48,972 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-08 15:50:48,972 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-08 15:50:48,973 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-08 15:50:48,973 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-08 15:50:48,973 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-08 15:50:48,973 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-08 15:50:48,974 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-08 15:50:48,974 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-08 15:50:48,974 INFO L133 SettingsManager]: * Use SBE=true [2019-01-08 15:50:48,976 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-08 15:50:48,976 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-08 15:50:48,977 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-08 15:50:48,977 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-08 15:50:48,977 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-08 15:50:48,977 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-08 15:50:48,977 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-08 15:50:48,978 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-08 15:50:48,978 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-08 15:50:48,978 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-08 15:50:48,979 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-08 15:50:48,979 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-08 15:50:48,979 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-08 15:50:48,979 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-08 15:50:48,979 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in -t:2000 [2019-01-08 15:50:48,980 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-08 15:50:48,980 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-08 15:50:48,980 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-08 15:50:48,980 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-08 15:50:48,980 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-08 15:50:48,981 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in [2019-01-08 15:50:48,981 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-08 15:50:48,982 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-08 15:50:49,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-08 15:50:49,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-08 15:50:49,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-08 15:50:49,056 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-08 15:50:49,057 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-08 15:50:49,057 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified01.bpl [2019-01-08 15:50:49,057 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified01.bpl' [2019-01-08 15:50:49,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-08 15:50:49,105 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-08 15:50:49,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-08 15:50:49,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-08 15:50:49,107 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-08 15:50:49,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:49" (1/1) ... [2019-01-08 15:50:49,137 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:49" (1/1) ... [2019-01-08 15:50:49,145 WARN L165 Inliner]: Program contained no entry procedure! [2019-01-08 15:50:49,145 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-01-08 15:50:49,146 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-01-08 15:50:49,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-08 15:50:49,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-08 15:50:49,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-08 15:50:49,166 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-08 15:50:49,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:49" (1/1) ... [2019-01-08 15:50:49,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:49" (1/1) ... [2019-01-08 15:50:49,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:49" (1/1) ... [2019-01-08 15:50:49,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:49" (1/1) ... [2019-01-08 15:50:49,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:49" (1/1) ... [2019-01-08 15:50:49,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:49" (1/1) ... [2019-01-08 15:50:49,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:49" (1/1) ... [2019-01-08 15:50:49,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-08 15:50:49,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-08 15:50:49,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-08 15:50:49,195 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-08 15:50:49,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 03:50:49" (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:8192 -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:8192 -smt2 -in -t:2000 [2019-01-08 15:50:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-08 15:50:49,279 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-08 15:50:49,279 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-08 15:50:49,280 INFO L130 BoogieDeclarations]: Found specification of procedure ~malloc [2019-01-08 15:50:49,594 INFO L278 CfgBuilder]: Using library mode [2019-01-08 15:50:49,595 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-08 15:50:49,596 INFO L202 PluginConnector]: Adding new model PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 03:50:49 BoogieIcfgContainer [2019-01-08 15:50:49,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-08 15:50:49,597 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-08 15:50:49,597 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-08 15:50:49,598 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-08 15:50:49,599 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "PointerIncrement-simplified01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 03:50:49" (1/1) ... [2019-01-08 15:50:49,658 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-08 15:53:15,585 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-08 15:53:15,602 INFO L272 AbstractInterpreter]: Visited 13 different actions 159 times. Merged at 11 different actions 121 times. Widened at 1 different actions 8 times. Found 7 fixpoints after 3 different actions. Largest state had 0 variables. [2019-01-08 15:53:15,605 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-08 15:53:15,606 INFO L168 Benchmark]: Toolchain (without parser) took 146501.65 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.4 GB). Free memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: -368.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-01-08 15:53:15,608 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 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. [2019-01-08 15:53:15,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.64 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. [2019-01-08 15:53:15,610 INFO L168 Benchmark]: Boogie Preprocessor took 28.57 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. [2019-01-08 15:53:15,611 INFO L168 Benchmark]: RCFGBuilder took 402.03 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. [2019-01-08 15:53:15,612 INFO L168 Benchmark]: Abstract Interpretation took 146007.77 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -389.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-01-08 15:53:15,619 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 0.17 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 58.64 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 28.57 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 402.03 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 146007.77 ms. Allocated memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: 1.4 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -389.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 41]: Unable to prove that procedure precondition always holds and assertion always holds Unable to prove that procedure precondition always holds and assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L49-L54] modifies #valid, #length; [L49] ensures old(#valid)[#res!base] == false; [L49-L50] ensures #valid == old(#valid)[#res!base := true]; [L49-L51] ensures #res!offset == 0; [L49-L52] ensures #res!base != 0; [L49-L53] ensures #length == old(#length)[#res!base := ~size]; [L10] ~p~1 := #t~malloc0; [L11] ~q~1 := ~p~1; [L14] #t~short2 := ~q~1!offset < { base: ~p~1!base, offset: ~p~1!offset + 400 }!offset; [L15] COND TRUE #t~short2 [L41] requires #valid[#ptr!base]; - UnprovableResult [Line: 41]: Unable to prove that procedure precondition always holds and assertion always holds Unable to prove that procedure precondition always holds and assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L49-L54] modifies #valid, #length; [L49] ensures old(#valid)[#res!base] == false; [L49-L50] ensures #valid == old(#valid)[#res!base := true]; [L49-L51] ensures #res!offset == 0; [L49-L52] ensures #res!base != 0; [L49-L53] ensures #length == old(#length)[#res!base := ~size]; [L10] ~p~1 := #t~malloc0; [L11] ~q~1 := ~p~1; [L14] #t~short2 := ~q~1!offset < { base: ~p~1!base, offset: ~p~1!offset + 400 }!offset; [L15] COND TRUE #t~short2 [L41] requires #valid[#ptr!base]; [L41-L42] requires #sizeOfReadType + #ptr!offset <= #length[#ptr!base]; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...