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_oct_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fa1c628-m [2019-01-31 15:26:50,171 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-31 15:26:50,173 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-31 15:26:50,185 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-31 15:26:50,186 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-31 15:26:50,187 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-31 15:26:50,188 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-31 15:26:50,190 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-31 15:26:50,192 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-31 15:26:50,193 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-31 15:26:50,194 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-31 15:26:50,220 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 [2019-01-31 15:26:50,236 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-31 15:26:50,237 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-31 15:26:50,238 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-31 15:26:50,238 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-31 15:26:50,238 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-31 15:26:50,238 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-31 15:26:50,239 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-31 15:26:50,239 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-31 15:26:50,239 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-31 15:26:50,239 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-01-31 15:26:50,239 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-31 15:26:50,240 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-31 15:26:50,240 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-31 15:26:50,241 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-31 15:26:50,241 INFO L133 SettingsManager]: * Use SBE=true [2019-01-31 15:26:50,241 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-31 15:26:50,241 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-31 15:26:50,241 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-31 15:26:50,242 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-31 15:26:50,242 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-31 15:26:50,242 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-31 15:26:50,242 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-31 15:26:50,242 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-31 15:26:50,243 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-31 15:26:50,243 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-31 15:26:50,243 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-31 15:26:50,245 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-31 15:26:50,245 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-31 15:26:50,245 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-31 15:26:50,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 15:26:50,246 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-31 15:26:50,246 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-31 15:26:50,246 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-31 15:26:50,246 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-31 15:26:50,246 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-31 15:26:50,246 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in [2019-01-31 15:26:50,247 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-31 15:26:50,247 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-31 15:26:50,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-31 15:26:50,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-31 15:26:50,332 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-31 15:26:50,334 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-31 15:26:50,336 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-31 15:26:50,337 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified02.bpl [2019-01-31 15:26:50,337 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified02.bpl' [2019-01-31 15:26:50,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-31 15:26:50,395 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-31 15:26:50,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-31 15:26:50,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-31 15:26:50,397 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-31 15:26:50,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:50" (1/1) ... [2019-01-31 15:26:50,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:50" (1/1) ... [2019-01-31 15:26:50,438 WARN L165 Inliner]: Program contained no entry procedure! [2019-01-31 15:26:50,438 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-01-31 15:26:50,438 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-01-31 15:26:50,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-31 15:26:50,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-31 15:26:50,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-31 15:26:50,459 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-31 15:26:50,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:50" (1/1) ... [2019-01-31 15:26:50,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:50" (1/1) ... [2019-01-31 15:26:50,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:50" (1/1) ... [2019-01-31 15:26:50,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:50" (1/1) ... [2019-01-31 15:26:50,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:50" (1/1) ... [2019-01-31 15:26:50,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:50" (1/1) ... [2019-01-31 15:26:50,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:50" (1/1) ... [2019-01-31 15:26:50,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-31 15:26:50,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-31 15:26:50,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-31 15:26:50,490 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-31 15:26:50,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:50" (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 15:26:50,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-31 15:26:50,561 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-31 15:26:50,562 INFO L130 BoogieDeclarations]: Found specification of procedure ~malloc [2019-01-31 15:26:50,990 INFO L278 CfgBuilder]: Using library mode [2019-01-31 15:26:50,991 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-31 15:26:50,992 INFO L202 PluginConnector]: Adding new model PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 03:26:50 BoogieIcfgContainer [2019-01-31 15:26:50,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-31 15:26:50,994 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-31 15:26:50,994 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-31 15:26:50,994 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-31 15:26:50,995 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 03:26:50" (1/1) ... [2019-01-31 15:26:51,059 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-31 15:26:53,411 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-31 15:26:53,430 INFO L272 AbstractInterpreter]: Visited 9 different actions 105 times. Merged at 7 different actions 75 times. Widened at 1 different actions 9 times. Performed 226 root evaluator evaluations with a maximum evaluation depth of 3. Performed 226 inverse root evaluator evaluations with a maximum inverse evaluation depth of 2. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-01-31 15:26:53,432 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-31 15:26:53,434 INFO L168 Benchmark]: Toolchain (without parser) took 3039.66 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 104.1 MB in the beginning and 172.0 MB in the end (delta: -68.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-01-31 15:26:53,437 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 136.8 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-31 15:26:53,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.70 ms. Allocated memory is still 136.8 MB. Free memory was 104.1 MB in the beginning and 101.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:53,439 INFO L168 Benchmark]: Boogie Preprocessor took 31.16 ms. Allocated memory is still 136.8 MB. Free memory was 101.9 MB in the beginning and 100.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:53,440 INFO L168 Benchmark]: RCFGBuilder took 502.91 ms. Allocated memory is still 136.8 MB. Free memory was 100.6 MB in the beginning and 88.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:53,441 INFO L168 Benchmark]: Abstract Interpretation took 2438.97 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 88.5 MB in the beginning and 172.0 MB in the end (delta: -83.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-01-31 15:26:53,447 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 0.24 ms. Allocated memory is still 136.8 MB. Free memory is still 105.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 61.70 ms. Allocated memory is still 136.8 MB. Free memory was 104.1 MB in the beginning and 101.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.16 ms. Allocated memory is still 136.8 MB. Free memory was 101.9 MB in the beginning and 100.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 502.91 ms. Allocated memory is still 136.8 MB. Free memory was 100.6 MB in the beginning and 88.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2438.97 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 88.5 MB in the beginning and 172.0 MB in the end (delta: -83.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 17]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L39-L44] modifies #valid, #length; [L39] ensures old(#valid)[#res!base] == false; [L39-L40] ensures #valid == old(#valid)[#res!base := true]; [L39-L41] ensures #res!offset == 0; [L39-L42] ensures #res!base != 0; [L39-L43] ensures #length == old(#length)[#res!base := ~size]; [L12] q := p; [L15] #t~short2 := q!offset < p!offset + 400; [L16] COND TRUE #t~short2 [L17] assert 4 + q!offset <= #length[q!base]; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...