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_exp_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fa1c628-m [2019-01-31 17:50:49,689 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-31 17:50:49,691 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-31 17:50:49,702 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-31 17:50:49,703 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-31 17:50:49,704 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-31 17:50:49,705 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-31 17:50:49,707 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-31 17:50:49,709 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-31 17:50:49,710 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-31 17:50:49,711 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-31 17:50:49,711 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-31 17:50:49,712 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-31 17:50:49,714 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-31 17:50:49,715 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-31 17:50:49,716 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-31 17:50:49,717 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-31 17:50:49,719 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-31 17:50:49,721 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-31 17:50:49,723 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-31 17:50:49,724 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-31 17:50:49,725 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-31 17:50:49,728 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-01-31 17:50:49,737 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 17:50:49,750 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-31 17:50:49,750 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-31 17:50:49,751 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-31 17:50:49,751 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-31 17:50:49,751 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-31 17:50:49,751 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-31 17:50:49,752 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-31 17:50:49,752 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-31 17:50:49,752 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-31 17:50:49,752 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-31 17:50:49,753 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-31 17:50:49,753 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-01-31 17:50:49,753 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-31 17:50:49,753 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-31 17:50:49,754 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-31 17:50:49,754 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-31 17:50:49,754 INFO L133 SettingsManager]: * Use SBE=true [2019-01-31 17:50:49,754 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-31 17:50:49,755 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-31 17:50:49,755 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-31 17:50:49,755 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-31 17:50:49,755 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-31 17:50:49,755 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-31 17:50:49,756 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-31 17:50:49,756 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-31 17:50:49,756 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-31 17:50:49,756 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-31 17:50:49,757 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-31 17:50:49,757 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-31 17:50:49,757 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-31 17:50:49,757 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-31 17:50:49,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 17:50:49,758 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-31 17:50:49,758 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-31 17:50:49,758 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-31 17:50:49,758 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-31 17:50:49,758 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-31 17:50:49,759 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in [2019-01-31 17:50:49,759 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-31 17:50:49,759 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-31 17:50:49,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-31 17:50:49,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-31 17:50:49,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-31 17:50:49,812 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-31 17:50:49,813 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-31 17:50:49,814 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified02.bpl [2019-01-31 17:50:49,814 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement-simplified02.bpl' [2019-01-31 17:50:49,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-31 17:50:49,863 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-31 17:50:49,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-31 17:50:49,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-31 17:50:49,865 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-31 17:50:49,880 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 05:50:49" (1/1) ... [2019-01-31 17:50:49,892 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 05:50:49" (1/1) ... [2019-01-31 17:50:49,899 WARN L165 Inliner]: Program contained no entry procedure! [2019-01-31 17:50:49,899 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-01-31 17:50:49,900 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-01-31 17:50:49,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-31 17:50:49,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-31 17:50:49,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-31 17:50:49,918 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-31 17:50:49,929 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 05:50:49" (1/1) ... [2019-01-31 17:50:49,930 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 05:50:49" (1/1) ... [2019-01-31 17:50:49,931 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 05:50:49" (1/1) ... [2019-01-31 17:50:49,931 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 05:50:49" (1/1) ... [2019-01-31 17:50:49,935 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 05:50:49" (1/1) ... [2019-01-31 17:50:49,941 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 05:50:49" (1/1) ... [2019-01-31 17:50:49,942 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 05:50:49" (1/1) ... [2019-01-31 17:50:49,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-31 17:50:49,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-31 17:50:49,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-31 17:50:49,944 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-31 17:50:49,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 05:50:49" (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: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 17:50:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-31 17:50:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-31 17:50:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure ~malloc [2019-01-31 17:50:50,258 INFO L278 CfgBuilder]: Using library mode [2019-01-31 17:50:50,258 INFO L286 CfgBuilder]: Removed 3 assue(true) statements. [2019-01-31 17:50:50,259 INFO L202 PluginConnector]: Adding new model PointerIncrement-simplified02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 05:50:50 BoogieIcfgContainer [2019-01-31 17:50:50,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-31 17:50:50,260 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-31 17:50:50,261 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-31 17:50:50,261 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-31 17:50:50,262 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 05:50:50" (1/1) ... [2019-01-31 17:50:50,294 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-31 17:50:50,484 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-31 17:50:50,502 INFO L272 AbstractInterpreter]: Visited 9 different actions 33 times. Merged at 7 different actions 21 times. Never widened. Performed 117 root evaluator evaluations with a maximum evaluation depth of 3. Performed 117 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-01-31 17:50:50,503 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-31 17:50:50,504 INFO L168 Benchmark]: Toolchain (without parser) took 641.93 ms. Allocated memory is still 138.9 MB. Free memory was 106.1 MB in the beginning and 84.2 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-01-31 17:50:50,506 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-31 17:50:50,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.14 ms. Allocated memory is still 138.9 MB. Free memory was 106.1 MB in the beginning and 103.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-01-31 17:50:50,509 INFO L168 Benchmark]: Boogie Preprocessor took 25.84 ms. Allocated memory is still 138.9 MB. Free memory was 103.9 MB in the beginning and 102.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-01-31 17:50:50,510 INFO L168 Benchmark]: RCFGBuilder took 315.57 ms. Allocated memory is still 138.9 MB. Free memory was 102.6 MB in the beginning and 92.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-01-31 17:50:50,511 INFO L168 Benchmark]: Abstract Interpretation took 243.21 ms. Allocated memory is still 138.9 MB. Free memory was 92.4 MB in the beginning and 84.2 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2019-01-31 17:50:50,516 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 0.20 ms. Allocated memory is still 138.9 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.14 ms. Allocated memory is still 138.9 MB. Free memory was 106.1 MB in the beginning and 103.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.84 ms. Allocated memory is still 138.9 MB. Free memory was 103.9 MB in the beginning and 102.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 315.57 ms. Allocated memory is still 138.9 MB. Free memory was 102.6 MB in the beginning and 92.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 243.21 ms. Allocated memory is still 138.9 MB. Free memory was 92.4 MB in the beginning and 84.2 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. 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...