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/toy/tooDifficultLoopInvariant/ArrayInit02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a9d37a5-m [2019-02-28 14:06:46,678 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-28 14:06:46,680 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-28 14:06:46,693 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-28 14:06:46,693 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-28 14:06:46,694 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-28 14:06:46,695 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-28 14:06:46,697 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-28 14:06:46,699 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-28 14:06:46,700 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-28 14:06:46,701 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-02-28 14:06:46,727 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 [2019-02-28 14:06:46,740 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-28 14:06:46,741 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-28 14:06:46,742 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-28 14:06:46,742 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-28 14:06:46,742 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-28 14:06:46,742 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-28 14:06:46,742 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-28 14:06:46,743 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-28 14:06:46,743 INFO L133 SettingsManager]: * Explicit value domain=true [2019-02-28 14:06:46,743 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-28 14:06:46,743 INFO L133 SettingsManager]: * Octagon Domain=false [2019-02-28 14:06:46,743 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-02-28 14:06:46,744 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-28 14:06:46,744 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-28 14:06:46,745 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-28 14:06:46,745 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-28 14:06:46,745 INFO L133 SettingsManager]: * Use SBE=true [2019-02-28 14:06:46,745 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-28 14:06:46,745 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-28 14:06:46,746 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-28 14:06:46,746 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-28 14:06:46,746 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-28 14:06:46,746 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-28 14:06:46,746 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-28 14:06:46,747 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-28 14:06:46,747 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-28 14:06:46,747 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-28 14:06:46,747 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-28 14:06:46,747 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-28 14:06:46,748 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-28 14:06:46,748 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-28 14:06:46,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:16092 -smt2 -in -t:200000 [2019-02-28 14:06:46,748 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-28 14:06:46,748 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-28 14:06:46,749 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-28 14:06:46,749 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-28 14:06:46,749 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-28 14:06:46,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:16092 -smt2 -in [2019-02-28 14:06:46,749 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-28 14:06:46,750 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-28 14:06:46,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-28 14:06:46,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-28 14:06:46,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-28 14:06:46,800 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-28 14:06:46,801 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-28 14:06:46,801 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl [2019-02-28 14:06:46,802 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl' [2019-02-28 14:06:46,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-28 14:06:46,855 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-28 14:06:46,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-28 14:06:46,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-28 14:06:46,856 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-28 14:06:46,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:06:46" (1/1) ... [2019-02-28 14:06:46,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:06:46" (1/1) ... [2019-02-28 14:06:46,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-28 14:06:46,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-28 14:06:46,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-28 14:06:46,894 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-28 14:06:46,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:06:46" (1/1) ... [2019-02-28 14:06:46,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:06:46" (1/1) ... [2019-02-28 14:06:46,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:06:46" (1/1) ... [2019-02-28 14:06:46,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:06:46" (1/1) ... [2019-02-28 14:06:46,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:06:46" (1/1) ... [2019-02-28 14:06:46,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:06:46" (1/1) ... [2019-02-28 14:06:46,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:06:46" (1/1) ... [2019-02-28 14:06:46,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-28 14:06:46,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-28 14:06:46,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-28 14:06:46,920 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-28 14:06:46,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.02 02:06:46" (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:16092 -smt2 -in -t:200000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:16092 -smt2 -in -t:200000 [2019-02-28 14:06:46,985 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-02-28 14:06:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-02-28 14:06:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-02-28 14:06:47,532 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-02-28 14:06:47,533 INFO L286 CfgBuilder]: Removed 0 assue(true) statements. [2019-02-28 14:06:47,534 INFO L202 PluginConnector]: Adding new model ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 02:06:47 BoogieIcfgContainer [2019-02-28 14:06:47,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-28 14:06:47,535 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-28 14:06:47,535 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-28 14:06:47,535 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-28 14:06:47,536 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 02:06:47" (1/1) ... [2019-02-28 14:06:47,566 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-28 14:06:48,505 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-28 14:06:48,525 INFO L272 AbstractInterpreter]: Visited 16 different actions 78 times. Merged at 14 different actions 46 times. Widened at 3 different actions 3 times. Performed 267 root evaluator evaluations with a maximum evaluation depth of 4. Performed 267 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 16 fixpoints after 6 different actions. Largest state had 0 variables. [2019-02-28 14:06:48,527 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-28 14:06:48,529 INFO L168 Benchmark]: Toolchain (without parser) took 1676.19 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 61.3 MB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 7.1 GB. [2019-02-28 14:06:48,531 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 132.6 MB. Free memory is still 106.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-28 14:06:48,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.01 ms. Allocated memory is still 132.6 MB. Free memory was 105.3 MB in the beginning and 103.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-02-28 14:06:48,534 INFO L168 Benchmark]: Boogie Preprocessor took 24.98 ms. Allocated memory is still 132.6 MB. Free memory was 103.6 MB in the beginning and 102.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-02-28 14:06:48,535 INFO L168 Benchmark]: RCFGBuilder took 614.70 ms. Allocated memory is still 132.6 MB. Free memory was 102.5 MB in the beginning and 90.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-02-28 14:06:48,536 INFO L168 Benchmark]: Abstract Interpretation took 992.79 ms. Allocated memory is still 132.6 MB. Free memory was 90.3 MB in the beginning and 61.3 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2019-02-28 14:06:48,543 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 0.18 ms. Allocated memory is still 132.6 MB. Free memory is still 106.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.01 ms. Allocated memory is still 132.6 MB. Free memory was 105.3 MB in the beginning and 103.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.98 ms. Allocated memory is still 132.6 MB. Free memory was 103.6 MB in the beginning and 102.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 614.70 ms. Allocated memory is still 132.6 MB. Free memory was 102.5 MB in the beginning and 90.5 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 992.79 ms. Allocated memory is still 132.6 MB. Free memory was 90.3 MB in the beginning and 61.3 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - 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: [L19] i := 0; [L20] COND FALSE !(i < n) [L26] j := 0; [L27] COND TRUE j < n [L28] havoc readAuxVar; [L29] COND TRUE j == genericIndex1ForA [L30] readAuxVar := genericCell1ForA; [L32] COND TRUE readAuxVar != 23 [L33] assume genericIndex1ForA == j; [L34] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...