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_array_compound_exp_cong.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LargeConstant-ForwardSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0302a3f [2019-02-27 13:42:51,720 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-02-27 13:42:51,721 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-02-27 13:42:51,733 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-02-27 13:42:51,734 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-02-27 13:42:51,735 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-02-27 13:42:51,736 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-02-27 13:42:51,738 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-02-27 13:42:51,739 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-02-27 13:42:51,740 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-02-27 13:42:51,741 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-02-27 13:42:51,741 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-02-27 13:42:51,743 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-02-27 13:42:51,744 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-02-27 13:42:51,746 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-02-27 13:42:51,747 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-02-27 13:42:51,748 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-02-27 13:42:51,750 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-02-27 13:42:51,752 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-02-27 13:42:51,754 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-02-27 13:42:51,755 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-02-27 13:42:51,756 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-02-27 13:42:51,759 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-02-27 13:42:51,768 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_compound_exp_cong.epf [2019-02-27 13:42:51,791 INFO L110 SettingsManager]: Loading preferences was successful [2019-02-27 13:42:51,792 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-02-27 13:42:51,793 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-02-27 13:42:51,793 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-02-27 13:42:51,793 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-02-27 13:42:51,794 INFO L133 SettingsManager]: * User list type=DISABLED [2019-02-27 13:42:51,794 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-02-27 13:42:51,794 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-02-27 13:42:51,794 INFO L133 SettingsManager]: * Explicit value domain=true [2019-02-27 13:42:51,794 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-02-27 13:42:51,795 INFO L133 SettingsManager]: * Octagon Domain=false [2019-02-27 13:42:51,795 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-02-27 13:42:51,795 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-02-27 13:42:51,795 INFO L133 SettingsManager]: * Interval Domain=false [2019-02-27 13:42:51,796 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-02-27 13:42:51,796 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-02-27 13:42:51,796 INFO L133 SettingsManager]: * Use SBE=true [2019-02-27 13:42:51,796 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-02-27 13:42:51,797 INFO L133 SettingsManager]: * sizeof long=4 [2019-02-27 13:42:51,797 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-02-27 13:42:51,797 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-02-27 13:42:51,797 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-02-27 13:42:51,797 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-02-27 13:42:51,798 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-02-27 13:42:51,798 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-02-27 13:42:51,798 INFO L133 SettingsManager]: * sizeof long double=12 [2019-02-27 13:42:51,798 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-02-27 13:42:51,798 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-02-27 13:42:51,799 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-02-27 13:42:51,799 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-02-27 13:42:51,799 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-02-27 13:42:51,799 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-02-27 13:42:51,799 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-02-27 13:42:51,800 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-02-27 13:42:51,800 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-02-27 13:42:51,800 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-02-27 13:42:51,800 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-02-27 13:42:51,800 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-02-27 13:42:51,801 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-02-27 13:42:51,801 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-02-27 13:42:51,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-02-27 13:42:51,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-02-27 13:42:51,845 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-02-27 13:42:51,846 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-02-27 13:42:51,847 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-02-27 13:42:51,847 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LargeConstant-ForwardSuccess.bpl [2019-02-27 13:42:51,848 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LargeConstant-ForwardSuccess.bpl' [2019-02-27 13:42:51,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-02-27 13:42:51,880 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-02-27 13:42:51,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-02-27 13:42:51,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-02-27 13:42:51,881 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-02-27 13:42:51,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:51" (1/1) ... [2019-02-27 13:42:51,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:51" (1/1) ... [2019-02-27 13:42:51,913 WARN L165 Inliner]: Program contained no entry procedure! [2019-02-27 13:42:51,913 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-02-27 13:42:51,913 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-02-27 13:42:51,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-02-27 13:42:51,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-02-27 13:42:51,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-02-27 13:42:51,919 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-02-27 13:42:51,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:51" (1/1) ... [2019-02-27 13:42:51,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:51" (1/1) ... [2019-02-27 13:42:51,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:51" (1/1) ... [2019-02-27 13:42:51,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:51" (1/1) ... [2019-02-27 13:42:51,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:51" (1/1) ... [2019-02-27 13:42:51,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:51" (1/1) ... [2019-02-27 13:42:51,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:51" (1/1) ... [2019-02-27 13:42:51,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-02-27 13:42:51,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-02-27 13:42:51,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-02-27 13:42:51,948 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-02-27 13:42:51,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.02 01:42:51" (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 [2019-02-27 13:42:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2019-02-27 13:42:52,018 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2019-02-27 13:42:52,296 INFO L278 CfgBuilder]: Using library mode [2019-02-27 13:42:52,296 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-02-27 13:42:52,297 INFO L202 PluginConnector]: Adding new model LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.02 01:42:52 BoogieIcfgContainer [2019-02-27 13:42:52,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-02-27 13:42:52,298 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-02-27 13:42:52,298 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-02-27 13:42:52,299 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-02-27 13:42:52,300 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.02 01:42:52" (1/1) ... [2019-02-27 13:42:52,335 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-02-27 13:42:53,813 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-02-27 13:42:53,832 INFO L272 AbstractInterpreter]: Visited 4 different actions 13 times. Merged at 3 different actions 7 times. Widened at 1 different actions 1 times. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-02-27 13:42:53,835 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-02-27 13:42:53,837 INFO L168 Benchmark]: Toolchain (without parser) took 1958.11 ms. Allocated memory was 136.3 MB in the beginning and 172.5 MB in the end (delta: 36.2 MB). Free memory was 106.6 MB in the beginning and 141.9 MB in the end (delta: -35.3 MB). Peak memory consumption was 852.8 kB. Max. memory is 7.1 GB. [2019-02-27 13:42:53,839 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-02-27 13:42:53,840 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.60 ms. Allocated memory is still 136.3 MB. Free memory was 106.6 MB in the beginning and 104.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-02-27 13:42:53,841 INFO L168 Benchmark]: Boogie Preprocessor took 28.79 ms. Allocated memory is still 136.3 MB. Free memory was 104.7 MB in the beginning and 103.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2019-02-27 13:42:53,842 INFO L168 Benchmark]: RCFGBuilder took 350.12 ms. Allocated memory is still 136.3 MB. Free memory was 103.4 MB in the beginning and 94.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-02-27 13:42:53,843 INFO L168 Benchmark]: Abstract Interpretation took 1536.84 ms. Allocated memory was 136.3 MB in the beginning and 172.5 MB in the end (delta: 36.2 MB). Free memory was 94.1 MB in the beginning and 141.9 MB in the end (delta: -47.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-02-27 13:42:53,848 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 136.3 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.60 ms. Allocated memory is still 136.3 MB. Free memory was 106.6 MB in the beginning and 104.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.79 ms. Allocated memory is still 136.3 MB. Free memory was 104.7 MB in the beginning and 103.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 350.12 ms. Allocated memory is still 136.3 MB. Free memory was 103.4 MB in the beginning and 94.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1536.84 ms. Allocated memory was 136.3 MB in the beginning and 172.5 MB in the end (delta: 36.2 MB). Free memory was 94.1 MB in the beginning and 141.9 MB in the end (delta: -47.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 18]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L16] i := 0; [L18] assert i <= 1000; [L19] assume i + 4 < a[j]; [L20] assume a[5] == 1000; [L21] assume j > 4; [L22] assume j < 6; [L23] i := i + 4; [L18] assert i <= 1000; [L19] assume i + 4 < a[j]; [L20] assume a[5] == 1000; [L21] assume j > 4; [L22] assume j < 6; [L23] i := i + 4; [L18] assert i <= 1000; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...