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/Luxembourg-WithArrays.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fa1c628-m [2019-01-31 15:26:29,723 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-31 15:26:29,725 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-31 15:26:29,742 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-31 15:26:29,742 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-31 15:26:29,743 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-31 15:26:29,745 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-31 15:26:29,748 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-31 15:26:29,750 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-31 15:26:29,751 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-31 15:26:29,752 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-31 15:26:29,752 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-31 15:26:29,753 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-31 15:26:29,754 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-31 15:26:29,755 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-31 15:26:29,756 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-31 15:26:29,757 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-31 15:26:29,758 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-31 15:26:29,760 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-31 15:26:29,762 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-31 15:26:29,763 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-31 15:26:29,764 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-31 15:26:29,766 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-31 15:26:29,767 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-31 15:26:29,767 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-31 15:26:29,768 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-31 15:26:29,769 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-31 15:26:29,770 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-31 15:26:29,771 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-31 15:26:29,772 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-31 15:26:29,772 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-31 15:26:29,773 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-31 15:26:29,773 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-31 15:26:29,773 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-31 15:26:29,774 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-31 15:26:29,775 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-31 15:26:29,775 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 15:26:29,787 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-31 15:26:29,787 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-31 15:26:29,788 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-31 15:26:29,788 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-31 15:26:29,790 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-31 15:26:29,790 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-31 15:26:29,790 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-31 15:26:29,790 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-31 15:26:29,791 INFO L133 SettingsManager]: * Explicit value domain=true [2019-01-31 15:26:29,791 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-31 15:26:29,791 INFO L133 SettingsManager]: * Octagon Domain=false [2019-01-31 15:26:29,791 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-01-31 15:26:29,792 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-31 15:26:29,792 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-31 15:26:29,793 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-31 15:26:29,793 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-31 15:26:29,794 INFO L133 SettingsManager]: * Use SBE=true [2019-01-31 15:26:29,795 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-31 15:26:29,795 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-31 15:26:29,795 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-31 15:26:29,797 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-31 15:26:29,798 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-31 15:26:29,798 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-31 15:26:29,799 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-31 15:26:29,799 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-31 15:26:29,799 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-31 15:26:29,799 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-31 15:26:29,800 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-31 15:26:29,800 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-31 15:26:29,800 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-31 15:26:29,800 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-31 15:26:29,800 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in -t:10000 [2019-01-31 15:26:29,801 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-31 15:26:29,801 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-31 15:26:29,801 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-31 15:26:29,802 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-31 15:26:29,802 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-31 15:26:29,802 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8092 -smt2 -in [2019-01-31 15:26:29,802 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-31 15:26:29,802 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-31 15:26:29,837 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-31 15:26:29,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-31 15:26:29,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-31 15:26:29,854 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-31 15:26:29,855 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-31 15:26:29,856 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl [2019-01-31 15:26:29,856 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-WithArrays.bpl' [2019-01-31 15:26:29,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-31 15:26:29,893 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-31 15:26:29,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-31 15:26:29,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-31 15:26:29,894 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-31 15:26:29,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:29" (1/1) ... [2019-01-31 15:26:29,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:29" (1/1) ... [2019-01-31 15:26:29,928 WARN L165 Inliner]: Program contained no entry procedure! [2019-01-31 15:26:29,929 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-01-31 15:26:29,929 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-01-31 15:26:29,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-31 15:26:29,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-31 15:26:29,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-31 15:26:29,932 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-31 15:26:29,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:29" (1/1) ... [2019-01-31 15:26:29,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:29" (1/1) ... [2019-01-31 15:26:29,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:29" (1/1) ... [2019-01-31 15:26:29,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:29" (1/1) ... [2019-01-31 15:26:29,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:29" (1/1) ... [2019-01-31 15:26:29,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:29" (1/1) ... [2019-01-31 15:26:29,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:29" (1/1) ... [2019-01-31 15:26:29,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-31 15:26:29,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-31 15:26:29,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-31 15:26:29,955 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-31 15:26:29,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 31.01 03:26:29" (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 15:26:30,028 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-01-31 15:26:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-31 15:26:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-31 15:26:30,337 INFO L278 CfgBuilder]: Using library mode [2019-01-31 15:26:30,337 INFO L286 CfgBuilder]: Removed 1 assue(true) statements. [2019-01-31 15:26:30,339 INFO L202 PluginConnector]: Adding new model Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 03:26:30 BoogieIcfgContainer [2019-01-31 15:26:30,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-31 15:26:30,340 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-31 15:26:30,340 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-31 15:26:30,341 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-31 15:26:30,341 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "Luxembourg-WithArrays.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 03:26:30" (1/1) ... [2019-01-31 15:26:30,381 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-31 15:26:30,627 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-31 15:26:30,649 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Performed 18 root evaluator evaluations with a maximum evaluation depth of 3. Performed 18 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-01-31 15:26:30,651 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-31 15:26:30,652 INFO L168 Benchmark]: Toolchain (without parser) took 760.13 ms. Allocated memory is still 134.2 MB. Free memory was 109.5 MB in the beginning and 88.6 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:30,655 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 134.2 MB. Free memory is still 110.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-31 15:26:30,656 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.46 ms. Allocated memory is still 134.2 MB. Free memory was 109.1 MB in the beginning and 107.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:30,657 INFO L168 Benchmark]: Boogie Preprocessor took 22.57 ms. Allocated memory is still 134.2 MB. Free memory was 107.4 MB in the beginning and 106.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:30,659 INFO L168 Benchmark]: RCFGBuilder took 384.52 ms. Allocated memory is still 134.2 MB. Free memory was 106.1 MB in the beginning and 96.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:30,659 INFO L168 Benchmark]: Abstract Interpretation took 310.71 ms. Allocated memory is still 134.2 MB. Free memory was 95.8 MB in the beginning and 88.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2019-01-31 15:26:30,665 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 134.2 MB. Free memory is still 110.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.46 ms. Allocated memory is still 134.2 MB. Free memory was 109.1 MB in the beginning and 107.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.57 ms. Allocated memory is still 134.2 MB. Free memory was 107.4 MB in the beginning and 106.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 384.52 ms. Allocated memory is still 134.2 MB. Free memory was 106.1 MB in the beginning and 96.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 310.71 ms. Allocated memory is still 134.2 MB. Free memory was 95.8 MB in the beginning and 88.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 27]: 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] assume x > y; [L18] a[x] := 0; [L19] a[y] := 1000; [L26] COND TRUE a[x] == 1000 [L27] assert a[y] <= 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...