java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/programs/quantifier/regression/bpl/ArrayIndicesTwoOutOfThree.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:07:07,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:07:07,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:07:07,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:07:07,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:07:07,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:07:07,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:07:07,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:07:07,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:07:07,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:07:07,108 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:07:07,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:07:07,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:07:07,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:07:07,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:07:07,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:07:07,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:07:07,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:07:07,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:07:07,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:07:07,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:07:07,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:07:07,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:07:07,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:07:07,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:07:07,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:07:07,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:07:07,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:07:07,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:07:07,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:07:07,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:07:07,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:07:07,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:07:07,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:07:07,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:07:07,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:07:07,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:07:07,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:07:07,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:07:07,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:07:07,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:07:07,178 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:07:07,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:07:07,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:07:07,198 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:07:07,198 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:07:07,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/ArrayIndicesTwoOutOfThree.bpl [2019-08-05 11:07:07,199 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/ArrayIndicesTwoOutOfThree.bpl' [2019-08-05 11:07:07,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:07:07,240 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:07:07,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:07:07,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:07:07,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:07:07,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayIndicesTwoOutOfThree.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:07" (1/1) ... [2019-08-05 11:07:07,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayIndicesTwoOutOfThree.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:07" (1/1) ... [2019-08-05 11:07:07,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:07:07,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:07:07,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:07:07,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:07:07,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayIndicesTwoOutOfThree.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:07" (1/1) ... [2019-08-05 11:07:07,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayIndicesTwoOutOfThree.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:07" (1/1) ... [2019-08-05 11:07:07,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayIndicesTwoOutOfThree.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:07" (1/1) ... [2019-08-05 11:07:07,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayIndicesTwoOutOfThree.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:07" (1/1) ... [2019-08-05 11:07:07,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayIndicesTwoOutOfThree.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:07" (1/1) ... [2019-08-05 11:07:07,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayIndicesTwoOutOfThree.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:07" (1/1) ... [2019-08-05 11:07:07,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayIndicesTwoOutOfThree.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:07" (1/1) ... [2019-08-05 11:07:07,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:07:07,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:07:07,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:07:07,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:07:07,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayIndicesTwoOutOfThree.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:07" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 11:07:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:07:07,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:07:07,578 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:07:07,578 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:07:07,579 INFO L202 PluginConnector]: Adding new model ArrayIndicesTwoOutOfThree.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:07:07 BoogieIcfgContainer [2019-08-05 11:07:07,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:07:07,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:07:07,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:07:07,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:07:07,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArrayIndicesTwoOutOfThree.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:07" (1/2) ... [2019-08-05 11:07:07,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521e5c05 and model type ArrayIndicesTwoOutOfThree.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:07:07, skipping insertion in model container [2019-08-05 11:07:07,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ArrayIndicesTwoOutOfThree.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:07:07" (2/2) ... [2019-08-05 11:07:07,593 INFO L109 eAbstractionObserver]: Analyzing ICFG ArrayIndicesTwoOutOfThree.bpl [2019-08-05 11:07:07,602 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:07:07,608 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:07:07,622 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:07:07,650 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:07:07,651 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:07:07,651 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:07:07,651 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:07:07,651 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:07:07,651 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:07:07,652 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:07:07,652 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:07:07,652 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:07:07,666 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 11:07:07,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:07:07,675 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:07:07,676 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:07:07,678 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:07:07,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:07:07,685 INFO L82 PathProgramCache]: Analyzing trace with hash 962, now seen corresponding path program 1 times [2019-08-05 11:07:07,737 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:07:07,763 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-08-05 11:07:07,764 INFO L285 seRefinementStrategy]: Strategy FixedRefinementStrategy was unsuccessful and could not determine trace feasibility. [2019-08-05 11:07:07,764 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 11:07:07,781 WARN L226 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2019-08-05 11:07:07,782 INFO L202 PluginConnector]: Adding new model ArrayIndicesTwoOutOfThree.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:07:07 BoogieIcfgContainer [2019-08-05 11:07:07,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:07:07,785 INFO L168 Benchmark]: Toolchain (without parser) took 544.04 ms. Allocated memory is still 134.7 MB. Free memory was 110.0 MB in the beginning and 87.2 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:07,787 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 111.2 MB in the beginning and 111.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:07:07,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.27 ms. Allocated memory is still 134.7 MB. Free memory was 110.0 MB in the beginning and 108.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:07,789 INFO L168 Benchmark]: Boogie Preprocessor took 22.47 ms. Allocated memory is still 134.7 MB. Free memory was 108.2 MB in the beginning and 107.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:07,790 INFO L168 Benchmark]: RCFGBuilder took 269.69 ms. Allocated memory is still 134.7 MB. Free memory was 107.0 MB in the beginning and 97.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:07,791 INFO L168 Benchmark]: TraceAbstraction took 197.61 ms. Allocated memory is still 134.7 MB. Free memory was 97.6 MB in the beginning and 87.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:07,796 INFO L335 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 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 111.2 MB in the beginning and 111.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.27 ms. Allocated memory is still 134.7 MB. Free memory was 110.0 MB in the beginning and 108.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.47 ms. Allocated memory is still 134.7 MB. Free memory was 108.2 MB in the beginning and 107.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 269.69 ms. Allocated memory is still 134.7 MB. Free memory was 107.0 MB in the beginning and 97.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 197.61 ms. Allocated memory is still 134.7 MB. Free memory was 97.6 MB in the beginning and 87.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 23]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L18] assume a[i] == 23; [L19] assume a[j] == 23; [L20] assume a[k] == 23; [L21] assume (i - j) * (i - j) + (j - k) * (j - k) > 0; [L22] a[j] := 42; [L23] assert a[i] == 23 || a[k] == 23; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4 locations, 1 error locations. UNKNOWN Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...