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/20170304-DifficultPathPrograms/sum02.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:16:54,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:16:54,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:16:54,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:16:54,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:16:54,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:16:54,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:16:54,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:16:54,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:16:54,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:16:54,411 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:16:54,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:16:54,412 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:16:54,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:16:54,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:16:54,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:16:54,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:16:54,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:16:54,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:16:54,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:16:54,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:16:54,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:16:54,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:16:54,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:16:54,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:16:54,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:16:54,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:16:54,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:16:54,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:16:54,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:16:54,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:16:54,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:16:54,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:16:54,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:16:54,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:16:54,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:16:54,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:16:54,437 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:16:54,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:16:54,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:16:54,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:16:54,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:16:54,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:16:54,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:16:54,484 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:16:54,485 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:16:54,486 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum02.i_3.bpl [2019-08-05 10:16:54,486 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum02.i_3.bpl' [2019-08-05 10:16:54,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:16:54,520 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:16:54,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:16:54,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:16:54,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:16:54,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:54" (1/1) ... [2019-08-05 10:16:54,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:54" (1/1) ... [2019-08-05 10:16:54,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:16:54,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:16:54,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:16:54,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:16:54,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:54" (1/1) ... [2019-08-05 10:16:54,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:54" (1/1) ... [2019-08-05 10:16:54,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:54" (1/1) ... [2019-08-05 10:16:54,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:54" (1/1) ... [2019-08-05 10:16:54,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:54" (1/1) ... [2019-08-05 10:16:54,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:54" (1/1) ... [2019-08-05 10:16:54,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:54" (1/1) ... [2019-08-05 10:16:54,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:16:54,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:16:54,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:16:54,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:16:54,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:54" (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 10:16:54,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 10:16:54,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 10:16:54,881 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 10:16:54,881 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 10:16:54,882 INFO L202 PluginConnector]: Adding new model sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:16:54 BoogieIcfgContainer [2019-08-05 10:16:54,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:16:54,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:16:54,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:16:54,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:16:54,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:54" (1/2) ... [2019-08-05 10:16:54,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb6ccde and model type sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:16:54, skipping insertion in model container [2019-08-05 10:16:54,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:16:54" (2/2) ... [2019-08-05 10:16:54,891 INFO L109 eAbstractionObserver]: Analyzing ICFG sum02.i_3.bpl [2019-08-05 10:16:54,902 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:16:54,910 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:16:54,928 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:16:54,955 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:16:54,956 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:16:54,956 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:16:54,956 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:16:54,956 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:16:54,956 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:16:54,957 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:16:54,957 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:16:54,957 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:16:54,972 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-08-05 10:16:54,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 10:16:54,981 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:16:54,982 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 10:16:54,987 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:16:54,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:16:54,997 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2019-08-05 10:16:55,056 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:16:55,101 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-08-05 10:16:55,102 INFO L285 seRefinementStrategy]: Strategy FixedRefinementStrategy was unsuccessful and could not determine trace feasibility. [2019-08-05 10:16:55,102 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 10:16:55,123 WARN L226 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2019-08-05 10:16:55,124 INFO L202 PluginConnector]: Adding new model sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:16:55 BoogieIcfgContainer [2019-08-05 10:16:55,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:16:55,131 INFO L168 Benchmark]: Toolchain (without parser) took 606.10 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 85.6 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-08-05 10:16:55,132 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory is still 109.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:16:55,134 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.32 ms. Allocated memory is still 139.5 MB. Free memory was 108.6 MB in the beginning and 107.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:16:55,137 INFO L168 Benchmark]: Boogie Preprocessor took 19.69 ms. Allocated memory is still 139.5 MB. Free memory was 107.3 MB in the beginning and 106.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:16:55,140 INFO L168 Benchmark]: RCFGBuilder took 308.17 ms. Allocated memory is still 139.5 MB. Free memory was 106.0 MB in the beginning and 96.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:16:55,142 INFO L168 Benchmark]: TraceAbstraction took 240.60 ms. Allocated memory is still 139.5 MB. Free memory was 95.9 MB in the beginning and 85.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:16:55,147 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 0.23 ms. Allocated memory is still 139.5 MB. Free memory is still 109.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 33.32 ms. Allocated memory is still 139.5 MB. Free memory was 108.6 MB in the beginning and 107.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.69 ms. Allocated memory is still 139.5 MB. Free memory was 107.3 MB in the beginning and 106.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 308.17 ms. Allocated memory is still 139.5 MB. Free memory was 106.0 MB in the beginning and 96.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 240.60 ms. Allocated memory is still 139.5 MB. Free memory was 95.9 MB in the beginning and 85.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 46]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L14] havoc main_#res; [L15] havoc main_#t~nondet0, main_#t~post1, main_~i~6, main_~n~6, main_~sn~6, main_~nl~6, main_~gauss~6; [L16] havoc main_~i~6; [L17] main_~n~6 := main_#t~nondet0; [L18] havoc main_#t~nondet0; [L19] main_~sn~6 := 0; [L20] assume main_~n~6 % 4294967296 % 18446744073709551616 < 4294967296; [L21] main_~i~6 := 0; [L29] assume !(main_~i~6 % 4294967296 <= main_~n~6 % 4294967296); [L30] main_~nl~6 := main_~n~6 % 4294967296; [L31] main_~gauss~6 := (if main_~nl~6 * (main_~nl~6 + 1) % 18446744073709551616 < 0 && main_~nl~6 * (main_~nl~6 + 1) % 18446744073709551616 % 2 != 0 then main_~nl~6 * (main_~nl~6 + 1) % 18446744073709551616 / 2 + 1 else main_~nl~6 * (main_~nl~6 + 1) % 18446744073709551616 / 2); [L32] __VERIFIER_assert_#in~cond := (if main_~sn~6 % 18446744073709551616 == main_~gauss~6 % 18446744073709551616 || main_~sn~6 % 18446744073709551616 == 0 then 1 else 0); [L33] havoc __VERIFIER_assert_~cond; [L34] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L35] assume __VERIFIER_assert_~cond == 0; [L36] assume !false; [L46] assert false; - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 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=5occurred 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...