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/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:49:02,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:49:02,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:49:02,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:49:02,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:49:02,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:49:02,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:49:02,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:49:02,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:49:02,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:49:02,197 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:49:02,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:49:02,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:49:02,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:49:02,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:49:02,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:49:02,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:49:02,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:49:02,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:49:02,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:49:02,210 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:49:02,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:49:02,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:49:02,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:49:02,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:49:02,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:49:02,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:49:02,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:49:02,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:49:02,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:49:02,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:49:02,219 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:49:02,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:49:02,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:49:02,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:49:02,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:49:02,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:49:02,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:49:02,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:49:02,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:49:02,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:49:02,255 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:49:02,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:49:02,274 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:49:02,276 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:49:02,277 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:49:02,278 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl [2019-08-05 10:49:02,278 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl' [2019-08-05 10:49:02,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:49:02,322 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:49:02,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:49:02,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:49:02,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:49:02,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:49:02" (1/1) ... [2019-08-05 10:49:02,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:49:02" (1/1) ... [2019-08-05 10:49:02,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:49:02,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:49:02,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:49:02,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:49:02,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:49:02" (1/1) ... [2019-08-05 10:49:02,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:49:02" (1/1) ... [2019-08-05 10:49:02,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:49:02" (1/1) ... [2019-08-05 10:49:02,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:49:02" (1/1) ... [2019-08-05 10:49:02,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:49:02" (1/1) ... [2019-08-05 10:49:02,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:49:02" (1/1) ... [2019-08-05 10:49:02,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:49:02" (1/1) ... [2019-08-05 10:49:02,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:49:02,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:49:02,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:49:02,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:49:02,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:49:02" (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 10:49:02,450 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 10:49:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 10:49:02,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 10:49:02,693 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 10:49:02,694 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:49:02,695 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:49:02 BoogieIcfgContainer [2019-08-05 10:49:02,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:49:02,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:49:02,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:49:02,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:49:02,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:49:02" (1/2) ... [2019-08-05 10:49:02,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1939cf and model type gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:49:02, skipping insertion in model container [2019-08-05 10:49:02,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:49:02" (2/2) ... [2019-08-05 10:49:02,704 INFO L109 eAbstractionObserver]: Analyzing ICFG gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl [2019-08-05 10:49:02,713 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:49:02,720 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:49:02,734 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:49:02,757 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:49:02,758 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:49:02,759 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:49:02,759 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:49:02,759 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:49:02,759 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:49:02,759 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:49:02,759 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:49:02,760 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:49:02,773 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-08-05 10:49:02,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 10:49:02,782 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:49:02,782 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 10:49:02,785 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:49:02,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:49:02,791 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2019-08-05 10:49:02,836 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:49:02,865 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-08-05 10:49:02,866 INFO L285 seRefinementStrategy]: Strategy FixedRefinementStrategy was unsuccessful and could not determine trace feasibility. [2019-08-05 10:49:02,866 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 10:49:02,884 WARN L226 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2019-08-05 10:49:02,884 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:49:02 BoogieIcfgContainer [2019-08-05 10:49:02,884 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:49:02,887 INFO L168 Benchmark]: Toolchain (without parser) took 564.84 ms. Allocated memory is still 135.3 MB. Free memory was 111.6 MB in the beginning and 88.2 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:49:02,888 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 135.3 MB. Free memory is still 112.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:49:02,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.20 ms. Allocated memory is still 135.3 MB. Free memory was 111.1 MB in the beginning and 109.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:49:02,891 INFO L168 Benchmark]: Boogie Preprocessor took 22.38 ms. Allocated memory is still 135.3 MB. Free memory was 109.5 MB in the beginning and 108.6 MB in the end (delta: 838.8 kB). Peak memory consumption was 838.8 kB. Max. memory is 7.1 GB. [2019-08-05 10:49:02,892 INFO L168 Benchmark]: RCFGBuilder took 315.74 ms. Allocated memory is still 135.3 MB. Free memory was 108.6 MB in the beginning and 99.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-08-05 10:49:02,893 INFO L168 Benchmark]: TraceAbstraction took 187.57 ms. Allocated memory is still 135.3 MB. Free memory was 98.7 MB in the beginning and 88.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-05 10:49:02,897 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 0.21 ms. Allocated memory is still 135.3 MB. Free memory is still 112.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.20 ms. Allocated memory is still 135.3 MB. Free memory was 111.1 MB in the beginning and 109.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.38 ms. Allocated memory is still 135.3 MB. Free memory was 109.5 MB in the beginning and 108.6 MB in the end (delta: 838.8 kB). Peak memory consumption was 838.8 kB. Max. memory is 7.1 GB. * RCFGBuilder took 315.74 ms. Allocated memory is still 135.3 MB. Free memory was 108.6 MB in the beginning and 99.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 187.57 ms. Allocated memory is still 135.3 MB. Free memory was 98.7 MB in the beginning and 88.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 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_~n~5, main_~sum~5, main_#t~post1, main_~i~5; [L16] havoc main_~n~5; [L17] havoc main_~sum~5; [L18] havoc main_~i~5; [L19] assume 0 <= main_#t~nondet0 + 2147483648 && main_#t~nondet0 <= 2147483647; [L20] main_~n~5 := main_#t~nondet0; [L21] havoc main_#t~nondet0; [L22] assume 1 <= main_~n~5 && main_~n~5 <= 1000; [L23] main_~sum~5 := 0; [L24] main_~i~5 := 1; [L31] assume !(main_~i~5 <= main_~n~5); [L32] assume !(2 * main_~sum~5 == main_~n~5 * (main_~n~5 + 1)); [L33] __VERIFIER_assert_#in~cond := 0; [L34] havoc __VERIFIER_assert_~cond; [L35] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L36] assume __VERIFIER_assert_~cond == 0; [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...