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/abstractInterpretation/regression/eq/30a_join_vs_weak_eq_closure_triangleineq.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:12:08,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:12:08,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:12:08,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:12:08,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:12:08,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:12:08,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:12:08,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:12:08,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:12:08,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:12:08,293 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:12:08,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:12:08,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:12:08,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:12:08,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:12:08,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:12:08,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:12:08,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:12:08,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:12:08,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:12:08,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:12:08,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:12:08,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:12:08,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:12:08,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:12:08,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:12:08,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:12:08,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:12:08,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:12:08,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:12:08,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:12:08,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:12:08,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:12:08,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:12:08,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:12:08,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:12:08,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:12:08,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:12:08,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:12:08,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:12:08,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:12:08,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:12:08,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:12:08,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:12:08,382 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:12:08,382 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:12:08,383 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/30a_join_vs_weak_eq_closure_triangleineq.bpl [2019-08-05 11:12:08,383 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/30a_join_vs_weak_eq_closure_triangleineq.bpl' [2019-08-05 11:12:08,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:12:08,420 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:12:08,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:12:08,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:12:08,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:12:08,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "30a_join_vs_weak_eq_closure_triangleineq.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:08" (1/1) ... [2019-08-05 11:12:08,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "30a_join_vs_weak_eq_closure_triangleineq.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:08" (1/1) ... [2019-08-05 11:12:08,458 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:12:08,458 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:12:08,458 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:12:08,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:12:08,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:12:08,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:12:08,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:12:08,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "30a_join_vs_weak_eq_closure_triangleineq.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:08" (1/1) ... [2019-08-05 11:12:08,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "30a_join_vs_weak_eq_closure_triangleineq.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:08" (1/1) ... [2019-08-05 11:12:08,476 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "30a_join_vs_weak_eq_closure_triangleineq.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:08" (1/1) ... [2019-08-05 11:12:08,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "30a_join_vs_weak_eq_closure_triangleineq.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:08" (1/1) ... [2019-08-05 11:12:08,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "30a_join_vs_weak_eq_closure_triangleineq.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:08" (1/1) ... [2019-08-05 11:12:08,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "30a_join_vs_weak_eq_closure_triangleineq.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:08" (1/1) ... [2019-08-05 11:12:08,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "30a_join_vs_weak_eq_closure_triangleineq.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:08" (1/1) ... [2019-08-05 11:12:08,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:12:08,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:12:08,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:12:08,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:12:08,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "30a_join_vs_weak_eq_closure_triangleineq.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:08" (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 11:12:08,557 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Easy given in one single declaration [2019-08-05 11:12:08,558 INFO L130 BoogieDeclarations]: Found specification of procedure Easy [2019-08-05 11:12:08,558 INFO L138 BoogieDeclarations]: Found implementation of procedure Easy [2019-08-05 11:12:08,731 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:12:08,731 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:12:08,732 INFO L202 PluginConnector]: Adding new model 30a_join_vs_weak_eq_closure_triangleineq.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:12:08 BoogieIcfgContainer [2019-08-05 11:12:08,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:12:08,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:12:08,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:12:08,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:12:08,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "30a_join_vs_weak_eq_closure_triangleineq.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:12:08" (1/2) ... [2019-08-05 11:12:08,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cb3d2e7 and model type 30a_join_vs_weak_eq_closure_triangleineq.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:12:08, skipping insertion in model container [2019-08-05 11:12:08,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "30a_join_vs_weak_eq_closure_triangleineq.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:12:08" (2/2) ... [2019-08-05 11:12:08,741 INFO L109 eAbstractionObserver]: Analyzing ICFG 30a_join_vs_weak_eq_closure_triangleineq.bpl [2019-08-05 11:12:08,755 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:12:08,762 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:12:08,778 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:12:08,804 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:12:08,804 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:12:08,805 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:12:08,805 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:12:08,805 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:12:08,805 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:12:08,805 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:12:08,806 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:12:08,806 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:12:08,820 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 11:12:08,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:12:08,828 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:12:08,829 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:12:08,831 INFO L418 AbstractCegarLoop]: === Iteration 1 === [EasyErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:12:08,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:12:08,837 INFO L82 PathProgramCache]: Analyzing trace with hash 962, now seen corresponding path program 1 times [2019-08-05 11:12:08,887 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:12:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:12:08,922 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2019-08-05 11:12:08,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:12:21,108 WARN L860 $PredicateComparison]: unable to prove that (exists ((Easy_j Int) (Easy_y Int) (Easy_i Int) (Easy_x Int)) (and (= c_Easy_a (store (store c_Easy_c Easy_j Easy_y) Easy_i Easy_x)) (not (= c_Easy_k Easy_i)) (not (= c_Easy_k Easy_j)))) is different from true [2019-08-05 11:12:21,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 11:12:21,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:12:21,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:12:21,119 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:12:21,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:12:21,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=2, Unknown=1, NotChecked=0, Total=6 [2019-08-05 11:12:21,135 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2019-08-05 11:12:21,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:12:21,153 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2019-08-05 11:12:21,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:12:21,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 11:12:21,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:12:21,167 INFO L225 Difference]: With dead ends: 3 [2019-08-05 11:12:21,167 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:12:21,171 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=3, Invalid=2, Unknown=1, NotChecked=0, Total=6 [2019-08-05 11:12:21,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:12:21,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:12:21,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:12:21,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:12:21,198 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2 [2019-08-05 11:12:21,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:12:21,198 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:12:21,198 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:12:21,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:12:21,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:12:21,203 INFO L202 PluginConnector]: Adding new model 30a_join_vs_weak_eq_closure_triangleineq.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:12:21 BoogieIcfgContainer [2019-08-05 11:12:21,203 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:12:21,208 INFO L168 Benchmark]: Toolchain (without parser) took 12785.41 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 78.2 MB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:12:21,210 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 110.2 MB in the beginning and 110.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:12:21,213 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.81 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 107.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:12:21,214 INFO L168 Benchmark]: Boogie Preprocessor took 23.86 ms. Allocated memory is still 139.5 MB. Free memory was 107.1 MB in the beginning and 106.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:12:21,217 INFO L168 Benchmark]: RCFGBuilder took 247.13 ms. Allocated memory is still 139.5 MB. Free memory was 106.0 MB in the beginning and 97.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:12:21,219 INFO L168 Benchmark]: TraceAbstraction took 12469.44 ms. Allocated memory is still 139.5 MB. Free memory was 96.9 MB in the beginning and 78.2 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:12:21,225 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 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 110.2 MB in the beginning and 110.0 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 39.81 ms. Allocated memory is still 139.5 MB. Free memory was 109.0 MB in the beginning and 107.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.86 ms. Allocated memory is still 139.5 MB. Free memory was 107.1 MB in the beginning and 106.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 247.13 ms. Allocated memory is still 139.5 MB. Free memory was 106.0 MB in the beginning and 97.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12469.44 ms. Allocated memory is still 139.5 MB. Free memory was 96.9 MB in the beginning and 78.2 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 26]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 4 locations, 1 error locations. SAFE Result, 12.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.1s Time, 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 12.1s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1 ConstructedInterpolants, 1 QuantifiedInterpolants, 19 SizeOfPredicates, 5 NumberOfNonLiveVariables, 7 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...