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/19_multilayer_of_array_access.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:11:40,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:11:40,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:11:40,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:11:40,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:11:40,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:11:40,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:11:40,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:11:40,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:11:40,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:11:40,998 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:11:40,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:11:40,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:11:41,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:11:41,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:11:41,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:11:41,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:11:41,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:11:41,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:11:41,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:11:41,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:11:41,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:11:41,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:11:41,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:11:41,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:11:41,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:11:41,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:11:41,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:11:41,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:11:41,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:11:41,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:11:41,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:11:41,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:11:41,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:11:41,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:11:41,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:11:41,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:11:41,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:11:41,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:11:41,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:11:41,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:11:41,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:11:41,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:11:41,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:11:41,105 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:11:41,105 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:11:41,106 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/19_multilayer_of_array_access.bpl [2019-08-05 11:11:41,107 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/19_multilayer_of_array_access.bpl' [2019-08-05 11:11:41,144 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:11:41,145 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:11:41,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:11:41,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:11:41,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:11:41,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:41" (1/1) ... [2019-08-05 11:11:41,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:41" (1/1) ... [2019-08-05 11:11:41,182 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:11:41,182 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:11:41,183 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:11:41,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:11:41,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:11:41,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:11:41,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:11:41,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:41" (1/1) ... [2019-08-05 11:11:41,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:41" (1/1) ... [2019-08-05 11:11:41,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:41" (1/1) ... [2019-08-05 11:11:41,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:41" (1/1) ... [2019-08-05 11:11:41,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:41" (1/1) ... [2019-08-05 11:11:41,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:41" (1/1) ... [2019-08-05 11:11:41,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:41" (1/1) ... [2019-08-05 11:11:41,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:11:41,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:11:41,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:11:41,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:11:41,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:41" (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 11:11:41,275 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Easy given in one single declaration [2019-08-05 11:11:41,275 INFO L130 BoogieDeclarations]: Found specification of procedure Easy [2019-08-05 11:11:41,276 INFO L138 BoogieDeclarations]: Found implementation of procedure Easy [2019-08-05 11:11:41,505 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:11:41,505 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:11:41,506 INFO L202 PluginConnector]: Adding new model 19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:11:41 BoogieIcfgContainer [2019-08-05 11:11:41,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:11:41,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:11:41,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:11:41,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:11:41,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:41" (1/2) ... [2019-08-05 11:11:41,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e87290 and model type 19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:11:41, skipping insertion in model container [2019-08-05 11:11:41,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:11:41" (2/2) ... [2019-08-05 11:11:41,518 INFO L109 eAbstractionObserver]: Analyzing ICFG 19_multilayer_of_array_access.bpl [2019-08-05 11:11:41,525 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:11:41,532 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:11:41,548 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:11:41,573 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:11:41,574 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:11:41,574 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:11:41,574 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:11:41,575 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:11:41,575 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:11:41,575 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:11:41,575 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:11:41,575 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:11:41,589 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 11:11:41,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:11:41,597 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:11:41,598 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:11:41,600 INFO L418 AbstractCegarLoop]: === Iteration 1 === [EasyErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:11:41,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:11:41,606 INFO L82 PathProgramCache]: Analyzing trace with hash 962, now seen corresponding path program 1 times [2019-08-05 11:11:41,658 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:11:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:11:41,687 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2019-08-05 11:11:41,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:11:41,781 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2019-08-05 11:11:41,781 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:11:41,901 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2019-08-05 11:11:41,902 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:11:41,941 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-05 11:11:41,941 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-05 11:11:41,981 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:11:42,004 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2019-08-05 11:11:42,004 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-05 11:11:42,038 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:11:42,039 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:11:42,040 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:25, output treesize:22 [2019-08-05 11:11:42,073 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 11:11:42,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:11:42,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:11:42,079 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:11:42,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:11:42,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:11:42,094 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2019-08-05 11:11:42,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:11:42,109 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2019-08-05 11:11:42,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:11:42,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 11:11:42,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:11:42,119 INFO L225 Difference]: With dead ends: 3 [2019-08-05 11:11:42,119 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:11:42,121 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:11:42,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:11:42,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:11:42,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:11:42,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:11:42,147 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2 [2019-08-05 11:11:42,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:11:42,148 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:11:42,148 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:11:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:11:42,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:11:42,154 INFO L202 PluginConnector]: Adding new model 19_multilayer_of_array_access.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:11:42 BoogieIcfgContainer [2019-08-05 11:11:42,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:11:42,156 INFO L168 Benchmark]: Toolchain (without parser) took 1010.81 ms. Allocated memory is still 140.0 MB. Free memory was 108.5 MB in the beginning and 69.7 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:42,157 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.65 ms. Allocated memory is still 140.0 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:11:42,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.30 ms. Allocated memory is still 140.0 MB. Free memory was 108.5 MB in the beginning and 106.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:42,159 INFO L168 Benchmark]: Boogie Preprocessor took 21.93 ms. Allocated memory is still 140.0 MB. Free memory was 106.6 MB in the beginning and 105.7 MB in the end (delta: 933.8 kB). Peak memory consumption was 933.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:11:42,160 INFO L168 Benchmark]: RCFGBuilder took 298.71 ms. Allocated memory is still 140.0 MB. Free memory was 105.5 MB in the beginning and 96.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:42,161 INFO L168 Benchmark]: TraceAbstraction took 646.20 ms. Allocated memory is still 140.0 MB. Free memory was 96.0 MB in the beginning and 69.7 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:42,165 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 0.65 ms. Allocated memory is still 140.0 MB. Free memory was 109.8 MB in the beginning and 109.6 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 39.30 ms. Allocated memory is still 140.0 MB. Free memory was 108.5 MB in the beginning and 106.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.93 ms. Allocated memory is still 140.0 MB. Free memory was 106.6 MB in the beginning and 105.7 MB in the end (delta: 933.8 kB). Peak memory consumption was 933.8 kB. Max. memory is 7.1 GB. * RCFGBuilder took 298.71 ms. Allocated memory is still 140.0 MB. Free memory was 105.5 MB in the beginning and 96.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 646.20 ms. Allocated memory is still 140.0 MB. Free memory was 96.0 MB in the beginning and 69.7 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 16]: 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, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 0.3s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 6 ConjunctsInSsa, 4 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...