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/46_repeated_quasi_malloc_vs_old.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:11:15,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:11:15,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:11:15,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:11:15,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:11:15,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:11:15,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:11:15,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:11:15,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:11:15,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:11:15,669 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:11:15,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:11:15,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:11:15,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:11:15,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:11:15,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:11:15,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:11:15,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:11:15,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:11:15,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:11:15,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:11:15,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:11:15,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:11:15,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:11:15,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:11:15,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:11:15,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:11:15,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:11:15,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:11:15,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:11:15,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:11:15,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:11:15,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:11:15,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:11:15,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:11:15,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:11:15,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:11:15,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:11:15,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:11:15,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:11:15,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:11:15,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:11:15,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:11:15,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:11:15,782 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:11:15,783 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:11:15,784 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/46_repeated_quasi_malloc_vs_old.bpl [2019-08-05 11:11:15,785 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/regression/eq/46_repeated_quasi_malloc_vs_old.bpl' [2019-08-05 11:11:15,818 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:11:15,819 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:11:15,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:11:15,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:11:15,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:11:15,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "46_repeated_quasi_malloc_vs_old.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:15" (1/1) ... [2019-08-05 11:11:15,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "46_repeated_quasi_malloc_vs_old.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:15" (1/1) ... [2019-08-05 11:11:15,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:11:15,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:11:15,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:11:15,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:11:15,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "46_repeated_quasi_malloc_vs_old.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:15" (1/1) ... [2019-08-05 11:11:15,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "46_repeated_quasi_malloc_vs_old.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:15" (1/1) ... [2019-08-05 11:11:15,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "46_repeated_quasi_malloc_vs_old.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:15" (1/1) ... [2019-08-05 11:11:15,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "46_repeated_quasi_malloc_vs_old.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:15" (1/1) ... [2019-08-05 11:11:15,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "46_repeated_quasi_malloc_vs_old.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:15" (1/1) ... [2019-08-05 11:11:15,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "46_repeated_quasi_malloc_vs_old.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:15" (1/1) ... [2019-08-05 11:11:15,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "46_repeated_quasi_malloc_vs_old.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:15" (1/1) ... [2019-08-05 11:11:15,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:11:15,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:11:15,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:11:15,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:11:15,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "46_repeated_quasi_malloc_vs_old.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:15" (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 11:11:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:11:15,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:11:16,174 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:11:16,175 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 11:11:16,176 INFO L202 PluginConnector]: Adding new model 46_repeated_quasi_malloc_vs_old.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:11:16 BoogieIcfgContainer [2019-08-05 11:11:16,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:11:16,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:11:16,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:11:16,182 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:11:16,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "46_repeated_quasi_malloc_vs_old.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:11:15" (1/2) ... [2019-08-05 11:11:16,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6058489b and model type 46_repeated_quasi_malloc_vs_old.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:11:16, skipping insertion in model container [2019-08-05 11:11:16,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "46_repeated_quasi_malloc_vs_old.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:11:16" (2/2) ... [2019-08-05 11:11:16,186 INFO L109 eAbstractionObserver]: Analyzing ICFG 46_repeated_quasi_malloc_vs_old.bpl [2019-08-05 11:11:16,197 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:11:16,205 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:11:16,225 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:11:16,256 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:11:16,257 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:11:16,257 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:11:16,257 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:11:16,258 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:11:16,258 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:11:16,258 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:11:16,258 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:11:16,258 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:11:16,274 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 11:11:16,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:11:16,299 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:11:16,300 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:11:16,305 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:11:16,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:11:16,313 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-08-05 11:11:16,370 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:11:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:11:16,425 WARN L254 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2019-08-05 11:11:16,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:11:17,193 WARN L188 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2019-08-05 11:11:17,195 INFO L341 Elim1Store]: treesize reduction 73, result has 53.5 percent of original size [2019-08-05 11:11:17,196 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 11 case distinctions, treesize of input 45 treesize of output 113 [2019-08-05 11:11:17,199 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:11:17,201 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:11:17,202 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:11:17,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:11:17,208 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:11:17,210 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:11:17,211 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:11:17,212 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:11:17,214 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:11:17,215 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:11:17,219 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:11:17,609 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 22 [2019-08-05 11:11:17,610 INFO L567 ElimStorePlain]: treesize reduction 86, result has 27.7 percent of original size [2019-08-05 11:11:17,614 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-08-05 11:11:17,614 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:42, output treesize:33 [2019-08-05 11:11:17,661 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 11:11:17,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:11:17,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:11:17,667 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:11:17,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:11:17,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:11:17,680 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2019-08-05 11:11:17,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:11:17,711 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2019-08-05 11:11:17,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:11:17,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 11:11:17,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:11:17,720 INFO L225 Difference]: With dead ends: 3 [2019-08-05 11:11:17,720 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:11:17,722 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 11:11:17,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:11:17,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:11:17,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:11:17,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:11:17,749 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2 [2019-08-05 11:11:17,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:11:17,749 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:11:17,749 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:11:17,749 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:11:17,749 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:11:17,755 INFO L202 PluginConnector]: Adding new model 46_repeated_quasi_malloc_vs_old.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:11:17 BoogieIcfgContainer [2019-08-05 11:11:17,755 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:11:17,758 INFO L168 Benchmark]: Toolchain (without parser) took 1937.39 ms. Allocated memory was 135.3 MB in the beginning and 169.3 MB in the end (delta: 34.1 MB). Free memory was 112.7 MB in the beginning and 125.7 MB in the end (delta: -12.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:17,758 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 ms. Allocated memory is still 135.3 MB. Free memory is still 113.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:11:17,760 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.98 ms. Allocated memory is still 135.3 MB. Free memory was 112.3 MB in the beginning and 110.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:17,761 INFO L168 Benchmark]: Boogie Preprocessor took 18.69 ms. Allocated memory is still 135.3 MB. Free memory was 110.6 MB in the beginning and 109.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:17,762 INFO L168 Benchmark]: RCFGBuilder took 293.19 ms. Allocated memory is still 135.3 MB. Free memory was 109.3 MB in the beginning and 100.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:17,763 INFO L168 Benchmark]: TraceAbstraction took 1577.32 ms. Allocated memory was 135.3 MB in the beginning and 169.3 MB in the end (delta: 34.1 MB). Free memory was 99.8 MB in the beginning and 125.7 MB in the end (delta: -25.9 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:11:17,767 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 135.3 MB. Free memory is still 113.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.98 ms. Allocated memory is still 135.3 MB. Free memory was 112.3 MB in the beginning and 110.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.69 ms. Allocated memory is still 135.3 MB. Free memory was 110.6 MB in the beginning and 109.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 293.19 ms. Allocated memory is still 135.3 MB. Free memory was 109.3 MB in the beginning and 100.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1577.32 ms. Allocated memory was 135.3 MB in the beginning and 169.3 MB in the end (delta: 34.1 MB). Free memory was 99.8 MB in the beginning and 125.7 MB in the end (delta: -25.9 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: 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, 1.5s 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, 1.2s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1 ConstructedInterpolants, 1 QuantifiedInterpolants, 35 SizeOfPredicates, 1 NumberOfNonLiveVariables, 12 ConjunctsInSsa, 8 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...