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/benchmark/eq/boogie-example-framing_reduced.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:16:29,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:16:29,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:16:29,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:16:29,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:16:29,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:16:29,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:16:29,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:16:29,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:16:29,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:16:29,718 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:16:29,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:16:29,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:16:29,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:16:29,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:16:29,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:16:29,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:16:29,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:16:29,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:16:29,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:16:29,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:16:29,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:16:29,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:16:29,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:16:29,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:16:29,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:16:29,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:16:29,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:16:29,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:16:29,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:16:29,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:16:29,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:16:29,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:16:29,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:16:29,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:16:29,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:16:29,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:16:29,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:16:29,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:16:29,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:16:29,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:16:29,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:16:29,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:16:29,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:16:29,827 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:16:29,828 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:16:29,828 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/benchmark/eq/boogie-example-framing_reduced.bpl [2019-08-05 11:16:29,829 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/abstractInterpretation/benchmark/eq/boogie-example-framing_reduced.bpl' [2019-08-05 11:16:29,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:16:29,866 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:16:29,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:16:29,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:16:29,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:16:29,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "boogie-example-framing_reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:29" (1/1) ... [2019-08-05 11:16:29,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "boogie-example-framing_reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:29" (1/1) ... [2019-08-05 11:16:29,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:16:29,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:16:29,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:16:29,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:16:29,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "boogie-example-framing_reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:29" (1/1) ... [2019-08-05 11:16:29,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "boogie-example-framing_reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:29" (1/1) ... [2019-08-05 11:16:29,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "boogie-example-framing_reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:29" (1/1) ... [2019-08-05 11:16:29,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "boogie-example-framing_reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:29" (1/1) ... [2019-08-05 11:16:29,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "boogie-example-framing_reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:29" (1/1) ... [2019-08-05 11:16:29,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "boogie-example-framing_reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:29" (1/1) ... [2019-08-05 11:16:29,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "boogie-example-framing_reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:29" (1/1) ... [2019-08-05 11:16:29,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:16:29,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:16:29,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:16:29,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:16:29,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "boogie-example-framing_reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:29" (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 11:16:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:16:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:16:30,225 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:16:30,226 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 11:16:30,227 INFO L202 PluginConnector]: Adding new model boogie-example-framing_reduced.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:16:30 BoogieIcfgContainer [2019-08-05 11:16:30,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:16:30,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:16:30,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:16:30,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:16:30,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "boogie-example-framing_reduced.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:16:29" (1/2) ... [2019-08-05 11:16:30,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c7fd858 and model type boogie-example-framing_reduced.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:16:30, skipping insertion in model container [2019-08-05 11:16:30,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "boogie-example-framing_reduced.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:16:30" (2/2) ... [2019-08-05 11:16:30,235 INFO L109 eAbstractionObserver]: Analyzing ICFG boogie-example-framing_reduced.bpl [2019-08-05 11:16:30,245 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:16:30,252 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:16:30,269 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:16:30,296 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:16:30,297 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:16:30,297 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:16:30,297 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:16:30,297 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:16:30,297 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:16:30,297 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:16:30,298 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:16:30,298 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:16:30,311 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 11:16:30,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:16:30,319 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:16:30,320 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:16:30,323 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:16:30,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:16:30,329 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-08-05 11:16:30,378 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:16:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:16:30,434 WARN L254 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2019-08-05 11:16:30,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:16:31,298 WARN L188 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2019-08-05 11:16:31,300 INFO L341 Elim1Store]: treesize reduction 73, result has 53.5 percent of original size [2019-08-05 11:16:31,301 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 11:16:31,304 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:16:31,306 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:16:31,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:16:31,309 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:16:31,314 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:16:31,315 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:16:31,317 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:16:31,318 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:16:31,320 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:16:31,335 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 11:16:31,341 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:16:31,675 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 22 [2019-08-05 11:16:31,677 INFO L567 ElimStorePlain]: treesize reduction 86, result has 27.7 percent of original size [2019-08-05 11:16:31,680 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 11:16:31,681 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:42, output treesize:33 [2019-08-05 11:16:31,741 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 11:16:31,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:16:31,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:16:31,747 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:16:31,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:16:31,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:16:31,761 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2019-08-05 11:16:31,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:16:31,789 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2019-08-05 11:16:31,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:16:31,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 11:16:31,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:16:31,798 INFO L225 Difference]: With dead ends: 3 [2019-08-05 11:16:31,799 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:16:31,801 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 11:16:31,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:16:31,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:16:31,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:16:31,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:16:31,828 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2 [2019-08-05 11:16:31,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:16:31,829 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:16:31,829 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:16:31,829 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:16:31,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:16:31,834 INFO L202 PluginConnector]: Adding new model boogie-example-framing_reduced.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:16:31 BoogieIcfgContainer [2019-08-05 11:16:31,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:16:31,837 INFO L168 Benchmark]: Toolchain (without parser) took 1970.64 ms. Allocated memory was 133.2 MB in the beginning and 171.4 MB in the end (delta: 38.3 MB). Free memory was 109.5 MB in the beginning and 127.1 MB in the end (delta: -17.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:16:31,838 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:16:31,839 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.18 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:16:31,840 INFO L168 Benchmark]: Boogie Preprocessor took 21.84 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 106.3 MB in the end (delta: 933.8 kB). Peak memory consumption was 933.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:16:31,841 INFO L168 Benchmark]: RCFGBuilder took 281.57 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 96.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:16:31,843 INFO L168 Benchmark]: TraceAbstraction took 1606.26 ms. Allocated memory was 133.2 MB in the beginning and 171.4 MB in the end (delta: 38.3 MB). Free memory was 96.7 MB in the beginning and 127.1 MB in the end (delta: -30.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:16:31,847 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 133.2 MB. Free memory was 110.7 MB in the beginning and 110.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 56.18 ms. Allocated memory is still 133.2 MB. Free memory was 109.5 MB in the beginning and 107.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.84 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 106.3 MB in the end (delta: 933.8 kB). Peak memory consumption was 933.8 kB. Max. memory is 7.1 GB. * RCFGBuilder took 281.57 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 96.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1606.26 ms. Allocated memory was 133.2 MB in the beginning and 171.4 MB in the end (delta: 38.3 MB). Free memory was 96.7 MB in the beginning and 127.1 MB in the end (delta: -30.5 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 15]: 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, 1.3s 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...