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/quantifier/regression/bpl/BoogieArrayTest-ReadCombinedInformationSafe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:06:43,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:06:43,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:06:43,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:06:43,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:06:43,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:06:43,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:06:43,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:06:43,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:06:43,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:06:43,572 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:06:43,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:06:43,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:06:43,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:06:43,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:06:43,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:06:43,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:06:43,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:06:43,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:06:43,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:06:43,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:06:43,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:06:43,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:06:43,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:06:43,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:06:43,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:06:43,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:06:43,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:06:43,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:06:43,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:06:43,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:06:43,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:06:43,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:06:43,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:06:43,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:06:43,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:06:43,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:06:43,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:06:43,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:06:43,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:06:43,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:06:43,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:06:43,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:06:43,676 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:06:43,678 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:06:43,678 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:06:43,679 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/BoogieArrayTest-ReadCombinedInformationSafe.bpl [2019-08-05 11:06:43,680 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/regression/bpl/BoogieArrayTest-ReadCombinedInformationSafe.bpl' [2019-08-05 11:06:43,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:06:43,720 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:06:43,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:06:43,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:06:43,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:06:43,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BoogieArrayTest-ReadCombinedInformationSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:43" (1/1) ... [2019-08-05 11:06:43,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BoogieArrayTest-ReadCombinedInformationSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:43" (1/1) ... [2019-08-05 11:06:43,760 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:06:43,761 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:06:43,761 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:06:43,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:06:43,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:06:43,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:06:43,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:06:43,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BoogieArrayTest-ReadCombinedInformationSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:43" (1/1) ... [2019-08-05 11:06:43,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BoogieArrayTest-ReadCombinedInformationSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:43" (1/1) ... [2019-08-05 11:06:43,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BoogieArrayTest-ReadCombinedInformationSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:43" (1/1) ... [2019-08-05 11:06:43,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BoogieArrayTest-ReadCombinedInformationSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:43" (1/1) ... [2019-08-05 11:06:43,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BoogieArrayTest-ReadCombinedInformationSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:43" (1/1) ... [2019-08-05 11:06:43,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BoogieArrayTest-ReadCombinedInformationSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:43" (1/1) ... [2019-08-05 11:06:43,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BoogieArrayTest-ReadCombinedInformationSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:43" (1/1) ... [2019-08-05 11:06:43,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:06:43,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:06:43,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:06:43,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:06:43,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BoogieArrayTest-ReadCombinedInformationSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:43" (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 11:06:43,861 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:06:43,861 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:06:44,022 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:06:44,023 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:06:44,024 INFO L202 PluginConnector]: Adding new model BoogieArrayTest-ReadCombinedInformationSafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:06:44 BoogieIcfgContainer [2019-08-05 11:06:44,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:06:44,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:06:44,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:06:44,030 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:06:44,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BoogieArrayTest-ReadCombinedInformationSafe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:43" (1/2) ... [2019-08-05 11:06:44,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b50e6b and model type BoogieArrayTest-ReadCombinedInformationSafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:06:44, skipping insertion in model container [2019-08-05 11:06:44,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "BoogieArrayTest-ReadCombinedInformationSafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:06:44" (2/2) ... [2019-08-05 11:06:44,033 INFO L109 eAbstractionObserver]: Analyzing ICFG BoogieArrayTest-ReadCombinedInformationSafe.bpl [2019-08-05 11:06:44,044 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:06:44,052 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:06:44,069 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:06:44,096 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:06:44,097 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:06:44,097 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:06:44,097 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:06:44,098 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:06:44,098 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:06:44,098 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:06:44,098 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:06:44,098 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:06:44,113 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2019-08-05 11:06:44,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:06:44,121 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:06:44,122 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:06:44,125 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:06:44,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:06:44,131 INFO L82 PathProgramCache]: Analyzing trace with hash 962, now seen corresponding path program 1 times [2019-08-05 11:06:44,182 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:06:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:06:44,222 WARN L254 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 7 conjunts are in the unsatisfiable core [2019-08-05 11:06:44,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:06:44,345 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:06:44,346 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 20 [2019-08-05 11:06:44,348 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:06:44,480 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-08-05 11:06:44,481 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:06:44,482 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:06:44,483 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:20, output treesize:5 [2019-08-05 11:06:44,498 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 11:06:44,500 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:06:44,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:06:44,504 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:06:44,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:06:44,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:06:44,522 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2019-08-05 11:06:44,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:06:44,552 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2019-08-05 11:06:44,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:06:44,554 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 11:06:44,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:06:44,562 INFO L225 Difference]: With dead ends: 3 [2019-08-05 11:06:44,563 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:06:44,565 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 11:06:44,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:06:44,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:06:44,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:06:44,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:06:44,600 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2 [2019-08-05 11:06:44,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:06:44,601 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:06:44,601 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:06:44,601 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:06:44,601 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:06:44,607 INFO L202 PluginConnector]: Adding new model BoogieArrayTest-ReadCombinedInformationSafe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:06:44 BoogieIcfgContainer [2019-08-05 11:06:44,607 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:06:44,610 INFO L168 Benchmark]: Toolchain (without parser) took 889.86 ms. Allocated memory is still 141.6 MB. Free memory was 111.2 MB in the beginning and 76.7 MB in the end (delta: 34.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:44,612 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 141.6 MB. Free memory is still 112.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:06:44,613 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.29 ms. Allocated memory is still 141.6 MB. Free memory was 111.2 MB in the beginning and 109.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:44,614 INFO L168 Benchmark]: Boogie Preprocessor took 25.19 ms. Allocated memory is still 141.6 MB. Free memory was 109.1 MB in the beginning and 108.3 MB in the end (delta: 857.8 kB). Peak memory consumption was 857.8 kB. Max. memory is 7.1 GB. [2019-08-05 11:06:44,615 INFO L168 Benchmark]: RCFGBuilder took 234.45 ms. Allocated memory is still 141.6 MB. Free memory was 108.3 MB in the beginning and 99.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:44,616 INFO L168 Benchmark]: TraceAbstraction took 581.79 ms. Allocated memory is still 141.6 MB. Free memory was 99.2 MB in the beginning and 76.7 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:44,622 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 0.23 ms. Allocated memory is still 141.6 MB. Free memory is still 112.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.29 ms. Allocated memory is still 141.6 MB. Free memory was 111.2 MB in the beginning and 109.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.19 ms. Allocated memory is still 141.6 MB. Free memory was 109.1 MB in the beginning and 108.3 MB in the end (delta: 857.8 kB). Peak memory consumption was 857.8 kB. Max. memory is 7.1 GB. * RCFGBuilder took 234.45 ms. Allocated memory is still 141.6 MB. Free memory was 108.3 MB in the beginning and 99.2 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 581.79 ms. Allocated memory is still 141.6 MB. Free memory was 99.2 MB in the beginning and 76.7 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 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, 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, 0.2s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 3 NumberOfNonLiveVariables, 9 ConjunctsInSsa, 7 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...