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/Arrays/Arrays12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:06:30,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:06:30,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:06:30,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:06:30,621 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:06:30,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:06:30,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:06:30,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:06:30,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:06:30,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:06:30,632 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:06:30,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:06:30,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:06:30,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:06:30,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:06:30,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:06:30,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:06:30,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:06:30,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:06:30,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:06:30,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:06:30,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:06:30,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:06:30,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:06:30,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:06:30,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:06:30,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:06:30,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:06:30,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:06:30,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:06:30,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:06:30,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:06:30,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:06:30,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:06:30,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:06:30,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:06:30,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:06:30,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:06:30,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:06:30,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:06:30,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:06:30,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:06:30,721 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:06:30,723 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:06:30,725 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:06:30,725 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:06:30,726 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/Arrays/Arrays12.bpl [2019-08-05 11:06:30,726 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/quantifier/Arrays/Arrays12.bpl' [2019-08-05 11:06:30,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:06:30,757 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:06:30,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:06:30,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:06:30,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:06:30,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Arrays12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:30" (1/1) ... [2019-08-05 11:06:30,785 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Arrays12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:30" (1/1) ... [2019-08-05 11:06:30,791 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:06:30,792 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:06:30,792 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:06:30,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:06:30,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:06:30,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:06:30,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:06:30,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Arrays12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:30" (1/1) ... [2019-08-05 11:06:30,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Arrays12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:30" (1/1) ... [2019-08-05 11:06:30,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Arrays12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:30" (1/1) ... [2019-08-05 11:06:30,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Arrays12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:30" (1/1) ... [2019-08-05 11:06:30,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Arrays12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:30" (1/1) ... [2019-08-05 11:06:30,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Arrays12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:30" (1/1) ... [2019-08-05 11:06:30,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Arrays12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:30" (1/1) ... [2019-08-05 11:06:30,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:06:30,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:06:30,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:06:30,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:06:30,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Arrays12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:30" (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 11:06:30,888 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:06:30,889 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:06:31,326 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:06:31,326 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:06:31,328 INFO L202 PluginConnector]: Adding new model Arrays12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:06:31 BoogieIcfgContainer [2019-08-05 11:06:31,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:06:31,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:06:31,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:06:31,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:06:31,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Arrays12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:06:30" (1/2) ... [2019-08-05 11:06:31,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@401bc3f8 and model type Arrays12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:06:31, skipping insertion in model container [2019-08-05 11:06:31,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Arrays12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:06:31" (2/2) ... [2019-08-05 11:06:31,337 INFO L109 eAbstractionObserver]: Analyzing ICFG Arrays12.bpl [2019-08-05 11:06:31,347 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:06:31,355 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2019-08-05 11:06:31,372 INFO L252 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2019-08-05 11:06:31,399 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:06:31,399 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:06:31,400 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:06:31,400 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:06:31,400 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:06:31,400 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:06:31,401 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:06:31,401 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:06:31,401 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:06:31,416 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-08-05 11:06:31,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 11:06:31,425 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:06:31,426 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 11:06:31,428 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr6ASSERT_VIOLATIONASSERT, mainErr8ASSERT_VIOLATIONASSERT, mainErr11ASSERT_VIOLATIONASSERT, mainErr3ASSERT_VIOLATIONASSERT, mainErr4ASSERT_VIOLATIONASSERT, mainErr10ASSERT_VIOLATIONASSERT, mainErr7ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT, mainErr5ASSERT_VIOLATIONASSERT, mainErr12ASSERT_VIOLATIONASSERT, mainErr9ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:06:31,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:06:31,435 INFO L82 PathProgramCache]: Analyzing trace with hash 29888, now seen corresponding path program 1 times [2019-08-05 11:06:31,486 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:06:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:06:31,577 WARN L254 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2019-08-05 11:06:31,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:06:31,708 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 208 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 101 [2019-08-05 11:06:31,709 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-05 11:06:31,948 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-08-05 11:06:31,949 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-05 11:06:31,951 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-05 11:06:31,951 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:63, output treesize:101 [2019-08-05 11:06:32,310 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-08-05 11:06:32,448 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-08-05 11:06:32,451 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 11:06:32,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:06:32,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 11:06:32,459 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 11:06:32,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 11:06:32,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-08-05 11:06:32,477 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 4 states. [2019-08-05 11:06:32,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:06:32,742 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2019-08-05 11:06:32,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 11:06:32,751 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-08-05 11:06:32,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:06:32,759 INFO L225 Difference]: With dead ends: 29 [2019-08-05 11:06:32,759 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:06:32,761 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-08-05 11:06:32,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:06:32,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:06:32,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:06:32,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:06:32,789 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-08-05 11:06:32,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:06:32,789 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:06:32,789 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 11:06:32,790 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:06:32,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:06:32,798 INFO L202 PluginConnector]: Adding new model Arrays12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:06:32 BoogieIcfgContainer [2019-08-05 11:06:32,798 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:06:32,802 INFO L168 Benchmark]: Toolchain (without parser) took 2044.33 ms. Allocated memory was 142.1 MB in the beginning and 176.2 MB in the end (delta: 34.1 MB). Free memory was 110.4 MB in the beginning and 116.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:32,804 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 142.1 MB. Free memory is still 111.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:06:32,805 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.73 ms. Allocated memory is still 142.1 MB. Free memory was 110.0 MB in the beginning and 108.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:32,806 INFO L168 Benchmark]: Boogie Preprocessor took 23.07 ms. Allocated memory is still 142.1 MB. Free memory was 108.3 MB in the beginning and 107.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:32,808 INFO L168 Benchmark]: RCFGBuilder took 510.09 ms. Allocated memory is still 142.1 MB. Free memory was 107.0 MB in the beginning and 94.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:32,811 INFO L168 Benchmark]: TraceAbstraction took 1469.93 ms. Allocated memory was 142.1 MB in the beginning and 176.2 MB in the end (delta: 34.1 MB). Free memory was 94.9 MB in the beginning and 116.9 MB in the end (delta: -21.9 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:06:32,816 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 0.15 ms. Allocated memory is still 142.1 MB. Free memory is still 111.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 36.73 ms. Allocated memory is still 142.1 MB. Free memory was 110.0 MB in the beginning and 108.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.07 ms. Allocated memory is still 142.1 MB. Free memory was 108.3 MB in the beginning and 107.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 510.09 ms. Allocated memory is still 142.1 MB. Free memory was 107.0 MB in the beginning and 94.9 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1469.93 ms. Allocated memory was 142.1 MB in the beginning and 176.2 MB in the end (delta: 34.1 MB). Free memory was 94.9 MB in the beginning and 116.9 MB in the end (delta: -21.9 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 42]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 45]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 38]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 44]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 41]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 33]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 39]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 46]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 43]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 35]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 36]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 13 error locations. SAFE Result, 1.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 28 SDslu, 0 SDs, 0 SdLazy, 39 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 0.8s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 416 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...