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/20170304-DifficultPathPrograms/linear_search.i_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:20:59,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:20:59,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:20:59,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:20:59,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:20:59,898 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:20:59,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:20:59,901 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:20:59,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:20:59,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:20:59,905 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:20:59,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:20:59,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:20:59,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:20:59,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:20:59,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:20:59,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:20:59,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:20:59,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:20:59,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:20:59,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:20:59,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:20:59,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:20:59,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:20:59,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:20:59,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:20:59,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:20:59,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:20:59,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:20:59,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:20:59,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:20:59,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:20:59,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:20:59,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:20:59,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:20:59,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:20:59,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:20:59,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:20:59,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:20:59,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:20:59,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:20:59,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:20:59,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:20:59,980 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:20:59,982 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:20:59,983 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:20:59,984 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl [2019-08-05 10:20:59,984 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_search.i_5.bpl' [2019-08-05 10:21:00,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:21:00,052 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:21:00,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:21:00,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:21:00,055 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:21:00,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:21:00" (1/1) ... [2019-08-05 10:21:00,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:21:00" (1/1) ... [2019-08-05 10:21:00,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:21:00,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:21:00,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:21:00,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:21:00,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:21:00" (1/1) ... [2019-08-05 10:21:00,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:21:00" (1/1) ... [2019-08-05 10:21:00,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:21:00" (1/1) ... [2019-08-05 10:21:00,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:21:00" (1/1) ... [2019-08-05 10:21:00,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:21:00" (1/1) ... [2019-08-05 10:21:00,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:21:00" (1/1) ... [2019-08-05 10:21:00,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:21:00" (1/1) ... [2019-08-05 10:21:00,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:21:00,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:21:00,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:21:00,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:21:00,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:21:00" (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 10:21:00,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 10:21:00,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 10:21:00,481 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 10:21:00,481 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 10:21:00,482 INFO L202 PluginConnector]: Adding new model linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:21:00 BoogieIcfgContainer [2019-08-05 10:21:00,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:21:00,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:21:00,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:21:00,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:21:00,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:21:00" (1/2) ... [2019-08-05 10:21:00,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df68208 and model type linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:21:00, skipping insertion in model container [2019-08-05 10:21:00,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:21:00" (2/2) ... [2019-08-05 10:21:00,491 INFO L109 eAbstractionObserver]: Analyzing ICFG linear_search.i_5.bpl [2019-08-05 10:21:00,501 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:21:00,509 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:21:00,534 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:21:00,571 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:21:00,572 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:21:00,572 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:21:00,572 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:21:00,573 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:21:00,573 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:21:00,573 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:21:00,573 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:21:00,573 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:21:00,604 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 10:21:00,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:21:00,625 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:21:00,626 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:21:00,629 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:21:00,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:21:00,635 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2019-08-05 10:21:00,694 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:21:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:21:00,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2019-08-05 10:21:00,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:21:00,880 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:21:38,294 WARN L188 SmtUtils]: Spent 37.33 s on a formula simplification. DAG size of input: 46 DAG size of output: 16 [2019-08-05 10:21:38,330 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 10:21:38,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:21:38,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:21:38,338 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:21:38,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:21:38,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:21:38,356 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2019-08-05 10:21:38,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:21:38,414 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2019-08-05 10:21:38,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:21:38,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-08-05 10:21:38,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:21:38,430 INFO L225 Difference]: With dead ends: 7 [2019-08-05 10:21:38,430 INFO L226 Difference]: Without dead ends: 7 [2019-08-05 10:21:38,432 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 37.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:21:38,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-08-05 10:21:38,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-08-05 10:21:38,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-05 10:21:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-08-05 10:21:38,467 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-08-05 10:21:38,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:21:38,468 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-08-05 10:21:38,468 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:21:38,469 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-08-05 10:21:38,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 10:21:38,469 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:21:38,470 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-08-05 10:21:38,470 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:21:38,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:21:38,471 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2019-08-05 10:21:38,472 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:21:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:21:38,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2019-08-05 10:21:38,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:21:38,854 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 13 [2019-08-05 10:21:38,973 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:21:39,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:21:39,011 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:21:39,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-08-05 10:21:39,014 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-08-05 10:21:39,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-08-05 10:21:39,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:21:39,015 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 5 states. [2019-08-05 10:21:39,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:21:39,194 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2019-08-05 10:21:39,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:21:39,195 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-08-05 10:21:39,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:21:39,195 INFO L225 Difference]: With dead ends: 5 [2019-08-05 10:21:39,195 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 10:21:39,196 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-08-05 10:21:39,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 10:21:39,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 10:21:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 10:21:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 10:21:39,198 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-08-05 10:21:39,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:21:39,198 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 10:21:39,198 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-08-05 10:21:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 10:21:39,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 10:21:39,203 INFO L202 PluginConnector]: Adding new model linear_search.i_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:21:39 BoogieIcfgContainer [2019-08-05 10:21:39,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:21:39,206 INFO L168 Benchmark]: Toolchain (without parser) took 39154.25 ms. Allocated memory was 141.0 MB in the beginning and 176.7 MB in the end (delta: 35.7 MB). Free memory was 110.4 MB in the beginning and 125.8 MB in the end (delta: -15.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-08-05 10:21:39,208 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 10:21:39,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.32 ms. Allocated memory is still 141.0 MB. Free memory was 110.2 MB in the beginning and 108.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 10:21:39,211 INFO L168 Benchmark]: Boogie Preprocessor took 43.86 ms. Allocated memory is still 141.0 MB. Free memory was 108.5 MB in the beginning and 107.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:21:39,212 INFO L168 Benchmark]: RCFGBuilder took 338.96 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 94.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-08-05 10:21:39,213 INFO L168 Benchmark]: TraceAbstraction took 38719.68 ms. Allocated memory was 141.0 MB in the beginning and 176.7 MB in the end (delta: 35.7 MB). Free memory was 94.5 MB in the beginning and 125.8 MB in the end (delta: -31.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:21:39,219 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 141.0 MB. Free memory was 111.8 MB in the beginning and 111.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.32 ms. Allocated memory is still 141.0 MB. Free memory was 110.2 MB in the beginning and 108.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.86 ms. Allocated memory is still 141.0 MB. Free memory was 108.5 MB in the beginning and 107.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 338.96 ms. Allocated memory is still 141.0 MB. Free memory was 107.3 MB in the beginning and 94.7 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38719.68 ms. Allocated memory was 141.0 MB in the beginning and 176.7 MB in the end (delta: 35.7 MB). Free memory was 94.5 MB in the beginning and 125.8 MB in the end (delta: -31.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 102]: 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, 6 locations, 1 error locations. SAFE Result, 38.6s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 2 SDslu, 1 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 37.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 37.9s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 4 QuantifiedInterpolants, 628 SizeOfPredicates, 12 NumberOfNonLiveVariables, 172 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...