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_sea.ch.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:15:31,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:15:31,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:15:31,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:15:31,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:15:31,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:15:31,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:15:31,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:15:31,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:15:31,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:15:31,283 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:15:31,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:15:31,284 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:15:31,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:15:31,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:15:31,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:15:31,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:15:31,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:15:31,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:15:31,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:15:31,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:15:31,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:15:31,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:15:31,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:15:31,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:15:31,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:15:31,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:15:31,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:15:31,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:15:31,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:15:31,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:15:31,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:15:31,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:15:31,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:15:31,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:15:31,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:15:31,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:15:31,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:15:31,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:15:31,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:15:31,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:15:31,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:15:31,362 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:15:31,367 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:15:31,369 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:15:31,369 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:15:31,370 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl [2019-08-05 10:15:31,371 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl' [2019-08-05 10:15:31,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:15:31,434 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:15:31,435 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:15:31,435 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:15:31,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:15:31,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:15:31" (1/1) ... [2019-08-05 10:15:31,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:15:31" (1/1) ... [2019-08-05 10:15:31,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:15:31,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:15:31,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:15:31,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:15:31,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:15:31" (1/1) ... [2019-08-05 10:15:31,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:15:31" (1/1) ... [2019-08-05 10:15:31,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:15:31" (1/1) ... [2019-08-05 10:15:31,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:15:31" (1/1) ... [2019-08-05 10:15:31,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:15:31" (1/1) ... [2019-08-05 10:15:31,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:15:31" (1/1) ... [2019-08-05 10:15:31,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:15:31" (1/1) ... [2019-08-05 10:15:31,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:15:31,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:15:31,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:15:31,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:15:31,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:15:31" (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 10:15:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 10:15:31,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 10:15:31,887 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 10:15:31,888 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 10:15:31,889 INFO L202 PluginConnector]: Adding new model linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:15:31 BoogieIcfgContainer [2019-08-05 10:15:31,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:15:31,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:15:31,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:15:31,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:15:31,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:15:31" (1/2) ... [2019-08-05 10:15:31,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63550160 and model type linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:15:31, skipping insertion in model container [2019-08-05 10:15:31,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:15:31" (2/2) ... [2019-08-05 10:15:31,898 INFO L109 eAbstractionObserver]: Analyzing ICFG linear_sea.ch.i_4.bpl [2019-08-05 10:15:31,914 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:15:31,924 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:15:31,945 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:15:31,997 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:15:31,998 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:15:31,998 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:15:31,998 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:15:32,001 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:15:32,002 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:15:32,002 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:15:32,002 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:15:32,002 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:15:32,027 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 10:15:32,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:15:32,037 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:15:32,038 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:15:32,041 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:15:32,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:15:32,048 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2019-08-05 10:15:32,100 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:15:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:15:32,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2019-08-05 10:15:32,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:15:32,474 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2019-08-05 10:15:32,481 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:15:32,567 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 10:15:32,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:15:32,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:15:32,573 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:15:32,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:15:32,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:15:32,590 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-08-05 10:15:32,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:15:32,765 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2019-08-05 10:15:32,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:15:32,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-05 10:15:32,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:15:32,776 INFO L225 Difference]: With dead ends: 7 [2019-08-05 10:15:32,776 INFO L226 Difference]: Without dead ends: 7 [2019-08-05 10:15:32,778 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:15:32,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-08-05 10:15:32,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-08-05 10:15:32,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-05 10:15:32,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-08-05 10:15:32,822 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-08-05 10:15:32,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:15:32,822 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-08-05 10:15:32,823 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:15:32,823 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-08-05 10:15:32,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 10:15:32,823 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:15:32,824 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-08-05 10:15:32,824 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:15:32,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:15:32,825 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2019-08-05 10:15:32,826 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:15:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:15:32,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2019-08-05 10:15:32,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:15:33,128 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 13 [2019-08-05 10:15:33,307 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 18 [2019-08-05 10:15:33,312 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:15:33,363 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 10:15:33,363 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:15:33,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-08-05 10:15:33,365 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-08-05 10:15:33,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-08-05 10:15:33,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:15:33,366 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 5 states. [2019-08-05 10:15:33,609 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 17 [2019-08-05 10:15:33,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:15:33,624 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2019-08-05 10:15:33,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:15:33,624 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-08-05 10:15:33,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:15:33,625 INFO L225 Difference]: With dead ends: 5 [2019-08-05 10:15:33,625 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 10:15:33,626 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-08-05 10:15:33,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 10:15:33,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 10:15:33,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 10:15:33,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 10:15:33,627 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-08-05 10:15:33,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:15:33,628 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 10:15:33,628 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-08-05 10:15:33,628 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 10:15:33,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 10:15:33,639 INFO L202 PluginConnector]: Adding new model linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:15:33 BoogieIcfgContainer [2019-08-05 10:15:33,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:15:33,643 INFO L168 Benchmark]: Toolchain (without parser) took 2208.43 ms. Allocated memory was 140.5 MB in the beginning and 177.7 MB in the end (delta: 37.2 MB). Free memory was 108.6 MB in the beginning and 124.8 MB in the end (delta: -16.2 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:15:33,649 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.71 ms. Allocated memory is still 140.5 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 10:15:33,651 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.74 ms. Allocated memory is still 140.5 MB. Free memory was 108.4 MB in the beginning and 106.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 10:15:33,653 INFO L168 Benchmark]: Boogie Preprocessor took 40.67 ms. Allocated memory is still 140.5 MB. Free memory was 106.8 MB in the beginning and 105.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:15:33,655 INFO L168 Benchmark]: RCFGBuilder took 370.66 ms. Allocated memory is still 140.5 MB. Free memory was 105.6 MB in the beginning and 93.0 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-08-05 10:15:33,657 INFO L168 Benchmark]: TraceAbstraction took 1749.40 ms. Allocated memory was 140.5 MB in the beginning and 177.7 MB in the end (delta: 37.2 MB). Free memory was 92.6 MB in the beginning and 124.8 MB in the end (delta: -32.2 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-05 10:15:33,665 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 0.71 ms. Allocated memory is still 140.5 MB. Free memory was 110.1 MB in the beginning and 109.9 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 42.74 ms. Allocated memory is still 140.5 MB. Free memory was 108.4 MB in the beginning and 106.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.67 ms. Allocated memory is still 140.5 MB. Free memory was 106.8 MB in the beginning and 105.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 370.66 ms. Allocated memory is still 140.5 MB. Free memory was 105.6 MB in the beginning and 93.0 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1749.40 ms. Allocated memory was 140.5 MB in the beginning and 177.7 MB in the end (delta: 37.2 MB). Free memory was 92.6 MB in the beginning and 124.8 MB in the end (delta: -32.2 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 101]: 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, 1.6s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 3 SDslu, 2 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s 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, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 2 QuantifiedInterpolants, 618 SizeOfPredicates, 11 NumberOfNonLiveVariables, 171 ConjunctsInSsa, 18 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...