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/jain_4.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:16:33,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:16:33,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:16:33,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:16:33,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:16:33,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:16:33,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:16:33,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:16:33,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:16:33,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:16:33,514 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:16:33,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:16:33,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:16:33,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:16:33,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:16:33,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:16:33,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:16:33,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:16:33,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:16:33,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:16:33,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:16:33,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:16:33,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:16:33,541 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:16:33,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:16:33,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:16:33,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:16:33,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:16:33,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:16:33,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:16:33,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:16:33,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:16:33,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:16:33,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:16:33,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:16:33,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:16:33,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:16:33,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:16:33,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:16:33,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:16:33,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:16:33,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:16:33,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:16:33,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:16:33,603 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:16:33,603 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:16:33,604 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_4.i_2.bpl [2019-08-05 10:16:33,604 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_4.i_2.bpl' [2019-08-05 10:16:33,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:16:33,639 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:16:33,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:16:33,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:16:33,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:16:33,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "jain_4.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:33" (1/1) ... [2019-08-05 10:16:33,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "jain_4.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:33" (1/1) ... [2019-08-05 10:16:33,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:16:33,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:16:33,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:16:33,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:16:33,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "jain_4.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:33" (1/1) ... [2019-08-05 10:16:33,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "jain_4.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:33" (1/1) ... [2019-08-05 10:16:33,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "jain_4.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:33" (1/1) ... [2019-08-05 10:16:33,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "jain_4.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:33" (1/1) ... [2019-08-05 10:16:33,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "jain_4.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:33" (1/1) ... [2019-08-05 10:16:33,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "jain_4.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:33" (1/1) ... [2019-08-05 10:16:33,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "jain_4.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:33" (1/1) ... [2019-08-05 10:16:33,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:16:33,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:16:33,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:16:33,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:16:33,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "jain_4.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:33" (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 10:16:33,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 10:16:33,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 10:16:33,993 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 10:16:33,994 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 10:16:33,995 INFO L202 PluginConnector]: Adding new model jain_4.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:16:33 BoogieIcfgContainer [2019-08-05 10:16:33,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:16:33,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:16:33,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:16:34,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:16:34,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jain_4.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:16:33" (1/2) ... [2019-08-05 10:16:34,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368c2cf2 and model type jain_4.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:16:34, skipping insertion in model container [2019-08-05 10:16:34,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jain_4.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:16:33" (2/2) ... [2019-08-05 10:16:34,004 INFO L109 eAbstractionObserver]: Analyzing ICFG jain_4.i_2.bpl [2019-08-05 10:16:34,014 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:16:34,021 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:16:34,039 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:16:34,066 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:16:34,067 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:16:34,067 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:16:34,067 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:16:34,067 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:16:34,067 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:16:34,067 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:16:34,068 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:16:34,068 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:16:34,083 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 10:16:34,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:16:34,101 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:16:34,102 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:16:34,105 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:16:34,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:16:34,114 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2019-08-05 10:16:34,163 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:16:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:16:34,225 WARN L254 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 16 conjunts are in the unsatisfiable core [2019-08-05 10:16:34,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:16:34,362 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:16:34,453 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 10:16:34,456 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:16:34,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:16:34,461 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:16:34,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:16:34,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:16:34,480 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2019-08-05 10:16:34,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:16:34,549 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2019-08-05 10:16:34,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:16:34,552 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-05 10:16:34,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:16:34,562 INFO L225 Difference]: With dead ends: 8 [2019-08-05 10:16:34,563 INFO L226 Difference]: Without dead ends: 8 [2019-08-05 10:16:34,565 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:16:34,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-08-05 10:16:34,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-08-05 10:16:34,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-08-05 10:16:34,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-08-05 10:16:34,595 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2019-08-05 10:16:34,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:16:34,595 INFO L475 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2019-08-05 10:16:34,596 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:16:34,596 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-08-05 10:16:34,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-08-05 10:16:34,596 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:16:34,597 INFO L399 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-08-05 10:16:34,597 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:16:34,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:16:34,598 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, now seen corresponding path program 1 times [2019-08-05 10:16:34,599 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:16:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:16:34,645 WARN L254 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 22 conjunts are in the unsatisfiable core [2019-08-05 10:16:34,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:16:34,889 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:16:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:16:34,961 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:16:34,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2019-08-05 10:16:34,963 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-08-05 10:16:34,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-08-05 10:16:34,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:16:34,964 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 5 states. [2019-08-05 10:16:35,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:16:35,425 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2019-08-05 10:16:35,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 10:16:35,426 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-08-05 10:16:35,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:16:35,427 INFO L225 Difference]: With dead ends: 10 [2019-08-05 10:16:35,427 INFO L226 Difference]: Without dead ends: 10 [2019-08-05 10:16:35,428 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-08-05 10:16:35,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-08-05 10:16:35,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2019-08-05 10:16:35,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-08-05 10:16:35,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-08-05 10:16:35,432 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2019-08-05 10:16:35,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:16:35,432 INFO L475 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-08-05 10:16:35,432 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-08-05 10:16:35,432 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-08-05 10:16:35,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-08-05 10:16:35,433 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:16:35,433 INFO L399 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2019-08-05 10:16:35,433 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:16:35,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:16:35,434 INFO L82 PathProgramCache]: Analyzing trace with hash 141355773, now seen corresponding path program 2 times [2019-08-05 10:16:35,435 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:16:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:16:35,488 WARN L254 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 28 conjunts are in the unsatisfiable core [2019-08-05 10:16:35,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:16:37,145 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:16:37,278 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:16:37,278 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 10:16:37,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2019-08-05 10:16:37,279 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-08-05 10:16:37,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-08-05 10:16:37,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=17, Unknown=1, NotChecked=0, Total=30 [2019-08-05 10:16:37,280 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2019-08-05 10:16:37,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:16:37,476 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2019-08-05 10:16:37,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 10:16:37,477 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2019-08-05 10:16:37,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:16:37,477 INFO L225 Difference]: With dead ends: 7 [2019-08-05 10:16:37,477 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 10:16:37,478 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2019-08-05 10:16:37,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 10:16:37,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 10:16:37,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 10:16:37,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 10:16:37,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-08-05 10:16:37,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:16:37,480 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 10:16:37,480 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-08-05 10:16:37,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 10:16:37,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 10:16:37,486 INFO L202 PluginConnector]: Adding new model jain_4.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:16:37 BoogieIcfgContainer [2019-08-05 10:16:37,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:16:37,489 INFO L168 Benchmark]: Toolchain (without parser) took 3848.82 ms. Allocated memory was 141.6 MB in the beginning and 176.7 MB in the end (delta: 35.1 MB). Free memory was 111.1 MB in the beginning and 115.2 MB in the end (delta: -4.1 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. [2019-08-05 10:16:37,490 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory is still 112.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:16:37,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.15 ms. Allocated memory is still 141.6 MB. Free memory was 110.7 MB in the beginning and 109.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:16:37,493 INFO L168 Benchmark]: Boogie Preprocessor took 18.98 ms. Allocated memory is still 141.6 MB. Free memory was 109.4 MB in the beginning and 108.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:16:37,494 INFO L168 Benchmark]: RCFGBuilder took 303.93 ms. Allocated memory is still 141.6 MB. Free memory was 108.2 MB in the beginning and 98.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 10:16:37,495 INFO L168 Benchmark]: TraceAbstraction took 3489.53 ms. Allocated memory was 141.6 MB in the beginning and 176.7 MB in the end (delta: 35.1 MB). Free memory was 98.3 MB in the beginning and 115.2 MB in the end (delta: -16.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2019-08-05 10:16:37,500 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory is still 112.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 32.15 ms. Allocated memory is still 141.6 MB. Free memory was 110.7 MB in the beginning and 109.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.98 ms. Allocated memory is still 141.6 MB. Free memory was 109.4 MB in the beginning and 108.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 303.93 ms. Allocated memory is still 141.6 MB. Free memory was 108.2 MB in the beginning and 98.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3489.53 ms. Allocated memory was 141.6 MB in the beginning and 176.7 MB in the end (delta: 35.1 MB). Free memory was 98.3 MB in the beginning and 115.2 MB in the end (delta: -16.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: 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, 3.4s OverallTime, 3 OverallIterations, 3 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 4 SDslu, 11 SDs, 0 SdLazy, 24 SolverSat, 3 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=2, 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 6 QuantifiedInterpolants, 1100 SizeOfPredicates, 15 NumberOfNonLiveVariables, 96 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/8 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...