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/random/RanFile045.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:03:03,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:03:03,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:03:03,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:03:03,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:03:03,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:03:03,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:03:03,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:03:03,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:03:03,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:03:03,565 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:03:03,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:03:03,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:03:03,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:03:03,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:03:03,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:03:03,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:03:03,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:03:03,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:03:03,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:03:03,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:03:03,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:03:03,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:03:03,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:03:03,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:03:03,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:03:03,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:03:03,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:03:03,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:03:03,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:03:03,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:03:03,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:03:03,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:03:03,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:03:03,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:03:03,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:03:03,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:03:03,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:03:03,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:03:03,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:03:03,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:03:03,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:03:03,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:03:03,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:03:03,636 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:03:03,637 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:03:03,638 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/random/RanFile045.bpl [2019-08-05 10:03:03,638 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/random/RanFile045.bpl' [2019-08-05 10:03:03,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:03:03,676 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:03:03,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:03:03,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:03:03,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:03:03,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "RanFile045.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:03" (1/1) ... [2019-08-05 10:03:03,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "RanFile045.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:03" (1/1) ... [2019-08-05 10:03:03,709 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:03:03,709 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:03:03,709 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:03:03,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:03:03,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:03:03,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:03:03,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:03:03,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RanFile045.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:03" (1/1) ... [2019-08-05 10:03:03,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RanFile045.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:03" (1/1) ... [2019-08-05 10:03:03,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RanFile045.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:03" (1/1) ... [2019-08-05 10:03:03,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RanFile045.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:03" (1/1) ... [2019-08-05 10:03:03,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RanFile045.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:03" (1/1) ... [2019-08-05 10:03:03,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RanFile045.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:03" (1/1) ... [2019-08-05 10:03:03,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RanFile045.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:03" (1/1) ... [2019-08-05 10:03:03,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:03:03,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:03:03,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:03:03,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:03:03,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RanFile045.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:03" (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 10:03:03,816 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 10:03:03,816 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 10:03:03,816 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 10:03:04,366 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:03:04,366 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 10:03:04,367 INFO L202 PluginConnector]: Adding new model RanFile045.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:03:04 BoogieIcfgContainer [2019-08-05 10:03:04,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:03:04,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:03:04,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:03:04,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:03:04,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "RanFile045.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:03:03" (1/2) ... [2019-08-05 10:03:04,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9ad7c2 and model type RanFile045.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:03:04, skipping insertion in model container [2019-08-05 10:03:04,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "RanFile045.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:03:04" (2/2) ... [2019-08-05 10:03:04,376 INFO L109 eAbstractionObserver]: Analyzing ICFG RanFile045.bpl [2019-08-05 10:03:04,385 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:03:04,393 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-08-05 10:03:04,409 INFO L252 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-08-05 10:03:04,436 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:03:04,436 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:03:04,437 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:03:04,437 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:03:04,437 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:03:04,437 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:03:04,437 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:03:04,437 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:03:04,438 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:03:04,454 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-08-05 10:03:04,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-08-05 10:03:04,462 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:03:04,463 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:03:04,465 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:03:04,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:03:04,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1411302814, now seen corresponding path program 1 times [2019-08-05 10:03:04,522 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:03:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:03:04,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2019-08-05 10:03:04,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:03:04,861 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 10:03:04,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:03:04,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-08-05 10:03:04,869 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-08-05 10:03:04,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-08-05 10:03:04,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-08-05 10:03:04,888 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 7 states. [2019-08-05 10:03:05,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:03:05,339 INFO L93 Difference]: Finished difference Result 21 states and 32 transitions. [2019-08-05 10:03:05,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-08-05 10:03:05,341 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-08-05 10:03:05,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:03:05,352 INFO L225 Difference]: With dead ends: 21 [2019-08-05 10:03:05,353 INFO L226 Difference]: Without dead ends: 18 [2019-08-05 10:03:05,355 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-08-05 10:03:05,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-08-05 10:03:05,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-08-05 10:03:05,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-08-05 10:03:05,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 27 transitions. [2019-08-05 10:03:05,389 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 27 transitions. Word has length 11 [2019-08-05 10:03:05,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:03:05,389 INFO L475 AbstractCegarLoop]: Abstraction has 18 states and 27 transitions. [2019-08-05 10:03:05,389 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-08-05 10:03:05,390 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2019-08-05 10:03:05,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-08-05 10:03:05,390 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:03:05,390 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:03:05,391 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:03:05,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:03:05,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1810307206, now seen corresponding path program 1 times [2019-08-05 10:03:05,392 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:03:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:03:05,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjunts are in the unsatisfiable core [2019-08-05 10:03:05,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:03:05,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:03:05,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:03:05,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-08-05 10:03:05,792 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-08-05 10:03:05,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-08-05 10:03:05,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-08-05 10:03:05,793 INFO L87 Difference]: Start difference. First operand 18 states and 27 transitions. Second operand 7 states. [2019-08-05 10:03:07,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:03:07,292 INFO L93 Difference]: Finished difference Result 21 states and 32 transitions. [2019-08-05 10:03:07,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-08-05 10:03:07,293 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2019-08-05 10:03:07,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:03:07,294 INFO L225 Difference]: With dead ends: 21 [2019-08-05 10:03:07,295 INFO L226 Difference]: Without dead ends: 19 [2019-08-05 10:03:07,296 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-08-05 10:03:07,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-08-05 10:03:07,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2019-08-05 10:03:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-08-05 10:03:07,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2019-08-05 10:03:07,300 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 25 transitions. Word has length 12 [2019-08-05 10:03:07,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:03:07,301 INFO L475 AbstractCegarLoop]: Abstraction has 17 states and 25 transitions. [2019-08-05 10:03:07,301 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-08-05 10:03:07,301 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2019-08-05 10:03:07,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-08-05 10:03:07,302 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:03:07,302 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:03:07,303 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr2ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:03:07,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:03:07,303 INFO L82 PathProgramCache]: Analyzing trace with hash -802745795, now seen corresponding path program 1 times [2019-08-05 10:03:07,304 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:03:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:03:07,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:03:07,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:03:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-08-05 10:03:07,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:03:07,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:03:07,376 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:03:07,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:03:07,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:03:07,378 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. Second operand 3 states. [2019-08-05 10:03:07,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:03:07,518 INFO L93 Difference]: Finished difference Result 9 states and 15 transitions. [2019-08-05 10:03:07,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:03:07,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-08-05 10:03:07,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:03:07,519 INFO L225 Difference]: With dead ends: 9 [2019-08-05 10:03:07,519 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 10:03:07,519 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:03:07,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 10:03:07,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 10:03:07,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 10:03:07,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 10:03:07,520 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-08-05 10:03:07,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:03:07,520 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 10:03:07,521 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:03:07,521 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 10:03:07,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 10:03:07,525 INFO L202 PluginConnector]: Adding new model RanFile045.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:03:07 BoogieIcfgContainer [2019-08-05 10:03:07,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:03:07,528 INFO L168 Benchmark]: Toolchain (without parser) took 3850.62 ms. Allocated memory was 134.2 MB in the beginning and 170.4 MB in the end (delta: 36.2 MB). Free memory was 111.7 MB in the beginning and 112.3 MB in the end (delta: -544.6 kB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB. [2019-08-05 10:03:07,529 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory is still 112.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:03:07,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.64 ms. Allocated memory is still 134.2 MB. Free memory was 111.3 MB in the beginning and 109.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:03:07,531 INFO L168 Benchmark]: Boogie Preprocessor took 26.21 ms. Allocated memory is still 134.2 MB. Free memory was 109.6 MB in the beginning and 108.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:03:07,532 INFO L168 Benchmark]: RCFGBuilder took 628.63 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 93.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:03:07,534 INFO L168 Benchmark]: TraceAbstraction took 3156.29 ms. Allocated memory was 134.2 MB in the beginning and 170.4 MB in the end (delta: 36.2 MB). Free memory was 92.7 MB in the beginning and 112.3 MB in the end (delta: -19.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-05 10:03:07,538 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 134.2 MB. Free memory is still 112.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.64 ms. Allocated memory is still 134.2 MB. Free memory was 111.3 MB in the beginning and 109.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.21 ms. Allocated memory is still 134.2 MB. Free memory was 109.6 MB in the beginning and 108.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 628.63 ms. Allocated memory is still 134.2 MB. Free memory was 108.3 MB in the beginning and 93.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3156.29 ms. Allocated memory was 134.2 MB in the beginning and 170.4 MB in the end (delta: 36.2 MB). Free memory was 92.7 MB in the beginning and 112.3 MB in the end (delta: -19.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 49]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 47]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 3 error locations. SAFE Result, 3.1s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44 SDtfs, 23 SDslu, 39 SDs, 0 SdLazy, 155 SolverSat, 4 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 3 QuantifiedInterpolants, 2008 SizeOfPredicates, 6 NumberOfNonLiveVariables, 79 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...