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/real-life/PricedTimedAutomata/u2b03_simple_broadcast_UNSAFE.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:12:58,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:12:58,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:12:58,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:12:58,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:12:58,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:12:58,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:12:58,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:12:58,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:12:58,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:12:58,597 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:12:58,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:12:58,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:12:58,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:12:58,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:12:58,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:12:58,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:12:58,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:12:58,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:12:58,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:12:58,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:12:58,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:12:58,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:12:58,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:12:58,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:12:58,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:12:58,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:12:58,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:12:58,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:12:58,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:12:58,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:12:58,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:12:58,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:12:58,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:12:58,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:12:58,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:12:58,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:12:58,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:12:58,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:12:58,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:12:58,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:12:58,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:12:58,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:12:58,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:12:58,669 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:12:58,669 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:12:58,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/PricedTimedAutomata/u2b03_simple_broadcast_UNSAFE.bpl [2019-08-05 10:12:58,670 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/PricedTimedAutomata/u2b03_simple_broadcast_UNSAFE.bpl' [2019-08-05 10:12:58,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:12:58,723 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:12:58,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:12:58,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:12:58,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:12:58,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "u2b03_simple_broadcast_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:12:58" (1/1) ... [2019-08-05 10:12:58,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "u2b03_simple_broadcast_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:12:58" (1/1) ... [2019-08-05 10:12:58,762 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:12:58,762 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:12:58,762 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:12:58,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:12:58,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:12:58,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:12:58,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:12:58,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "u2b03_simple_broadcast_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:12:58" (1/1) ... [2019-08-05 10:12:58,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "u2b03_simple_broadcast_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:12:58" (1/1) ... [2019-08-05 10:12:58,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "u2b03_simple_broadcast_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:12:58" (1/1) ... [2019-08-05 10:12:58,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "u2b03_simple_broadcast_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:12:58" (1/1) ... [2019-08-05 10:12:58,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "u2b03_simple_broadcast_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:12:58" (1/1) ... [2019-08-05 10:12:58,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "u2b03_simple_broadcast_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:12:58" (1/1) ... [2019-08-05 10:12:58,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "u2b03_simple_broadcast_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:12:58" (1/1) ... [2019-08-05 10:12:58,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:12:58,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:12:58,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:12:58,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:12:58,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "u2b03_simple_broadcast_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:12:58" (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 10:12:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure perform_resets [2019-08-05 10:12:58,892 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 10:12:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 10:12:58,893 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 10:12:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_reset_v [2019-08-05 10:12:59,011 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 10:12:59,864 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:12:59,864 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-08-05 10:12:59,866 INFO L202 PluginConnector]: Adding new model u2b03_simple_broadcast_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:12:59 BoogieIcfgContainer [2019-08-05 10:12:59,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:12:59,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:12:59,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:12:59,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:12:59,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "u2b03_simple_broadcast_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:12:58" (1/2) ... [2019-08-05 10:12:59,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1d7b6f and model type u2b03_simple_broadcast_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:12:59, skipping insertion in model container [2019-08-05 10:12:59,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "u2b03_simple_broadcast_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:12:59" (2/2) ... [2019-08-05 10:12:59,878 INFO L109 eAbstractionObserver]: Analyzing ICFG u2b03_simple_broadcast_UNSAFE.bpl [2019-08-05 10:12:59,888 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:12:59,899 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-08-05 10:12:59,916 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-08-05 10:12:59,941 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:12:59,942 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:12:59,943 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:12:59,943 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:12:59,943 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:12:59,943 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:12:59,943 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:12:59,944 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:12:59,944 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:12:59,959 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-08-05 10:12:59,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 10:12:59,967 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:12:59,968 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 10:12:59,970 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:12:59,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:12:59,977 INFO L82 PathProgramCache]: Analyzing trace with hash 4777, now seen corresponding path program 1 times [2019-08-05 10:13:00,029 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:13:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:13:00,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:13:00,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:13:00,130 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 10:13:00,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:13:00,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 10:13:00,138 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:13:00,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:13:00,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:13:00,151 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2019-08-05 10:13:00,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:13:00,271 INFO L93 Difference]: Finished difference Result 27 states and 41 transitions. [2019-08-05 10:13:00,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:13:00,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 10:13:00,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:13:00,301 INFO L225 Difference]: With dead ends: 27 [2019-08-05 10:13:00,301 INFO L226 Difference]: Without dead ends: 23 [2019-08-05 10:13:00,303 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 10:13:00,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-08-05 10:13:00,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2019-08-05 10:13:00,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-08-05 10:13:00,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2019-08-05 10:13:00,338 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 27 transitions. Word has length 2 [2019-08-05 10:13:00,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:13:00,339 INFO L475 AbstractCegarLoop]: Abstraction has 21 states and 27 transitions. [2019-08-05 10:13:00,339 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:13:00,339 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2019-08-05 10:13:00,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-08-05 10:13:00,340 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:13:00,340 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:13:00,340 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:13:00,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:13:00,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1667068421, now seen corresponding path program 1 times [2019-08-05 10:13:00,344 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:13:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:13:00,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:13:00,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:13:00,399 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 10:13:00,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:13:00,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:13:00,401 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:13:00,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:13:00,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:13:00,402 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. Second operand 3 states. [2019-08-05 10:13:00,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:13:00,430 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2019-08-05 10:13:00,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:13:00,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-08-05 10:13:00,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:13:00,432 INFO L225 Difference]: With dead ends: 29 [2019-08-05 10:13:00,432 INFO L226 Difference]: Without dead ends: 29 [2019-08-05 10:13:00,433 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 1 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 10:13:00,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-08-05 10:13:00,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 21. [2019-08-05 10:13:00,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-08-05 10:13:00,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2019-08-05 10:13:00,439 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 9 [2019-08-05 10:13:00,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:13:00,440 INFO L475 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2019-08-05 10:13:00,440 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:13:00,440 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2019-08-05 10:13:00,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-08-05 10:13:00,441 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:13:00,441 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:13:00,441 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:13:00,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:13:00,441 INFO L82 PathProgramCache]: Analyzing trace with hash -2024309579, now seen corresponding path program 1 times [2019-08-05 10:13:00,444 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:13:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:13:00,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:13:00,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:13:00,492 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 10:13:00,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:13:00,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:13:00,493 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:13:00,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:13:00,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:13:00,494 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand 3 states. [2019-08-05 10:13:00,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:13:00,561 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2019-08-05 10:13:00,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:13:00,561 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-08-05 10:13:00,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:13:00,563 INFO L225 Difference]: With dead ends: 27 [2019-08-05 10:13:00,563 INFO L226 Difference]: Without dead ends: 27 [2019-08-05 10:13:00,563 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 1 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 10:13:00,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-08-05 10:13:00,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2019-08-05 10:13:00,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-08-05 10:13:00,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-08-05 10:13:00,568 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 10 [2019-08-05 10:13:00,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:13:00,568 INFO L475 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-08-05 10:13:00,568 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:13:00,568 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-08-05 10:13:00,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-08-05 10:13:00,569 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:13:00,569 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:13:00,569 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:13:00,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:13:00,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1030323350, now seen corresponding path program 1 times [2019-08-05 10:13:00,572 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:13:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:13:00,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:13:00,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:13:00,647 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 10:13:00,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:13:00,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:13:00,649 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:13:00,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:13:00,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:13:00,649 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 3 states. [2019-08-05 10:13:00,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:13:00,673 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2019-08-05 10:13:00,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:13:00,675 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-08-05 10:13:00,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:13:00,676 INFO L225 Difference]: With dead ends: 25 [2019-08-05 10:13:00,676 INFO L226 Difference]: Without dead ends: 25 [2019-08-05 10:13:00,677 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 1 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 10:13:00,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-08-05 10:13:00,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 21. [2019-08-05 10:13:00,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-08-05 10:13:00,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2019-08-05 10:13:00,680 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 11 [2019-08-05 10:13:00,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:13:00,680 INFO L475 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2019-08-05 10:13:00,681 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:13:00,681 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2019-08-05 10:13:00,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-08-05 10:13:00,681 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:13:00,681 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:13:00,682 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:13:00,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:13:00,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1822877872, now seen corresponding path program 1 times [2019-08-05 10:13:00,685 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:13:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:13:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:13:00,733 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 10:13:00,755 INFO L202 PluginConnector]: Adding new model u2b03_simple_broadcast_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:13:00 BoogieIcfgContainer [2019-08-05 10:13:00,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:13:00,759 INFO L168 Benchmark]: Toolchain (without parser) took 2034.58 ms. Allocated memory was 133.7 MB in the beginning and 170.4 MB in the end (delta: 36.7 MB). Free memory was 108.6 MB in the beginning and 125.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2019-08-05 10:13:00,760 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 109.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 10:13:00,761 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.78 ms. Allocated memory is still 133.7 MB. Free memory was 108.4 MB in the beginning and 106.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 10:13:00,762 INFO L168 Benchmark]: Boogie Preprocessor took 51.15 ms. Allocated memory is still 133.7 MB. Free memory was 106.5 MB in the beginning and 105.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 10:13:00,763 INFO L168 Benchmark]: RCFGBuilder took 1050.59 ms. Allocated memory is still 133.7 MB. Free memory was 105.1 MB in the beginning and 77.0 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:13:00,764 INFO L168 Benchmark]: TraceAbstraction took 886.95 ms. Allocated memory was 133.7 MB in the beginning and 170.4 MB in the end (delta: 36.7 MB). Free memory was 76.8 MB in the beginning and 125.6 MB in the end (delta: -48.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:13:00,768 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 0.22 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 109.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.78 ms. Allocated memory is still 133.7 MB. Free memory was 108.4 MB in the beginning and 106.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.15 ms. Allocated memory is still 133.7 MB. Free memory was 106.5 MB in the beginning and 105.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1050.59 ms. Allocated memory is still 133.7 MB. Free memory was 105.1 MB in the beginning and 77.0 MB in the end (delta: 28.1 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 886.95 ms. Allocated memory was 133.7 MB in the beginning and 170.4 MB in the end (delta: 36.7 MB). Free memory was 76.8 MB in the beginning and 125.6 MB in the end (delta: -48.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 88]: assertion can be violated assertion can be violated We found a FailurePath: [L75-L77] requires v == 0; [L75-L78] requires v$new == v; [L75-L79] requires !v$reset; [L82] sync := sync_none; [L83] loc$A1_1 := id1_1; [L84] loc$A2_1 := id3_1; [L85] loc$A3_1 := id5_1; VAL [v=0, v$new=0, v$reset=false] [L88] assert v != 3; [L89] havoc delay; [L90] assume delay >= 0.0; VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L94] COND FALSE !(loc$A1_1 == id0_1) VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L99] COND TRUE loc$A1_1 == id1_1 VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L106] COND FALSE !(loc$A2_1 == id2_1) VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L111] COND TRUE loc$A2_1 == id3_1 VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L118] COND FALSE !(loc$A3_1 == id4_1) VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L123] COND TRUE loc$A3_1 == id5_1 VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L131] assert v != 3; VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L134] COND TRUE sync == sync_none VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L136] COND TRUE loc$A1_1 == id1_1 [L141] loc$A1_1 := id0_1; [L142] FCALL call schedule_reset_v(1); [L143] sync := sync_broadcast; [L144] sync_channel := chan_a; [L145] sender := A1_1; [L173] COND TRUE sender != A2_1 [L175] COND TRUE loc$A2_1 == id3_1 [L180] loc$A2_1 := id2_1; [L181] FCALL call schedule_reset_v(2); [L189] COND TRUE sender != A3_1 [L191] COND TRUE loc$A3_1 == id5_1 [L196] loc$A3_1 := id4_1; [L197] FCALL call schedule_reset_v(3); [L205] FCALL call perform_resets(); [L206] sync := sync_none; VAL [delay=0.0, v=3, v$new=3, v$reset=false] [L88] assert v != 3; VAL [delay=0.0, v=3, v$new=3, v$reset=false] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 2 error locations. UNSAFE Result, 0.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 61 SDtfs, 42 SDslu, 49 SDs, 0 SdLazy, 26 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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, 4 MinimizatonAttempts, 20 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 472 SizeOfPredicates, 3 NumberOfNonLiveVariables, 106 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...