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/u2b05_broadcast_guards_vars_UNSAFE.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:13:01,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:13:01,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:13:01,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:13:01,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:13:01,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:13:01,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:13:01,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:13:01,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:13:01,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:13:01,414 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:13:01,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:13:01,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:13:01,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:13:01,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:13:01,418 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:13:01,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:13:01,420 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:13:01,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:13:01,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:13:01,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:13:01,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:13:01,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:13:01,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:13:01,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:13:01,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:13:01,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:13:01,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:13:01,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:13:01,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:13:01,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:13:01,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:13:01,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:13:01,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:13:01,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:13:01,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:13:01,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:13:01,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:13:01,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:13:01,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:13:01,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:13:01,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:13:01,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:13:01,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:13:01,484 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:13:01,484 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:13:01,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/PricedTimedAutomata/u2b05_broadcast_guards_vars_UNSAFE.bpl [2019-08-05 10:13:01,485 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/PricedTimedAutomata/u2b05_broadcast_guards_vars_UNSAFE.bpl' [2019-08-05 10:13:01,537 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:13:01,539 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:13:01,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:13:01,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:13:01,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:13:01,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "u2b05_broadcast_guards_vars_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:01" (1/1) ... [2019-08-05 10:13:01,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "u2b05_broadcast_guards_vars_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:01" (1/1) ... [2019-08-05 10:13:01,575 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:13:01,575 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:13:01,576 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:13:01,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:13:01,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:13:01,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:13:01,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:13:01,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "u2b05_broadcast_guards_vars_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:01" (1/1) ... [2019-08-05 10:13:01,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "u2b05_broadcast_guards_vars_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:01" (1/1) ... [2019-08-05 10:13:01,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "u2b05_broadcast_guards_vars_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:01" (1/1) ... [2019-08-05 10:13:01,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "u2b05_broadcast_guards_vars_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:01" (1/1) ... [2019-08-05 10:13:01,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "u2b05_broadcast_guards_vars_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:01" (1/1) ... [2019-08-05 10:13:01,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "u2b05_broadcast_guards_vars_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:01" (1/1) ... [2019-08-05 10:13:01,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "u2b05_broadcast_guards_vars_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:01" (1/1) ... [2019-08-05 10:13:01,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:13:01,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:13:01,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:13:01,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:13:01,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "u2b05_broadcast_guards_vars_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:01" (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 10:13:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure perform_resets [2019-08-05 10:13:01,687 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 10:13:01,687 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 10:13:01,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 10:13:01,688 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_reset_v [2019-08-05 10:13:01,818 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 10:13:02,938 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:13:02,938 INFO L283 CfgBuilder]: Removed 19 assume(true) statements. [2019-08-05 10:13:02,939 INFO L202 PluginConnector]: Adding new model u2b05_broadcast_guards_vars_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:13:02 BoogieIcfgContainer [2019-08-05 10:13:02,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:13:02,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:13:02,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:13:02,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:13:02,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "u2b05_broadcast_guards_vars_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:13:01" (1/2) ... [2019-08-05 10:13:02,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337f12b4 and model type u2b05_broadcast_guards_vars_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:13:02, skipping insertion in model container [2019-08-05 10:13:02,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "u2b05_broadcast_guards_vars_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:13:02" (2/2) ... [2019-08-05 10:13:02,948 INFO L109 eAbstractionObserver]: Analyzing ICFG u2b05_broadcast_guards_vars_UNSAFE.bpl [2019-08-05 10:13:02,958 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:13:02,967 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-08-05 10:13:02,984 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-08-05 10:13:03,010 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:13:03,026 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:13:03,026 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:13:03,026 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:13:03,027 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:13:03,027 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:13:03,027 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:13:03,027 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:13:03,027 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:13:03,043 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-08-05 10:13:03,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 10:13:03,051 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:13:03,052 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 10:13:03,054 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:13:03,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:13:03,060 INFO L82 PathProgramCache]: Analyzing trace with hash 7722, now seen corresponding path program 1 times [2019-08-05 10:13:03,121 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:13:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:13:03,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:13:03,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:13:03,210 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 10:13:03,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:13:03,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 10:13:03,217 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:13:03,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:13:03,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:13:03,234 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2019-08-05 10:13:03,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:13:03,393 INFO L93 Difference]: Finished difference Result 55 states and 101 transitions. [2019-08-05 10:13:03,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:13:03,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 10:13:03,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:13:03,409 INFO L225 Difference]: With dead ends: 55 [2019-08-05 10:13:03,409 INFO L226 Difference]: Without dead ends: 51 [2019-08-05 10:13:03,411 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 10:13:03,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-08-05 10:13:03,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 40. [2019-08-05 10:13:03,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-08-05 10:13:03,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 61 transitions. [2019-08-05 10:13:03,450 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 61 transitions. Word has length 2 [2019-08-05 10:13:03,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:13:03,451 INFO L475 AbstractCegarLoop]: Abstraction has 40 states and 61 transitions. [2019-08-05 10:13:03,451 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:13:03,451 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2019-08-05 10:13:03,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-08-05 10:13:03,452 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:13:03,452 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:13:03,453 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:13:03,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:13:03,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1915356777, now seen corresponding path program 1 times [2019-08-05 10:13:03,459 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:13:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:13:03,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:13:03,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:13:03,540 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 10:13:03,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:13:03,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:13:03,543 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:13:03,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:13:03,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:13:03,544 INFO L87 Difference]: Start difference. First operand 40 states and 61 transitions. Second operand 3 states. [2019-08-05 10:13:03,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:13:03,786 INFO L93 Difference]: Finished difference Result 63 states and 90 transitions. [2019-08-05 10:13:03,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:13:03,787 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-08-05 10:13:03,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:13:03,789 INFO L225 Difference]: With dead ends: 63 [2019-08-05 10:13:03,789 INFO L226 Difference]: Without dead ends: 63 [2019-08-05 10:13:03,792 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 10:13:03,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-08-05 10:13:03,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 60. [2019-08-05 10:13:03,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-08-05 10:13:03,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2019-08-05 10:13:03,806 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 9 [2019-08-05 10:13:03,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:13:03,806 INFO L475 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2019-08-05 10:13:03,807 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:13:03,807 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2019-08-05 10:13:03,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-08-05 10:13:03,808 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:13:03,808 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:13:03,809 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:13:03,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:13:03,809 INFO L82 PathProgramCache]: Analyzing trace with hash 895723758, now seen corresponding path program 1 times [2019-08-05 10:13:03,814 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:13:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:13:03,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:13:03,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:13:03,897 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 10:13:03,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:13:03,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:13:03,899 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:13:03,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:13:03,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:13:03,899 INFO L87 Difference]: Start difference. First operand 60 states and 89 transitions. Second operand 3 states. [2019-08-05 10:13:04,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:13:04,059 INFO L93 Difference]: Finished difference Result 106 states and 147 transitions. [2019-08-05 10:13:04,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:13:04,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-08-05 10:13:04,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:13:04,061 INFO L225 Difference]: With dead ends: 106 [2019-08-05 10:13:04,062 INFO L226 Difference]: Without dead ends: 100 [2019-08-05 10:13:04,062 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 10:13:04,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-08-05 10:13:04,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 95. [2019-08-05 10:13:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-08-05 10:13:04,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2019-08-05 10:13:04,073 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 11 [2019-08-05 10:13:04,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:13:04,073 INFO L475 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2019-08-05 10:13:04,073 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:13:04,073 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2019-08-05 10:13:04,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-08-05 10:13:04,074 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:13:04,074 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:13:04,074 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:13:04,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:13:04,075 INFO L82 PathProgramCache]: Analyzing trace with hash 861204539, now seen corresponding path program 1 times [2019-08-05 10:13:04,079 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:13:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:13:04,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:13:04,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:13:04,120 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 10:13:04,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:13:04,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 10:13:04,121 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:13:04,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:13:04,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:13:04,122 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand 3 states. [2019-08-05 10:13:04,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:13:04,234 INFO L93 Difference]: Finished difference Result 160 states and 219 transitions. [2019-08-05 10:13:04,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:13:04,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-08-05 10:13:04,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:13:04,245 INFO L225 Difference]: With dead ends: 160 [2019-08-05 10:13:04,245 INFO L226 Difference]: Without dead ends: 147 [2019-08-05 10:13:04,246 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 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 10:13:04,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-08-05 10:13:04,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 144. [2019-08-05 10:13:04,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-08-05 10:13:04,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 203 transitions. [2019-08-05 10:13:04,260 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 203 transitions. Word has length 14 [2019-08-05 10:13:04,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:13:04,260 INFO L475 AbstractCegarLoop]: Abstraction has 144 states and 203 transitions. [2019-08-05 10:13:04,261 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:13:04,261 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 203 transitions. [2019-08-05 10:13:04,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-08-05 10:13:04,261 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:13:04,262 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 10:13:04,262 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:13:04,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:13:04,262 INFO L82 PathProgramCache]: Analyzing trace with hash 970606724, now seen corresponding path program 1 times [2019-08-05 10:13:04,266 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:13:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:13:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-08-05 10:13:04,320 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-08-05 10:13:04,339 INFO L202 PluginConnector]: Adding new model u2b05_broadcast_guards_vars_UNSAFE.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:13:04 BoogieIcfgContainer [2019-08-05 10:13:04,340 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:13:04,342 INFO L168 Benchmark]: Toolchain (without parser) took 2802.38 ms. Allocated memory was 140.5 MB in the beginning and 177.2 MB in the end (delta: 36.7 MB). Free memory was 108.5 MB in the beginning and 106.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. [2019-08-05 10:13:04,343 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-05 10:13:04,345 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.11 ms. Allocated memory is still 140.5 MB. Free memory was 108.2 MB in the beginning and 106.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 10:13:04,346 INFO L168 Benchmark]: Boogie Preprocessor took 37.00 ms. Allocated memory is still 140.5 MB. Free memory was 106.3 MB in the beginning and 104.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-05 10:13:04,348 INFO L168 Benchmark]: RCFGBuilder took 1324.06 ms. Allocated memory is still 140.5 MB. Free memory was 104.8 MB in the beginning and 65.6 MB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. [2019-08-05 10:13:04,349 INFO L168 Benchmark]: TraceAbstraction took 1398.49 ms. Allocated memory was 140.5 MB in the beginning and 177.2 MB in the end (delta: 36.7 MB). Free memory was 65.4 MB in the beginning and 106.5 MB in the end (delta: -41.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:13:04,356 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 140.5 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.11 ms. Allocated memory is still 140.5 MB. Free memory was 108.2 MB in the beginning and 106.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.00 ms. Allocated memory is still 140.5 MB. Free memory was 106.3 MB in the beginning and 104.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1324.06 ms. Allocated memory is still 140.5 MB. Free memory was 104.8 MB in the beginning and 65.6 MB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1398.49 ms. Allocated memory was 140.5 MB in the beginning and 177.2 MB in the end (delta: 36.7 MB). Free memory was 65.4 MB in the beginning and 106.5 MB in the end (delta: -41.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 119]: assertion can be violated assertion can be violated We found a FailurePath: [L106-L108] requires v == 0; [L106-L109] requires v$new == v; [L106-L110] requires !v$reset; [L113] sync := sync_none; [L114] loc$A1_1 := id2_1; [L115] loc$A2_1 := id6_1; [L116] loc$A3_1 := id8_1; VAL [v=0, v$new=0, v$reset=false] [L119] assert v != 2; [L120] havoc delay; [L121] assume delay >= 0.0; VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L125] COND FALSE !(loc$A1_1 == id0_1) VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L130] COND FALSE !(loc$A1_1 == id1_1) VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L135] COND TRUE loc$A1_1 == id2_1 VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L142] COND FALSE !(loc$A2_1 == id3_1) VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L147] COND FALSE !(loc$A2_1 == id4_1) VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L152] COND FALSE !(loc$A2_1 == id5_1) VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L157] COND TRUE loc$A2_1 == id6_1 VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L164] COND FALSE !(loc$A3_1 == id7_1) VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L169] COND TRUE loc$A3_1 == id8_1 VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L187] assert v != 2; VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L190] COND TRUE sync == sync_none VAL [delay=0.0, v=0, v$new=0, v$reset=false] [L192] COND TRUE loc$A1_1 == id2_1 [L197] loc$A1_1 := id1_1; [L198] FCALL call schedule_reset_v(1); [L199] sync := sync_broadcast; [L200] sync_channel := chan_a; [L201] sender := A1_1; [L273] COND TRUE sender != A2_1 [L275] COND TRUE loc$A2_1 == id6_1 [L284] assume !(v == 1); [L289] COND TRUE sender != A3_1 [L291] COND TRUE loc$A3_1 == id8_1 [L296] loc$A3_1 := id7_1; [L297] FCALL call schedule_reset_v(v$new + 1); [L305] FCALL call perform_resets(); [L306] sync := sync_none; VAL [delay=0.0, v=2, v$new=2, v$reset=false] [L119] assert v != 2; VAL [delay=0.0, v=2, v$new=2, v$reset=false] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 2 error locations. UNSAFE Result, 1.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 181 SDtfs, 126 SDslu, 130 SDs, 0 SdLazy, 54 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=4, 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, 22 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 702 SizeOfPredicates, 3 NumberOfNonLiveVariables, 110 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...