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/concurrent/concurrentBoogie/fork_join_NotMod.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:52:05,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:52:05,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:52:05,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:52:05,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:52:05,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:52:05,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:52:05,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:52:05,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:52:05,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:52:05,338 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:52:05,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:52:05,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:52:05,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:52:05,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:52:05,350 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:52:05,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:52:05,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:52:05,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:52:05,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:52:05,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:52:05,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:52:05,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:52:05,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:52:05,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:52:05,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:52:05,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:52:05,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:52:05,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:52:05,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:52:05,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:52:05,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:52:05,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:52:05,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:52:05,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:52:05,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:52:05,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:52:05,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:52:05,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:52:05,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:52:05,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:52:05,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:52:05,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:52:05,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:52:05,444 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:52:05,445 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:52:05,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/concurrentBoogie/fork_join_NotMod.bpl [2019-08-05 09:52:05,446 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/concurrentBoogie/fork_join_NotMod.bpl' [2019-08-05 09:52:05,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:52:05,486 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:52:05,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:52:05,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:52:05,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:52:05,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "fork_join_NotMod.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "fork_join_NotMod.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:52:05,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:52:05,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:52:05,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:52:05,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fork_join_NotMod.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fork_join_NotMod.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fork_join_NotMod.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fork_join_NotMod.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fork_join_NotMod.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fork_join_NotMod.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fork_join_NotMod.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/1) ... [2019-08-05 09:52:05,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:52:05,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:52:05,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:52:05,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:52:05,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fork_join_NotMod.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (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 09:52:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure increment [2019-08-05 09:52:05,609 INFO L138 BoogieDeclarations]: Found implementation of procedure increment [2019-08-05 09:52:05,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 09:52:05,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 09:52:05,611 WARN L201 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-08-05 09:52:05,909 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 09:52:05,910 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 09:52:05,911 INFO L202 PluginConnector]: Adding new model fork_join_NotMod.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:52:05 BoogieIcfgContainer [2019-08-05 09:52:05,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:52:05,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:52:05,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:52:05,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:52:05,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_join_NotMod.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:05" (1/2) ... [2019-08-05 09:52:05,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e428fd6 and model type fork_join_NotMod.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:52:05, skipping insertion in model container [2019-08-05 09:52:05,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_join_NotMod.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:52:05" (2/2) ... [2019-08-05 09:52:05,919 INFO L109 eAbstractionObserver]: Analyzing ICFG fork_join_NotMod.bpl [2019-08-05 09:52:05,944 WARN L317 ript$VariableManager]: TermVariabe Thread0_increment_n not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-08-05 09:52:05,945 WARN L317 ript$VariableManager]: TermVariabe Thread0_increment_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-08-05 09:52:05,955 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:52:05,962 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-08-05 09:52:05,977 INFO L252 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-08-05 09:52:06,002 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:52:06,003 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:52:06,003 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:52:06,003 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:52:06,004 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:52:06,004 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:52:06,004 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:52:06,004 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:52:06,004 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:52:06,013 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17places, 15 transitions [2019-08-05 09:52:06,023 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 24 states. [2019-08-05 09:52:06,025 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-08-05 09:52:06,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 09:52:06,032 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:52:06,033 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 09:52:06,036 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 09:52:06,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:52:06,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1538614, now seen corresponding path program 1 times [2019-08-05 09:52:06,089 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:52:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 09:52:06,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2019-08-05 09:52:06,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 09:52:06,208 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 09:52:06,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 09:52:06,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 09:52:06,220 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 09:52:06,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 09:52:06,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 09:52:06,246 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 3 states. [2019-08-05 09:52:06,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 09:52:06,319 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2019-08-05 09:52:06,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 09:52:06,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-08-05 09:52:06,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 09:52:06,339 INFO L225 Difference]: With dead ends: 20 [2019-08-05 09:52:06,339 INFO L226 Difference]: Without dead ends: 18 [2019-08-05 09:52:06,341 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 09:52:06,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-08-05 09:52:06,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-08-05 09:52:06,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-08-05 09:52:06,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2019-08-05 09:52:06,378 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 23 transitions. Word has length 4 [2019-08-05 09:52:06,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 09:52:06,378 INFO L475 AbstractCegarLoop]: Abstraction has 18 states and 23 transitions. [2019-08-05 09:52:06,378 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 09:52:06,379 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2019-08-05 09:52:06,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-08-05 09:52:06,379 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:52:06,379 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-08-05 09:52:06,380 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr3ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 09:52:06,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:52:06,380 INFO L82 PathProgramCache]: Analyzing trace with hash 47697091, now seen corresponding path program 1 times [2019-08-05 09:52:06,381 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:52:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 09:52:06,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjunts are in the unsatisfiable core [2019-08-05 09:52:06,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 09:52:06,402 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 09:52:06,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 09:52:06,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-08-05 09:52:06,405 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 09:52:06,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 09:52:06,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 09:52:06,406 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. Second operand 3 states. [2019-08-05 09:52:06,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 09:52:06,456 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2019-08-05 09:52:06,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 09:52:06,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-08-05 09:52:06,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 09:52:06,457 INFO L225 Difference]: With dead ends: 14 [2019-08-05 09:52:06,457 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 09:52:06,458 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 09:52:06,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 09:52:06,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 09:52:06,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 09:52:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 09:52:06,460 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-08-05 09:52:06,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 09:52:06,461 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 09:52:06,461 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 09:52:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 09:52:06,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 09:52:06,465 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-08-05 09:52:06,467 INFO L202 PluginConnector]: Adding new model fork_join_NotMod.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 09:52:06 BasicIcfg [2019-08-05 09:52:06,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 09:52:06,471 INFO L168 Benchmark]: Toolchain (without parser) took 983.86 ms. Allocated memory is still 131.6 MB. Free memory was 109.1 MB in the beginning and 72.3 MB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:06,471 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory is still 110.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 09:52:06,473 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.40 ms. Allocated memory is still 131.6 MB. Free memory was 109.1 MB in the beginning and 107.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:06,476 INFO L168 Benchmark]: Boogie Preprocessor took 18.78 ms. Allocated memory is still 131.6 MB. Free memory was 107.0 MB in the beginning and 106.1 MB in the end (delta: 900.5 kB). Peak memory consumption was 900.5 kB. Max. memory is 7.1 GB. [2019-08-05 09:52:06,478 INFO L168 Benchmark]: RCFGBuilder took 369.75 ms. Allocated memory is still 131.6 MB. Free memory was 106.1 MB in the beginning and 96.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:06,479 INFO L168 Benchmark]: TraceAbstraction took 554.42 ms. Allocated memory is still 131.6 MB. Free memory was 96.5 MB in the beginning and 72.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:06,486 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 0.25 ms. Allocated memory is still 131.6 MB. Free memory is still 110.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 35.40 ms. Allocated memory is still 131.6 MB. Free memory was 109.1 MB in the beginning and 107.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.78 ms. Allocated memory is still 131.6 MB. Free memory was 107.0 MB in the beginning and 106.1 MB in the end (delta: 900.5 kB). Peak memory consumption was 900.5 kB. Max. memory is 7.1 GB. * RCFGBuilder took 369.75 ms. Allocated memory is still 131.6 MB. Free memory was 106.1 MB in the beginning and 96.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 554.42 ms. Allocated memory is still 131.6 MB. Free memory was 96.5 MB in the beginning and 72.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 24]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 28]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 27]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 25]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 20 locations, 4 error locations. SAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 15 SDslu, 1 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 67 SizeOfPredicates, 0 NumberOfNonLiveVariables, 24 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...