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/ThreadIdTest-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 09:52:10,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 09:52:10,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 09:52:10,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 09:52:10,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 09:52:10,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 09:52:10,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 09:52:11,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 09:52:11,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 09:52:11,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 09:52:11,003 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 09:52:11,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 09:52:11,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 09:52:11,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 09:52:11,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 09:52:11,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 09:52:11,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 09:52:11,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 09:52:11,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 09:52:11,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 09:52:11,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 09:52:11,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 09:52:11,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 09:52:11,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 09:52:11,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 09:52:11,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 09:52:11,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 09:52:11,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 09:52:11,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 09:52:11,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 09:52:11,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 09:52:11,026 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 09:52:11,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 09:52:11,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 09:52:11,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 09:52:11,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 09:52:11,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 09:52:11,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 09:52:11,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 09:52:11,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 09:52:11,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 09:52:11,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 09:52:11,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 09:52:11,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 09:52:11,092 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 09:52:11,093 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 09:52:11,093 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/concurrentBoogie/ThreadIdTest-Safe.bpl [2019-08-05 09:52:11,094 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/concurrentBoogie/ThreadIdTest-Safe.bpl' [2019-08-05 09:52:11,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 09:52:11,126 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 09:52:11,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 09:52:11,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 09:52:11,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 09:52:11,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ThreadIdTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:11" (1/1) ... [2019-08-05 09:52:11,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ThreadIdTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:11" (1/1) ... [2019-08-05 09:52:11,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 09:52:11,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 09:52:11,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 09:52:11,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 09:52:11,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ThreadIdTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:11" (1/1) ... [2019-08-05 09:52:11,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ThreadIdTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:11" (1/1) ... [2019-08-05 09:52:11,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ThreadIdTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:11" (1/1) ... [2019-08-05 09:52:11,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ThreadIdTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:11" (1/1) ... [2019-08-05 09:52:11,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ThreadIdTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:11" (1/1) ... [2019-08-05 09:52:11,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ThreadIdTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:11" (1/1) ... [2019-08-05 09:52:11,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ThreadIdTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:11" (1/1) ... [2019-08-05 09:52:11,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 09:52:11,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 09:52:11,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 09:52:11,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 09:52:11,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ThreadIdTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:11" (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 09:52:11,249 INFO L130 BoogieDeclarations]: Found specification of procedure decrement [2019-08-05 09:52:11,249 INFO L138 BoogieDeclarations]: Found implementation of procedure decrement [2019-08-05 09:52:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure increment [2019-08-05 09:52:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure increment [2019-08-05 09:52:11,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 09:52:11,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 09:52:11,252 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 09:52:11,522 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 09:52:11,523 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 09:52:11,524 INFO L202 PluginConnector]: Adding new model ThreadIdTest-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:52:11 BoogieIcfgContainer [2019-08-05 09:52:11,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 09:52:11,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 09:52:11,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 09:52:11,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 09:52:11,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThreadIdTest-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 09:52:11" (1/2) ... [2019-08-05 09:52:11,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@178e6b4e and model type ThreadIdTest-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 09:52:11, skipping insertion in model container [2019-08-05 09:52:11,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ThreadIdTest-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 09:52:11" (2/2) ... [2019-08-05 09:52:11,533 INFO L109 eAbstractionObserver]: Analyzing ICFG ThreadIdTest-Safe.bpl [2019-08-05 09:52:11,561 WARN L317 ript$VariableManager]: TermVariabe Thread1_decrement_n not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-08-05 09:52:11,562 WARN L317 ript$VariableManager]: TermVariabe Thread1_decrement_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-08-05 09:52:11,562 WARN L317 ript$VariableManager]: TermVariabe Thread0_increment_n not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-08-05 09:52:11,563 WARN L317 ript$VariableManager]: TermVariabe Thread0_increment_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-08-05 09:52:11,590 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 09:52:11,597 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 09:52:11,612 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 09:52:11,635 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 09:52:11,635 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 09:52:11,635 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 09:52:11,636 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 09:52:11,636 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 09:52:11,636 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 09:52:11,636 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 09:52:11,636 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 09:52:11,636 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 09:52:11,643 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 14places, 12 transitions [2019-08-05 09:52:11,655 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 38 states. [2019-08-05 09:52:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-08-05 09:52:11,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-08-05 09:52:11,665 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:52:11,666 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-08-05 09:52:11,669 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 09:52:11,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:52:11,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1305301476, now seen corresponding path program 1 times [2019-08-05 09:52:11,726 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:52:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 09:52:11,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjunts are in the unsatisfiable core [2019-08-05 09:52:11,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 09:52:12,023 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 09:52:12,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 09:52:12,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-08-05 09:52:12,030 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-08-05 09:52:12,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-08-05 09:52:12,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-08-05 09:52:12,044 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2019-08-05 09:52:12,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 09:52:12,285 INFO L93 Difference]: Finished difference Result 35 states and 54 transitions. [2019-08-05 09:52:12,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-08-05 09:52:12,288 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 7 [2019-08-05 09:52:12,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 09:52:12,299 INFO L225 Difference]: With dead ends: 35 [2019-08-05 09:52:12,299 INFO L226 Difference]: Without dead ends: 20 [2019-08-05 09:52:12,301 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-08-05 09:52:12,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-08-05 09:52:12,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-08-05 09:52:12,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-08-05 09:52:12,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 29 transitions. [2019-08-05 09:52:12,337 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 29 transitions. Word has length 7 [2019-08-05 09:52:12,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 09:52:12,338 INFO L475 AbstractCegarLoop]: Abstraction has 20 states and 29 transitions. [2019-08-05 09:52:12,338 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-08-05 09:52:12,338 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2019-08-05 09:52:12,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-08-05 09:52:12,339 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 09:52:12,339 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-08-05 09:52:12,339 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 09:52:12,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 09:52:12,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1307978791, now seen corresponding path program 1 times [2019-08-05 09:52:12,341 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 09:52:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 09:52:12,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 09:52:12,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 09:52:12,411 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 09:52:12,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 09:52:12,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 09:52:12,413 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 09:52:12,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 09:52:12,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 09:52:12,414 INFO L87 Difference]: Start difference. First operand 20 states and 29 transitions. Second operand 3 states. [2019-08-05 09:52:12,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 09:52:12,416 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2019-08-05 09:52:12,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 09:52:12,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-08-05 09:52:12,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 09:52:12,417 INFO L225 Difference]: With dead ends: 14 [2019-08-05 09:52:12,417 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 09:52:12,418 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 09:52:12,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 09:52:12,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 09:52:12,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 09:52:12,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 09:52:12,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-08-05 09:52:12,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 09:52:12,420 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 09:52:12,420 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 09:52:12,420 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 09:52:12,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 09:52:12,424 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-08-05 09:52:12,426 INFO L202 PluginConnector]: Adding new model ThreadIdTest-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 09:52:12 BasicIcfg [2019-08-05 09:52:12,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 09:52:12,429 INFO L168 Benchmark]: Toolchain (without parser) took 1302.21 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 63.5 MB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:12,430 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory is still 110.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 09:52:12,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.90 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 108.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:12,433 INFO L168 Benchmark]: Boogie Preprocessor took 18.84 ms. Allocated memory is still 133.7 MB. Free memory was 108.4 MB in the beginning and 107.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:12,434 INFO L168 Benchmark]: RCFGBuilder took 343.25 ms. Allocated memory is still 133.7 MB. Free memory was 107.1 MB in the beginning and 97.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:12,435 INFO L168 Benchmark]: TraceAbstraction took 900.55 ms. Allocated memory is still 133.7 MB. Free memory was 97.7 MB in the beginning and 63.5 MB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. [2019-08-05 09:52:12,439 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory is still 110.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.90 ms. Allocated memory is still 133.7 MB. Free memory was 110.0 MB in the beginning and 108.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.84 ms. Allocated memory is still 133.7 MB. Free memory was 108.4 MB in the beginning and 107.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 343.25 ms. Allocated memory is still 133.7 MB. Free memory was 107.1 MB in the beginning and 97.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 900.55 ms. Allocated memory is still 133.7 MB. Free memory was 97.7 MB in the beginning and 63.5 MB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 20 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 42 SDslu, 18 SDs, 0 SdLazy, 17 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 0.3s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 4 NumberOfNonLiveVariables, 40 ConjunctsInSsa, 11 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...