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/toy/showcase/LockingExample.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 10:30:54,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 10:30:54,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 10:30:54,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 10:30:54,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 10:30:54,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 10:30:54,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 10:30:54,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 10:30:54,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 10:30:54,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 10:30:54,134 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 10:30:54,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 10:30:54,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 10:30:54,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 10:30:54,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 10:30:54,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 10:30:54,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 10:30:54,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 10:30:54,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 10:30:54,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 10:30:54,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 10:30:54,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 10:30:54,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 10:30:54,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 10:30:54,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 10:30:54,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 10:30:54,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 10:30:54,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 10:30:54,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 10:30:54,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 10:30:54,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 10:30:54,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 10:30:54,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 10:30:54,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 10:30:54,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 10:30:54,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 10:30:54,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 10:30:54,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 10:30:54,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 10:30:54,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 10:30:54,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 10:30:54,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 10:30:54,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 10:30:54,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 10:30:54,209 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 10:30:54,210 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 10:30:54,211 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/showcase/LockingExample.bpl [2019-08-05 10:30:54,211 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/showcase/LockingExample.bpl' [2019-08-05 10:30:54,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 10:30:54,249 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 10:30:54,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 10:30:54,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 10:30:54,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 10:30:54,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,288 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 10:30:54,288 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 10:30:54,289 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 10:30:54,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 10:30:54,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 10:30:54,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 10:30:54,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 10:30:54,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/1) ... [2019-08-05 10:30:54,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 10:30:54,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 10:30:54,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 10:30:54,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 10:30:54,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (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 10:30:54,396 INFO L124 BoogieDeclarations]: Specification and implementation of procedure lockingEx given in one single declaration [2019-08-05 10:30:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure lockingEx [2019-08-05 10:30:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure lockingEx [2019-08-05 10:30:54,676 INFO L275 CfgBuilder]: Using library mode [2019-08-05 10:30:54,676 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-05 10:30:54,678 INFO L202 PluginConnector]: Adding new model LockingExample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:30:54 BoogieIcfgContainer [2019-08-05 10:30:54,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 10:30:54,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 10:30:54,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 10:30:54,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 10:30:54,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 10:30:54" (1/2) ... [2019-08-05 10:30:54,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e2967b and model type LockingExample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 10:30:54, skipping insertion in model container [2019-08-05 10:30:54,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "LockingExample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 10:30:54" (2/2) ... [2019-08-05 10:30:54,689 INFO L109 eAbstractionObserver]: Analyzing ICFG LockingExample.bpl [2019-08-05 10:30:54,698 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 10:30:54,706 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 10:30:54,723 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 10:30:54,749 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 10:30:54,750 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 10:30:54,751 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 10:30:54,751 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 10:30:54,751 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 10:30:54,751 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 10:30:54,751 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 10:30:54,752 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 10:30:54,752 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 10:30:54,766 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2019-08-05 10:30:54,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 10:30:54,774 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:30:54,775 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 10:30:54,777 INFO L418 AbstractCegarLoop]: === Iteration 1 === [lockingExErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:30:54,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:30:54,784 INFO L82 PathProgramCache]: Analyzing trace with hash 965, now seen corresponding path program 1 times [2019-08-05 10:30:54,832 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:30:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:30:54,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-08-05 10:30:54,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:30:54,911 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 10:30:54,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:30:54,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 10:30:54,920 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 10:30:54,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 10:30:54,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 10:30:54,940 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2019-08-05 10:30:55,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:30:55,027 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2019-08-05 10:30:55,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 10:30:55,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 10:30:55,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:30:55,059 INFO L225 Difference]: With dead ends: 7 [2019-08-05 10:30:55,059 INFO L226 Difference]: Without dead ends: 5 [2019-08-05 10:30:55,062 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 10:30:55,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2019-08-05 10:30:55,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-08-05 10:30:55,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-08-05 10:30:55,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-08-05 10:30:55,095 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 2 [2019-08-05 10:30:55,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:30:55,095 INFO L475 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-08-05 10:30:55,096 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 10:30:55,096 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2019-08-05 10:30:55,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-08-05 10:30:55,097 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 10:30:55,097 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-08-05 10:30:55,097 INFO L418 AbstractCegarLoop]: === Iteration 2 === [lockingExErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 10:30:55,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 10:30:55,098 INFO L82 PathProgramCache]: Analyzing trace with hash 943179, now seen corresponding path program 1 times [2019-08-05 10:30:55,099 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 10:30:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 10:30:55,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2019-08-05 10:30:55,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 10:30:55,337 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-08-05 10:30:55,347 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-05 10:30:55,436 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 10:30:55,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 10:30:55,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 10:30:55,440 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 10:30:55,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 10:30:55,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 10:30:55,442 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 4 states. [2019-08-05 10:30:55,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 10:30:55,553 INFO L93 Difference]: Finished difference Result 4 states and 4 transitions. [2019-08-05 10:30:55,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 10:30:55,554 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-08-05 10:30:55,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 10:30:55,555 INFO L225 Difference]: With dead ends: 4 [2019-08-05 10:30:55,555 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 10:30:55,556 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-08-05 10:30:55,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 10:30:55,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 10:30:55,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 10:30:55,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 10:30:55,558 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-08-05 10:30:55,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 10:30:55,558 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 10:30:55,558 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 10:30:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 10:30:55,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 10:30:55,563 INFO L202 PluginConnector]: Adding new model LockingExample.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 10:30:55 BoogieIcfgContainer [2019-08-05 10:30:55,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 10:30:55,566 INFO L168 Benchmark]: Toolchain (without parser) took 1316.04 ms. Allocated memory is still 133.2 MB. Free memory was 110.7 MB in the beginning and 70.3 MB in the end (delta: 40.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 7.1 GB. [2019-08-05 10:30:55,567 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.26 ms. Allocated memory is still 133.2 MB. Free memory is still 111.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 10:30:55,568 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.10 ms. Allocated memory is still 133.2 MB. Free memory was 110.7 MB in the beginning and 108.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-08-05 10:30:55,569 INFO L168 Benchmark]: Boogie Preprocessor took 26.54 ms. Allocated memory is still 133.2 MB. Free memory was 108.5 MB in the beginning and 107.7 MB in the end (delta: 872.5 kB). Peak memory consumption was 872.5 kB. Max. memory is 7.1 GB. [2019-08-05 10:30:55,570 INFO L168 Benchmark]: RCFGBuilder took 359.27 ms. Allocated memory is still 133.2 MB. Free memory was 107.7 MB in the beginning and 97.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-05 10:30:55,572 INFO L168 Benchmark]: TraceAbstraction took 884.01 ms. Allocated memory is still 133.2 MB. Free memory was 97.1 MB in the beginning and 70.3 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-08-05 10:30:55,576 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 0.26 ms. Allocated memory is still 133.2 MB. Free memory is still 111.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.10 ms. Allocated memory is still 133.2 MB. Free memory was 110.7 MB in the beginning and 108.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.54 ms. Allocated memory is still 133.2 MB. Free memory was 108.5 MB in the beginning and 107.7 MB in the end (delta: 872.5 kB). Peak memory consumption was 872.5 kB. Max. memory is 7.1 GB. * RCFGBuilder took 359.27 ms. Allocated memory is still 133.2 MB. Free memory was 107.7 MB in the beginning and 97.5 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 884.01 ms. Allocated memory is still 133.2 MB. Free memory was 97.1 MB in the beginning and 70.3 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 23]: 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 1 procedures, 6 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 1 SDslu, 3 SDs, 0 SdLazy, 9 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 2 NumberOfNonLiveVariables, 17 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...