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/regression/bpl/interprocedural/Struct01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:08:39,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:08:39,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:08:39,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:08:39,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:08:39,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:08:39,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:08:39,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:08:39,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:08:39,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:08:39,602 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:08:39,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:08:39,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:08:39,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:08:39,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:08:39,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:08:39,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:08:39,618 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:08:39,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:08:39,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:08:39,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:08:39,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:08:39,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:08:39,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:08:39,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:08:39,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:08:39,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:08:39,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:08:39,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:08:39,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:08:39,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:08:39,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:08:39,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:08:39,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:08:39,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:08:39,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:08:39,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:08:39,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:08:39,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:08:39,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:08:39,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:08:39,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:08:39,704 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:08:39,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:08:39,710 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:08:39,710 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:08:39,711 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/Struct01.bpl [2019-08-05 11:08:39,711 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/interprocedural/Struct01.bpl' [2019-08-05 11:08:39,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:08:39,748 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:08:39,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:08:39,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:08:39,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:08:39,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Struct01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:39" (1/1) ... [2019-08-05 11:08:39,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Struct01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:39" (1/1) ... [2019-08-05 11:08:39,787 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:08:39,788 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:08:39,788 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:08:39,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:08:39,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:08:39,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:08:39,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:08:39,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Struct01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:39" (1/1) ... [2019-08-05 11:08:39,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Struct01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:39" (1/1) ... [2019-08-05 11:08:39,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Struct01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:39" (1/1) ... [2019-08-05 11:08:39,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Struct01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:39" (1/1) ... [2019-08-05 11:08:39,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Struct01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:39" (1/1) ... [2019-08-05 11:08:39,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Struct01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:39" (1/1) ... [2019-08-05 11:08:39,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Struct01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:39" (1/1) ... [2019-08-05 11:08:39,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:08:39,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:08:39,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:08:39,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:08:39,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Struct01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:39" (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 11:08:39,904 INFO L124 BoogieDeclarations]: Specification and implementation of procedure add given in one single declaration [2019-08-05 11:08:39,904 INFO L130 BoogieDeclarations]: Found specification of procedure add [2019-08-05 11:08:39,904 INFO L138 BoogieDeclarations]: Found implementation of procedure add [2019-08-05 11:08:39,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2019-08-05 11:08:39,905 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-05 11:08:39,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-05 11:08:40,200 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:08:40,200 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-05 11:08:40,203 INFO L202 PluginConnector]: Adding new model Struct01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:08:40 BoogieIcfgContainer [2019-08-05 11:08:40,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:08:40,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:08:40,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:08:40,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:08:40,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Struct01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:08:39" (1/2) ... [2019-08-05 11:08:40,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@681db8ec and model type Struct01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:08:40, skipping insertion in model container [2019-08-05 11:08:40,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Struct01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:08:40" (2/2) ... [2019-08-05 11:08:40,226 INFO L109 eAbstractionObserver]: Analyzing ICFG Struct01.bpl [2019-08-05 11:08:40,236 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:08:40,244 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-08-05 11:08:40,261 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-08-05 11:08:40,286 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:08:40,287 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:08:40,287 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:08:40,287 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:08:40,288 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:08:40,288 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:08:40,288 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:08:40,288 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:08:40,288 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:08:40,302 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-08-05 11:08:40,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-08-05 11:08:40,310 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:08:40,311 INFO L399 BasicCegarLoop]: trace histogram [1, 1] [2019-08-05 11:08:40,313 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:08:40,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:08:40,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1338, now seen corresponding path program 1 times [2019-08-05 11:08:40,364 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:08:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:08:40,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 13 conjunts are in the unsatisfiable core [2019-08-05 11:08:40,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:08:40,472 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 11:08:40,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:08:40,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:08:40,478 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:08:40,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:08:40,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:08:40,490 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2019-08-05 11:08:40,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:08:40,519 INFO L93 Difference]: Finished difference Result 7 states and 5 transitions. [2019-08-05 11:08:40,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:08:40,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2019-08-05 11:08:40,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:08:40,531 INFO L225 Difference]: With dead ends: 7 [2019-08-05 11:08:40,532 INFO L226 Difference]: Without dead ends: 4 [2019-08-05 11:08:40,534 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 11:08:40,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2019-08-05 11:08:40,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2019-08-05 11:08:40,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-08-05 11:08:40,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3 transitions. [2019-08-05 11:08:40,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 3 transitions. Word has length 2 [2019-08-05 11:08:40,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:08:40,568 INFO L475 AbstractCegarLoop]: Abstraction has 4 states and 3 transitions. [2019-08-05 11:08:40,568 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:08:40,568 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2019-08-05 11:08:40,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-08-05 11:08:40,568 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:08:40,569 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-08-05 11:08:40,569 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT, mainErr1ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:08:40,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:08:40,570 INFO L82 PathProgramCache]: Analyzing trace with hash 41516, now seen corresponding path program 1 times [2019-08-05 11:08:40,571 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:08:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:08:40,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 13 conjunts are in the unsatisfiable core [2019-08-05 11:08:40,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:08:40,643 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 11:08:40,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:08:40,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-08-05 11:08:40,646 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-08-05 11:08:40,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-08-05 11:08:40,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-08-05 11:08:40,647 INFO L87 Difference]: Start difference. First operand 4 states and 3 transitions. Second operand 3 states. [2019-08-05 11:08:40,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:08:40,648 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2019-08-05 11:08:40,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-08-05 11:08:40,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-08-05 11:08:40,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:08:40,651 INFO L225 Difference]: With dead ends: 3 [2019-08-05 11:08:40,651 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:08:40,652 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 11:08:40,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:08:40,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:08:40,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:08:40,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:08:40,655 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2019-08-05 11:08:40,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:08:40,655 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:08:40,656 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-08-05 11:08:40,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:08:40,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:08:40,662 INFO L202 PluginConnector]: Adding new model Struct01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:08:40 BoogieIcfgContainer [2019-08-05 11:08:40,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:08:40,664 INFO L168 Benchmark]: Toolchain (without parser) took 915.50 ms. Allocated memory is still 134.2 MB. Free memory was 110.5 MB in the beginning and 73.9 MB in the end (delta: 36.7 MB). Peak memory consumption was 36.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:40,665 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.25 ms. Allocated memory is still 134.2 MB. Free memory is still 111.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:08:40,666 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.04 ms. Allocated memory is still 134.2 MB. Free memory was 110.5 MB in the beginning and 108.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:40,667 INFO L168 Benchmark]: Boogie Preprocessor took 24.63 ms. Allocated memory is still 134.2 MB. Free memory was 108.0 MB in the beginning and 107.1 MB in the end (delta: 891.7 kB). Peak memory consumption was 891.7 kB. Max. memory is 7.1 GB. [2019-08-05 11:08:40,668 INFO L168 Benchmark]: RCFGBuilder took 373.41 ms. Allocated memory is still 134.2 MB. Free memory was 107.1 MB in the beginning and 96.0 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:40,669 INFO L168 Benchmark]: TraceAbstraction took 457.13 ms. Allocated memory is still 134.2 MB. Free memory was 95.5 MB in the beginning and 73.9 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:08:40,673 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 134.2 MB. Free memory is still 111.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 56.04 ms. Allocated memory is still 134.2 MB. Free memory was 110.5 MB in the beginning and 108.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.63 ms. Allocated memory is still 134.2 MB. Free memory was 108.0 MB in the beginning and 107.1 MB in the end (delta: 891.7 kB). Peak memory consumption was 891.7 kB. Max. memory is 7.1 GB. * RCFGBuilder took 373.41 ms. Allocated memory is still 134.2 MB. Free memory was 107.1 MB in the beginning and 96.0 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 457.13 ms. Allocated memory is still 134.2 MB. Free memory was 95.5 MB in the beginning and 73.9 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 36]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 8 locations, 2 error locations. SAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 3 SDslu, 1 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 10 NumberOfNonLiveVariables, 56 ConjunctsInSsa, 26 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...