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/recursive/regression/bpl/McCarthy91_Main.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:07:55,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:07:55,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:07:55,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:07:55,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:07:55,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:07:55,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:07:55,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:07:55,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:07:55,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:07:55,231 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:07:55,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:07:55,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:07:55,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:07:55,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:07:55,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:07:55,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:07:55,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:07:55,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:07:55,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:07:55,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:07:55,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:07:55,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:07:55,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:07:55,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:07:55,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:07:55,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:07:55,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:07:55,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:07:55,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:07:55,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:07:55,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:07:55,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:07:55,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:07:55,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:07:55,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:07:55,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:07:55,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:07:55,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:07:55,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:07:55,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:07:55,284 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:07:55,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:07:55,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:07:55,301 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:07:55,302 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:07:55,303 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/McCarthy91_Main.bpl [2019-08-05 11:07:55,303 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/McCarthy91_Main.bpl' [2019-08-05 11:07:55,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:07:55,339 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:07:55,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:07:55,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:07:55,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:07:55,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "McCarthy91_Main.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:55" (1/1) ... [2019-08-05 11:07:55,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "McCarthy91_Main.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:55" (1/1) ... [2019-08-05 11:07:55,377 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:07:55,378 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:07:55,378 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:07:55,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:07:55,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:07:55,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:07:55,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:07:55,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "McCarthy91_Main.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:55" (1/1) ... [2019-08-05 11:07:55,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "McCarthy91_Main.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:55" (1/1) ... [2019-08-05 11:07:55,395 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "McCarthy91_Main.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:55" (1/1) ... [2019-08-05 11:07:55,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "McCarthy91_Main.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:55" (1/1) ... [2019-08-05 11:07:55,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "McCarthy91_Main.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:55" (1/1) ... [2019-08-05 11:07:55,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "McCarthy91_Main.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:55" (1/1) ... [2019-08-05 11:07:55,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "McCarthy91_Main.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:55" (1/1) ... [2019-08-05 11:07:55,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:07:55,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:07:55,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:07:55,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:07:55,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "McCarthy91_Main.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:55" (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 11:07:55,479 INFO L130 BoogieDeclarations]: Found specification of procedure McCarthy [2019-08-05 11:07:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure McCarthy [2019-08-05 11:07:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-05 11:07:55,480 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-05 11:07:55,754 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:07:55,755 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:07:55,756 INFO L202 PluginConnector]: Adding new model McCarthy91_Main.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:07:55 BoogieIcfgContainer [2019-08-05 11:07:55,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:07:55,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:07:55,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:07:55,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:07:55,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "McCarthy91_Main.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:55" (1/2) ... [2019-08-05 11:07:55,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3df76ad1 and model type McCarthy91_Main.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:07:55, skipping insertion in model container [2019-08-05 11:07:55,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "McCarthy91_Main.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:07:55" (2/2) ... [2019-08-05 11:07:55,767 INFO L109 eAbstractionObserver]: Analyzing ICFG McCarthy91_Main.bpl [2019-08-05 11:07:55,775 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:07:55,782 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:07:55,798 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:07:55,825 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:07:55,826 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:07:55,826 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:07:55,826 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:07:55,826 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:07:55,826 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:07:55,827 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:07:55,827 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:07:55,827 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:07:55,842 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-08-05 11:07:55,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-08-05 11:07:55,853 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:07:55,854 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-08-05 11:07:55,856 INFO L418 AbstractCegarLoop]: === Iteration 1 === [MainErr0ENSURES_VIOLATIONPOST_CONDITION]=== [2019-08-05 11:07:55,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:07:55,861 INFO L82 PathProgramCache]: Analyzing trace with hash 43473295, now seen corresponding path program 1 times [2019-08-05 11:07:55,903 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:07:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:07:55,943 WARN L254 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 8 conjunts are in the unsatisfiable core [2019-08-05 11:07:55,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:07:56,130 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 11:07:56,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:07:56,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-08-05 11:07:56,145 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-08-05 11:07:56,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-08-05 11:07:56,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 11:07:56,168 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 4 states. [2019-08-05 11:07:56,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:07:56,324 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2019-08-05 11:07:56,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-08-05 11:07:56,326 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-08-05 11:07:56,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:07:56,336 INFO L225 Difference]: With dead ends: 13 [2019-08-05 11:07:56,336 INFO L226 Difference]: Without dead ends: 10 [2019-08-05 11:07:56,339 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-08-05 11:07:56,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-08-05 11:07:56,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-08-05 11:07:56,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-08-05 11:07:56,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-08-05 11:07:56,383 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 13 transitions. Word has length 5 [2019-08-05 11:07:56,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:07:56,384 INFO L475 AbstractCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-08-05 11:07:56,384 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-08-05 11:07:56,384 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2019-08-05 11:07:56,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-08-05 11:07:56,386 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:07:56,387 INFO L399 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 11:07:56,387 INFO L418 AbstractCegarLoop]: === Iteration 2 === [MainErr0ENSURES_VIOLATIONPOST_CONDITION]=== [2019-08-05 11:07:56,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:07:56,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1658100137, now seen corresponding path program 1 times [2019-08-05 11:07:56,389 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:07:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:07:56,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 13 conjunts are in the unsatisfiable core [2019-08-05 11:07:56,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:07:56,891 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-08-05 11:07:56,892 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-08-05 11:07:56,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-08-05 11:07:56,894 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-08-05 11:07:56,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-08-05 11:07:56,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-08-05 11:07:56,895 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. Second operand 8 states. [2019-08-05 11:07:57,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:07:57,248 INFO L93 Difference]: Finished difference Result 11 states and 15 transitions. [2019-08-05 11:07:57,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-08-05 11:07:57,248 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-08-05 11:07:57,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:07:57,249 INFO L225 Difference]: With dead ends: 11 [2019-08-05 11:07:57,249 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:07:57,250 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-08-05 11:07:57,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:07:57,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:07:57,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:07:57,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:07:57,251 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-08-05 11:07:57,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:07:57,251 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:07:57,252 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-08-05 11:07:57,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:07:57,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:07:57,257 INFO L202 PluginConnector]: Adding new model McCarthy91_Main.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:07:57 BoogieIcfgContainer [2019-08-05 11:07:57,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:07:57,268 INFO L168 Benchmark]: Toolchain (without parser) took 1921.13 ms. Allocated memory was 140.0 MB in the beginning and 176.7 MB in the end (delta: 36.7 MB). Free memory was 109.7 MB in the beginning and 140.6 MB in the end (delta: -30.9 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:57,269 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 110.9 MB in the beginning and 110.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:07:57,271 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.12 ms. Allocated memory is still 140.0 MB. Free memory was 109.7 MB in the beginning and 107.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:57,272 INFO L168 Benchmark]: Boogie Preprocessor took 24.71 ms. Allocated memory is still 140.0 MB. Free memory was 107.7 MB in the beginning and 106.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:57,273 INFO L168 Benchmark]: RCFGBuilder took 349.89 ms. Allocated memory is still 140.0 MB. Free memory was 106.6 MB in the beginning and 97.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:57,274 INFO L168 Benchmark]: TraceAbstraction took 1499.37 ms. Allocated memory was 140.0 MB in the beginning and 176.7 MB in the end (delta: 36.7 MB). Free memory was 97.4 MB in the beginning and 140.6 MB in the end (delta: -43.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:07:57,278 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 140.0 MB. Free memory was 110.9 MB in the beginning and 110.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.12 ms. Allocated memory is still 140.0 MB. Free memory was 109.7 MB in the beginning and 107.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.71 ms. Allocated memory is still 140.0 MB. Free memory was 107.7 MB in the beginning and 106.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 349.89 ms. Allocated memory is still 140.0 MB. Free memory was 106.6 MB in the beginning and 97.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1499.37 ms. Allocated memory was 140.0 MB in the beginning and 176.7 MB in the end (delta: 36.7 MB). Free memory was 97.4 MB in the beginning and 140.6 MB in the end (delta: -43.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: procedure postcondition always holds For all program executions holds that procedure postcondition always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 9 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 2 OverallIterations, 3 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15 SDtfs, 3 SDslu, 23 SDs, 0 SdLazy, 74 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=1, 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, 0.6s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 808 SizeOfPredicates, 1 NumberOfNonLiveVariables, 46 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 5/9 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...