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/UpAndDownLocal-mutual-correct.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:07:42,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:07:42,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:07:42,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:07:42,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:07:42,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:07:42,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:07:42,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:07:42,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:07:42,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:07:42,143 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:07:42,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:07:42,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:07:42,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:07:42,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:07:42,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:07:42,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:07:42,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:07:42,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:07:42,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:07:42,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:07:42,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:07:42,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:07:42,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:07:42,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:07:42,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:07:42,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:07:42,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:07:42,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:07:42,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:07:42,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:07:42,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:07:42,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:07:42,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:07:42,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:07:42,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:07:42,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:07:42,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:07:42,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:07:42,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:07:42,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:07:42,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:07:42,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:07:42,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:07:42,242 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:07:42,243 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:07:42,243 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/UpAndDownLocal-mutual-correct.bpl [2019-08-05 11:07:42,244 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/recursive/regression/bpl/UpAndDownLocal-mutual-correct.bpl' [2019-08-05 11:07:42,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:07:42,274 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 11:07:42,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 11:07:42,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 11:07:42,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 11:07:42,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "UpAndDownLocal-mutual-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:42" (1/1) ... [2019-08-05 11:07:42,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "UpAndDownLocal-mutual-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:42" (1/1) ... [2019-08-05 11:07:42,306 WARN L165 Inliner]: Program contained no entry procedure! [2019-08-05 11:07:42,306 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2019-08-05 11:07:42,306 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2019-08-05 11:07:42,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 11:07:42,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:07:42,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:07:42,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:07:42,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "UpAndDownLocal-mutual-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:42" (1/1) ... [2019-08-05 11:07:42,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "UpAndDownLocal-mutual-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:42" (1/1) ... [2019-08-05 11:07:42,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "UpAndDownLocal-mutual-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:42" (1/1) ... [2019-08-05 11:07:42,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "UpAndDownLocal-mutual-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:42" (1/1) ... [2019-08-05 11:07:42,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "UpAndDownLocal-mutual-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:42" (1/1) ... [2019-08-05 11:07:42,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "UpAndDownLocal-mutual-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:42" (1/1) ... [2019-08-05 11:07:42,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "UpAndDownLocal-mutual-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:42" (1/1) ... [2019-08-05 11:07:42,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:07:42,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:07:42,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:07:42,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:07:42,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "UpAndDownLocal-mutual-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:42" (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 11:07:42,404 INFO L130 BoogieDeclarations]: Found specification of procedure UpAndDownLocal [2019-08-05 11:07:42,405 INFO L138 BoogieDeclarations]: Found implementation of procedure UpAndDownLocal [2019-08-05 11:07:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure UpAndDownLocalTwo [2019-08-05 11:07:42,405 INFO L138 BoogieDeclarations]: Found implementation of procedure UpAndDownLocalTwo [2019-08-05 11:07:42,405 INFO L130 BoogieDeclarations]: Found specification of procedure Main [2019-08-05 11:07:42,406 INFO L138 BoogieDeclarations]: Found implementation of procedure Main [2019-08-05 11:07:42,659 WARN L731 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-08-05 11:07:42,794 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:07:42,794 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:07:42,795 INFO L202 PluginConnector]: Adding new model UpAndDownLocal-mutual-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:07:42 BoogieIcfgContainer [2019-08-05 11:07:42,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:07:42,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-08-05 11:07:42,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-08-05 11:07:42,802 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-08-05 11:07:42,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "UpAndDownLocal-mutual-correct.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:07:42" (1/2) ... [2019-08-05 11:07:42,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf3a9b1 and model type UpAndDownLocal-mutual-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.08 11:07:42, skipping insertion in model container [2019-08-05 11:07:42,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "UpAndDownLocal-mutual-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:07:42" (2/2) ... [2019-08-05 11:07:42,806 INFO L109 eAbstractionObserver]: Analyzing ICFG UpAndDownLocal-mutual-correct.bpl [2019-08-05 11:07:42,818 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2019-08-05 11:07:42,827 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-08-05 11:07:42,847 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-08-05 11:07:42,893 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-08-05 11:07:42,894 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-08-05 11:07:42,894 INFO L378 AbstractCegarLoop]: Hoare is false [2019-08-05 11:07:42,894 INFO L379 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2019-08-05 11:07:42,894 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-08-05 11:07:42,894 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-08-05 11:07:42,895 INFO L382 AbstractCegarLoop]: Difference is false [2019-08-05 11:07:42,895 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-08-05 11:07:42,895 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-08-05 11:07:42,920 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-08-05 11:07:42,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-08-05 11:07:42,931 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:07:42,932 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-08-05 11:07:42,935 INFO L418 AbstractCegarLoop]: === Iteration 1 === [MainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:07:42,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:07:42,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1510295572, now seen corresponding path program 1 times [2019-08-05 11:07:42,991 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:07:43,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:07:43,033 WARN L254 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 9 conjunts are in the unsatisfiable core [2019-08-05 11:07:43,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:07:43,157 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 11:07:43,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:07:43,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-08-05 11:07:43,163 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-08-05 11:07:43,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-08-05 11:07:43,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-08-05 11:07:43,181 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 5 states. [2019-08-05 11:07:43,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:07:43,323 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2019-08-05 11:07:43,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-08-05 11:07:43,325 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-08-05 11:07:43,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:07:43,337 INFO L225 Difference]: With dead ends: 16 [2019-08-05 11:07:43,337 INFO L226 Difference]: Without dead ends: 14 [2019-08-05 11:07:43,339 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-08-05 11:07:43,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-08-05 11:07:43,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-08-05 11:07:43,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-08-05 11:07:43,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2019-08-05 11:07:43,383 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 7 [2019-08-05 11:07:43,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:07:43,384 INFO L475 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2019-08-05 11:07:43,384 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-08-05 11:07:43,384 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-08-05 11:07:43,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-08-05 11:07:43,386 INFO L391 BasicCegarLoop]: Found error trace [2019-08-05 11:07:43,387 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-08-05 11:07:43,387 INFO L418 AbstractCegarLoop]: === Iteration 2 === [MainErr0ASSERT_VIOLATIONASSERT]=== [2019-08-05 11:07:43,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-08-05 11:07:43,388 INFO L82 PathProgramCache]: Analyzing trace with hash -665918843, now seen corresponding path program 1 times [2019-08-05 11:07:43,389 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2019-08-05 11:07:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-08-05 11:07:43,405 WARN L254 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 17 conjunts are in the unsatisfiable core [2019-08-05 11:07:43,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-08-05 11:07:43,734 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 11:07:43,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-08-05 11:07:43,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-08-05 11:07:43,736 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-08-05 11:07:43,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-08-05 11:07:43,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-08-05 11:07:43,737 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 7 states. [2019-08-05 11:07:43,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-08-05 11:07:43,992 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2019-08-05 11:07:43,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-08-05 11:07:43,993 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-08-05 11:07:43,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-08-05 11:07:43,994 INFO L225 Difference]: With dead ends: 13 [2019-08-05 11:07:43,994 INFO L226 Difference]: Without dead ends: 0 [2019-08-05 11:07:43,995 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-08-05 11:07:43,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-08-05 11:07:43,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-08-05 11:07:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-08-05 11:07:43,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-08-05 11:07:43,997 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-08-05 11:07:43,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-08-05 11:07:43,997 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-08-05 11:07:44,016 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-08-05 11:07:44,018 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-08-05 11:07:44,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-08-05 11:07:44,024 INFO L202 PluginConnector]: Adding new model UpAndDownLocal-mutual-correct.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.08 11:07:44 BoogieIcfgContainer [2019-08-05 11:07:44,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-08-05 11:07:44,027 INFO L168 Benchmark]: Toolchain (without parser) took 1752.45 ms. Allocated memory was 134.2 MB in the beginning and 170.4 MB in the end (delta: 36.2 MB). Free memory was 111.7 MB in the beginning and 147.6 MB in the end (delta: -35.9 MB). Peak memory consumption was 60.5 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:44,029 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 113.0 MB in the beginning and 112.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 11:07:44,030 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.97 ms. Allocated memory is still 134.2 MB. Free memory was 111.7 MB in the beginning and 109.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:44,031 INFO L168 Benchmark]: Boogie Preprocessor took 19.31 ms. Allocated memory is still 134.2 MB. Free memory was 109.7 MB in the beginning and 108.8 MB in the end (delta: 900.6 kB). Peak memory consumption was 900.6 kB. Max. memory is 7.1 GB. [2019-08-05 11:07:44,032 INFO L168 Benchmark]: RCFGBuilder took 466.56 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 97.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:44,033 INFO L168 Benchmark]: TraceAbstraction took 1226.93 ms. Allocated memory was 134.2 MB in the beginning and 170.4 MB in the end (delta: 36.2 MB). Free memory was 97.4 MB in the beginning and 147.6 MB in the end (delta: -50.1 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:07:44,038 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 0.23 ms. Allocated memory is still 134.2 MB. Free memory was 113.0 MB in the beginning and 112.8 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 34.97 ms. Allocated memory is still 134.2 MB. Free memory was 111.7 MB in the beginning and 109.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.31 ms. Allocated memory is still 134.2 MB. Free memory was 109.7 MB in the beginning and 108.8 MB in the end (delta: 900.6 kB). Peak memory consumption was 900.6 kB. Max. memory is 7.1 GB. * RCFGBuilder took 466.56 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 97.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1226.93 ms. Allocated memory was 134.2 MB in the beginning and 170.4 MB in the end (delta: 36.2 MB). Free memory was 97.4 MB in the beginning and 147.6 MB in the end (delta: -50.1 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: 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 3 procedures, 13 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 19 SDtfs, 2 SDslu, 49 SDs, 0 SdLazy, 56 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 0.4s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 44 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...