java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/real-life/Elevator.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:39:58,437 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:39:58,442 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:39:58,462 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:39:58,463 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:39:58,464 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:39:58,467 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:39:58,470 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:39:58,473 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:39:58,474 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:39:58,484 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-07-25 13:39:58,519 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 13:39:58,527 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:39:58,528 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:39:58,529 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:39:58,529 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 13:39:58,529 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 13:39:58,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:39:58,530 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:39:58,575 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:39:58,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:39:58,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:39:58,603 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:39:58,604 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:39:58,604 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator.bpl [2018-07-25 13:39:58,605 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator.bpl' [2018-07-25 13:39:58,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:39:58,662 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:39:58,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:39:58,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:39:58,663 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:39:58,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,702 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 13:39:58,703 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 13:39:58,703 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 13:39:58,705 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:39:58,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:39:58,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:39:58,707 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:39:58,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:39:58,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:39:58,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:39:58,752 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:39:58,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (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 [2018-07-25 13:39:58,840 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-07-25 13:39:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-07-25 13:39:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-07-25 13:40:00,447 INFO L270 CfgBuilder]: Using library mode [2018-07-25 13:40:00,448 INFO L202 PluginConnector]: Adding new model Elevator.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:40:00 BoogieIcfgContainer [2018-07-25 13:40:00,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:40:00,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:40:00,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:40:00,453 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:40:00,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Elevator.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/2) ... [2018-07-25 13:40:00,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6247a6d1 and model type Elevator.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:40:00, skipping insertion in model container [2018-07-25 13:40:00,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Elevator.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:40:00" (2/2) ... [2018-07-25 13:40:00,457 INFO L112 eAbstractionObserver]: Analyzing ICFG Elevator.bpl [2018-07-25 13:40:00,468 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:40:00,476 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:40:00,519 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:40:00,520 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:40:00,520 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:40:00,520 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 13:40:00,520 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:40:00,521 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:40:00,521 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:40:00,521 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:40:00,521 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:40:00,536 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-25 13:40:00,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 13:40:00,545 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:00,546 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 13:40:00,547 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ElevatorErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:00,553 INFO L82 PathProgramCache]: Analyzing trace with hash 35150, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:00,576 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:01,095 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:01,095 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 13:40:01,099 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 13:40:01,106 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 13:40:01,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-25 13:40:01,109 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 4 states. [2018-07-25 13:40:01,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:01,203 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-07-25 13:40:01,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 13:40:01,207 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-07-25 13:40:01,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:01,228 INFO L225 Difference]: With dead ends: 9 [2018-07-25 13:40:01,228 INFO L226 Difference]: Without dead ends: 6 [2018-07-25 13:40:01,232 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-25 13:40:01,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-07-25 13:40:01,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-07-25 13:40:01,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-07-25 13:40:01,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-07-25 13:40:01,266 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 3 [2018-07-25 13:40:01,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:01,266 INFO L472 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2018-07-25 13:40:01,267 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 13:40:01,267 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-07-25 13:40:01,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 13:40:01,267 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:01,267 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2018-07-25 13:40:01,268 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ElevatorErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:01,268 INFO L82 PathProgramCache]: Analyzing trace with hash 33951723, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:01,282 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:01,687 WARN L169 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2018-07-25 13:40:02,592 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2018-07-25 13:40:03,494 WARN L169 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2018-07-25 13:40:15,805 ERROR L403 Pdr]: Internal query 149#(and (not (exists ((v_Elevator_timeIncrease_6 Real)) (and (or (and (or (and (not (= Elevator_qDC2 2)) (or (not (= Elevator_qDC2 3)) (and (< (+ Elevator_c3 v_Elevator_timeIncrease_6) 2.0) (= Elevator_goal Elevator_current) (= Elevator_qDC2 3)))) (and (not (= Elevator_goal Elevator_current)) (= Elevator_qDC2 2))) (not (= Elevator_qDC2 1))) (and (= Elevator_goal Elevator_current) (= Elevator_qDC2 1))) (or (not (= Elevator_qDC1 2)) (and (= Elevator_qDC1 2) (<= (+ Elevator_c2 v_Elevator_timeIncrease_6) 3.0))) (exists ((v_Elevator_newgoal_52 Bool) (v_Elevator_passed_64 Bool) (v_Elevator_c2_31 Real) (v_Elevator_current_41 Int) (v_Elevator_start_52 Bool) (v_Elevator_stop_64 Bool) (v_Elevator_dir_24 Int) (v_Elevator_qCSP_55 Int) (v_Elevator_c3_38 Real) (v_Elevator_qDC1_34 Int) (v_Elevator_qDC2_57 Int) (v_Elevator_goal_36 Int)) (and (or (< v_Elevator_current_41 Elevator_min) (< Elevator_max v_Elevator_current_41)) (or (and (not v_Elevator_start_52) (= Elevator_qCSP v_Elevator_qCSP_55) (not v_Elevator_passed_64) (not v_Elevator_newgoal_52) (= Elevator_qCSP 1) (not v_Elevator_stop_64)) (and (or (and v_Elevator_newgoal_52 (not v_Elevator_start_52) (not v_Elevator_passed_64) (= v_Elevator_qCSP_55 2) (= Elevator_qCSP 1) (not v_Elevator_stop_64)) (and (or v_Elevator_passed_64 (not v_Elevator_newgoal_52) v_Elevator_stop_64 v_Elevator_start_52 (not (= Elevator_qCSP 1))) (or (and (or v_Elevator_newgoal_52 v_Elevator_passed_64 v_Elevator_stop_64 v_Elevator_start_52 (not (= Elevator_qCSP 2))) (or (and (or (and (not v_Elevator_start_52) (= Elevator_qCSP v_Elevator_qCSP_55) (not v_Elevator_passed_64) (not v_Elevator_newgoal_52) (not v_Elevator_stop_64) (= Elevator_qCSP 3)) (and (or v_Elevator_newgoal_52 v_Elevator_passed_64 (not (= Elevator_qCSP 3)) v_Elevator_stop_64 v_Elevator_start_52) (or (and v_Elevator_passed_64 (not v_Elevator_start_52) (= Elevator_qCSP v_Elevator_qCSP_55) (not v_Elevator_newgoal_52) (not v_Elevator_stop_64) (= Elevator_qCSP 3)) (and (or v_Elevator_newgoal_52 (not (= Elevator_qCSP 3)) (not v_Elevator_passed_64) v_Elevator_stop_64 v_Elevator_start_52) (= v_Elevator_qCSP_55 1) (not v_Elevator_start_52) (not v_Elevator_passed_64) (not v_Elevator_newgoal_52) v_Elevator_stop_64 (= Elevator_qCSP 3))))) (or v_Elevator_newgoal_52 v_Elevator_passed_64 (not v_Elevator_start_52) v_Elevator_stop_64 (not (= Elevator_qCSP 2)))) (and (= Elevator_qCSP 2) (not v_Elevator_passed_64) (not v_Elevator_newgoal_52) (= v_Elevator_qCSP_55 3) v_Elevator_start_52 (not v_Elevator_stop_64)))) (and (not v_Elevator_start_52) (= Elevator_qCSP v_Elevator_qCSP_55) (= Elevator_qCSP 2) (not v_Elevator_passed_64) (not v_Elevator_newgoal_52) (not v_Elevator_stop_64))))) (or v_Elevator_newgoal_52 v_Elevator_passed_64 v_Elevator_stop_64 v_Elevator_start_52 (not (= Elevator_qCSP 1))))) (or (and (or (and v_Elevator_passed_64 (= v_Elevator_qDC1_34 2) (= 0.0 v_Elevator_c2_31)) (and (= Elevator_qDC1 v_Elevator_qDC1_34) (not v_Elevator_passed_64) (= (+ Elevator_c2 v_Elevator_timeIncrease_6) v_Elevator_c2_31))) (= Elevator_qDC1 1)) (and (= Elevator_qDC1 2) (or (and (= Elevator_qDC1 v_Elevator_qDC1_34) (not v_Elevator_passed_64)) (and (= v_Elevator_qDC1_34 1) (not v_Elevator_passed_64) (<= 3.0 (+ Elevator_c2 v_Elevator_timeIncrease_6)))) (= (+ Elevator_c2 v_Elevator_timeIncrease_6) v_Elevator_c2_31) (not (= Elevator_qDC1 1)))) (or (and (or (= Elevator_qDC2 v_Elevator_qDC2_57) (= v_Elevator_qDC2_57 2)) (= Elevator_qDC2 1) (= (+ Elevator_c3 v_Elevator_timeIncrease_6) v_Elevator_c3_38)) (and (or (and (or (and (= Elevator_qDC2 v_Elevator_qDC2_57) (= (+ Elevator_c3 v_Elevator_timeIncrease_6) v_Elevator_c3_38)) (and (= 0.0 v_Elevator_c3_38) (= v_Elevator_qDC2_57 3))) (= Elevator_qDC2 2)) (and (not (= Elevator_qDC2 2)) (= Elevator_qDC2 3) (= (+ Elevator_c3 v_Elevator_timeIncrease_6) v_Elevator_c3_38) (or (and (= Elevator_qDC2 v_Elevator_qDC2_57) (not v_Elevator_stop_64)) (and (= v_Elevator_qDC2_57 1) v_Elevator_stop_64)))) (not (= Elevator_qDC2 1)))) (or (and (or v_Elevator_newgoal_52 v_Elevator_passed_64 v_Elevator_stop_64 v_Elevator_start_52) (or (and (or v_Elevator_passed_64 (not v_Elevator_newgoal_52) v_Elevator_stop_64 v_Elevator_start_52) (or (and (or (= 1 v_Elevator_dir_24) (<= Elevator_goal Elevator_current)) (= Elevator_current v_Elevator_current_41) (not v_Elevator_passed_64) (not v_Elevator_newgoal_52) v_Elevator_start_52 (= Elevator_goal v_Elevator_goal_36) (not v_Elevator_stop_64) (or (= (+ v_Elevator_dir_24 1) 0) (<= Elevator_current Elevator_goal))) (and (or v_Elevator_newgoal_52 v_Elevator_passed_64 (not v_Elevator_start_52) v_Elevator_stop_64) (or (and (or v_Elevator_newgoal_52 v_Elevator_passed_64 v_Elevator_start_52 (not v_Elevator_stop_64)) v_Elevator_passed_64 (not v_Elevator_start_52) (not v_Elevator_newgoal_52) (= Elevator_dir v_Elevator_dir_24) (= (+ Elevator_dir Elevator_current) v_Elevator_current_41) (= Elevator_goal v_Elevator_goal_36) (not v_Elevator_stop_64)) (and (not v_Elevator_start_52) (= Elevator_goal Elevator_current) (= Elevator_current v_Elevator_current_41) (not v_Elevator_passed_64) (not v_Elevator_newgoal_52) v_Elevator_stop_64 (= Elevator_dir v_Elevator_dir_24) (= Elevator_goal v_Elevator_goal_36)))))) (and v_Elevator_newgoal_52 (not v_Elevator_start_52) (= Elevator_current v_Elevator_current_41) (not v_Elevator_passed_64) (not (= Elevator_current v_Elevator_goal_36)) (<= Elevator_min v_Elevator_goal_36) (= Elevator_dir v_Elevator_dir_24) (<= v_Elevator_goal_36 Elevator_max) (not v_Elevator_stop_64)))) (and (not v_Elevator_start_52) (= Elevator_current v_Elevator_current_41) (not v_Elevator_passed_64) (not v_Elevator_newgoal_52) (= Elevator_dir v_Elevator_dir_24) (= Elevator_goal v_Elevator_goal_36) (not v_Elevator_stop_64))) (exists ((v_Elevator_c3_37 Real)) (and (or (not (= v_Elevator_qDC1_34 2)) (and (= v_Elevator_qDC1_34 2) (<= (+ v_Elevator_c2_31 v_Elevator_c3_37) (+ v_Elevator_c3_38 3.0)))) (< v_Elevator_c3_38 v_Elevator_c3_37) (or (and (= v_Elevator_qDC2_57 1) (= v_Elevator_current_41 v_Elevator_goal_36)) (and (or (and (not (= v_Elevator_current_41 v_Elevator_goal_36)) (= v_Elevator_qDC2_57 2)) (and (or (not (= v_Elevator_qDC2_57 3)) (and (= v_Elevator_qDC2_57 3) (< v_Elevator_c3_37 2.0) (= v_Elevator_current_41 v_Elevator_goal_36))) (not (= v_Elevator_qDC2_57 2)))) (not (= v_Elevator_qDC2_57 1)))))))) (< 0.0 v_Elevator_timeIncrease_6)))) (not (and (exists ((v_Elevator_c3_37 Real)) (and (or (and (= Elevator_goal Elevator_current) (= Elevator_qDC2 1)) (and (not (= Elevator_qDC2 1)) (or (and (not (= Elevator_goal Elevator_current)) (= Elevator_qDC2 2)) (and (not (= Elevator_qDC2 2)) (or (not (= Elevator_qDC2 3)) (and (= Elevator_goal Elevator_current) (< v_Elevator_c3_37 2.0) (= Elevator_qDC2 3))))))) (or (not (= Elevator_qDC1 2)) (and (= Elevator_qDC1 2) (<= (+ Elevator_c2 v_Elevator_c3_37) (+ Elevator_c3 3.0)))) (< Elevator_c3 v_Elevator_c3_37))) (or (< Elevator_current Elevator_min) (< Elevator_max Elevator_current))))) && assume true;havoc timeIncrease;assume timeIncrease > 0.0;c2 := c2 + timeIncrease;c3 := c3 + timeIncrease;BeginParallelComposition{ParallelCodeBlock0: assume qDC1 == 2;assume c2 <= 3.0;ParallelCodeBlock1: assume !(qDC1 == 2);}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume qDC2 == 1;assume current == goal;ParallelCodeBlock1: assume !(qDC2 == 1);BeginParallelComposition{ParallelCodeBlock0: assume qDC2 == 2;assume current != goal;ParallelCodeBlock1: assume !(qDC2 == 2);BeginParallelComposition{ParallelCodeBlock0: assume qDC2 == 3;assume current == goal;assume c3 < 2.0;ParallelCodeBlock1: assume !(qDC2 == 3);}EndParallelComposition}EndParallelComposition}EndParallelComposition && 112#(and (<= Elevator_min Elevator_current) (<= Elevator_current Elevator_max) (exists ((v_Elevator_newgoal_52 Bool) (v_Elevator_passed_64 Bool) (v_Elevator_c2_31 Real) (v_Elevator_current_41 Int) (v_Elevator_start_52 Bool) (v_Elevator_stop_64 Bool) (v_Elevator_dir_24 Int) (v_Elevator_qCSP_55 Int) (v_Elevator_c3_38 Real) (v_Elevator_qDC1_34 Int) (v_Elevator_qDC2_57 Int) (v_Elevator_goal_36 Int)) (and (or (< v_Elevator_current_41 Elevator_min) (< Elevator_max v_Elevator_current_41)) (or (and (not v_Elevator_start_52) (= Elevator_qCSP v_Elevator_qCSP_55) (not v_Elevator_passed_64) (not v_Elevator_newgoal_52) (= Elevator_qCSP 1) (not v_Elevator_stop_64)) (and (or (and v_Elevator_newgoal_52 (not v_Elevator_start_52) (not v_Elevator_passed_64) (= v_Elevator_qCSP_55 2) (= Elevator_qCSP 1) (not v_Elevator_stop_64)) (and (or v_Elevator_passed_64 (not v_Elevator_newgoal_52) v_Elevator_stop_64 v_Elevator_start_52 (not (= Elevator_qCSP 1))) (or (and (or v_Elevator_newgoal_52 v_Elevator_passed_64 v_Elevator_stop_64 v_Elevator_start_52 (not (= Elevator_qCSP 2))) (or (and (or (and (not v_Elevator_start_52) (= Elevator_qCSP v_Elevator_qCSP_55) (not v_Elevator_passed_64) (not v_Elevator_newgoal_52) (not v_Elevator_stop_64) (= Elevator_qCSP 3)) (and (or v_Elevator_newgoal_52 v_Elevator_passed_64 (not (= Elevator_qCSP 3)) v_Elevator_stop_64 v_Elevator_start_52) (or (and v_Elevator_passed_64 (not v_Elevator_start_52) (= Elevator_qCSP v_Elevator_qCSP_55) (not v_Elevator_newgoal_52) (not v_Elevator_stop_64) (= Elevator_qCSP 3)) (and (or v_Elevator_newgoal_52 (not (= Elevator_qCSP 3)) (not v_Elevator_passed_64) v_Elevator_stop_64 v_Elevator_start_52) (= v_Elevator_qCSP_55 1) (not v_Elevator_start_52) (not v_Elevator_passed_64) (not v_Elevator_newgoal_52) v_Elevator_stop_64 (= Elevator_qCSP 3))))) (or v_Elevator_newgoal_52 v_Elevator_passed_64 (not v_Elevator_start_52) v_Elevator_stop_64 (not (= Elevator_qCSP 2)))) (and (= Elevator_qCSP 2) (not v_Elevator_passed_64) (not v_Elevator_newgoal_52) (= v_Elevator_qCSP_55 3) v_Elevator_start_52 (not v_Elevator_stop_64)))) (and (not v_Elevator_start_52) (= Elevator_qCSP v_Elevator_qCSP_55) (= Elevator_qCSP 2) (not v_Elevator_passed_64) (not v_Elevator_newgoal_52) (not v_Elevator_stop_64))))) (or v_Elevator_newgoal_52 v_Elevator_passed_64 v_Elevator_stop_64 v_Elevator_start_52 (not (= Elevator_qCSP 1))))) (or (and (= Elevator_qDC1 2) (= Elevator_c2 v_Elevator_c2_31) (or (and (= v_Elevator_qDC1_34 1) (not v_Elevator_passed_64) (<= 3.0 Elevator_c2)) (and (= Elevator_qDC1 v_Elevator_qDC1_34) (not v_Elevator_passed_64))) (not (= Elevator_qDC1 1))) (and (= Elevator_qDC1 1) (or (and (= Elevator_qDC1 v_Elevator_qDC1_34) (= Elevator_c2 v_Elevator_c2_31) (not v_Elevator_passed_64)) (and v_Elevator_passed_64 (= v_Elevator_qDC1_34 2) (= 0.0 v_Elevator_c2_31))))) (or (and (or v_Elevator_newgoal_52 v_Elevator_passed_64 v_Elevator_stop_64 v_Elevator_start_52) (or (and (or v_Elevator_passed_64 (not v_Elevator_newgoal_52) v_Elevator_stop_64 v_Elevator_start_52) (or (and (or (= 1 v_Elevator_dir_24) (<= Elevator_goal Elevator_current)) (= Elevator_current v_Elevator_current_41) (not v_Elevator_passed_64) (not v_Elevator_newgoal_52) v_Elevator_start_52 (= Elevator_goal v_Elevator_goal_36) (not v_Elevator_stop_64) (or (= (+ v_Elevator_dir_24 1) 0) (<= Elevator_current Elevator_goal))) (and (or v_Elevator_newgoal_52 v_Elevator_passed_64 (not v_Elevator_start_52) v_Elevator_stop_64) (or (and (or v_Elevator_newgoal_52 v_Elevator_passed_64 v_Elevator_start_52 (not v_Elevator_stop_64)) v_Elevator_passed_64 (not v_Elevator_start_52) (not v_Elevator_newgoal_52) (= Elevator_dir v_Elevator_dir_24) (= (+ Elevator_dir Elevator_current) v_Elevator_current_41) (= Elevator_goal v_Elevator_goal_36) (not v_Elevator_stop_64)) (and (not v_Elevator_start_52) (= Elevator_goal Elevator_current) (= Elevator_current v_Elevator_current_41) (not v_Elevator_passed_64) (not v_Elevator_newgoal_52) v_Elevator_stop_64 (= Elevator_dir v_Elevator_dir_24) (= Elevator_goal v_Elevator_goal_36)))))) (and v_Elevator_newgoal_52 (not v_Elevator_start_52) (= Elevator_current v_Elevator_current_41) (not v_Elevator_passed_64) (not (= Elevator_current v_Elevator_goal_36)) (<= Elevator_min v_Elevator_goal_36) (= Elevator_dir v_Elevator_dir_24) (<= v_Elevator_goal_36 Elevator_max) (not v_Elevator_stop_64)))) (and (not v_Elevator_start_52) (= Elevator_current v_Elevator_current_41) (not v_Elevator_passed_64) (not v_Elevator_newgoal_52) (= Elevator_dir v_Elevator_dir_24) (= Elevator_goal v_Elevator_goal_36) (not v_Elevator_stop_64))) (or (and (or (= Elevator_qDC2 v_Elevator_qDC2_57) (= v_Elevator_qDC2_57 2)) (= Elevator_qDC2 1) (= Elevator_c3 v_Elevator_c3_38)) (and (not (= Elevator_qDC2 1)) (or (and (= Elevator_qDC2 2) (or (and (= Elevator_qDC2 v_Elevator_qDC2_57) (= Elevator_c3 v_Elevator_c3_38)) (and (= 0.0 v_Elevator_c3_38) (= v_Elevator_qDC2_57 3)))) (and (not (= Elevator_qDC2 2)) (= Elevator_qDC2 3) (or (and (= Elevator_qDC2 v_Elevator_qDC2_57) (not v_Elevator_stop_64)) (and (= v_Elevator_qDC2_57 1) v_Elevator_stop_64)) (= Elevator_c3 v_Elevator_c3_38))))) (exists ((v_Elevator_c3_37 Real)) (and (or (not (= v_Elevator_qDC1_34 2)) (and (= v_Elevator_qDC1_34 2) (<= (+ v_Elevator_c2_31 v_Elevator_c3_37) (+ v_Elevator_c3_38 3.0)))) (< v_Elevator_c3_38 v_Elevator_c3_37) (or (and (= v_Elevator_qDC2_57 1) (= v_Elevator_current_41 v_Elevator_goal_36)) (and (or (and (not (= v_Elevator_current_41 v_Elevator_goal_36)) (= v_Elevator_qDC2_57 2)) (and (or (not (= v_Elevator_qDC2_57 3)) (and (= v_Elevator_qDC2_57 3) (< v_Elevator_c3_37 2.0) (= v_Elevator_current_41 v_Elevator_goal_36))) (not (= v_Elevator_qDC2_57 2)))) (not (= v_Elevator_qDC2_57 1))))))))) was unknown! [2018-07-25 13:40:16,006 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:16,008 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Solver returned unknown at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.blockingPhase(Pdr.java:405) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.computePdr(Pdr.java:289) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.(Pdr.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructPdr(TraceCheckConstructor.java:275) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:130) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:309) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:151) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:120) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-07-25 13:40:16,012 INFO L168 Benchmark]: Toolchain (without parser) took 17351.19 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 224.7 MB). Peak memory consumption was 224.7 MB. Max. memory is 7.1 GB. [2018-07-25 13:40:16,013 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:40:16,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.13 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:40:16,014 INFO L168 Benchmark]: Boogie Preprocessor took 44.77 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:40:16,015 INFO L168 Benchmark]: RCFGBuilder took 1696.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-07-25 13:40:16,016 INFO L168 Benchmark]: TraceAbstraction took 15561.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 161.2 MB). Peak memory consumption was 161.2 MB. Max. memory is 7.1 GB. [2018-07-25 13:40:16,021 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.13 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.77 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1696.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15561.88 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 161.2 MB). Peak memory consumption was 161.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Solver returned unknown de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Solver returned unknown: de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.blockingPhase(Pdr.java:405) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Elevator.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-40-16-039.csv Received shutdown request...