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/ElevatorWithAssignments.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:39:58,254 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:39:58,256 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:39:58,269 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:39:58,270 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:39:58,271 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:39:58,272 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:39:58,274 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:39:58,276 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:39:58,277 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:39:58,278 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-07-25 13:39:58,302 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 13:39:58,310 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:39:58,310 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:39:58,312 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:39:58,312 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 13:39:58,312 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 13:39:58,312 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:39:58,313 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:39:58,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:39:58,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:39:58,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:39:58,385 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:39:58,385 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:39:58,386 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2018-07-25 13:39:58,386 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2018-07-25 13:39:58,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:39:58,442 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:39:58,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:39:58,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:39:58,443 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:39:58,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,482 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 13:39:58,483 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 13:39:58,483 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 13:39:58,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:39:58,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:39:58,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:39:58,486 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:39:58,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:39:58,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:39:58,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:39:58,518 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:39:58,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.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 13:39:58,598 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-07-25 13:39:58,599 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-07-25 13:39:58,599 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-07-25 13:40:00,449 INFO L270 CfgBuilder]: Using library mode [2018-07-25 13:40:00,450 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:40:00 BoogieIcfgContainer [2018-07-25 13:40:00,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:40:00,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:40:00,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:40:00,455 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:40:00,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/2) ... [2018-07-25 13:40:00,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f9089c1 and model type ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:40:00, skipping insertion in model container [2018-07-25 13:40:00,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:40:00" (2/2) ... [2018-07-25 13:40:00,459 INFO L112 eAbstractionObserver]: Analyzing ICFG ElevatorWithAssignments.bpl [2018-07-25 13:40:00,469 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:40:00,478 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 13:40:00,521 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 13:40:00,522 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 3 [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] [2018-07-25 13:40:00,547 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ElevatorErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-07-25 13:40:00,553 INFO L82 PathProgramCache]: Analyzing trace with hash 963, 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 13:40:00,573 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:00,721 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:40:00,721 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-25 13:40:00,727 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 13:40:00,734 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 13:40:00,735 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 13:40:00,738 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-25 13:40:00,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:40:00,830 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-07-25 13:40:00,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 13:40:00,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-07-25 13:40:00,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:40:00,845 INFO L225 Difference]: With dead ends: 7 [2018-07-25 13:40:00,846 INFO L226 Difference]: Without dead ends: 5 [2018-07-25 13:40:00,850 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 13:40:00,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-25 13:40:00,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-25 13:40:00,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-25 13:40:00,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-25 13:40:00,888 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 2 [2018-07-25 13:40:00,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:40:00,889 INFO L472 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-25 13:40:00,889 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 13:40:00,889 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-25 13:40:00,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:40:00,890 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:00,890 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:40:00,891 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ElevatorErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-07-25 13:40:00,891 INFO L82 PathProgramCache]: Analyzing trace with hash 932048, 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 13:40:00,908 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:07,295 ERROR L403 Pdr]: Internal query 70#(not (exists ((v_Elevator_newgoal_56 Bool) (v_Elevator_passed_72 Bool) (v_Elevator_qDC1_38 Int) (v_Elevator_timeIncrease_8 Int) (v_Elevator_stop_72 Bool) (v_Elevator_qDC2_51 Int) (v_Elevator_qCSP_59 Int) (v_Elevator_current_59 Int) (v_Elevator_c3_41 Int) (v_Elevator_c2_34 Int) (v_Elevator_goal_47 Int) (v_Elevator_start_56 Bool) (v_Elevator_dir_32 Int)) (and (or (and (or (not v_Elevator_passed_72) (not (= Elevator_qDC1 1))) (or (and (= Elevator_qDC1 1) (not v_Elevator_passed_72) (= Elevator_qDC1 v_Elevator_qDC1_38)) (and (or (and (= Elevator_qDC1 2) (not v_Elevator_passed_72) (= Elevator_qDC1 v_Elevator_qDC1_38) (< (+ Elevator_c2 v_Elevator_timeIncrease_8) 3)) (and (<= 3 (+ Elevator_c2 v_Elevator_timeIncrease_8)) (= Elevator_qDC1 2) (not v_Elevator_passed_72) (= v_Elevator_qDC1_38 1) (or (<= 3 (+ Elevator_c2 v_Elevator_timeIncrease_8)) (not (= Elevator_qDC1 2)) v_Elevator_passed_72))) (or v_Elevator_passed_72 (not (= Elevator_qDC1 1))))) (= (+ Elevator_c2 v_Elevator_timeIncrease_8) v_Elevator_c2_34)) (and (= Elevator_qDC1 1) v_Elevator_passed_72 (= v_Elevator_qDC1_38 2) (= 0 v_Elevator_c2_34))) (or (and (or v_Elevator_newgoal_56 v_Elevator_passed_72 v_Elevator_stop_72 (not (= Elevator_qCSP 1)) v_Elevator_start_56) (or (and (or (not v_Elevator_newgoal_56) v_Elevator_passed_72 v_Elevator_stop_72 (not (= Elevator_qCSP 1)) v_Elevator_start_56) (or (and (= Elevator_qCSP 2) (not v_Elevator_stop_72) (not v_Elevator_passed_72) (not v_Elevator_newgoal_56) (not v_Elevator_start_56) (= Elevator_qCSP v_Elevator_qCSP_59)) (and (or v_Elevator_newgoal_56 v_Elevator_passed_72 v_Elevator_stop_72 (not (= Elevator_qCSP 2)) v_Elevator_start_56) (or (and (or (and (or (not (= Elevator_qCSP 3)) v_Elevator_newgoal_56 v_Elevator_passed_72 v_Elevator_stop_72 v_Elevator_start_56) (or (and (not v_Elevator_stop_72) (not v_Elevator_newgoal_56) (not v_Elevator_start_56) v_Elevator_passed_72 (= Elevator_qCSP v_Elevator_qCSP_59) (= Elevator_qCSP 3)) (and (not v_Elevator_passed_72) (not v_Elevator_newgoal_56) (= v_Elevator_qCSP_59 1) (not v_Elevator_start_56) (or (not (= Elevator_qCSP 3)) (not v_Elevator_passed_72) v_Elevator_newgoal_56 v_Elevator_stop_72 v_Elevator_start_56) v_Elevator_stop_72 (= Elevator_qCSP 3)))) (and (not v_Elevator_stop_72) (not v_Elevator_passed_72) (not v_Elevator_newgoal_56) (not v_Elevator_start_56) (= Elevator_qCSP v_Elevator_qCSP_59) (= Elevator_qCSP 3))) (or v_Elevator_newgoal_56 (not v_Elevator_start_56) v_Elevator_passed_72 v_Elevator_stop_72 (not (= Elevator_qCSP 2)))) (and (= Elevator_qCSP 2) (not v_Elevator_stop_72) (not v_Elevator_passed_72) (not v_Elevator_newgoal_56) (= v_Elevator_qCSP_59 3) v_Elevator_start_56))))) (and (not v_Elevator_stop_72) (not v_Elevator_passed_72) v_Elevator_newgoal_56 (not v_Elevator_start_56) (= Elevator_qCSP 1) (= v_Elevator_qCSP_59 2)))) (and (not v_Elevator_stop_72) (not v_Elevator_passed_72) (not v_Elevator_newgoal_56) (not v_Elevator_start_56) (= Elevator_qCSP v_Elevator_qCSP_59) (= Elevator_qCSP 1))) (or (and (<= (+ Elevator_c3 v_Elevator_timeIncrease_8) 2) (= Elevator_qDC2 3)) (not (= Elevator_qDC2 3))) (or (and (or (and (or (and (or (= v_Elevator_current_59 v_Elevator_goal_47) (not (= Elevator_qDC2 2))) (or (and (= 0 v_Elevator_c3_41) (= v_Elevator_current_59 v_Elevator_goal_47) (= v_Elevator_qDC2_51 3) (= Elevator_qDC2 2)) (and (= (+ Elevator_c3 v_Elevator_timeIncrease_8) v_Elevator_c3_41) (or (and (= v_Elevator_qDC2_51 1) (or (not (= Elevator_qDC2 3)) v_Elevator_stop_72) v_Elevator_stop_72 (= Elevator_qDC2 3)) (and (< (+ Elevator_c3 v_Elevator_timeIncrease_8) 2) (not v_Elevator_stop_72) (= Elevator_qDC2 v_Elevator_qDC2_51) (= Elevator_qDC2 3))) (or (not (= Elevator_qDC2 2)) (not (= v_Elevator_current_59 v_Elevator_goal_47)))))) (and (= Elevator_qDC2 v_Elevator_qDC2_51) (= (+ Elevator_c3 v_Elevator_timeIncrease_8) v_Elevator_c3_41) (= Elevator_qDC2 2) (not (= v_Elevator_current_59 v_Elevator_goal_47)))) (or (= v_Elevator_current_59 v_Elevator_goal_47) (not (= Elevator_qDC2 1)))) (and (= Elevator_qDC2 1) (= (+ Elevator_c3 v_Elevator_timeIncrease_8) v_Elevator_c3_41) (= v_Elevator_qDC2_51 2) (not (= v_Elevator_current_59 v_Elevator_goal_47)))) (or (not (= Elevator_qDC2 1)) (not (= v_Elevator_current_59 v_Elevator_goal_47)))) (and (= v_Elevator_current_59 v_Elevator_goal_47) (= Elevator_qDC2 v_Elevator_qDC2_51) (= Elevator_qDC2 1) (= (+ Elevator_c3 v_Elevator_timeIncrease_8) v_Elevator_c3_41))) (or (not (= Elevator_qDC1 2)) (and (<= (+ Elevator_c2 v_Elevator_timeIncrease_8) 3) (= Elevator_qDC1 2))) (or (< v_Elevator_current_59 Elevator_min) (< Elevator_max v_Elevator_current_59)) (or (and (not v_Elevator_stop_72) (not v_Elevator_passed_72) (= Elevator_goal v_Elevator_goal_47) (not v_Elevator_newgoal_56) (not v_Elevator_start_56) (= Elevator_current v_Elevator_current_59) (= Elevator_dir v_Elevator_dir_32)) (and (or (and (<= v_Elevator_goal_47 Elevator_max) (<= Elevator_min v_Elevator_goal_47) (not v_Elevator_stop_72) (not v_Elevator_passed_72) v_Elevator_newgoal_56 (not v_Elevator_start_56) (= Elevator_current v_Elevator_current_59) (= Elevator_dir v_Elevator_dir_32) (not (= Elevator_current v_Elevator_goal_47))) (and (or (and (or (<= Elevator_goal Elevator_current) (= 1 v_Elevator_dir_32)) (not v_Elevator_stop_72) (not v_Elevator_passed_72) (not v_Elevator_newgoal_56) (or (<= Elevator_current Elevator_goal) (= (+ v_Elevator_dir_32 1) 0)) (= Elevator_current v_Elevator_current_59) v_Elevator_start_56) (and (or (and (= Elevator_goal Elevator_current) (not v_Elevator_passed_72) (not v_Elevator_newgoal_56) (not v_Elevator_start_56) (= Elevator_current v_Elevator_current_59) v_Elevator_stop_72) (and (not v_Elevator_stop_72) (not v_Elevator_newgoal_56) (= (+ Elevator_dir Elevator_current) v_Elevator_current_59) (not v_Elevator_start_56) v_Elevator_passed_72 (or (not v_Elevator_stop_72) v_Elevator_newgoal_56 v_Elevator_passed_72 v_Elevator_start_56))) (or v_Elevator_newgoal_56 (not v_Elevator_start_56) v_Elevator_passed_72 v_Elevator_stop_72) (= Elevator_dir v_Elevator_dir_32))) (= Elevator_goal v_Elevator_goal_47) (or (not v_Elevator_newgoal_56) v_Elevator_passed_72 v_Elevator_stop_72 v_Elevator_start_56))) (or v_Elevator_newgoal_56 v_Elevator_passed_72 v_Elevator_stop_72 v_Elevator_start_56))) (<= 0 v_Elevator_timeIncrease_8)))) && assume true;havoc newgoal;havoc start;havoc stop;havoc passed;havoc timeIncrease;assume timeIncrease >= 0;c2 := c2 + timeIncrease;c3 := c3 + timeIncrease;BeginParallelComposition{ParallelCodeBlock0: assume qDC1 == 2;assume c2 <= 3;ParallelCodeBlock1: assume !(qDC1 == 2);}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume qDC2 == 3;assume c3 <= 2;ParallelCodeBlock1: assume !(qDC2 == 3);}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume qCSP == 1 && !newgoal && !start && !stop && !passed;ParallelCodeBlock1: assume !(qCSP == 1 && !newgoal && !start && !stop && !passed);BeginParallelComposition{ParallelCodeBlock0: assume qCSP == 1 && newgoal && !start && !stop && !passed;qCSP := 2;ParallelCodeBlock1: assume !(qCSP == 1 && newgoal && !start && !stop && !passed);BeginParallelComposition{ParallelCodeBlock0: assume qCSP == 2 && !newgoal && !start && !stop && !passed;ParallelCodeBlock1: assume !(qCSP == 2 && !newgoal && !start && !stop && !passed);BeginParallelComposition{ParallelCodeBlock0: assume qCSP == 2 && !newgoal && start && !stop && !passed;qCSP := 3;ParallelCodeBlock1: assume !(qCSP == 2 && !newgoal && start && !stop && !passed);BeginParallelComposition{ParallelCodeBlock0: assume qCSP == 3 && !newgoal && !start && !stop && !passed;ParallelCodeBlock1: assume !(qCSP == 3 && !newgoal && !start && !stop && !passed);BeginParallelComposition{ParallelCodeBlock0: assume qCSP == 3 && !newgoal && !start && !stop && passed;ParallelCodeBlock1: assume !(qCSP == 3 && !newgoal && !start && !stop && passed);BeginParallelComposition{ParallelCodeBlock0: assume qCSP == 3 && !newgoal && !start && stop && !passed;qCSP := 1;ParallelCodeBlock1: assume !(qCSP == 3 && !newgoal && !start && stop && !passed);assume false;}EndParallelComposition}EndParallelComposition}EndParallelComposition}EndParallelComposition}EndParallelComposition}EndParallelComposition}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume !newgoal && !start && !stop && !passed;ParallelCodeBlock1: assume !(!newgoal && !start && !stop && !passed);BeginParallelComposition{ParallelCodeBlock0: assume newgoal && !start && !stop && !passed;havoc goal;assume min <= goal;assume goal <= max;assume goal != current;ParallelCodeBlock1: assume !(newgoal && !start && !stop && !passed);BeginParallelComposition{ParallelCodeBlock0: assume !newgoal && start && !stop && !passed;havoc dir;assume goal > current ==> dir == 1;assume goal < current ==> dir == -1;ParallelCodeBlock1: assume !(!newgoal && start && !stop && !passed);BeginParallelComposition{ParallelCodeBlock0: assume !newgoal && !start && stop && !passed;assume goal == current;ParallelCodeBlock1: assume !(!newgoal && !start && stop && !passed);BeginParallelComposition{ParallelCodeBlock0: assume !newgoal && !start && !stop && passed;current := current + dir;ParallelCodeBlock1: assume !(!newgoal && !start && !stop && passed);assume false;}EndParallelComposition}EndParallelComposition}EndParallelComposition}EndParallelComposition}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume qDC1 == 1 && passed;c2 := 0;qDC1 := 2;ParallelCodeBlock1: assume !(qDC1 == 1 && passed);BeginParallelComposition{ParallelCodeBlock0: assume qDC1 == 1 && !passed;ParallelCodeBlock1: assume !(qDC1 == 1 && !passed);BeginParallelComposition{ParallelCodeBlock0: assume qDC1 == 2 && !passed && c2 < 3;ParallelCodeBlock1: assume !(qDC1 == 2 && !passed && c2 < 3);BeginParallelComposition{ParallelCodeBlock0: assume qDC1 == 2 && !passed && c2 >= 3;qDC1 := 1;ParallelCodeBlock1: assume !(qDC1 == 2 && !passed && c2 >= 3);assume false;}EndParallelComposition}EndParallelComposition}EndParallelComposition}EndParallelCompositionBeginParallelComposition{ParallelCodeBlock0: assume qDC2 == 1 && current == goal;ParallelCodeBlock1: assume !(qDC2 == 1 && current == goal);BeginParallelComposition{ParallelCodeBlock0: assume qDC2 == 1 && current != goal;qDC2 := 2;ParallelCodeBlock1: assume !(qDC2 == 1 && current != goal);BeginParallelComposition{ParallelCodeBlock0: assume qDC2 == 2 && current != goal;ParallelCodeBlock1: assume !(qDC2 == 2 && current != goal);BeginParallelComposition{ParallelCodeBlock0: assume qDC2 == 2 && current == goal;qDC2 := 3;c3 := 0;ParallelCodeBlock1: assume !(qDC2 == 2 && current == goal);BeginParallelComposition{ParallelCodeBlock0: assume qDC2 == 3 && !stop;assume c3 < 2;ParallelCodeBlock1: assume !(qDC2 == 3 && !stop);BeginParallelComposition{ParallelCodeBlock0: assume qDC2 == 3 && stop;qDC2 := 1;ParallelCodeBlock1: assume !(qDC2 == 3 && stop);assume false;}EndParallelComposition}EndParallelComposition}EndParallelComposition}EndParallelComposition}EndParallelComposition}EndParallelComposition && 49#(or (not (<= Elevator_current Elevator_max)) (not (<= Elevator_min Elevator_current))) was unknown! [2018-07-25 13:40:07,498 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:07,500 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-07-25 13:40:07,504 INFO L168 Benchmark]: Toolchain (without parser) took 9063.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 112.1 MB). Peak memory consumption was 112.1 MB. Max. memory is 7.1 GB. [2018-07-25 13:40:07,506 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:40:07,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.57 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:40:07,508 INFO L168 Benchmark]: Boogie Preprocessor took 31.30 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:40:07,508 INFO L168 Benchmark]: RCFGBuilder took 1932.50 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. [2018-07-25 13:40:07,509 INFO L168 Benchmark]: TraceAbstraction took 7051.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 7.1 GB. [2018-07-25 13:40:07,514 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 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 42.57 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 31.30 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 1932.50 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: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7051.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 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/ElevatorWithAssignments.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-40-07-527.csv Received shutdown request...