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-Integer.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:39:58,324 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:39:58,326 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:39:58,340 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:39:58,340 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:39:58,341 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:39:58,342 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:39:58,345 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:39:58,347 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:39:58,348 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:39:58,356 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:39:58,357 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:39:58,360 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:39:58,361 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:39:58,362 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:39:58,364 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:39:58,366 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:39:58,371 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:39:58,375 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:39:58,376 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:39:58,380 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:39:58,382 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:39:58,388 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:39:58,388 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:39:58,389 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:39:58,390 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:39:58,391 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:39:58,392 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:39:58,393 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:39:58,394 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:39:58,394 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:39:58,395 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 13:39:58,395 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 13:39:58,396 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 13:39:58,397 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 13:39:58,398 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 13:39:58,399 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 13:39:58,407 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:39:58,408 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:39:58,409 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:39:58,409 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 13:39:58,410 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 13:39:58,410 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:39:58,410 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:39:58,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:39:58,499 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:39:58,505 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:39:58,507 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:39:58,507 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:39:58,508 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl [2018-07-25 13:39:58,508 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/Elevator-Integer.bpl' [2018-07-25 13:39:58,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:39:58,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:39:58,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:39:58,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:39:58,571 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:39:58,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,611 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 13:39:58,612 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 13:39:58,612 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 13:39:58,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:39:58,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:39:58,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:39:58,615 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:39:58,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/1) ... [2018-07-25 13:39:58,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:39:58,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:39:58,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:39:58,645 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:39:58,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Elevator-Integer.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 13:39:58,738 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2018-07-25 13:39:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2018-07-25 13:39:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2018-07-25 13:40:00,442 INFO L270 CfgBuilder]: Using library mode [2018-07-25 13:40:00,442 INFO L202 PluginConnector]: Adding new model Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:40:00 BoogieIcfgContainer [2018-07-25 13:40:00,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:40:00,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:40:00,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:40:00,448 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:40:00,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:39:58" (1/2) ... [2018-07-25 13:40:00,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fbcff02 and model type Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:40:00, skipping insertion in model container [2018-07-25 13:40:00,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Elevator-Integer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:40:00" (2/2) ... [2018-07-25 13:40:00,452 INFO L112 eAbstractionObserver]: Analyzing ICFG Elevator-Integer.bpl [2018-07-25 13:40:00,463 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:40:00,474 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:40:00,520 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:40:00,521 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:40:00,521 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:40:00,521 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 13:40:00,521 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:40:00,522 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:40:00,522 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:40:00,522 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 13:40:00,537 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-25 13:40:00,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 13:40:00,546 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:40:00,548 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 13:40:00,549 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ElevatorErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:40:00,555 INFO L82 PathProgramCache]: Analyzing trace with hash 35564, 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 13:40:00,580 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:40:11,601 ERROR L403 Pdr]: Internal query 20#(not (exists ((|v_Elevator_current'_57| Int) (v_Elevator_newgoal_56 Bool) (v_Elevator_passed_72 Bool) (v_Elevator_qDC1_42 Int) (v_Elevator_stop_72 Bool) (v_Elevator_qCSP_55 Int) (v_Elevator_qDC2_53 Int) (v_Elevator_timeIncrease_12 Int) (|v_Elevator_goal'_55| Int) (v_Elevator_c2_42 Int) (|v_Elevator_dir'_36| Int) (v_Elevator_c3_47 Int) (v_Elevator_start_56 Bool)) (and (or (< Elevator_max |v_Elevator_current'_57|) (< |v_Elevator_current'_57| Elevator_min)) (or (and (or (not (= |v_Elevator_goal'_55| |v_Elevator_current'_57|)) (not (= Elevator_qDC2 1))) (or (and (or (and (or (= |v_Elevator_goal'_55| |v_Elevator_current'_57|) (not (= Elevator_qDC2 2))) (or (and (= |v_Elevator_goal'_55| |v_Elevator_current'_57|) (= 0 v_Elevator_c3_47) (= v_Elevator_qDC2_53 3) (= Elevator_qDC2 2)) (and (or (and (= Elevator_qDC2 v_Elevator_qDC2_53) (not v_Elevator_stop_72) (< (+ Elevator_c3 v_Elevator_timeIncrease_12) 2) (= Elevator_qDC2 3)) (and (or (not (= Elevator_qDC2 3)) v_Elevator_stop_72) (= v_Elevator_qDC2_53 1) v_Elevator_stop_72 (= Elevator_qDC2 3))) (or (not (= Elevator_qDC2 2)) (not (= |v_Elevator_goal'_55| |v_Elevator_current'_57|))) (= (+ Elevator_c3 v_Elevator_timeIncrease_12) v_Elevator_c3_47)))) (and (= Elevator_qDC2 v_Elevator_qDC2_53) (not (= |v_Elevator_goal'_55| |v_Elevator_current'_57|)) (= Elevator_qDC2 2) (= (+ Elevator_c3 v_Elevator_timeIncrease_12) v_Elevator_c3_47))) (or (= |v_Elevator_goal'_55| |v_Elevator_current'_57|) (not (= Elevator_qDC2 1)))) (and (not (= |v_Elevator_goal'_55| |v_Elevator_current'_57|)) (= Elevator_qDC2 1) (= v_Elevator_qDC2_53 2) (= (+ Elevator_c3 v_Elevator_timeIncrease_12) v_Elevator_c3_47)))) (and (= |v_Elevator_goal'_55| |v_Elevator_current'_57|) (= Elevator_qDC2 v_Elevator_qDC2_53) (= Elevator_qDC2 1) (= (+ Elevator_c3 v_Elevator_timeIncrease_12) v_Elevator_c3_47))) (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 (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 v_Elevator_newgoal_56 (not v_Elevator_start_56) v_Elevator_passed_72 v_Elevator_stop_72 (not (= Elevator_qCSP 2))) (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 (= Elevator_qCSP v_Elevator_qCSP_55) (not v_Elevator_stop_72) (not v_Elevator_newgoal_56) (not v_Elevator_start_56) v_Elevator_passed_72 (= Elevator_qCSP 3)) (and (= v_Elevator_qCSP_55 1) (not v_Elevator_passed_72) (not v_Elevator_newgoal_56) (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 (= Elevator_qCSP v_Elevator_qCSP_55) (not v_Elevator_stop_72) (not v_Elevator_passed_72) (not v_Elevator_newgoal_56) (not v_Elevator_start_56) (= Elevator_qCSP 3)))) (and (= Elevator_qCSP 2) (not v_Elevator_stop_72) (not v_Elevator_passed_72) (not v_Elevator_newgoal_56) (= v_Elevator_qCSP_55 3) v_Elevator_start_56))) (and (= Elevator_qCSP v_Elevator_qCSP_55) (= Elevator_qCSP 2) (not v_Elevator_stop_72) (not v_Elevator_passed_72) (not v_Elevator_newgoal_56) (not v_Elevator_start_56))) (or (not v_Elevator_newgoal_56) v_Elevator_passed_72 v_Elevator_stop_72 (not (= Elevator_qCSP 1)) v_Elevator_start_56)) (and (not v_Elevator_stop_72) (not v_Elevator_passed_72) v_Elevator_newgoal_56 (not v_Elevator_start_56) (= v_Elevator_qCSP_55 2) (= Elevator_qCSP 1)))) (and (= Elevator_qCSP v_Elevator_qCSP_55) (not v_Elevator_stop_72) (not v_Elevator_passed_72) (not v_Elevator_newgoal_56) (not v_Elevator_start_56) (= Elevator_qCSP 1))) (<= 0 v_Elevator_timeIncrease_12) (or (and (<= (+ Elevator_c3 v_Elevator_timeIncrease_12) 2) (= Elevator_qDC2 3)) (not (= Elevator_qDC2 3))) (or (not (= Elevator_qDC1 2)) (and (= Elevator_qDC1 2) (<= (+ Elevator_c2 v_Elevator_timeIncrease_12) 3))) (or (and (or (not v_Elevator_passed_72) (not (= Elevator_qDC1 1))) (= (+ Elevator_c2 v_Elevator_timeIncrease_12) v_Elevator_c2_42) (or (and (or (and (= Elevator_qDC1 2) (not v_Elevator_passed_72) (< (+ Elevator_c2 v_Elevator_timeIncrease_12) 3) (= Elevator_qDC1 v_Elevator_qDC1_42)) (and (or (not (= Elevator_qDC1 2)) (<= 3 (+ Elevator_c2 v_Elevator_timeIncrease_12)) v_Elevator_passed_72) (<= 3 (+ Elevator_c2 v_Elevator_timeIncrease_12)) (= Elevator_qDC1 2) (not v_Elevator_passed_72) (= v_Elevator_qDC1_42 1))) (or v_Elevator_passed_72 (not (= Elevator_qDC1 1)))) (and (= Elevator_qDC1 1) (not v_Elevator_passed_72) (= Elevator_qDC1 v_Elevator_qDC1_42)))) (and (= 0 v_Elevator_c2_42) (= Elevator_qDC1 1) (= v_Elevator_qDC1_42 2) v_Elevator_passed_72)) (or (and (not v_Elevator_stop_72) (not v_Elevator_passed_72) (not v_Elevator_newgoal_56) (not v_Elevator_start_56) (= |v_Elevator_dir'_36| |Elevator_dir'|) (= |Elevator_current'| |v_Elevator_current'_57|) (= |v_Elevator_goal'_55| |Elevator_goal'|)) (and (or 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_passed_72) v_Elevator_newgoal_56 (not v_Elevator_start_56) (<= |v_Elevator_goal'_55| Elevator_max) (= |v_Elevator_dir'_36| |Elevator_dir'|) (= |Elevator_current'| |v_Elevator_current'_57|) (not (= |Elevator_current'| |v_Elevator_goal'_55|)) (<= Elevator_min |v_Elevator_goal'_55|)) (and (or (and (not v_Elevator_stop_72) (not v_Elevator_passed_72) (not v_Elevator_newgoal_56) (= |Elevator_current'| |v_Elevator_current'_57|) v_Elevator_start_56 (= |v_Elevator_goal'_55| |Elevator_goal'|) (or (= |v_Elevator_dir'_36| 1) (<= |Elevator_goal'| |Elevator_current'|)) (or (<= |Elevator_current'| |Elevator_goal'|) (= (+ |v_Elevator_dir'_36| 1) 0))) (and (or v_Elevator_newgoal_56 (not v_Elevator_start_56) v_Elevator_passed_72 v_Elevator_stop_72) (or (and (not v_Elevator_passed_72) (not v_Elevator_newgoal_56) (not v_Elevator_start_56) v_Elevator_stop_72 (= |v_Elevator_dir'_36| |Elevator_dir'|) (= |Elevator_current'| |v_Elevator_current'_57|) (= |v_Elevator_goal'_55| |Elevator_goal'|) (= |Elevator_current'| |Elevator_goal'|)) (and (not v_Elevator_stop_72) (not v_Elevator_newgoal_56) (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) (= |v_Elevator_dir'_36| |Elevator_dir'|) (= |v_Elevator_goal'_55| |Elevator_goal'|) (= |v_Elevator_current'_57| (+ |Elevator_current'| |Elevator_dir'|)))))) (or (not v_Elevator_newgoal_56) v_Elevator_passed_72 v_Elevator_stop_72 v_Elevator_start_56)))))))) && assume true;havoc newgoal;havoc start;havoc stop;havoc passed;current := current';goal := goal';dir := dir';havoc current';havoc goal';havoc dir';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;assume current' == current;assume goal' == goal;assume dir' == dir;ParallelCodeBlock1: assume !(!newgoal && !start && !stop && !passed);BeginParallelComposition{ParallelCodeBlock0: assume newgoal && !start && !stop && !passed;assume min <= goal';assume goal' <= max;assume goal' != current;assume current' == current;assume dir' == dir;ParallelCodeBlock1: assume !(newgoal && !start && !stop && !passed);BeginParallelComposition{ParallelCodeBlock0: assume !newgoal && start && !stop && !passed;assume goal > current ==> dir' == 1;assume goal < current ==> dir' == -1;assume current' == current;assume goal' == goal;ParallelCodeBlock1: assume !(!newgoal && start && !stop && !passed);BeginParallelComposition{ParallelCodeBlock0: assume !newgoal && !start && stop && !passed;assume goal == current;assume current' == current;assume goal' == goal;assume dir' == dir;ParallelCodeBlock1: assume !(!newgoal && !start && stop && !passed);BeginParallelComposition{ParallelCodeBlock0: assume !newgoal && !start && !stop && passed;assume current' == current + dir;assume goal' == goal;assume dir' == 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 && 10#(or (not (<= Elevator_min |Elevator_current'|)) (not (<= |Elevator_current'| Elevator_max))) was unknown! [2018-07-25 13:40:11,803 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:40:11,804 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-07-25 13:40:11,809 INFO L168 Benchmark]: Toolchain (without parser) took 13239.86 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 108.4 MB). Peak memory consumption was 108.4 MB. Max. memory is 7.1 GB. [2018-07-25 13:40:11,811 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:40:11,812 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:40:11,813 INFO L168 Benchmark]: Boogie Preprocessor took 30.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:40:11,814 INFO L168 Benchmark]: RCFGBuilder took 1797.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2018-07-25 13:40:11,815 INFO L168 Benchmark]: TraceAbstraction took 11363.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2018-07-25 13:40:11,820 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1797.69 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: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11363.92 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 44.9 MB). Peak memory consumption was 44.9 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-Integer.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-40-11-836.csv Received shutdown request...