java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-3b9210c [2019-08-06 16:50:44,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-06 16:50:44,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-06 16:50:44,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-06 16:50:44,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-06 16:50:44,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-06 16:50:44,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-06 16:50:44,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-06 16:50:44,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-06 16:50:44,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-06 16:50:44,625 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-06 16:50:44,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-06 16:50:44,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-06 16:50:44,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-06 16:50:44,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-06 16:50:44,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-06 16:50:44,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-06 16:50:44,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-06 16:50:44,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-06 16:50:44,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-06 16:50:44,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-06 16:50:44,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-06 16:50:44,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-06 16:50:44,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-06 16:50:44,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-06 16:50:44,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-06 16:50:44,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-06 16:50:44,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-06 16:50:44,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-06 16:50:44,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-06 16:50:44,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-06 16:50:44,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-06 16:50:44,647 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-06 16:50:44,648 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-06 16:50:44,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-06 16:50:44,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-06 16:50:44,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-06 16:50:44,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-06 16:50:44,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-06 16:50:44,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-06 16:50:44,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-06 16:50:44,680 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-06 16:50:44,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-06 16:50:44,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-06 16:50:44,701 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-06 16:50:44,701 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-06 16:50:44,703 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl [2019-08-06 16:50:44,703 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/ElevatorWithAssignments.bpl' [2019-08-06 16:50:44,755 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-06 16:50:44,757 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-06 16:50:44,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-06 16:50:44,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-06 16:50:44,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-06 16:50:44,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:50:44" (1/1) ... [2019-08-06 16:50:44,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:50:44" (1/1) ... [2019-08-06 16:50:44,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:50:44" (1/1) ... [2019-08-06 16:50:44,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:50:44" (1/1) ... [2019-08-06 16:50:44,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:50:44" (1/1) ... [2019-08-06 16:50:44,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:50:44" (1/1) ... [2019-08-06 16:50:44,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:50:44" (1/1) ... [2019-08-06 16:50:44,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-06 16:50:44,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-06 16:50:44,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-06 16:50:44,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-06 16:50:44,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.08 04:50:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-06 16:50:44,881 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Elevator given in one single declaration [2019-08-06 16:50:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure Elevator [2019-08-06 16:50:44,882 INFO L138 BoogieDeclarations]: Found implementation of procedure Elevator [2019-08-06 16:50:46,432 INFO L275 CfgBuilder]: Using library mode [2019-08-06 16:50:46,433 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-06 16:50:46,434 INFO L202 PluginConnector]: Adding new model ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:50:46 BoogieIcfgContainer [2019-08-06 16:50:46,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-06 16:50:46,435 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-06 16:50:46,435 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-06 16:50:46,435 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-06 16:50:46,436 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "ElevatorWithAssignments.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.08 04:50:46" (1/1) ... [2019-08-06 16:50:46,447 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-06 16:50:46,450 INFO L155 IcfgInterpreter]: Building call graph [2019-08-06 16:50:46,457 INFO L160 IcfgInterpreter]: Initial procedures are [Elevator] [2019-08-06 16:50:46,465 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-06 16:50:46,466 INFO L185 IcfgInterpreter]: Interpreting procedure Elevator with input of size 1 [2019-08-06 16:50:46,645 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-06 16:50:46,646 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-06 16:50:46,649 INFO L179 IcfgInterpreter]: Location ElevatorErr0ASSERT_VIOLATIONINVARIANTandASSERT has predicate 40#(and (or (not (<= Elevator_current Elevator_max)) (not (<= Elevator_min Elevator_current))) (or (and (or (exists ((v_Elevator_qCSP_62 Int)) (and (or (and (not Elevator_stop) (= Elevator_qCSP 2) Elevator_newgoal (= v_Elevator_qCSP_62 1) (not Elevator_start) (not Elevator_passed)) (and (or (and (or Elevator_start Elevator_passed Elevator_newgoal Elevator_stop (not (= v_Elevator_qCSP_62 2))) (or (and (not Elevator_stop) Elevator_start (not Elevator_newgoal) (= v_Elevator_qCSP_62 2) (not Elevator_passed) (= Elevator_qCSP 3)) (and (or (and (or Elevator_start Elevator_passed (not (= v_Elevator_qCSP_62 3)) Elevator_newgoal Elevator_stop) (or (and (not Elevator_stop) Elevator_passed (= v_Elevator_qCSP_62 3) (= Elevator_qCSP v_Elevator_qCSP_62) (not Elevator_newgoal) (not Elevator_start)) (and (= v_Elevator_qCSP_62 3) (or Elevator_start (not (= v_Elevator_qCSP_62 3)) Elevator_newgoal Elevator_stop (not Elevator_passed)) Elevator_stop (not Elevator_newgoal) (= Elevator_qCSP 1) (not Elevator_start) (not Elevator_passed)))) (and (not Elevator_stop) (= v_Elevator_qCSP_62 3) (= Elevator_qCSP v_Elevator_qCSP_62) (not Elevator_newgoal) (not Elevator_start) (not Elevator_passed))) (or Elevator_passed Elevator_newgoal Elevator_stop (not Elevator_start) (not (= v_Elevator_qCSP_62 2)))))) (and (not Elevator_stop) (= Elevator_qCSP v_Elevator_qCSP_62) (not Elevator_newgoal) (= v_Elevator_qCSP_62 2) (not Elevator_start) (not Elevator_passed))) (or Elevator_start Elevator_passed (not (= v_Elevator_qCSP_62 1)) Elevator_stop (not Elevator_newgoal)))) (or Elevator_start Elevator_passed (not (= v_Elevator_qCSP_62 1)) Elevator_newgoal Elevator_stop))) (and (not Elevator_stop) (not Elevator_newgoal) (= Elevator_qCSP 1) (not Elevator_start) (not Elevator_passed))) (<= 0 Elevator_timeIncrease) (exists ((v_Elevator_c3_44 Int) (v_Elevator_qDC2_54 Int)) (and (or (and (or (not (= Elevator_goal Elevator_current)) (not (= v_Elevator_qDC2_54 1))) (or (and (not (= Elevator_goal Elevator_current)) (= v_Elevator_qDC2_54 1) (= Elevator_qDC2 2) (= (+ Elevator_timeIncrease v_Elevator_c3_44) Elevator_c3)) (and (or (and (= Elevator_qDC2 v_Elevator_qDC2_54) (not (= Elevator_goal Elevator_current)) (= (+ Elevator_timeIncrease v_Elevator_c3_44) Elevator_c3) (= v_Elevator_qDC2_54 2)) (and (or (and (= Elevator_goal Elevator_current) (= 0 Elevator_c3) (= Elevator_qDC2 3) (= v_Elevator_qDC2_54 2)) (and (or (and (not Elevator_stop) (= Elevator_qDC2 v_Elevator_qDC2_54) (< (+ Elevator_timeIncrease v_Elevator_c3_44) 2) (= v_Elevator_qDC2_54 3)) (and (or (not (= v_Elevator_qDC2_54 3)) Elevator_stop) (= Elevator_qDC2 1) (= v_Elevator_qDC2_54 3) Elevator_stop)) (or (not (= Elevator_goal Elevator_current)) (not (= v_Elevator_qDC2_54 2))) (= (+ Elevator_timeIncrease v_Elevator_c3_44) Elevator_c3))) (or (= Elevator_goal Elevator_current) (not (= v_Elevator_qDC2_54 2))))) (or (= Elevator_goal Elevator_current) (not (= v_Elevator_qDC2_54 1)))))) (and (= Elevator_qDC2 v_Elevator_qDC2_54) (= Elevator_goal Elevator_current) (= v_Elevator_qDC2_54 1) (= (+ Elevator_timeIncrease v_Elevator_c3_44) Elevator_c3))) (or (and (<= (+ Elevator_timeIncrease v_Elevator_c3_44) 2) (= v_Elevator_qDC2_54 3)) (not (= v_Elevator_qDC2_54 3))))) (exists ((v_Elevator_goal_50 Int) (v_Elevator_current_62 Int) (v_Elevator_dir_35 Int)) (and (<= Elevator_min v_Elevator_current_62) (or (and (not Elevator_stop) (= Elevator_goal v_Elevator_goal_50) (= Elevator_dir v_Elevator_dir_35) (not Elevator_newgoal) (= Elevator_current v_Elevator_current_62) (not Elevator_start) (not Elevator_passed)) (and (or Elevator_start Elevator_passed Elevator_newgoal Elevator_stop) (or (and (= Elevator_goal v_Elevator_goal_50) (or Elevator_start Elevator_passed Elevator_stop (not Elevator_newgoal)) (or (and (or (and (= v_Elevator_current_62 v_Elevator_goal_50) Elevator_stop (not Elevator_newgoal) (= Elevator_current v_Elevator_current_62) (not Elevator_start) (not Elevator_passed)) (and (not Elevator_stop) (= (+ v_Elevator_current_62 v_Elevator_dir_35) Elevator_current) Elevator_passed (not Elevator_newgoal) (not Elevator_start) (or (not Elevator_stop) Elevator_start Elevator_passed Elevator_newgoal))) (= Elevator_dir v_Elevator_dir_35) (or Elevator_passed Elevator_newgoal Elevator_stop (not Elevator_start))) (and (not Elevator_stop) Elevator_start (or (= Elevator_dir (- 1)) (not (< v_Elevator_goal_50 v_Elevator_current_62))) (or (= Elevator_dir 1) (not (< v_Elevator_current_62 v_Elevator_goal_50))) (not Elevator_newgoal) (= Elevator_current v_Elevator_current_62) (not Elevator_passed)))) (and (not Elevator_stop) (not (= Elevator_goal v_Elevator_current_62)) Elevator_newgoal (<= Elevator_goal Elevator_max) (= Elevator_dir v_Elevator_dir_35) (<= Elevator_min Elevator_goal) (= Elevator_current v_Elevator_current_62) (not Elevator_start) (not Elevator_passed))))) (<= v_Elevator_current_62 Elevator_max))) (exists ((v_Elevator_c2_37 Int) (v_Elevator_qDC1_41 Int)) (and (or (and (or (not (= v_Elevator_qDC1_41 1)) (not Elevator_passed)) (or (and (or Elevator_passed (not (= v_Elevator_qDC1_41 1))) (or (and (= Elevator_qDC1 v_Elevator_qDC1_41) (= v_Elevator_qDC1_41 2) (< (+ Elevator_timeIncrease v_Elevator_c2_37) 3) (not Elevator_passed)) (and (or Elevator_passed (not (= v_Elevator_qDC1_41 2)) (not (< (+ Elevator_timeIncrease v_Elevator_c2_37) 3))) (= Elevator_qDC1 1) (= v_Elevator_qDC1_41 2) (<= 3 (+ Elevator_timeIncrease v_Elevator_c2_37)) (not Elevator_passed)))) (and (= v_Elevator_qDC1_41 1) (= Elevator_qDC1 v_Elevator_qDC1_41) (not Elevator_passed))) (= (+ Elevator_timeIncrease v_Elevator_c2_37) Elevator_c2)) (and (= v_Elevator_qDC1_41 1) Elevator_passed (= Elevator_qDC1 2) (= 0 Elevator_c2))) (or (and (<= (+ Elevator_timeIncrease v_Elevator_c2_37) 3) (= v_Elevator_qDC1_41 2)) (not (= v_Elevator_qDC1_41 2)))))) (and (= Elevator_qDC1 1) (= 0 Elevator_c2) (= Elevator_min Elevator_current) (= Elevator_qDC2 1) (= Elevator_dir 0) (= 0 Elevator_c3) (= Elevator_min Elevator_goal) (= Elevator_qCSP 1) (< Elevator_min Elevator_max)))) [2019-08-06 16:50:46,651 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-06 16:50:46,659 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-06 16:50:46,662 INFO L168 Benchmark]: Toolchain (without parser) took 1903.77 ms. Allocated memory was 132.1 MB in the beginning and 172.5 MB in the end (delta: 40.4 MB). Free memory was 107.1 MB in the beginning and 132.9 MB in the end (delta: -25.7 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2019-08-06 16:50:46,664 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-06 16:50:46,666 INFO L168 Benchmark]: Boogie Preprocessor took 49.32 ms. Allocated memory is still 132.1 MB. Free memory was 107.1 MB in the beginning and 104.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:50:46,668 INFO L168 Benchmark]: RCFGBuilder took 1626.82 ms. Allocated memory was 132.1 MB in the beginning and 172.5 MB in the end (delta: 40.4 MB). Free memory was 104.6 MB in the beginning and 142.1 MB in the end (delta: -37.6 MB). Peak memory consumption was 51.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:50:46,672 INFO L168 Benchmark]: Symbolic Interpretation took 224.42 ms. Allocated memory is still 172.5 MB. Free memory was 142.1 MB in the beginning and 132.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-06 16:50:46,677 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 48]: Unable to prove that loop invariant is valid and assertion always holds Unable to prove that loop invariant is valid and assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * 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 132.1 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.32 ms. Allocated memory is still 132.1 MB. Free memory was 107.1 MB in the beginning and 104.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1626.82 ms. Allocated memory was 132.1 MB in the beginning and 172.5 MB in the end (delta: 40.4 MB). Free memory was 104.6 MB in the beginning and 142.1 MB in the end (delta: -37.6 MB). Peak memory consumption was 51.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 224.42 ms. Allocated memory is still 172.5 MB. Free memory was 142.1 MB in the beginning and 132.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...