Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Waiting for the VM to be ready (probing ssh)
..............................................
=====================================================================
Generated by BenchKit 2-2265
Executing tool itstools
Input is S_ResAllocation-PT-R003C100, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r215st-ebro-143344922801117
=====================================================================

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME ResAllocation-PT-R003C100-ReachabilityFireability-0
FORMULA_NAME ResAllocation-PT-R003C100-ReachabilityFireability-1
FORMULA_NAME ResAllocation-PT-R003C100-ReachabilityFireability-10
FORMULA_NAME ResAllocation-PT-R003C100-ReachabilityFireability-11
FORMULA_NAME ResAllocation-PT-R003C100-ReachabilityFireability-12
FORMULA_NAME ResAllocation-PT-R003C100-ReachabilityFireability-13
FORMULA_NAME ResAllocation-PT-R003C100-ReachabilityFireability-14
FORMULA_NAME ResAllocation-PT-R003C100-ReachabilityFireability-15
FORMULA_NAME ResAllocation-PT-R003C100-ReachabilityFireability-2
FORMULA_NAME ResAllocation-PT-R003C100-ReachabilityFireability-3
FORMULA_NAME ResAllocation-PT-R003C100-ReachabilityFireability-4
FORMULA_NAME ResAllocation-PT-R003C100-ReachabilityFireability-5
FORMULA_NAME ResAllocation-PT-R003C100-ReachabilityFireability-6
FORMULA_NAME ResAllocation-PT-R003C100-ReachabilityFireability-7
FORMULA_NAME ResAllocation-PT-R003C100-ReachabilityFireability-8
FORMULA_NAME ResAllocation-PT-R003C100-ReachabilityFireability-9

=== Now, execution of the tool begins

BK_START 1433641312215

FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-13 FALSE TECHNIQUES TOPOLOGICAL
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-9 FALSE TECHNIQUES TOPOLOGICAL
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-6 FALSE TECHNIQUES TOPOLOGICAL
work folder: /home/mcc/execution
unsat
unsat
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-0 TRUE TECHNIQUES DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL CEGAR
work folder: /home/mcc/execution
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-1 FALSE TECHNIQUES DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL CEGAR
work folder: /home/mcc/execution
unsat
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-2 TRUE TECHNIQUES DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL CEGAR
work folder: /home/mcc/execution
Reachability property ResAllocation-PT-R003C100-ReachabilityFireability-0 is true.
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-0 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property ResAllocation-PT-R003C100-ReachabilityFireability-1 does not hold.
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-1 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property ResAllocation-PT-R003C100-ReachabilityFireability-2 is true.
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-2 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property ResAllocation-PT-R003C100-ReachabilityFireability-3 is true.
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-3 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property ResAllocation-PT-R003C100-ReachabilityFireability-4 is true.
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-4 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property ResAllocation-PT-R003C100-ReachabilityFireability-5 is true.
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-5 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property ResAllocation-PT-R003C100-ReachabilityFireability-7 is true.
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-7 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property ResAllocation-PT-R003C100-ReachabilityFireability-8 is true.
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-8 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property ResAllocation-PT-R003C100-ReachabilityFireability-10 is true.
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property ResAllocation-PT-R003C100-ReachabilityFireability-11 is true.
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property ResAllocation-PT-R003C100-ReachabilityFireability-12 does not hold.
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property ResAllocation-PT-R003C100-ReachabilityFireability-14 is true.
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property ResAllocation-PT-R003C100-ReachabilityFireability-15 is true.
FORMULA ResAllocation-PT-R003C100-ReachabilityFireability-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
work folder: /home/mcc/execution

BK_STOP 1433641332506

--------------------
content from stderr:

Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=512m; support was removed in 8.0
Jun 07, 2015 1:41:56 AM fr.lip6.move.gal.application.Application transformPNML
INFO: Parsing pnml file : /home/mcc/execution/model.pnml
Jun 07, 2015 1:41:56 AM fr.lip6.move.gal.nupn.PTNetReader loadFromXML
INFO: Load time of PNML (sax parser for PT used): 180 ms
Jun 07, 2015 1:41:56 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 600 places.
Jun 07, 2015 1:41:56 AM fr.lip6.move.gal.pnml.togal.PTGALTransformer handlePage
INFO: Transformed 400 transitions.
Jun 07, 2015 1:41:57 AM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property ResAllocation-PT-R003C100-ReachabilityFireability-6 is trivially false : it is not verified in initial state.
Jun 07, 2015 1:41:57 AM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property ResAllocation-PT-R003C100-ReachabilityFireability-9 is trivially false : it is not verified in initial state.
Jun 07, 2015 1:41:57 AM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property ResAllocation-PT-R003C100-ReachabilityFireability-13 is trivially false : it is not verified in initial state.
Jun 07, 2015 1:41:57 AM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property ResAllocation-PT-R003C100-ReachabilityFireability-6 is trivially false : it is not verified in initial state.
Jun 07, 2015 1:41:57 AM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property ResAllocation-PT-R003C100-ReachabilityFireability-9 is trivially false : it is not verified in initial state.
Jun 07, 2015 1:41:57 AM fr.lip6.move.gal.instantiate.PropertySimplifier rewriteWithInitialState
INFO: Invariant property ResAllocation-PT-R003C100-ReachabilityFireability-13 is trivially false : it is not verified in initial state.
Jun 07, 2015 1:41:57 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 341 ms
Jun 07, 2015 1:41:57 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/ReachabilityFireability.gal : 51 ms
Jun 07, 2015 1:41:57 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: No display to refresh.
Jun 07, 2015 1:41:57 AM fr.lip6.move.serialization.SerializationUtil serializePropertiesForITSTools
INFO: Time to serialize properties into /home/mcc/execution/ReachabilityFireability.prop : 1 ms
Jun 07, 2015 1:41:58 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 543 ms
Jun 07, 2015 1:41:58 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 506 ms
Jun 07, 2015 1:41:58 AM fr.lip6.move.gal.cegar.support.SupportManager computeSupport
INFO: For property ResAllocation-PT-R003C100-ReachabilityFireability-0:[reachable] : (((((p_48_2>=1)||(((p_30_1>=1)&&(r_30_2>=1))&&(r_29_2>=1)))||(!((r_81_2>=1)&&(r_80_2>=1))))&&(((r_63_0>=1)&&(p_63_1>=1))&&(r_62_0>=1)))||(((((r_53_2>=1)&&(r_52_2>=1))||(((p_26_1>=1)&&(r_26_2>=1))&&(r_25_2>=1)))&&(((r_79_1>=1)&&(p_79_2>=1))&&(r_78_1>=1)))&&((!(p_67_0>=1))&&(((p_76_1>=1)&&(r_76_2>=1))&&(r_75_2>=1))))) found Support [p_48_2, p_30_1, r_30_2, r_29_2, r_81_2, r_80_2, r_63_0, p_63_1, r_62_0, r_53_2, r_52_2, p_26_1, r_26_2, r_25_2, r_79_1, p_79_2, r_78_1, p_67_0, p_76_1, r_76_2, r_75_2]
Jun 07, 2015 1:41:58 AM fr.lip6.move.gal.cegar.support.SupportManager computeSupport
INFO: Computing abstraction support, depth 0, found support 21
Jun 07, 2015 1:41:58 AM fr.lip6.move.gal.cegar.abstractor.BoundComputer compute
INFO: Bounding GAL to K = 1
Jun 07, 2015 1:41:58 AM fr.lip6.move.gal.cegar.abstractor.VariablesAbstractor abstractUsingSupport
INFO: Abstracting GAL, removed 579 / 600 variable(s)
Jun 07, 2015 1:41:58 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Checking abstraction for property ResAllocation-PT-R003C100-ReachabilityFireability-0(refined 0 times)...
Jun 07, 2015 1:41:58 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -reachable on the abstraction...
Jun 07, 2015 1:41:58 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 68 ms
Jun 07, 2015 1:41:58 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 2 ms
Jun 07, 2015 1:42:00 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 1550 ms
Jun 07, 2015 1:42:00 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Found trace: [t_30_1, t_63_2]
Jun 07, 2015 1:42:00 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -trace [t_30_1, t_63_2] on the original GAL...
Jun 07, 2015 1:42:00 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 183 ms
Jun 07, 2015 1:42:00 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 7 ms
Jun 07, 2015 1:42:00 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 749 ms
Jun 07, 2015 1:42:00 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Transition t_30_1 couldn't be replayed on the original GAL
Jun 07, 2015 1:42:00 AM fr.lip6.move.gal.cegar.abstractor.SupportBasedAbstractor refine
INFO: Using failed transition t_30_1 to refine the abstraction...
Jun 07, 2015 1:42:01 AM fr.lip6.move.gal.cegar.abstractor.BoundComputer compute
INFO: Bounding GAL to K = 1
Jun 07, 2015 1:42:01 AM fr.lip6.move.gal.cegar.abstractor.VariablesAbstractor abstractUsingSupport
INFO: Abstracting GAL, removed 576 / 600 variable(s)
Jun 07, 2015 1:42:01 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Checking abstraction for property ResAllocation-PT-R003C100-ReachabilityFireability-0(refined 1 times)...
Jun 07, 2015 1:42:01 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -reachable on the abstraction...
Jun 07, 2015 1:42:01 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 37 ms
Jun 07, 2015 1:42:01 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 2 ms
Jun 07, 2015 1:42:01 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 233 ms
Jun 07, 2015 1:42:01 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Found trace: [t_48_2, t_63_2]
Jun 07, 2015 1:42:01 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -trace [t_48_2, t_63_2] on the original GAL...
Jun 07, 2015 1:42:01 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 239 ms
Jun 07, 2015 1:42:01 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 11 ms
Jun 07, 2015 1:42:01 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 642 ms
Jun 07, 2015 1:42:01 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Transition t_48_2 couldn't be replayed on the original GAL
Jun 07, 2015 1:42:01 AM fr.lip6.move.gal.cegar.abstractor.SupportBasedAbstractor refine
INFO: Using failed transition t_48_2 to refine the abstraction...
Jun 07, 2015 1:42:01 AM fr.lip6.move.gal.cegar.abstractor.BoundComputer compute
INFO: Bounding GAL to K = 1
Jun 07, 2015 1:42:02 AM fr.lip6.move.gal.cegar.abstractor.VariablesAbstractor abstractUsingSupport
INFO: Abstracting GAL, removed 573 / 600 variable(s)
Jun 07, 2015 1:42:02 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Checking abstraction for property ResAllocation-PT-R003C100-ReachabilityFireability-0(refined 2 times)...
Jun 07, 2015 1:42:02 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -reachable on the abstraction...
Jun 07, 2015 1:42:02 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 126 ms
Jun 07, 2015 1:42:02 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 3 ms
Jun 07, 2015 1:42:02 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 442 ms
Jun 07, 2015 1:42:02 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Found trace: [t_63_2, t_80_2]
Jun 07, 2015 1:42:02 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -trace [t_63_2, t_80_2] on the original GAL...
Jun 07, 2015 1:42:02 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 135 ms
Jun 07, 2015 1:42:02 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 15 ms
Jun 07, 2015 1:42:03 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 505 ms
Jun 07, 2015 1:42:03 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Transition t_63_2 couldn't be replayed on the original GAL
Jun 07, 2015 1:42:03 AM fr.lip6.move.gal.cegar.abstractor.SupportBasedAbstractor refine
INFO: Using failed transition t_63_2 to refine the abstraction...
Jun 07, 2015 1:42:03 AM fr.lip6.move.gal.cegar.abstractor.BoundComputer compute
INFO: Bounding GAL to K = 1
Jun 07, 2015 1:42:03 AM fr.lip6.move.gal.cegar.abstractor.VariablesAbstractor abstractUsingSupport
INFO: Abstracting GAL, removed 570 / 600 variable(s)
Jun 07, 2015 1:42:03 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Checking abstraction for property ResAllocation-PT-R003C100-ReachabilityFireability-0(refined 3 times)...
Jun 07, 2015 1:42:03 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -reachable on the abstraction...
Jun 07, 2015 1:42:03 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 32 ms
Jun 07, 2015 1:42:03 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 3 ms
Jun 07, 2015 1:42:03 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd checkProperties
INFO: SMT solution for property ResAllocation-PT-R003C100-ReachabilityFireability-0(UNSAT) depth K=1 took 5173 ms
Jun 07, 2015 1:42:03 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 298 ms
Jun 07, 2015 1:42:03 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Found trace: [t_76_1, t_79_3]
Jun 07, 2015 1:42:03 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -trace [t_76_1, t_79_3] on the original GAL...
Jun 07, 2015 1:42:03 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 188 ms
Jun 07, 2015 1:42:03 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 17 ms
Jun 07, 2015 1:42:05 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 1531 ms
Jun 07, 2015 1:42:05 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Transition t_76_1 couldn't be replayed on the original GAL
Jun 07, 2015 1:42:05 AM fr.lip6.move.gal.cegar.abstractor.SupportBasedAbstractor refine
INFO: Using failed transition t_76_1 to refine the abstraction...
Jun 07, 2015 1:42:05 AM fr.lip6.move.gal.cegar.abstractor.BoundComputer compute
INFO: Bounding GAL to K = 1
Jun 07, 2015 1:42:05 AM fr.lip6.move.gal.cegar.abstractor.VariablesAbstractor abstractUsingSupport
INFO: Abstracting GAL, removed 567 / 600 variable(s)
Jun 07, 2015 1:42:05 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Checking abstraction for property ResAllocation-PT-R003C100-ReachabilityFireability-0(refined 4 times)...
Jun 07, 2015 1:42:05 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -reachable on the abstraction...
Jun 07, 2015 1:42:05 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 44 ms
Jun 07, 2015 1:42:05 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 2 ms
Jun 07, 2015 1:42:06 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 956 ms
Jun 07, 2015 1:42:06 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Found trace: [t_63_3, t_63_2, t_80_2]
Jun 07, 2015 1:42:06 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -trace [t_63_3, t_63_2, t_80_2] on the original GAL...
Jun 07, 2015 1:42:06 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 119 ms
Jun 07, 2015 1:42:06 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 17 ms
Jun 07, 2015 1:42:06 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 570 ms
Jun 07, 2015 1:42:06 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Transition t_80_2 couldn't be replayed on the original GAL
Jun 07, 2015 1:42:06 AM fr.lip6.move.gal.cegar.abstractor.SupportBasedAbstractor refine
INFO: Using failed transition t_80_2 to refine the abstraction...
Jun 07, 2015 1:42:06 AM fr.lip6.move.gal.cegar.abstractor.BoundComputer compute
INFO: Bounding GAL to K = 1
Jun 07, 2015 1:42:06 AM fr.lip6.move.gal.cegar.abstractor.VariablesAbstractor abstractUsingSupport
INFO: Abstracting GAL, removed 565 / 600 variable(s)
Jun 07, 2015 1:42:06 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Checking abstraction for property ResAllocation-PT-R003C100-ReachabilityFireability-0(refined 5 times)...
Jun 07, 2015 1:42:06 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -reachable on the abstraction...
Jun 07, 2015 1:42:06 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 23 ms
Jun 07, 2015 1:42:06 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 3 ms
Jun 07, 2015 1:42:07 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd checkProperties
INFO: SMT solution for property ResAllocation-PT-R003C100-ReachabilityFireability-1(UNSAT) depth K=1 took 3866 ms
Jun 07, 2015 1:42:07 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 966 ms
Jun 07, 2015 1:42:07 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Found trace: [t_63_3, t_63_2, t_81_3]
Jun 07, 2015 1:42:07 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -trace [t_63_3, t_63_2, t_81_3] on the original GAL...
Jun 07, 2015 1:42:07 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 129 ms
Jun 07, 2015 1:42:07 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 5 ms
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 454 ms
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: A valid concrete trace has been found by model-checking the abstraction after 5 refinement steps.
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.support.SupportManager computeSupport
INFO: For property ResAllocation-PT-R003C100-ReachabilityFireability-1:[invariant] : ((((!(((r_83_1>=1)&&(p_83_2>=1))&&(r_82_1>=1)))||((((p_14_0>=1)&&(r_14_1>=1))&&(r_13_1>=1))||(p_73_0>=1)))&&(((r_57_2>=1)&&(r_56_2>=1))||(((r_85_2>=1)&&(r_84_2>=1))||(p_48_2>=1))))||((r_92_0>=1)&&(r_91_0>=1))) found Support [r_83_1, p_83_2, r_82_1, p_14_0, r_14_1, r_13_1, p_73_0, r_57_2, r_56_2, r_85_2, r_84_2, p_48_2, r_92_0, r_91_0]
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.support.SupportManager computeSupport
INFO: Computing abstraction support, depth 0, found support 14
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.abstractor.BoundComputer compute
INFO: Bounding GAL to K = 1
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.abstractor.VariablesAbstractor abstractUsingSupport
INFO: Abstracting GAL, removed 586 / 600 variable(s)
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Checking abstraction for property ResAllocation-PT-R003C100-ReachabilityFireability-1(refined 0 times)...
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -reachable on the abstraction...
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 8 ms
Jun 07, 2015 1:42:08 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 2 ms
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 108 ms
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Found trace: [t_83_3, t_91_1]
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -trace [t_83_3, t_91_1] on the original GAL...
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 207 ms
Jun 07, 2015 1:42:08 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 12 ms
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 729 ms
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Transition t_91_1 couldn't be replayed on the original GAL
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.abstractor.SupportBasedAbstractor refine
INFO: Using failed transition t_91_1 to refine the abstraction...
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.abstractor.BoundComputer compute
INFO: Bounding GAL to K = 1
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.abstractor.VariablesAbstractor abstractUsingSupport
INFO: Abstracting GAL, removed 584 / 600 variable(s)
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Checking abstraction for property ResAllocation-PT-R003C100-ReachabilityFireability-1(refined 1 times)...
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -reachable on the abstraction...
Jun 07, 2015 1:42:08 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 8 ms
Jun 07, 2015 1:42:09 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 1 ms
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 90 ms
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Found trace: [t_83_3, t_92_0]
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -trace [t_83_3, t_92_0] on the original GAL...
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 102 ms
Jun 07, 2015 1:42:09 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 3 ms
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 427 ms
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: A valid concrete trace has been found by model-checking the abstraction after 1 refinement steps.
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.cegar.support.SupportManager computeSupport
INFO: For property ResAllocation-PT-R003C100-ReachabilityFireability-2:[reachable] : ((((r_75_1>=1)&&(p_75_2>=1))&&(r_74_1>=1))&&(((((p_58_0>=1)&&(r_58_1>=1))&&(r_57_1>=1))||(((r_29_2>=1)&&(r_28_2>=1))&&((r_70_0>=1)&&(r_69_0>=1))))&&(((((p_72_1>=1)&&(r_72_2>=1))&&(r_71_2>=1))||(((p_68_0>=1)&&(r_68_1>=1))&&(r_67_1>=1)))&&(((r_11_2>=1)&&(r_10_2>=1))&&(((p_50_1>=1)&&(r_50_2>=1))&&(r_49_2>=1)))))) found Support [r_75_1, p_75_2, r_74_1, p_58_0, r_58_1, r_57_1, r_29_2, r_28_2, r_70_0, r_69_0, p_72_1, r_72_2, r_71_2, p_68_0, r_68_1, r_67_1, r_11_2, r_10_2, p_50_1, r_50_2, r_49_2]
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.cegar.support.SupportManager computeSupport
INFO: Computing abstraction support, depth 0, found support 21
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.cegar.abstractor.BoundComputer compute
INFO: Bounding GAL to K = 1
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.cegar.abstractor.VariablesAbstractor abstractUsingSupport
INFO: Abstracting GAL, removed 579 / 600 variable(s)
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Checking abstraction for property ResAllocation-PT-R003C100-ReachabilityFireability-2(refined 0 times)...
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -reachable on the abstraction...
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 11 ms
Jun 07, 2015 1:42:09 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 1 ms
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 150 ms
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Found trace: [t_50_1, t_68_0, t_75_3]
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -trace [t_50_1, t_68_0, t_75_3] on the original GAL...
Jun 07, 2015 1:42:09 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 105 ms
Jun 07, 2015 1:42:09 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 4 ms
Jun 07, 2015 1:42:10 AM fr.lip6.move.gal.gal2smt.Gal2SMTFrontEnd checkProperties
INFO: SMT solution for property ResAllocation-PT-R003C100-ReachabilityFireability-2(UNSAT) depth K=1 took 2808 ms
Jun 07, 2015 1:42:10 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 491 ms
Jun 07, 2015 1:42:10 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Transition t_50_1 couldn't be replayed on the original GAL
Jun 07, 2015 1:42:10 AM fr.lip6.move.gal.cegar.abstractor.SupportBasedAbstractor refine
INFO: Using failed transition t_50_1 to refine the abstraction...
Jun 07, 2015 1:42:10 AM fr.lip6.move.gal.cegar.abstractor.BoundComputer compute
INFO: Bounding GAL to K = 1
Jun 07, 2015 1:42:10 AM fr.lip6.move.gal.cegar.abstractor.VariablesAbstractor abstractUsingSupport
INFO: Abstracting GAL, removed 576 / 600 variable(s)
Jun 07, 2015 1:42:10 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Checking abstraction for property ResAllocation-PT-R003C100-ReachabilityFireability-2(refined 1 times)...
Jun 07, 2015 1:42:10 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -reachable on the abstraction...
Jun 07, 2015 1:42:10 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 14 ms
Jun 07, 2015 1:42:10 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 8 ms
Jun 07, 2015 1:42:10 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 446 ms
Jun 07, 2015 1:42:10 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Found trace: [t_50_0, t_50_1, t_68_0, t_75_3]
Jun 07, 2015 1:42:10 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -trace [t_50_0, t_50_1, t_68_0, t_75_3] on the original GAL...
Jun 07, 2015 1:42:10 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 97 ms
Jun 07, 2015 1:42:10 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 4 ms
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 449 ms
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: A valid concrete trace has been found by model-checking the abstraction after 1 refinement steps.
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.support.SupportManager computeSupport
INFO: For property ResAllocation-PT-R003C100-ReachabilityFireability-3:[reachable] : (((r_33_0>=1)&&(p_33_1>=1))&&(r_32_0>=1)) found Support [r_33_0, p_33_1, r_32_0]
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.support.SupportManager computeSupport
INFO: Computing abstraction support, depth 0, found support 3
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.abstractor.BoundComputer compute
INFO: Bounding GAL to K = 1
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.abstractor.VariablesAbstractor abstractUsingSupport
INFO: Abstracting GAL, removed 597 / 600 variable(s)
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Checking abstraction for property ResAllocation-PT-R003C100-ReachabilityFireability-3(refined 0 times)...
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -reachable on the abstraction...
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 2 ms
Jun 07, 2015 1:42:11 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 1 ms
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 35 ms
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Found trace: [t_33_2]
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -trace [t_33_2] on the original GAL...
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 116 ms
Jun 07, 2015 1:42:11 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 4 ms
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 425 ms
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Transition t_33_2 couldn't be replayed on the original GAL
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.abstractor.SupportBasedAbstractor refine
INFO: Using failed transition t_33_2 to refine the abstraction...
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.abstractor.BoundComputer compute
INFO: Bounding GAL to K = 1
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.abstractor.VariablesAbstractor abstractUsingSupport
INFO: Abstracting GAL, removed 594 / 600 variable(s)
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Checking abstraction for property ResAllocation-PT-R003C100-ReachabilityFireability-3(refined 1 times)...
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -reachable on the abstraction...
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 4 ms
Jun 07, 2015 1:42:11 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 1 ms
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.checkers.ITSLauncher run
INFO: Run of its-reach took 40 ms
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Found trace: [t_33_3, t_33_2]
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.cegar.checkers.CEGARChecker check
INFO: Running its-reach -trace [t_33_3, t_33_2] on the original GAL...
Jun 07, 2015 1:42:11 AM fr.lip6.move.gal.instantiate.GALRewriter flatten
INFO: Flatten gal took : 95 ms
Jun 07, 2015 1:42:11 AM fr.lip6.move.serialization.SerializationUtil systemToFile
INFO: Time to serialize gal into /home/mcc/execution/work/abstract.gal : 7 ms
java.lang.IllegalThreadStateException: process hasn't exited
at java.lang.UNIXProcess.exitValue(UNIXProcess.java:421)
at fr.lip6.move.gal.itstools.ProcessController.execute(ProcessController.java:125)
at fr.lip6.move.gal.cegar.checkers.ITSLauncher.run(ITSLauncher.java:99)
at fr.lip6.move.gal.cegar.checkers.ITSLauncher.run(ITSLauncher.java:56)
at fr.lip6.move.gal.cegar.checkers.ITSTraceChecker.check(ITSTraceChecker.java:33)
at fr.lip6.move.gal.cegar.checkers.CEGARChecker.check(CEGARChecker.java:70)
at fr.lip6.move.gal.cegar.frontend.CegarFrontEnd.processGal(CegarFrontEnd.java:24)
at fr.lip6.move.gal.application.Application$3.run(Application.java:354)
at java.lang.Thread.run(Thread.java:745)
Jun 07, 2015 1:42:12 AM fr.lip6.move.gal.application.Application$3 run
WARNING: Aborting CEGAR check of property ResAllocation-PT-R003C100-ReachabilityFireability-3 due to an exception when running procedure.
Jun 07, 2015 1:42:12 AM fr.lip6.move.gal.cegar.support.SupportManager computeSupport
INFO: For property ResAllocation-PT-R003C100-ReachabilityFireability-4:[reachable] : (p_20_2>=1) found Support [p_20_2]
Jun 07, 2015 1:42:12 AM fr.lip6.move.gal.cegar.support.SupportManager computeSupport
INFO: Computing abstraction support, depth 0, found support 1
Jun 07, 2015 1:42:12 AM fr.lip6.move.gal.cegar.abstractor.BoundComputer compute
INFO: Bounding GAL to K = 1

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="S_ResAllocation-PT-R003C100"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/users/gast00/fkordon/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

tar xzf /home/mcc/BenchKit/INPUTS/S_ResAllocation-PT-R003C100.tgz
mv S_ResAllocation-PT-R003C100 execution

# this is for BenchKit: explicit launching of the test

cd execution
echo "====================================================================="
echo " Generated by BenchKit 2-2265"
echo " Executing tool itstools"
echo " Input is S_ResAllocation-PT-R003C100, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r215st-ebro-143344922801117"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityFireability" = "ReachabilityComputeBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;