Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r488-tall-171631131700009.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is DatabaseWithMutex-COL-04, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r488-tall-171631131700009
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 572K
-rw-r--r-- 1 mcc users 9.9K Apr 11 18:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 102K Apr 11 18:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Apr 11 17:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Apr 11 17:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.7K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K Apr 22 14:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Apr 22 14:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Apr 11 18:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 157K Apr 11 18:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Apr 11 18:06 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Apr 11 18:06 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 22 14:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_pt
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 5 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 21K May 18 16:42 model.pnml

--------------------
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 DatabaseWithMutex-COL-04-CTLCardinality-2024-00
FORMULA_NAME DatabaseWithMutex-COL-04-CTLCardinality-2024-01
FORMULA_NAME DatabaseWithMutex-COL-04-CTLCardinality-2024-02
FORMULA_NAME DatabaseWithMutex-COL-04-CTLCardinality-2024-03
FORMULA_NAME DatabaseWithMutex-COL-04-CTLCardinality-2024-04
FORMULA_NAME DatabaseWithMutex-COL-04-CTLCardinality-2024-05
FORMULA_NAME DatabaseWithMutex-COL-04-CTLCardinality-2024-06
FORMULA_NAME DatabaseWithMutex-COL-04-CTLCardinality-2024-07
FORMULA_NAME DatabaseWithMutex-COL-04-CTLCardinality-2024-08
FORMULA_NAME DatabaseWithMutex-COL-04-CTLCardinality-2024-09
FORMULA_NAME DatabaseWithMutex-COL-04-CTLCardinality-2024-10
FORMULA_NAME DatabaseWithMutex-COL-04-CTLCardinality-2024-11
FORMULA_NAME DatabaseWithMutex-COL-04-CTLCardinality-2024-12
FORMULA_NAME DatabaseWithMutex-COL-04-CTLCardinality-2024-13
FORMULA_NAME DatabaseWithMutex-COL-04-CTLCardinality-2024-14
FORMULA_NAME DatabaseWithMutex-COL-04-CTLCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1717179475148

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DatabaseWithMutex-COL-04
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 18:17:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2024-05-31 18:17:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 18:17:56] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-05-31 18:17:56] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-31 18:17:56] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 543 ms
[2024-05-31 18:17:56] [INFO ] Imported 11 HL places and 8 HL transitions for a total of 140 PT places and 128.0 transition bindings in 14 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 22 ms.
[2024-05-31 18:17:57] [INFO ] Built PT skeleton of HLPN with 11 places and 8 transitions 22 arcs in 3 ms.
[2024-05-31 18:17:57] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 16 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 40004 steps (8 resets) in 2127 ms. (18 steps per ms) remains 63/101 properties
BEST_FIRST walk for 4002 steps (8 resets) in 75 ms. (52 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4002 steps (8 resets) in 117 ms. (33 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4002 steps (8 resets) in 110 ms. (36 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4002 steps (8 resets) in 105 ms. (37 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 65 ms. (60 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4001 steps (8 resets) in 85 ms. (46 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4002 steps (8 resets) in 46 ms. (85 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 35 ms. (111 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4001 steps (8 resets) in 22 ms. (173 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4002 steps (8 resets) in 19 ms. (200 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4001 steps (8 resets) in 22 ms. (173 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4002 steps (8 resets) in 18 ms. (210 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 29 ms. (133 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 35 ms. (111 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4002 steps (8 resets) in 19 ms. (200 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4002 steps (8 resets) in 18 ms. (210 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4002 steps (8 resets) in 19 ms. (200 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4002 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4002 steps (8 resets) in 14 ms. (266 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 32 ms. (121 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 25 ms. (153 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4001 steps (8 resets) in 34 ms. (114 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4002 steps (8 resets) in 16 ms. (235 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4002 steps (8 resets) in 29 ms. (133 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 63/63 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 63/63 properties
// Phase 1: matrix 8 rows 11 cols
[2024-05-31 18:17:58] [INFO ] Computed 4 invariants in 8 ms
Problem AtomicPropp29 is UNSAT
Problem AtomicPropp6 is UNSAT
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp8 is UNSAT
Problem AtomicPropp9 is UNSAT
Problem AtomicPropp10 is UNSAT
Problem AtomicPropp11 is UNSAT
Problem AtomicPropp12 is UNSAT
Problem AtomicPropp14 is UNSAT
Problem AtomicPropp15 is UNSAT
Problem AtomicPropp17 is UNSAT
Problem AtomicPropp20 is UNSAT
Problem AtomicPropp21 is UNSAT
Problem AtomicPropp22 is UNSAT
Problem AtomicPropp23 is UNSAT
Problem AtomicPropp24 is UNSAT
Problem AtomicPropp27 is UNSAT
Problem AtomicPropp28 is UNSAT
Problem AtomicPropp30 is UNSAT
Problem AtomicPropp31 is UNSAT
Problem AtomicPropp32 is UNSAT
Problem AtomicPropp34 is UNSAT
Problem AtomicPropp35 is UNSAT
Problem AtomicPropp36 is UNSAT
Problem AtomicPropp37 is UNSAT
Problem AtomicPropp39 is UNSAT
Problem AtomicPropp41 is UNSAT
Problem AtomicPropp43 is UNSAT
Problem AtomicPropp44 is UNSAT
Problem AtomicPropp45 is UNSAT
Problem AtomicPropp46 is UNSAT
Problem AtomicPropp47 is UNSAT
Problem AtomicPropp48 is UNSAT
Problem AtomicPropp50 is UNSAT
Problem AtomicPropp51 is UNSAT
Problem AtomicPropp52 is UNSAT
Problem AtomicPropp53 is UNSAT
Problem AtomicPropp55 is UNSAT
Problem AtomicPropp56 is UNSAT
Problem AtomicPropp59 is UNSAT
Problem AtomicPropp61 is UNSAT
Problem AtomicPropp63 is UNSAT
Problem AtomicPropp64 is UNSAT
Problem AtomicPropp65 is UNSAT
Problem AtomicPropp66 is UNSAT
Problem AtomicPropp69 is UNSAT
Problem AtomicPropp70 is UNSAT
Problem AtomicPropp73 is UNSAT
Problem AtomicPropp76 is UNSAT
Problem AtomicPropp77 is UNSAT
Problem AtomicPropp82 is UNSAT
Problem AtomicPropp84 is UNSAT
Problem AtomicPropp87 is UNSAT
Problem AtomicPropp89 is UNSAT
Problem AtomicPropp92 is UNSAT
Problem AtomicPropp93 is UNSAT
Problem AtomicPropp96 is UNSAT
Problem AtomicPropp98 is UNSAT
Problem AtomicPropp99 is UNSAT
Problem AtomicPropp100 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 3/3 constraints. Problems are: Problem set: 60 solved, 3 unsolved
Problem AtomicPropp54 is UNSAT
Problem AtomicPropp57 is UNSAT
Problem AtomicPropp67 is UNSAT
After SMT solving in domain Real declared 11/19 variables, and 4 constraints, problems are : Problem set: 63 solved, 0 unsolved in 181 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/11 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 0/0 constraints]
After SMT, in 243ms problems are : Problem set: 63 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 63 atomic propositions for a total of 16 simplifications.
FORMULA DatabaseWithMutex-COL-04-CTLCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-31 18:17:58] [INFO ] Initial state reduction rules for CTL removed 2 formulas.
[2024-05-31 18:17:58] [INFO ] Flatten gal took : 14 ms
[2024-05-31 18:17:58] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2024-05-31 18:17:58] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
FORMULA DatabaseWithMutex-COL-04-CTLCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-COL-04-CTLCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-COL-04-CTLCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DatabaseWithMutex-COL-04-CTLCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-31 18:17:58] [INFO ] Flatten gal took : 2 ms
Transition Release forces synchronizations/join behavior on parameter s of sort site
Transition Acquire forces synchronizations/join behavior on parameter f of sort file
[2024-05-31 18:17:58] [INFO ] Unfolded HLPN to a Petri net with 140 places and 128 transitions 416 arcs in 14 ms.
[2024-05-31 18:17:58] [INFO ] Unfolded 11 HLPN properties in 1 ms.
Support contains 140 out of 140 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 140/140 places, 128/128 transitions.
Applied a total of 0 rules in 8 ms. Remains 140 /140 variables (removed 0) and now considering 128/128 (removed 0) transitions.
// Phase 1: matrix 128 rows 140 cols
[2024-05-31 18:17:58] [INFO ] Computed 28 invariants in 13 ms
[2024-05-31 18:17:58] [INFO ] Implicit Places using invariants in 79 ms returned []
[2024-05-31 18:17:58] [INFO ] Invariant cache hit.
[2024-05-31 18:17:58] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
Running 112 sub problems to find dead transitions.
[2024-05-31 18:17:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/136 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/136 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/136 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 3 (OVERLAPS) 4/140 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 5/28 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 6 (OVERLAPS) 128/268 variables, 140/168 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/268 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 8 (OVERLAPS) 0/268 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 112 unsolved
No progress, stopping.
After SMT solving in domain Real declared 268/268 variables, and 168 constraints, problems are : Problem set: 0 solved, 112 unsolved in 2866 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 140/140 constraints, PredecessorRefiner: 112/112 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 112 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/136 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/136 variables, 12/19 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/136 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 3 (OVERLAPS) 4/140 variables, 4/23 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/140 variables, 5/28 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/140 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 6 (OVERLAPS) 128/268 variables, 140/168 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/268 variables, 112/280 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/268 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 9 (OVERLAPS) 0/268 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 112 unsolved
No progress, stopping.
After SMT solving in domain Int declared 268/268 variables, and 280 constraints, problems are : Problem set: 0 solved, 112 unsolved in 2892 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 140/140 constraints, PredecessorRefiner: 112/112 constraints, Known Traps: 0/0 constraints]
After SMT, in 5791ms problems are : Problem set: 0 solved, 112 unsolved
Search for dead transitions found 0 dead transitions in 5795ms
Finished structural reductions in LTL mode , in 1 iterations and 5997 ms. Remains : 140/140 places, 128/128 transitions.
Support contains 140 out of 140 places after structural reductions.
[2024-05-31 18:18:04] [INFO ] Flatten gal took : 19 ms
[2024-05-31 18:18:04] [INFO ] Flatten gal took : 15 ms
[2024-05-31 18:18:04] [INFO ] Input system was already deterministic with 128 transitions.
RANDOM walk for 40000 steps (8 resets) in 1368 ms. (29 steps per ms) remains 43/67 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 42/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4003 steps (8 resets) in 25 ms. (153 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4002 steps (8 resets) in 27 ms. (142 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4001 steps (8 resets) in 36 ms. (108 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4002 steps (8 resets) in 18 ms. (210 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4001 steps (8 resets) in 23 ms. (166 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4003 steps (8 resets) in 21 ms. (181 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4003 steps (8 resets) in 11 ms. (333 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4003 steps (8 resets) in 21 ms. (181 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4001 steps (8 resets) in 16 ms. (235 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4002 steps (8 resets) in 27 ms. (142 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4003 steps (8 resets) in 21 ms. (181 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4003 steps (8 resets) in 21 ms. (181 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4002 steps (8 resets) in 15 ms. (250 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4003 steps (8 resets) in 23 ms. (166 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4002 steps (8 resets) in 14 ms. (266 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4002 steps (8 resets) in 13 ms. (285 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 42/42 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 42/42 properties
[2024-05-31 18:18:05] [INFO ] Invariant cache hit.
Problem AtomicPropp24 is UNSAT
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp8 is UNSAT
Problem AtomicPropp9 is UNSAT
Problem AtomicPropp14 is UNSAT
Problem AtomicPropp19 is UNSAT
Problem AtomicPropp22 is UNSAT
Problem AtomicPropp23 is UNSAT
Problem AtomicPropp25 is UNSAT
Problem AtomicPropp29 is UNSAT
Problem AtomicPropp31 is UNSAT
Problem AtomicPropp33 is UNSAT
Problem AtomicPropp34 is UNSAT
Problem AtomicPropp37 is UNSAT
Problem AtomicPropp41 is UNSAT
Problem AtomicPropp42 is UNSAT
Problem AtomicPropp43 is UNSAT
Problem AtomicPropp44 is UNSAT
Problem AtomicPropp47 is UNSAT
Problem AtomicPropp55 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/140 variables, 11/11 constraints. Problems are: Problem set: 20 solved, 22 unsolved
Problem AtomicPropp6 is UNSAT
Problem AtomicPropp10 is UNSAT
Problem AtomicPropp11 is UNSAT
Problem AtomicPropp12 is UNSAT
Problem AtomicPropp15 is UNSAT
Problem AtomicPropp17 is UNSAT
Problem AtomicPropp26 is UNSAT
Problem AtomicPropp27 is UNSAT
Problem AtomicPropp28 is UNSAT
Problem AtomicPropp30 is UNSAT
Problem AtomicPropp32 is UNSAT
Problem AtomicPropp35 is UNSAT
Problem AtomicPropp39 is UNSAT
Problem AtomicPropp45 is UNSAT
Problem AtomicPropp48 is UNSAT
Problem AtomicPropp51 is UNSAT
Problem AtomicPropp54 is UNSAT
Problem AtomicPropp60 is UNSAT
Problem AtomicPropp61 is UNSAT
Problem AtomicPropp64 is UNSAT
Problem AtomicPropp65 is UNSAT
Problem AtomicPropp66 is UNSAT
After SMT solving in domain Real declared 140/268 variables, and 28 constraints, problems are : Problem set: 42 solved, 0 unsolved in 154 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 17/17 constraints, State Equation: 0/140 constraints, PredecessorRefiner: 42/42 constraints, Known Traps: 0/0 constraints]
After SMT, in 215ms problems are : Problem set: 42 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 42 atomic propositions for a total of 11 simplifications.
[2024-05-31 18:18:05] [INFO ] Flatten gal took : 9 ms
[2024-05-31 18:18:05] [INFO ] Flatten gal took : 9 ms
[2024-05-31 18:18:05] [INFO ] Input system was already deterministic with 128 transitions.
Support contains 136 out of 140 places (down from 140) after GAL structural reductions.
Computed a total of 0 stabilizing places and 0 stable transitions
Starting structural reductions in SI_CTL mode, iteration 0 : 140/140 places, 128/128 transitions.
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 16 Pre rules applied. Total rules applied 0 place count 140 transition count 112
Deduced a syphon composed of 16 places in 1 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 0 with 32 rules applied. Total rules applied 32 place count 124 transition count 112
Applied a total of 32 rules in 19 ms. Remains 124 /140 variables (removed 16) and now considering 112/128 (removed 16) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 19 ms. Remains : 124/140 places, 112/128 transitions.
[2024-05-31 18:18:05] [INFO ] Flatten gal took : 7 ms
[2024-05-31 18:18:05] [INFO ] Flatten gal took : 8 ms
[2024-05-31 18:18:05] [INFO ] Input system was already deterministic with 112 transitions.
Starting structural reductions in LTL mode, iteration 0 : 140/140 places, 128/128 transitions.
Applied a total of 0 rules in 4 ms. Remains 140 /140 variables (removed 0) and now considering 128/128 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 140/140 places, 128/128 transitions.
[2024-05-31 18:18:05] [INFO ] Flatten gal took : 8 ms
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 8 ms
[2024-05-31 18:18:06] [INFO ] Input system was already deterministic with 128 transitions.
Starting structural reductions in LTL mode, iteration 0 : 140/140 places, 128/128 transitions.
Applied a total of 0 rules in 4 ms. Remains 140 /140 variables (removed 0) and now considering 128/128 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4 ms. Remains : 140/140 places, 128/128 transitions.
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 7 ms
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 8 ms
[2024-05-31 18:18:06] [INFO ] Input system was already deterministic with 128 transitions.
Starting structural reductions in LTL mode, iteration 0 : 140/140 places, 128/128 transitions.
Applied a total of 0 rules in 6 ms. Remains 140 /140 variables (removed 0) and now considering 128/128 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 6 ms. Remains : 140/140 places, 128/128 transitions.
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 7 ms
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 7 ms
[2024-05-31 18:18:06] [INFO ] Input system was already deterministic with 128 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 140/140 places, 128/128 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 140 transition count 112
Reduce places removed 20 places and 0 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Iterating post reduction 1 with 36 rules applied. Total rules applied 52 place count 120 transition count 96
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 2 with 16 rules applied. Total rules applied 68 place count 104 transition count 96
Applied a total of 68 rules in 12 ms. Remains 104 /140 variables (removed 36) and now considering 96/128 (removed 32) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 12 ms. Remains : 104/140 places, 96/128 transitions.
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 4 ms
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 5 ms
[2024-05-31 18:18:06] [INFO ] Input system was already deterministic with 96 transitions.
Starting structural reductions in LTL mode, iteration 0 : 140/140 places, 128/128 transitions.
Applied a total of 0 rules in 3 ms. Remains 140 /140 variables (removed 0) and now considering 128/128 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3 ms. Remains : 140/140 places, 128/128 transitions.
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 6 ms
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 6 ms
[2024-05-31 18:18:06] [INFO ] Input system was already deterministic with 128 transitions.
Starting structural reductions in LTL mode, iteration 0 : 140/140 places, 128/128 transitions.
Applied a total of 0 rules in 6 ms. Remains 140 /140 variables (removed 0) and now considering 128/128 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 6 ms. Remains : 140/140 places, 128/128 transitions.
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 5 ms
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 7 ms
[2024-05-31 18:18:06] [INFO ] Input system was already deterministic with 128 transitions.
Starting structural reductions in LTL mode, iteration 0 : 140/140 places, 128/128 transitions.
Applied a total of 0 rules in 2 ms. Remains 140 /140 variables (removed 0) and now considering 128/128 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2 ms. Remains : 140/140 places, 128/128 transitions.
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 5 ms
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 7 ms
[2024-05-31 18:18:06] [INFO ] Input system was already deterministic with 128 transitions.
Starting structural reductions in LTL mode, iteration 0 : 140/140 places, 128/128 transitions.
Applied a total of 0 rules in 2 ms. Remains 140 /140 variables (removed 0) and now considering 128/128 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2 ms. Remains : 140/140 places, 128/128 transitions.
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 6 ms
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 6 ms
[2024-05-31 18:18:06] [INFO ] Input system was already deterministic with 128 transitions.
Starting structural reductions in LTL mode, iteration 0 : 140/140 places, 128/128 transitions.
Applied a total of 0 rules in 1 ms. Remains 140 /140 variables (removed 0) and now considering 128/128 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1 ms. Remains : 140/140 places, 128/128 transitions.
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 5 ms
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 6 ms
[2024-05-31 18:18:06] [INFO ] Input system was already deterministic with 128 transitions.
Starting structural reductions in LTL mode, iteration 0 : 140/140 places, 128/128 transitions.
Applied a total of 0 rules in 2 ms. Remains 140 /140 variables (removed 0) and now considering 128/128 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2 ms. Remains : 140/140 places, 128/128 transitions.
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 6 ms
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 6 ms
[2024-05-31 18:18:06] [INFO ] Input system was already deterministic with 128 transitions.
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 6 ms
[2024-05-31 18:18:06] [INFO ] Flatten gal took : 6 ms
[2024-05-31 18:18:06] [INFO ] Export to MCC of 11 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 2 ms.
[2024-05-31 18:18:06] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 140 places, 128 transitions and 416 arcs took 1 ms.
Total runtime 10015 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : DatabaseWithMutex-COL-04-CTLCardinality-2024-00
Could not compute solution for formula : DatabaseWithMutex-COL-04-CTLCardinality-2024-01
Could not compute solution for formula : DatabaseWithMutex-COL-04-CTLCardinality-2024-02
Could not compute solution for formula : DatabaseWithMutex-COL-04-CTLCardinality-2024-03
Could not compute solution for formula : DatabaseWithMutex-COL-04-CTLCardinality-2024-04
Could not compute solution for formula : DatabaseWithMutex-COL-04-CTLCardinality-2024-06
Could not compute solution for formula : DatabaseWithMutex-COL-04-CTLCardinality-2024-10
Could not compute solution for formula : DatabaseWithMutex-COL-04-CTLCardinality-2024-11
Could not compute solution for formula : DatabaseWithMutex-COL-04-CTLCardinality-2024-12
Could not compute solution for formula : DatabaseWithMutex-COL-04-CTLCardinality-2024-13
Could not compute solution for formula : DatabaseWithMutex-COL-04-CTLCardinality-2024-15

BK_STOP 1717179486675

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLCardinality -timeout 360 -rebuildPNML
mcc2024
ctl formula name DatabaseWithMutex-COL-04-CTLCardinality-2024-00
ctl formula formula --ctl=/tmp/518/ctl_0_
ctl formula name DatabaseWithMutex-COL-04-CTLCardinality-2024-01
ctl formula formula --ctl=/tmp/518/ctl_1_
ctl formula name DatabaseWithMutex-COL-04-CTLCardinality-2024-02
ctl formula formula --ctl=/tmp/518/ctl_2_
ctl formula name DatabaseWithMutex-COL-04-CTLCardinality-2024-03
ctl formula formula --ctl=/tmp/518/ctl_3_
ctl formula name DatabaseWithMutex-COL-04-CTLCardinality-2024-04
ctl formula formula --ctl=/tmp/518/ctl_4_
ctl formula name DatabaseWithMutex-COL-04-CTLCardinality-2024-06
ctl formula formula --ctl=/tmp/518/ctl_5_
ctl formula name DatabaseWithMutex-COL-04-CTLCardinality-2024-10
ctl formula formula --ctl=/tmp/518/ctl_6_
ctl formula name DatabaseWithMutex-COL-04-CTLCardinality-2024-11
ctl formula formula --ctl=/tmp/518/ctl_7_
ctl formula name DatabaseWithMutex-COL-04-CTLCardinality-2024-12
ctl formula formula --ctl=/tmp/518/ctl_8_
ctl formula name DatabaseWithMutex-COL-04-CTLCardinality-2024-13
ctl formula formula --ctl=/tmp/518/ctl_9_
ctl formula name DatabaseWithMutex-COL-04-CTLCardinality-2024-15
ctl formula formula --ctl=/tmp/518/ctl_10_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc

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="DatabaseWithMutex-COL-04"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# 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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is DatabaseWithMutex-COL-04, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r488-tall-171631131700009"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DatabaseWithMutex-COL-04.tgz
mv DatabaseWithMutex-COL-04 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;