About the Execution of 2024-gold for Peterson-COL-4
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
15692.890 | 1800000.00 | 2386371.00 | 5188.00 | [undef] | Time out reached |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r154-tall-174876825500354.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is Peterson-COL-4, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r154-tall-174876825500354
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 460K
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 2 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 44K May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
FORMULA_NAME Liveness
=== Now, execution of the tool begins
BK_START 1748843491158
Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Peterson-COL-4
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-02 05:51:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2025-06-02 05:51:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 05:51:32] [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.
[2025-06-02 05:51:32] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-02 05:51:33] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 546 ms
[2025-06-02 05:51:33] [INFO ] Imported 11 HL places and 14 HL transitions for a total of 500 PT places and 795.0 transition bindings in 17 ms.
[2025-06-02 05:51:33] [INFO ] Built PT skeleton of HLPN with 11 places and 14 transitions 42 arcs in 3 ms.
[2025-06-02 05:51:33] [INFO ] Skeletonized 0 HLPN properties in 0 ms.
[2025-06-02 05:51:33] [INFO ] Unfolded HLPN to a Petri net with 500 places and 730 transitions 2280 arcs in 32 ms.
[2025-06-02 05:51:33] [INFO ] Unfolded 0 HLPN properties in 0 ms.
[2025-06-02 05:51:33] [INFO ] Unfolded HLPN to a Petri net with 500 places and 730 transitions 2280 arcs in 8 ms.
[2025-06-02 05:51:33] [INFO ] Unfolded 14 HLPN properties in 1 ms.
[2025-06-02 05:51:33] [INFO ] Built PT skeleton of HLPN with 11 places and 14 transitions 42 arcs in 0 ms.
[2025-06-02 05:51:33] [INFO ] Skeletonized 14 HLPN properties in 1 ms.
Reduce places removed 2 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Domain [Process(5), Tour(4), Process(5)] of place BeginLoop breaks symmetries in sort Process
Arc [2:1*[$i, (MOD (ADD $j 1) 4)]] contains successor/predecessor on variables of sort Tour
Symmetric sort wr.t. initial and guards and successors and join/free detected :Bool
Arc [1:1*[$i, 0]] contains constants of sort Bool
Transition Ask : constants on arcs in [[1:1*[$i, 0]]] introduces in Bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2025-06-02 05:51:33] [INFO ] Unfolded HLPN to a Petri net with 500 places and 730 transitions 2280 arcs in 18 ms.
[2025-06-02 05:51:33] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Deduced a syphon composed of 20 places in 5 ms
Reduce places removed 20 places and 40 transitions.
Built sparse matrix representations for Structural reductions in 3 ms.24445KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 480/480 places, 690/690 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 37 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 47 ms. Remains : 480/480 places, 690/690 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 480/480 places, 690/690 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 27 ms. Remains 480 /480 variables (removed 0) and now considering 690/690 (removed 0) transitions.
[2025-06-02 05:51:33] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
// Phase 1: matrix 630 rows 480 cols
[2025-06-02 05:51:33] [INFO ] Computed 19 invariants in 25 ms
[2025-06-02 05:51:33] [INFO ] Implicit Places using invariants in 232 ms returned []
[2025-06-02 05:51:33] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-02 05:51:33] [INFO ] Invariant cache hit.
[2025-06-02 05:51:33] [INFO ] State equation strengthened by 116 read => feed constraints.
[2025-06-02 05:51:33] [INFO ] Implicit Places using invariants and state equation in 327 ms returned []
Implicit Place search using SMT with State Equation took 589 ms to find 0 implicit places.
[2025-06-02 05:51:34] [INFO ] Redundant transitions in 31 ms returned []
Running 685 sub problems to find dead transitions.
[2025-06-02 05:51:34] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-02 05:51:34] [INFO ] Invariant cache hit.
[2025-06-02 05:51:34] [INFO ] State equation strengthened by 116 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/475 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 685 unsolved
[2025-06-02 05:51:39] [INFO ] Deduced a trap composed of 27 places in 191 ms of which 32 ms to minimize.
[2025-06-02 05:51:39] [INFO ] Deduced a trap composed of 36 places in 187 ms of which 6 ms to minimize.
[2025-06-02 05:51:39] [INFO ] Deduced a trap composed of 91 places in 171 ms of which 3 ms to minimize.
[2025-06-02 05:51:39] [INFO ] Deduced a trap composed of 17 places in 148 ms of which 3 ms to minimize.
[2025-06-02 05:51:40] [INFO ] Deduced a trap composed of 47 places in 124 ms of which 2 ms to minimize.
[2025-06-02 05:51:40] [INFO ] Deduced a trap composed of 121 places in 136 ms of which 2 ms to minimize.
[2025-06-02 05:51:40] [INFO ] Deduced a trap composed of 21 places in 119 ms of which 3 ms to minimize.
[2025-06-02 05:51:40] [INFO ] Deduced a trap composed of 13 places in 113 ms of which 3 ms to minimize.
[2025-06-02 05:51:40] [INFO ] Deduced a trap composed of 17 places in 141 ms of which 2 ms to minimize.
[2025-06-02 05:51:40] [INFO ] Deduced a trap composed of 69 places in 127 ms of which 2 ms to minimize.
[2025-06-02 05:51:40] [INFO ] Deduced a trap composed of 45 places in 115 ms of which 3 ms to minimize.
[2025-06-02 05:51:41] [INFO ] Deduced a trap composed of 70 places in 135 ms of which 3 ms to minimize.
[2025-06-02 05:51:41] [INFO ] Deduced a trap composed of 14 places in 125 ms of which 3 ms to minimize.
[2025-06-02 05:51:41] [INFO ] Deduced a trap composed of 18 places in 127 ms of which 2 ms to minimize.
[2025-06-02 05:51:41] [INFO ] Deduced a trap composed of 58 places in 136 ms of which 2 ms to minimize.
[2025-06-02 05:51:41] [INFO ] Deduced a trap composed of 26 places in 132 ms of which 2 ms to minimize.
[2025-06-02 05:51:41] [INFO ] Deduced a trap composed of 25 places in 110 ms of which 2 ms to minimize.
[2025-06-02 05:51:41] [INFO ] Deduced a trap composed of 21 places in 111 ms of which 3 ms to minimize.
[2025-06-02 05:51:42] [INFO ] Deduced a trap composed of 50 places in 106 ms of which 3 ms to minimize.
[2025-06-02 05:51:42] [INFO ] Deduced a trap composed of 21 places in 99 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 20/34 constraints. Problems are: Problem set: 0 solved, 685 unsolved
[2025-06-02 05:51:42] [INFO ] Deduced a trap composed of 25 places in 111 ms of which 2 ms to minimize.
[2025-06-02 05:51:42] [INFO ] Deduced a trap composed of 62 places in 125 ms of which 3 ms to minimize.
[2025-06-02 05:51:42] [INFO ] Deduced a trap composed of 87 places in 126 ms of which 3 ms to minimize.
[2025-06-02 05:51:42] [INFO ] Deduced a trap composed of 88 places in 116 ms of which 2 ms to minimize.
[2025-06-02 05:51:43] [INFO ] Deduced a trap composed of 66 places in 133 ms of which 3 ms to minimize.
[2025-06-02 05:51:43] [INFO ] Deduced a trap composed of 70 places in 119 ms of which 2 ms to minimize.
[2025-06-02 05:51:43] [INFO ] Deduced a trap composed of 39 places in 118 ms of which 2 ms to minimize.
[2025-06-02 05:51:43] [INFO ] Deduced a trap composed of 47 places in 113 ms of which 3 ms to minimize.
[2025-06-02 05:51:43] [INFO ] Deduced a trap composed of 90 places in 117 ms of which 3 ms to minimize.
[2025-06-02 05:51:43] [INFO ] Deduced a trap composed of 40 places in 127 ms of which 3 ms to minimize.
[2025-06-02 05:51:43] [INFO ] Deduced a trap composed of 47 places in 117 ms of which 2 ms to minimize.
[2025-06-02 05:51:43] [INFO ] Deduced a trap composed of 87 places in 78 ms of which 1 ms to minimize.
[2025-06-02 05:51:43] [INFO ] Deduced a trap composed of 87 places in 76 ms of which 2 ms to minimize.
[2025-06-02 05:51:44] [INFO ] Deduced a trap composed of 44 places in 101 ms of which 2 ms to minimize.
[2025-06-02 05:51:44] [INFO ] Deduced a trap composed of 58 places in 94 ms of which 2 ms to minimize.
[2025-06-02 05:51:44] [INFO ] Deduced a trap composed of 43 places in 112 ms of which 3 ms to minimize.
[2025-06-02 05:51:44] [INFO ] Deduced a trap composed of 159 places in 107 ms of which 2 ms to minimize.
[2025-06-02 05:51:44] [INFO ] Deduced a trap composed of 14 places in 86 ms of which 2 ms to minimize.
[2025-06-02 05:51:44] [INFO ] Deduced a trap composed of 72 places in 59 ms of which 1 ms to minimize.
[2025-06-02 05:51:44] [INFO ] Deduced a trap composed of 25 places in 109 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/475 variables, 20/54 constraints. Problems are: Problem set: 0 solved, 685 unsolved
[2025-06-02 05:51:49] [INFO ] Deduced a trap composed of 80 places in 126 ms of which 3 ms to minimize.
[2025-06-02 05:51:49] [INFO ] Deduced a trap composed of 47 places in 109 ms of which 3 ms to minimize.
[2025-06-02 05:51:49] [INFO ] Deduced a trap composed of 43 places in 115 ms of which 2 ms to minimize.
[2025-06-02 05:51:49] [INFO ] Deduced a trap composed of 69 places in 73 ms of which 2 ms to minimize.
[2025-06-02 05:51:49] [INFO ] Deduced a trap composed of 69 places in 73 ms of which 1 ms to minimize.
[2025-06-02 05:51:50] [INFO ] Deduced a trap composed of 69 places in 74 ms of which 2 ms to minimize.
[2025-06-02 05:51:50] [INFO ] Deduced a trap composed of 36 places in 89 ms of which 2 ms to minimize.
[2025-06-02 05:51:50] [INFO ] Deduced a trap composed of 18 places in 65 ms of which 1 ms to minimize.
[2025-06-02 05:51:50] [INFO ] Deduced a trap composed of 65 places in 115 ms of which 2 ms to minimize.
[2025-06-02 05:51:50] [INFO ] Deduced a trap composed of 69 places in 119 ms of which 2 ms to minimize.
[2025-06-02 05:51:50] [INFO ] Deduced a trap composed of 14 places in 106 ms of which 3 ms to minimize.
[2025-06-02 05:51:50] [INFO ] Deduced a trap composed of 10 places in 121 ms of which 2 ms to minimize.
[2025-06-02 05:51:50] [INFO ] Deduced a trap composed of 95 places in 125 ms of which 3 ms to minimize.
[2025-06-02 05:51:51] [INFO ] Deduced a trap composed of 39 places in 123 ms of which 4 ms to minimize.
[2025-06-02 05:51:51] [INFO ] Deduced a trap composed of 47 places in 128 ms of which 2 ms to minimize.
[2025-06-02 05:51:51] [INFO ] Deduced a trap composed of 10 places in 106 ms of which 3 ms to minimize.
[2025-06-02 05:51:51] [INFO ] Deduced a trap composed of 22 places in 119 ms of which 10 ms to minimize.
[2025-06-02 05:51:51] [INFO ] Deduced a trap composed of 65 places in 134 ms of which 2 ms to minimize.
[2025-06-02 05:51:51] [INFO ] Deduced a trap composed of 32 places in 119 ms of which 2 ms to minimize.
[2025-06-02 05:51:51] [INFO ] Deduced a trap composed of 39 places in 123 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/475 variables, 20/74 constraints. Problems are: Problem set: 0 solved, 685 unsolved
[2025-06-02 05:51:52] [INFO ] Deduced a trap composed of 91 places in 77 ms of which 2 ms to minimize.
[2025-06-02 05:51:52] [INFO ] Deduced a trap composed of 91 places in 79 ms of which 1 ms to minimize.
[2025-06-02 05:51:52] [INFO ] Deduced a trap composed of 91 places in 81 ms of which 2 ms to minimize.
[2025-06-02 05:51:52] [INFO ] Deduced a trap composed of 25 places in 109 ms of which 3 ms to minimize.
[2025-06-02 05:51:52] [INFO ] Deduced a trap composed of 54 places in 110 ms of which 2 ms to minimize.
[2025-06-02 05:51:53] [INFO ] Deduced a trap composed of 32 places in 109 ms of which 3 ms to minimize.
[2025-06-02 05:51:53] [INFO ] Deduced a trap composed of 33 places in 108 ms of which 3 ms to minimize.
[2025-06-02 05:51:53] [INFO ] Deduced a trap composed of 10 places in 111 ms of which 2 ms to minimize.
[2025-06-02 05:51:53] [INFO ] Deduced a trap composed of 36 places in 101 ms of which 2 ms to minimize.
[2025-06-02 05:51:53] [INFO ] Deduced a trap composed of 78 places in 105 ms of which 3 ms to minimize.
[2025-06-02 05:51:53] [INFO ] Deduced a trap composed of 10 places in 119 ms of which 2 ms to minimize.
[2025-06-02 05:51:53] [INFO ] Deduced a trap composed of 32 places in 100 ms of which 3 ms to minimize.
[2025-06-02 05:51:53] [INFO ] Deduced a trap composed of 45 places in 109 ms of which 3 ms to minimize.
[2025-06-02 05:51:54] [INFO ] Deduced a trap composed of 35 places in 92 ms of which 2 ms to minimize.
[2025-06-02 05:51:54] [INFO ] Deduced a trap composed of 54 places in 62 ms of which 2 ms to minimize.
[2025-06-02 05:51:54] [INFO ] Deduced a trap composed of 58 places in 88 ms of which 2 ms to minimize.
[2025-06-02 05:51:55] [INFO ] Deduced a trap composed of 61 places in 80 ms of which 2 ms to minimize.
[2025-06-02 05:51:55] [INFO ] Deduced a trap composed of 65 places in 76 ms of which 1 ms to minimize.
[2025-06-02 05:51:55] [INFO ] Deduced a trap composed of 62 places in 99 ms of which 2 ms to minimize.
[2025-06-02 05:51:55] [INFO ] Deduced a trap composed of 82 places in 102 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/475 variables, 20/94 constraints. Problems are: Problem set: 0 solved, 685 unsolved
[2025-06-02 05:51:56] [INFO ] Deduced a trap composed of 55 places in 121 ms of which 3 ms to minimize.
[2025-06-02 05:51:56] [INFO ] Deduced a trap composed of 39 places in 103 ms of which 2 ms to minimize.
[2025-06-02 05:51:56] [INFO ] Deduced a trap composed of 80 places in 109 ms of which 2 ms to minimize.
[2025-06-02 05:51:56] [INFO ] Deduced a trap composed of 38 places in 107 ms of which 2 ms to minimize.
[2025-06-02 05:51:57] [INFO ] Deduced a trap composed of 96 places in 107 ms of which 3 ms to minimize.
[2025-06-02 05:51:57] [INFO ] Deduced a trap composed of 54 places in 68 ms of which 1 ms to minimize.
[2025-06-02 05:51:57] [INFO ] Deduced a trap composed of 54 places in 63 ms of which 1 ms to minimize.
[2025-06-02 05:51:58] [INFO ] Deduced a trap composed of 77 places in 123 ms of which 2 ms to minimize.
[2025-06-02 05:51:58] [INFO ] Deduced a trap composed of 42 places in 118 ms of which 3 ms to minimize.
[2025-06-02 05:51:58] [INFO ] Deduced a trap composed of 62 places in 103 ms of which 2 ms to minimize.
[2025-06-02 05:51:58] [INFO ] Deduced a trap composed of 58 places in 110 ms of which 3 ms to minimize.
[2025-06-02 05:51:58] [INFO ] Deduced a trap composed of 50 places in 115 ms of which 3 ms to minimize.
[2025-06-02 05:51:58] [INFO ] Deduced a trap composed of 58 places in 95 ms of which 2 ms to minimize.
[2025-06-02 05:51:58] [INFO ] Deduced a trap composed of 43 places in 111 ms of which 2 ms to minimize.
[2025-06-02 05:51:59] [INFO ] Deduced a trap composed of 128 places in 104 ms of which 2 ms to minimize.
[2025-06-02 05:51:59] [INFO ] Deduced a trap composed of 32 places in 93 ms of which 2 ms to minimize.
[2025-06-02 05:52:00] [INFO ] Deduced a trap composed of 76 places in 60 ms of which 1 ms to minimize.
[2025-06-02 05:52:00] [INFO ] Deduced a trap composed of 76 places in 60 ms of which 1 ms to minimize.
[2025-06-02 05:52:00] [INFO ] Deduced a trap composed of 76 places in 55 ms of which 1 ms to minimize.
[2025-06-02 05:52:00] [INFO ] Deduced a trap composed of 76 places in 79 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/475 variables, 20/114 constraints. Problems are: Problem set: 0 solved, 685 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 475/1110 variables, and 114 constraints, problems are : Problem set: 0 solved, 685 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 9/14 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 0/480 constraints, ReadFeed: 0/116 constraints, PredecessorRefiner: 685/685 constraints, Known Traps: 100/100 constraints]
Escalating to Integer solving :Problem set: 0 solved, 685 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/475 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/475 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 685 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/475 variables, 100/114 constraints. Problems are: Problem set: 0 solved, 685 unsolved
[2025-06-02 05:52:06] [INFO ] Deduced a trap composed of 90 places in 107 ms of which 2 ms to minimize.
[2025-06-02 05:52:06] [INFO ] Deduced a trap composed of 61 places in 92 ms of which 2 ms to minimize.
[2025-06-02 05:52:07] [INFO ] Deduced a trap composed of 61 places in 110 ms of which 2 ms to minimize.
[2025-06-02 05:52:07] [INFO ] Deduced a trap composed of 127 places in 76 ms of which 1 ms to minimize.
[2025-06-02 05:52:07] [INFO ] Deduced a trap composed of 66 places in 63 ms of which 1 ms to minimize.
[2025-06-02 05:52:07] [INFO ] Deduced a trap composed of 42 places in 63 ms of which 1 ms to minimize.
[2025-06-02 05:52:07] [INFO ] Deduced a trap composed of 40 places in 38 ms of which 1 ms to minimize.
[2025-06-02 05:52:08] [INFO ] Deduced a trap composed of 80 places in 78 ms of which 2 ms to minimize.
[2025-06-02 05:52:08] [INFO ] Deduced a trap composed of 84 places in 71 ms of which 2 ms to minimize.
[2025-06-02 05:52:08] [INFO ] Deduced a trap composed of 80 places in 55 ms of which 2 ms to minimize.
[2025-06-02 05:52:08] [INFO ] Deduced a trap composed of 84 places in 79 ms of which 2 ms to minimize.
[2025-06-02 05:52:08] [INFO ] Deduced a trap composed of 80 places in 58 ms of which 1 ms to minimize.
[2025-06-02 05:52:09] [INFO ] Deduced a trap composed of 81 places in 73 ms of which 1 ms to minimize.
[2025-06-02 05:52:09] [INFO ] Deduced a trap composed of 83 places in 61 ms of which 1 ms to minimize.
[2025-06-02 05:52:09] [INFO ] Deduced a trap composed of 132 places in 82 ms of which 1 ms to minimize.
[2025-06-02 05:52:10] [INFO ] Deduced a trap composed of 70 places in 108 ms of which 2 ms to minimize.
[2025-06-02 05:52:10] [INFO ] Deduced a trap composed of 81 places in 112 ms of which 2 ms to minimize.
[2025-06-02 05:52:10] [INFO ] Deduced a trap composed of 64 places in 109 ms of which 2 ms to minimize.
[2025-06-02 05:52:10] [INFO ] Deduced a trap composed of 112 places in 114 ms of which 3 ms to minimize.
[2025-06-02 05:52:11] [INFO ] Deduced a trap composed of 83 places in 85 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/475 variables, 20/134 constraints. Problems are: Problem set: 0 solved, 685 unsolved
[2025-06-02 05:52:14] [INFO ] Deduced a trap composed of 144 places in 113 ms of which 2 ms to minimize.
[2025-06-02 05:52:16] [INFO ] Deduced a trap composed of 92 places in 83 ms of which 2 ms to minimize.
[2025-06-02 05:52:16] [INFO ] Deduced a trap composed of 71 places in 112 ms of which 2 ms to minimize.
[2025-06-02 05:52:17] [INFO ] Deduced a trap composed of 74 places in 104 ms of which 2 ms to minimize.
[2025-06-02 05:52:17] [INFO ] Deduced a trap composed of 111 places in 80 ms of which 2 ms to minimize.
[2025-06-02 05:52:18] [INFO ] Deduced a trap composed of 40 places in 116 ms of which 3 ms to minimize.
[2025-06-02 05:52:18] [INFO ] Deduced a trap composed of 57 places in 98 ms of which 2 ms to minimize.
[2025-06-02 05:52:18] [INFO ] Deduced a trap composed of 46 places in 88 ms of which 2 ms to minimize.
[2025-06-02 05:52:18] [INFO ] Deduced a trap composed of 96 places in 93 ms of which 2 ms to minimize.
[2025-06-02 05:52:18] [INFO ] Deduced a trap composed of 27 places in 99 ms of which 2 ms to minimize.
[2025-06-02 05:52:19] [INFO ] Deduced a trap composed of 66 places in 74 ms of which 1 ms to minimize.
[2025-06-02 05:52:19] [INFO ] Deduced a trap composed of 70 places in 104 ms of which 2 ms to minimize.
[2025-06-02 05:52:19] [INFO ] Deduced a trap composed of 35 places in 128 ms of which 2 ms to minimize.
[2025-06-02 05:52:19] [INFO ] Deduced a trap composed of 31 places in 126 ms of which 3 ms to minimize.
[2025-06-02 05:52:20] [INFO ] Deduced a trap composed of 117 places in 121 ms of which 2 ms to minimize.
[2025-06-02 05:52:20] [INFO ] Deduced a trap composed of 83 places in 69 ms of which 2 ms to minimize.
[2025-06-02 05:52:20] [INFO ] Deduced a trap composed of 81 places in 108 ms of which 2 ms to minimize.
[2025-06-02 05:52:20] [INFO ] Deduced a trap composed of 58 places in 81 ms of which 2 ms to minimize.
[2025-06-02 05:52:21] [INFO ] Deduced a trap composed of 43 places in 93 ms of which 2 ms to minimize.
[2025-06-02 05:52:21] [INFO ] Deduced a trap composed of 51 places in 109 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/475 variables, 20/154 constraints. Problems are: Problem set: 0 solved, 685 unsolved
[2025-06-02 05:52:22] [INFO ] Deduced a trap composed of 54 places in 110 ms of which 3 ms to minimize.
[2025-06-02 05:52:24] [INFO ] Deduced a trap composed of 51 places in 106 ms of which 2 ms to minimize.
[2025-06-02 05:52:24] [INFO ] Deduced a trap composed of 140 places in 97 ms of which 3 ms to minimize.
[2025-06-02 05:52:24] [INFO ] Deduced a trap composed of 73 places in 101 ms of which 2 ms to minimize.
[2025-06-02 05:52:24] [INFO ] Deduced a trap composed of 58 places in 76 ms of which 2 ms to minimize.
[2025-06-02 05:52:24] [INFO ] Deduced a trap composed of 71 places in 94 ms of which 2 ms to minimize.
[2025-06-02 05:52:27] [INFO ] Deduced a trap composed of 41 places in 80 ms of which 2 ms to minimize.
[2025-06-02 05:52:29] [INFO ] Deduced a trap composed of 114 places in 84 ms of which 2 ms to minimize.
[2025-06-02 05:52:29] [INFO ] Deduced a trap composed of 27 places in 121 ms of which 3 ms to minimize.
[2025-06-02 05:52:30] [INFO ] Deduced a trap composed of 71 places in 115 ms of which 2 ms to minimize.
[2025-06-02 05:52:31] [INFO ] Deduced a trap composed of 72 places in 78 ms of which 1 ms to minimize.
[2025-06-02 05:52:31] [INFO ] Deduced a trap composed of 62 places in 63 ms of which 2 ms to minimize.
[2025-06-02 05:52:33] [INFO ] Deduced a trap composed of 66 places in 96 ms of which 2 ms to minimize.
[2025-06-02 05:52:33] [INFO ] Deduced a trap composed of 110 places in 73 ms of which 2 ms to minimize.
[2025-06-02 05:52:33] [INFO ] Deduced a trap composed of 102 places in 90 ms of which 1 ms to minimize.
[2025-06-02 05:52:33] [INFO ] Deduced a trap composed of 139 places in 92 ms of which 2 ms to minimize.
[2025-06-02 05:52:34] [INFO ] Deduced a trap composed of 105 places in 94 ms of which 1 ms to minimize.
[2025-06-02 05:52:34] [INFO ] Deduced a trap composed of 160 places in 83 ms of which 3 ms to minimize.
[2025-06-02 05:52:34] [INFO ] Deduced a trap composed of 112 places in 90 ms of which 2 ms to minimize.
[2025-06-02 05:52:34] [INFO ] Deduced a trap composed of 89 places in 100 ms of which 2 ms to minimize.
SMT process timed out in 60337ms, After SMT, problems are : Problem set: 0 solved, 685 unsolved
Search for dead transitions found 0 dead transitions in 60365ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 61026 ms. Remains : 480/480 places, 690/690 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1424 ms (no deadlock found). (steps per millisecond=877 )
Random directed walk for 1250003 steps, including 0 resets, run took 1618 ms (no deadlock found). (steps per millisecond=772 )
[2025-06-02 05:52:37] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-02 05:52:37] [INFO ] Invariant cache hit.
[2025-06-02 05:52:37] [INFO ] [Real]Absence check using 14 positive place invariants in 11 ms returned sat
[2025-06-02 05:52:37] [INFO ] [Real]Absence check using 14 positive and 5 generalized place invariants in 7 ms returned unsat
[2025-06-02 05:52:37] [INFO ] Unfolded HLPN to a Petri net with 500 places and 730 transitions 2280 arcs in 5 ms.
[2025-06-02 05:52:37] [INFO ] Unfolded 14 HLPN properties in 0 ms.
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 20 places in 2 ms
Reduce places removed 20 places and 40 transitions.
RANDOM walk for 40000 steps (8 resets) in 488 ms. (81 steps per ms) remains 1/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 136 ms. (292 steps per ms) remains 1/1 properties
[2025-06-02 05:52:37] [INFO ] Flow matrix only has 630 transitions (discarded 60 similar events)
[2025-06-02 05:52:37] [INFO ] Invariant cache hit.
[2025-06-02 05:52:37] [INFO ] State equation strengthened by 116 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 435/455 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/455 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/460 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/460 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 630/1090 variables, 460/475 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1090 variables, 116/591 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1090 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 20/1110 variables, 20/611 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1110 variables, 4/615 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1110 variables, 0/615 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/1110 variables, 0/615 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1110/1110 variables, and 615 constraints, problems are : Problem set: 0 solved, 1 unsolved in 275 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 480/480 constraints, ReadFeed: 116/116 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 435/455 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/455 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/460 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/460 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 630/1090 variables, 460/475 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1090 variables, 116/591 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1090 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1090 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 20/1110 variables, 20/612 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1110 variables, 4/616 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-02 05:52:38] [INFO ] Deduced a trap composed of 42 places in 133 ms of which 2 ms to minimize.
[2025-06-02 05:52:38] [INFO ] Deduced a trap composed of 60 places in 117 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/1110 variables, 2/618 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-02 05:52:38] [INFO ] Deduced a trap composed of 50 places in 147 ms of which 2 ms to minimize.
[2025-06-02 05:52:39] [INFO ] Deduced a trap composed of 96 places in 115 ms of which 2 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/1110 variables, 2/620 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-02 05:52:39] [INFO ] Deduced a trap composed of 62 places in 130 ms of which 2 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/1110 variables, 1/621 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-02 05:52:39] [INFO ] Deduced a trap composed of 50 places in 123 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/1110 variables, 1/622 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-02 05:52:39] [INFO ] Deduced a trap composed of 13 places in 119 ms of which 3 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/1110 variables, 1/623 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-02 05:52:39] [INFO ] Deduced a trap composed of 101 places in 129 ms of which 3 ms to minimize.
[2025-06-02 05:52:39] [INFO ] Deduced a trap composed of 36 places in 122 ms of which 2 ms to minimize.
[2025-06-02 05:52:40] [INFO ] Deduced a trap composed of 39 places in 127 ms of which 2 ms to minimize.
[2025-06-02 05:52:40] [INFO ] Deduced a trap composed of 36 places in 124 ms of which 2 ms to minimize.
[2025-06-02 05:52:40] [INFO ] Deduced a trap composed of 39 places in 113 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/1110 variables, 5/628 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1110 variables, 0/628 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/1110 variables, 0/628 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1110/1110 variables, and 628 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2275 ms.
Refiners :[Positive P Invariants (semi-flows): 14/14 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 480/480 constraints, ReadFeed: 116/116 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 12/12 constraints]
After SMT, in 2571ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 80 ms.
Support contains 20 out of 480 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 480/480 places, 690/690 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 192 transitions
Trivial Post-agglo rules discarded 192 transitions
Performed 192 trivial Post agglomeration. Transition count delta: 192
Iterating post reduction 0 with 192 rules applied. Total rules applied 192 place count 480 transition count 498
Reduce places removed 192 places and 0 transitions.
Iterating post reduction 1 with 192 rules applied. Total rules applied 384 place count 288 transition count 498
Performed 104 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 104 Pre rules applied. Total rules applied 384 place count 288 transition count 394
Deduced a syphon composed of 104 places in 0 ms
Reduce places removed 104 places and 0 transitions.
Iterating global reduction 2 with 208 rules applied. Total rules applied 592 place count 184 transition count 394
Applied a total of 592 rules in 44 ms. Remains 184 /480 variables (removed 296) and now considering 394/690 (removed 296) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 184/480 places, 394/690 transitions.
RANDOM walk for 4000000 steps (8 resets) in 8629 ms. (463 steps per ms) remains 1/1 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3637 ms. (1099 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 46 steps, run visited all 1 properties in 8 ms. (steps per millisecond=5 )
Probabilistic random walk after 46 steps, saw 41 distinct states, run finished after 12 ms. (steps per millisecond=3 ) properties seen :1
Able to resolve query QuasiLiveness after proving 14 properties.
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 40 transitions.
Unable to solve all queries for examination Liveness. Remains :1 assertions to prove.
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 40 transitions.
Unable to solve all queries for examination Liveness. Remains :14 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 14 properties from file /home/mcc/execution/Liveness.xml in 0 ms.
Working with output stream class java.io.PrintStream
Total runtime 71316 ms.
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------
Running Peterson-COL-4
IS_COLORED=1
IS_NUPN=
LOADING model.pnml ...
MODEL CLASS: SYMMETRIC NET
PLACES: 11
TRANSITIONS: 14
CONSTANTS: 0
TEMPLATE VARS: 0
COLOR CLASSES: 7
COLOR VARS: 3
ARCS: 42
LOADING TIME: 0.138
UNFOLDING COLORS...
MODEL CLASS: P/T NET
PLACES: 500
TRANSITIONS: 730
CONSTANTS: 0
TEMPLATE VARS: 0
ARCS: 2280
UNFOLDING TIME: 0.191
SAVING AS /home/mcc/execution/model.(net/def) ...
exportGspn useExt=true
SAVING TIME: 0.052
SAVING NAME MAP FILE /home/mcc/execution/model.id2name ...
SAVING UNFOLDING MAP FILE /home/mcc/execution/model.unfmap ...
TOTAL TIME: 0.535
OK.
----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES
Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net
Process ID: 1076
MODEL NAME: /home/mcc/execution/model
500 places, 730 transitions.
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
BK_TIME_CONFINEMENT_REACHED
--------------------
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 Liveness -timeout 180 -rebuildPNML
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="Peterson-COL-4"
export BK_EXAMINATION="Liveness"
export BK_TOOL="gold2024"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is Peterson-COL-4, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r154-tall-174876825500354"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Peterson-COL-4.tgz
mv Peterson-COL-4 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;