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.r464-smll-171620117900159.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)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is ASLink-PT-10a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r464-smll-171620117900159
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 6.4K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.2K May 19 07:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 19 15:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 19 07:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 17:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.7K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K May 14 13:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.4K May 19 07:09 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 19 15:23 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 920K 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 ASLink-PT-10a-ReachabilityFireability-2024-00
FORMULA_NAME ASLink-PT-10a-ReachabilityFireability-2024-01
FORMULA_NAME ASLink-PT-10a-ReachabilityFireability-2024-02
FORMULA_NAME ASLink-PT-10a-ReachabilityFireability-2024-03
FORMULA_NAME ASLink-PT-10a-ReachabilityFireability-2024-04
FORMULA_NAME ASLink-PT-10a-ReachabilityFireability-2024-05
FORMULA_NAME ASLink-PT-10a-ReachabilityFireability-2024-06
FORMULA_NAME ASLink-PT-10a-ReachabilityFireability-2023-07
FORMULA_NAME ASLink-PT-10a-ReachabilityFireability-2023-08
FORMULA_NAME ASLink-PT-10a-ReachabilityFireability-2023-09
FORMULA_NAME ASLink-PT-10a-ReachabilityFireability-2024-10
FORMULA_NAME ASLink-PT-10a-ReachabilityFireability-2023-11
FORMULA_NAME ASLink-PT-10a-ReachabilityFireability-2024-12
FORMULA_NAME ASLink-PT-10a-ReachabilityFireability-2024-13
FORMULA_NAME ASLink-PT-10a-ReachabilityFireability-2024-14
FORMULA_NAME ASLink-PT-10a-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1717243040478

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ASLink-PT-10a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 11:57:22] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 11:57:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 11:57:23] [INFO ] Load time of PNML (sax parser for PT used): 693 ms
[2024-06-01 11:57:23] [INFO ] Transformed 2186 places.
[2024-06-01 11:57:23] [INFO ] Transformed 3192 transitions.
[2024-06-01 11:57:23] [INFO ] Found NUPN structural information;
[2024-06-01 11:57:24] [INFO ] Parsed PT model containing 2186 places and 3192 transitions and 11972 arcs in 1101 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 33 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 34 transitions
Reduce redundant transitions removed 34 transitions.
RANDOM walk for 40000 steps (161 resets) in 2800 ms. (14 steps per ms) remains 14/16 properties
FORMULA ASLink-PT-10a-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ASLink-PT-10a-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (12 resets) in 724 ms. (55 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (12 resets) in 1324 ms. (30 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (12 resets) in 304 ms. (131 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (12 resets) in 184 ms. (216 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (12 resets) in 303 ms. (131 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (12 resets) in 344 ms. (115 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (11 resets) in 215 ms. (185 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (13 resets) in 331 ms. (120 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (12 resets) in 247 ms. (161 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (13 resets) in 212 ms. (187 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (13 resets) in 192 ms. (207 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (12 resets) in 180 ms. (221 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (12 resets) in 374 ms. (106 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (12 resets) in 175 ms. (227 steps per ms) remains 14/14 properties
// Phase 1: matrix 3158 rows 2186 cols
[2024-06-01 11:57:27] [INFO ] Computed 422 invariants in 606 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/309 variables, 309/309 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/309 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 166/475 variables, 36/345 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/475 variables, 166/511 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/475 variables, 0/511 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 243/718 variables, 69/580 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/718 variables, 243/823 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 0/823 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Problem ASLink-PT-10a-ReachabilityFireability-2024-04 is UNSAT
FORMULA ASLink-PT-10a-ReachabilityFireability-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 8 (OVERLAPS) 1433/2151 variables, 306/1129 constraints. Problems are: Problem set: 1 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2151 variables, 1433/2562 constraints. Problems are: Problem set: 1 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2151 variables, 0/2562 constraints. Problems are: Problem set: 1 solved, 13 unsolved
At refinement iteration 11 (OVERLAPS) 35/2186 variables, 11/2573 constraints. Problems are: Problem set: 1 solved, 13 unsolved
SMT process timed out in 6237ms, After SMT, problems are : Problem set: 1 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 307 out of 2186 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2186/2186 places, 3158/3158 transitions.
Ensure Unique test removed 38 places
Discarding 17 places :
Implicit places reduction removed 17 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 161 transitions
Trivial Post-agglo rules discarded 161 transitions
Performed 161 trivial Post agglomeration. Transition count delta: 161
Iterating post reduction 0 with 216 rules applied. Total rules applied 216 place count 2131 transition count 2997
Reduce places removed 161 places and 0 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Iterating post reduction 1 with 168 rules applied. Total rules applied 384 place count 1970 transition count 2990
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 391 place count 1963 transition count 2990
Performed 180 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 180 Pre rules applied. Total rules applied 391 place count 1963 transition count 2810
Deduced a syphon composed of 180 places in 9 ms
Ensure Unique test removed 63 places
Reduce places removed 243 places and 0 transitions.
Iterating global reduction 3 with 423 rules applied. Total rules applied 814 place count 1720 transition count 2810
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 818 place count 1716 transition count 2793
Ensure Unique test removed 1 places
Iterating global reduction 3 with 5 rules applied. Total rules applied 823 place count 1715 transition count 2793
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 4 rules applied. Total rules applied 827 place count 1714 transition count 2790
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 828 place count 1713 transition count 2790
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 829 place count 1712 transition count 2782
Iterating global reduction 5 with 1 rules applied. Total rules applied 830 place count 1712 transition count 2782
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 831 place count 1711 transition count 2774
Iterating global reduction 5 with 1 rules applied. Total rules applied 832 place count 1711 transition count 2774
Performed 46 Post agglomeration using F-continuation condition.Transition count delta: 46
Deduced a syphon composed of 46 places in 10 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 5 with 92 rules applied. Total rules applied 924 place count 1665 transition count 2728
Free-agglomeration rule applied 4 times.
Iterating global reduction 5 with 4 rules applied. Total rules applied 928 place count 1665 transition count 2724
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 932 place count 1661 transition count 2724
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 6 with 6 rules applied. Total rules applied 938 place count 1661 transition count 2718
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 944 place count 1655 transition count 2718
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 7 with 3 rules applied. Total rules applied 947 place count 1655 transition count 2718
Applied a total of 947 rules in 1559 ms. Remains 1655 /2186 variables (removed 531) and now considering 2718/3158 (removed 440) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1578 ms. Remains : 1655/2186 places, 2718/3158 transitions.
RANDOM walk for 40000 steps (245 resets) in 800 ms. (49 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (25 resets) in 608 ms. (65 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (27 resets) in 488 ms. (81 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (26 resets) in 447 ms. (89 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (25 resets) in 288 ms. (138 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (26 resets) in 233 ms. (170 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (25 resets) in 135 ms. (294 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (25 resets) in 185 ms. (215 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (26 resets) in 181 ms. (219 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (27 resets) in 134 ms. (296 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (24 resets) in 123 ms. (322 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (27 resets) in 171 ms. (232 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (27 resets) in 338 ms. (118 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (27 resets) in 190 ms. (209 steps per ms) remains 13/13 properties
Interrupted probabilistic random walk after 88280 steps, run timeout after 3001 ms. (steps per millisecond=29 ) properties seen :0 out of 13
Probabilistic random walk after 88280 steps, saw 26396 distinct states, run finished after 3006 ms. (steps per millisecond=29 ) properties seen :0
// Phase 1: matrix 2718 rows 1655 cols
[2024-06-01 11:57:38] [INFO ] Computed 302 invariants in 212 ms
[2024-06-01 11:57:38] [INFO ] State equation strengthened by 53 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/307 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 315/622 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/622 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 115/737 variables, 47/92 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/737 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 894/1631 variables, 207/299 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1631 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (OVERLAPS) 24/1655 variables, 3/302 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1655 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (OVERLAPS) 2718/4373 variables, 1655/1957 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/4373 variables, 53/2010 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/4373 variables, 0/2010 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 12 (OVERLAPS) 0/4373 variables, 0/2010 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4373/4373 variables, and 2010 constraints, problems are : Problem set: 0 solved, 13 unsolved in 18873 ms.
Refiners :[Positive P Invariants (semi-flows): 92/92 constraints, Generalized P Invariants (flows): 210/210 constraints, State Equation: 1655/1655 constraints, ReadFeed: 53/53 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/307 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 315/622 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/622 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 115/737 variables, 47/92 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/737 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Problem ASLink-PT-10a-ReachabilityFireability-2024-05 is UNSAT
FORMULA ASLink-PT-10a-ReachabilityFireability-2024-05 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 5 (OVERLAPS) 894/1631 variables, 207/299 constraints. Problems are: Problem set: 1 solved, 12 unsolved
[2024-06-01 11:57:59] [INFO ] Deduced a trap composed of 29 places in 305 ms of which 31 ms to minimize.
[2024-06-01 11:58:00] [INFO ] Deduced a trap composed of 69 places in 353 ms of which 5 ms to minimize.
[2024-06-01 11:58:00] [INFO ] Deduced a trap composed of 35 places in 210 ms of which 3 ms to minimize.
[2024-06-01 11:58:01] [INFO ] Deduced a trap composed of 24 places in 362 ms of which 6 ms to minimize.
[2024-06-01 11:58:02] [INFO ] Deduced a trap composed of 77 places in 877 ms of which 9 ms to minimize.
[2024-06-01 11:58:02] [INFO ] Deduced a trap composed of 27 places in 179 ms of which 4 ms to minimize.
[2024-06-01 11:58:02] [INFO ] Deduced a trap composed of 35 places in 166 ms of which 3 ms to minimize.
[2024-06-01 11:58:03] [INFO ] Deduced a trap composed of 78 places in 524 ms of which 6 ms to minimize.
[2024-06-01 11:58:05] [INFO ] Deduced a trap composed of 24 places in 1140 ms of which 15 ms to minimize.
[2024-06-01 11:58:05] [INFO ] Deduced a trap composed of 30 places in 220 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1631 variables, 10/309 constraints. Problems are: Problem set: 1 solved, 12 unsolved
[2024-06-01 11:58:06] [INFO ] Deduced a trap composed of 34 places in 335 ms of which 4 ms to minimize.
[2024-06-01 11:58:06] [INFO ] Deduced a trap composed of 51 places in 319 ms of which 4 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/1631 variables, 2/311 constraints. Problems are: Problem set: 1 solved, 12 unsolved
[2024-06-01 11:58:09] [INFO ] Deduced a trap composed of 25 places in 457 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/1631 variables, 1/312 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1631 variables, 0/312 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 10 (OVERLAPS) 24/1655 variables, 3/315 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1655 variables, 0/315 constraints. Problems are: Problem set: 1 solved, 12 unsolved
Problem ASLink-PT-10a-ReachabilityFireability-2024-03 is UNSAT
FORMULA ASLink-PT-10a-ReachabilityFireability-2024-03 TRUE TECHNIQUES SMT_REFINEMENT
Problem ASLink-PT-10a-ReachabilityFireability-2023-08 is UNSAT
FORMULA ASLink-PT-10a-ReachabilityFireability-2023-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem ASLink-PT-10a-ReachabilityFireability-2023-11 is UNSAT
FORMULA ASLink-PT-10a-ReachabilityFireability-2023-11 FALSE TECHNIQUES SMT_REFINEMENT
Problem ASLink-PT-10a-ReachabilityFireability-2024-12 is UNSAT
FORMULA ASLink-PT-10a-ReachabilityFireability-2024-12 TRUE TECHNIQUES SMT_REFINEMENT
Problem ASLink-PT-10a-ReachabilityFireability-2024-13 is UNSAT
FORMULA ASLink-PT-10a-ReachabilityFireability-2024-13 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 12 (OVERLAPS) 2718/4373 variables, 1655/1970 constraints. Problems are: Problem set: 6 solved, 7 unsolved
SMT process timed out in 64384ms, After SMT, problems are : Problem set: 6 solved, 7 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 243 out of 1655 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1655/1655 places, 2718/2718 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 1655 transition count 2716
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 1653 transition count 2716
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 15 Pre rules applied. Total rules applied 4 place count 1653 transition count 2701
Deduced a syphon composed of 15 places in 6 ms
Ensure Unique test removed 7 places
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 2 with 37 rules applied. Total rules applied 41 place count 1631 transition count 2701
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 42 place count 1630 transition count 2693
Iterating global reduction 2 with 1 rules applied. Total rules applied 43 place count 1630 transition count 2693
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 44 place count 1629 transition count 2685
Iterating global reduction 2 with 1 rules applied. Total rules applied 45 place count 1629 transition count 2685
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 46 place count 1628 transition count 2677
Iterating global reduction 2 with 1 rules applied. Total rules applied 47 place count 1628 transition count 2677
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 48 place count 1627 transition count 2669
Iterating global reduction 2 with 1 rules applied. Total rules applied 49 place count 1627 transition count 2669
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 50 place count 1626 transition count 2661
Iterating global reduction 2 with 1 rules applied. Total rules applied 51 place count 1626 transition count 2661
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 9 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 61 place count 1621 transition count 2656
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 62 place count 1621 transition count 2655
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 63 place count 1620 transition count 2655
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 65 place count 1620 transition count 2655
Applied a total of 65 rules in 989 ms. Remains 1620 /1655 variables (removed 35) and now considering 2655/2718 (removed 63) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 989 ms. Remains : 1620/1655 places, 2655/2718 transitions.
RANDOM walk for 40000 steps (240 resets) in 489 ms. (81 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (27 resets) in 629 ms. (63 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (25 resets) in 536 ms. (74 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (25 resets) in 291 ms. (137 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (28 resets) in 257 ms. (155 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (28 resets) in 174 ms. (228 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (27 resets) in 221 ms. (180 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (28 resets) in 121 ms. (327 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 104288 steps, run timeout after 3001 ms. (steps per millisecond=34 ) properties seen :0 out of 7
Probabilistic random walk after 104288 steps, saw 29743 distinct states, run finished after 3001 ms. (steps per millisecond=34 ) properties seen :0
// Phase 1: matrix 2655 rows 1620 cols
[2024-06-01 11:58:47] [INFO ] Computed 295 invariants in 47 ms
[2024-06-01 11:58:47] [INFO ] State equation strengthened by 55 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/243 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 286/529 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/529 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 153/682 variables, 53/88 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/682 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 896/1578 variables, 201/289 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1578 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 42/1620 variables, 6/295 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1620 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 2655/4275 variables, 1620/1915 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/4275 variables, 55/1970 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/4275 variables, 0/1970 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (OVERLAPS) 0/4275 variables, 0/1970 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4275/4275 variables, and 1970 constraints, problems are : Problem set: 0 solved, 7 unsolved in 8364 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, Generalized P Invariants (flows): 207/207 constraints, State Equation: 1620/1620 constraints, ReadFeed: 55/55 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/243 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 286/529 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/529 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 153/682 variables, 53/88 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/682 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 896/1578 variables, 201/289 constraints. Problems are: Problem set: 0 solved, 7 unsolved
[2024-06-01 11:58:58] [INFO ] Deduced a trap composed of 28 places in 633 ms of which 7 ms to minimize.
[2024-06-01 11:58:58] [INFO ] Deduced a trap composed of 48 places in 354 ms of which 4 ms to minimize.
[2024-06-01 11:58:58] [INFO ] Deduced a trap composed of 47 places in 193 ms of which 2 ms to minimize.
[2024-06-01 11:58:59] [INFO ] Deduced a trap composed of 24 places in 356 ms of which 4 ms to minimize.
[2024-06-01 11:58:59] [INFO ] Deduced a trap composed of 23 places in 201 ms of which 3 ms to minimize.
[2024-06-01 11:59:01] [INFO ] Deduced a trap composed of 26 places in 1688 ms of which 17 ms to minimize.
[2024-06-01 11:59:02] [INFO ] Deduced a trap composed of 92 places in 1025 ms of which 11 ms to minimize.
[2024-06-01 11:59:03] [INFO ] Deduced a trap composed of 24 places in 749 ms of which 9 ms to minimize.
[2024-06-01 11:59:04] [INFO ] Deduced a trap composed of 28 places in 351 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1578 variables, 9/298 constraints. Problems are: Problem set: 0 solved, 7 unsolved
[2024-06-01 11:59:04] [INFO ] Deduced a trap composed of 29 places in 353 ms of which 4 ms to minimize.
[2024-06-01 11:59:05] [INFO ] Deduced a trap composed of 28 places in 279 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/1578 variables, 2/300 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1578 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 42/1620 variables, 6/306 constraints. Problems are: Problem set: 0 solved, 7 unsolved
[2024-06-01 11:59:07] [INFO ] Deduced a trap composed of 26 places in 389 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/1620 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1620 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem ASLink-PT-10a-ReachabilityFireability-2024-00 is UNSAT
FORMULA ASLink-PT-10a-ReachabilityFireability-2024-00 FALSE TECHNIQUES SMT_REFINEMENT
Problem ASLink-PT-10a-ReachabilityFireability-2024-01 is UNSAT
FORMULA ASLink-PT-10a-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem ASLink-PT-10a-ReachabilityFireability-2023-07 is UNSAT
FORMULA ASLink-PT-10a-ReachabilityFireability-2023-07 FALSE TECHNIQUES SMT_REFINEMENT
Problem ASLink-PT-10a-ReachabilityFireability-2023-09 is UNSAT
FORMULA ASLink-PT-10a-ReachabilityFireability-2023-09 TRUE TECHNIQUES SMT_REFINEMENT
Problem ASLink-PT-10a-ReachabilityFireability-2024-10 is UNSAT
FORMULA ASLink-PT-10a-ReachabilityFireability-2024-10 TRUE TECHNIQUES SMT_REFINEMENT
Problem ASLink-PT-10a-ReachabilityFireability-2024-15 is UNSAT
FORMULA ASLink-PT-10a-ReachabilityFireability-2024-15 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 12 (OVERLAPS) 2655/4275 variables, 1620/1927 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/4275 variables, 55/1982 constraints. Problems are: Problem set: 6 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4275/4275 variables, and 1983 constraints, problems are : Problem set: 6 solved, 1 unsolved in 49477 ms.
Refiners :[Positive P Invariants (semi-flows): 88/88 constraints, Generalized P Invariants (flows): 207/207 constraints, State Equation: 1620/1620 constraints, ReadFeed: 55/55 constraints, PredecessorRefiner: 1/7 constraints, Known Traps: 12/12 constraints]
After SMT, in 58116ms problems are : Problem set: 6 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 41 out of 1620 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1620/1620 places, 2655/2655 transitions.
Ensure Unique test removed 1 places
Discarding 3 places :
Implicit places reduction removed 3 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 13 rules applied. Total rules applied 13 place count 1616 transition count 2646
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 22 place count 1607 transition count 2646
Performed 24 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 24 Pre rules applied. Total rules applied 22 place count 1607 transition count 2622
Deduced a syphon composed of 24 places in 4 ms
Ensure Unique test removed 10 places
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 2 with 58 rules applied. Total rules applied 80 place count 1573 transition count 2622
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 1 rules applied. Total rules applied 81 place count 1573 transition count 2621
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 82 place count 1572 transition count 2621
Discarding 6 places :
Symmetric choice reduction at 4 with 6 rule applications. Total rules 88 place count 1566 transition count 2583
Iterating global reduction 4 with 6 rules applied. Total rules applied 94 place count 1566 transition count 2583
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 95 place count 1565 transition count 2575
Iterating global reduction 4 with 1 rules applied. Total rules applied 96 place count 1565 transition count 2575
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 97 place count 1564 transition count 2567
Iterating global reduction 4 with 1 rules applied. Total rules applied 98 place count 1564 transition count 2567
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 99 place count 1563 transition count 2559
Iterating global reduction 4 with 1 rules applied. Total rules applied 100 place count 1563 transition count 2559
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 101 place count 1562 transition count 2551
Iterating global reduction 4 with 1 rules applied. Total rules applied 102 place count 1562 transition count 2551
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 4 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 4 with 26 rules applied. Total rules applied 128 place count 1549 transition count 2538
Free-agglomeration rule applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 129 place count 1549 transition count 2537
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 130 place count 1548 transition count 2537
Free-agglomeration rule (complex) applied 7 times.
Iterating global reduction 5 with 7 rules applied. Total rules applied 137 place count 1548 transition count 2530
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 5 with 7 rules applied. Total rules applied 144 place count 1541 transition count 2530
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 6 with 6 rules applied. Total rules applied 150 place count 1541 transition count 2530
Applied a total of 150 rules in 762 ms. Remains 1541 /1620 variables (removed 79) and now considering 2530/2655 (removed 125) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 764 ms. Remains : 1541/1620 places, 2530/2655 transitions.
RANDOM walk for 40000 steps (299 resets) in 382 ms. (104 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (29 resets) in 278 ms. (143 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 134894 steps, run timeout after 3001 ms. (steps per millisecond=44 ) properties seen :0 out of 1
Probabilistic random walk after 134894 steps, saw 41207 distinct states, run finished after 3001 ms. (steps per millisecond=44 ) properties seen :0
// Phase 1: matrix 2530 rows 1541 cols
[2024-06-01 11:59:50] [INFO ] Computed 281 invariants in 49 ms
[2024-06-01 11:59:50] [INFO ] State equation strengthened by 60 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 163/204 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/204 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 246/450 variables, 63/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/450 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1024/1474 variables, 186/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1474 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 67/1541 variables, 14/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1541 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2530/4071 variables, 1541/1822 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/4071 variables, 60/1882 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/4071 variables, 0/1882 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/4071 variables, 0/1882 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4071/4071 variables, and 1882 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3449 ms.
Refiners :[Positive P Invariants (semi-flows): 81/81 constraints, Generalized P Invariants (flows): 200/200 constraints, State Equation: 1541/1541 constraints, ReadFeed: 60/60 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) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 163/204 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/204 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 246/450 variables, 63/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/450 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1024/1474 variables, 186/267 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-06-01 11:59:55] [INFO ] Deduced a trap composed of 33 places in 1390 ms of which 16 ms to minimize.
[2024-06-01 11:59:56] [INFO ] Deduced a trap composed of 70 places in 1394 ms of which 14 ms to minimize.
[2024-06-01 11:59:58] [INFO ] Deduced a trap composed of 66 places in 1213 ms of which 15 ms to minimize.
[2024-06-01 11:59:59] [INFO ] Deduced a trap composed of 25 places in 1229 ms of which 13 ms to minimize.
[2024-06-01 12:00:00] [INFO ] Deduced a trap composed of 33 places in 1207 ms of which 13 ms to minimize.
[2024-06-01 12:00:02] [INFO ] Deduced a trap composed of 71 places in 1354 ms of which 14 ms to minimize.
[2024-06-01 12:00:03] [INFO ] Deduced a trap composed of 63 places in 1145 ms of which 14 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/1474 variables, 7/274 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-06-01 12:00:03] [INFO ] Deduced a trap composed of 42 places in 180 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/1474 variables, 1/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1474 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 67/1541 variables, 14/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1541 variables, 0/289 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 2530/4071 variables, 1541/1830 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/4071 variables, 60/1890 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4071/4071 variables, and 1891 constraints, problems are : Problem set: 0 solved, 1 unsolved in 27266 ms.
Refiners :[Positive P Invariants (semi-flows): 81/81 constraints, Generalized P Invariants (flows): 200/200 constraints, State Equation: 1541/1541 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 8/8 constraints]
After SMT, in 30814ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 458 ms.
Support contains 41 out of 1541 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1541/1541 places, 2530/2530 transitions.
Applied a total of 0 rules in 107 ms. Remains 1541 /1541 variables (removed 0) and now considering 2530/2530 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 107 ms. Remains : 1541/1541 places, 2530/2530 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1541/1541 places, 2530/2530 transitions.
Applied a total of 0 rules in 107 ms. Remains 1541 /1541 variables (removed 0) and now considering 2530/2530 (removed 0) transitions.
[2024-06-01 12:00:21] [INFO ] Invariant cache hit.
[2024-06-01 12:00:24] [INFO ] Implicit Places using invariants in 3201 ms returned [1, 19, 20, 22, 32, 50, 68, 148, 161, 162, 163, 164, 165, 183, 201, 284, 299, 300, 301, 322, 340, 420, 433, 434, 435, 436, 456, 474, 555, 568, 571, 572, 573, 591, 609, 689, 702, 703, 704, 705, 706, 724, 742, 822, 835, 836, 837, 838, 858, 876, 961, 974, 975, 977, 978, 996, 1014, 1094, 1107, 1108, 1109, 1110, 1130, 1148, 1242, 1243, 1244, 1246, 1264, 1282, 1345, 1365, 1370, 1381, 1382, 1383, 1384, 1385, 1407, 1409, 1412, 1430, 1431, 1432, 1433, 1445, 1451, 1457, 1463, 1469, 1475, 1481, 1487, 1493, 1499, 1505]
[2024-06-01 12:00:24] [INFO ] Actually due to overlaps returned [1407, 1385, 32, 50, 165, 183, 322, 456, 573, 591, 706, 724, 858, 978, 996, 1130, 1246, 1264, 1412, 164, 436, 572, 705, 838, 977, 1110, 1384, 1431, 163, 301, 435, 571, 704, 837, 1109, 1244, 1383, 1409, 1430, 1, 162, 284, 300, 420, 434, 555, 689, 703, 822, 836, 961, 975, 1094, 1108, 1243, 1365, 1382, 19, 20, 68, 161, 201, 299, 340, 433, 474, 568, 609, 702, 742, 835, 876, 974, 1014, 1107, 1148, 1242, 1282, 1381, 1433, 1475, 1493, 1505, 22, 148, 1370, 1432, 1445, 1451, 1457, 1463, 1469, 1481, 1487, 1499]
Discarding 95 places :
Implicit Place search using SMT only with invariants took 3221 ms to find 95 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 1446/1541 places, 2530/2530 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 130 transitions
Trivial Post-agglo rules discarded 130 transitions
Performed 130 trivial Post agglomeration. Transition count delta: 130
Iterating post reduction 0 with 131 rules applied. Total rules applied 131 place count 1445 transition count 2400
Reduce places removed 130 places and 0 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Iterating post reduction 1 with 140 rules applied. Total rules applied 271 place count 1315 transition count 2390
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 281 place count 1305 transition count 2390
Performed 68 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 68 Pre rules applied. Total rules applied 281 place count 1305 transition count 2322
Deduced a syphon composed of 68 places in 5 ms
Ensure Unique test removed 1 places
Reduce places removed 69 places and 0 transitions.
Iterating global reduction 3 with 137 rules applied. Total rules applied 418 place count 1236 transition count 2322
Discarding 20 places :
Implicit places reduction removed 20 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 23 transitions
Trivial Post-agglo rules discarded 23 transitions
Performed 23 trivial Post agglomeration. Transition count delta: 23
Iterating post reduction 3 with 43 rules applied. Total rules applied 461 place count 1216 transition count 2299
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 4 with 23 rules applied. Total rules applied 484 place count 1193 transition count 2299
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 1 Pre rules applied. Total rules applied 484 place count 1193 transition count 2298
Deduced a syphon composed of 1 places in 5 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 486 place count 1192 transition count 2298
Discarding 18 places :
Symmetric choice reduction at 5 with 18 rule applications. Total rules 504 place count 1174 transition count 2280
Iterating global reduction 5 with 18 rules applied. Total rules applied 522 place count 1174 transition count 2280
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 526 place count 1174 transition count 2276
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 526 place count 1174 transition count 2275
Deduced a syphon composed of 1 places in 5 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 528 place count 1173 transition count 2275
Discarding 4 places :
Symmetric choice reduction at 6 with 4 rule applications. Total rules 532 place count 1169 transition count 2271
Iterating global reduction 6 with 4 rules applied. Total rules applied 536 place count 1169 transition count 2271
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 537 place count 1169 transition count 2270
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 538 place count 1168 transition count 2269
Iterating global reduction 7 with 1 rules applied. Total rules applied 539 place count 1168 transition count 2269
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 540 place count 1167 transition count 2268
Iterating global reduction 7 with 1 rules applied. Total rules applied 541 place count 1167 transition count 2268
Performed 75 Post agglomeration using F-continuation condition.Transition count delta: 75
Deduced a syphon composed of 75 places in 4 ms
Reduce places removed 75 places and 0 transitions.
Iterating global reduction 7 with 150 rules applied. Total rules applied 691 place count 1092 transition count 2193
Discarding 5 places :
Symmetric choice reduction at 7 with 5 rule applications. Total rules 696 place count 1087 transition count 2188
Iterating global reduction 7 with 5 rules applied. Total rules applied 701 place count 1087 transition count 2188
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 7 with 5 rules applied. Total rules applied 706 place count 1087 transition count 2183
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 707 place count 1087 transition count 2182
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 709 place count 1086 transition count 2181
Free-agglomeration rule applied 5 times.
Iterating global reduction 8 with 5 rules applied. Total rules applied 714 place count 1086 transition count 2176
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 8 with 9 rules applied. Total rules applied 723 place count 1081 transition count 2172
Free-agglomeration rule (complex) applied 25 times.
Iterating global reduction 9 with 25 rules applied. Total rules applied 748 place count 1081 transition count 2147
Ensure Unique test removed 1 places
Reduce places removed 26 places and 0 transitions.
Iterating post reduction 9 with 26 rules applied. Total rules applied 774 place count 1055 transition count 2147
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 775 place count 1054 transition count 2146
Iterating global reduction 10 with 1 rules applied. Total rules applied 776 place count 1054 transition count 2146
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 777 place count 1054 transition count 2145
Partial Free-agglomeration rule applied 23 times.
Drop transitions (Partial Free agglomeration) removed 23 transitions
Iterating global reduction 11 with 23 rules applied. Total rules applied 800 place count 1054 transition count 2145
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 801 place count 1054 transition count 2145
Applied a total of 801 rules in 1308 ms. Remains 1054 /1446 variables (removed 392) and now considering 2145/2530 (removed 385) transitions.
// Phase 1: matrix 2145 rows 1054 cols
[2024-06-01 12:00:26] [INFO ] Computed 163 invariants in 29 ms
[2024-06-01 12:00:28] [INFO ] Implicit Places using invariants in 2007 ms returned [74, 91, 97, 100, 102, 107, 108, 160, 193, 200, 205, 206, 262, 283, 289, 292, 294, 295, 300, 305, 306, 383, 391, 396, 397, 404, 411, 412, 466, 483, 489, 492, 494, 495, 500, 501, 553, 570, 576, 579, 581, 582, 587, 588, 643, 684, 689, 694, 699, 700, 753, 770, 776, 779, 781, 782, 847, 884, 889, 896, 901, 902, 955, 973, 986, 987]
[2024-06-01 12:00:28] [INFO ] Actually due to overlaps returned [200, 694, 987, 495, 582, 782, 300, 305, 306, 896, 91, 97, 102, 283, 289, 294, 391, 483, 489, 494, 570, 576, 581, 770, 776, 781, 74, 160, 193, 262, 295, 383, 396, 397, 404, 466, 553, 643, 684, 689, 753, 847, 884, 889, 955, 973, 986]
Discarding 47 places :
Implicit Place search using SMT only with invariants took 2013 ms to find 47 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 1007/1541 places, 2145/2530 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1007 transition count 2144
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 1006 transition count 2144
Discarding 27 places :
Symmetric choice reduction at 2 with 27 rule applications. Total rules 29 place count 979 transition count 2117
Iterating global reduction 2 with 27 rules applied. Total rules applied 56 place count 979 transition count 2117
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 63 place count 972 transition count 2110
Iterating global reduction 2 with 7 rules applied. Total rules applied 70 place count 972 transition count 2110
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 4 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 104 place count 955 transition count 2093
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 106 place count 953 transition count 2089
Iterating global reduction 2 with 2 rules applied. Total rules applied 108 place count 953 transition count 2089
Free-agglomeration rule applied 21 times.
Iterating global reduction 2 with 21 rules applied. Total rules applied 129 place count 953 transition count 2068
Reduce places removed 21 places and 0 transitions.
Iterating post reduction 2 with 21 rules applied. Total rules applied 150 place count 932 transition count 2068
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 3 with 5 rules applied. Total rules applied 155 place count 932 transition count 2063
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 160 place count 927 transition count 2063
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 161 place count 927 transition count 2063
Applied a total of 161 rules in 458 ms. Remains 927 /1007 variables (removed 80) and now considering 2063/2145 (removed 82) transitions.
// Phase 1: matrix 2063 rows 927 cols
[2024-06-01 12:00:28] [INFO ] Computed 116 invariants in 40 ms
[2024-06-01 12:00:30] [INFO ] Implicit Places using invariants in 1563 ms returned [96, 97, 189, 190, 358, 359, 431, 432, 502, 503, 606, 607, 785, 786]
Discarding 14 places :
Implicit Place search using SMT only with invariants took 1568 ms to find 14 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 913/1541 places, 2063/2530 transitions.
Applied a total of 0 rules in 56 ms. Remains 913 /913 variables (removed 0) and now considering 2063/2063 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 4 iterations and 8731 ms. Remains : 913/1541 places, 2063/2530 transitions.
RANDOM walk for 40000 steps (523 resets) in 245 ms. (162 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (59 resets) in 241 ms. (165 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 217003 steps, run timeout after 3001 ms. (steps per millisecond=72 ) properties seen :0 out of 1
Probabilistic random walk after 217003 steps, saw 46255 distinct states, run finished after 3001 ms. (steps per millisecond=72 ) properties seen :0
// Phase 1: matrix 2063 rows 913 cols
[2024-06-01 12:00:33] [INFO ] Computed 102 invariants in 24 ms
[2024-06-01 12:00:33] [INFO ] State equation strengthened by 9 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 93/134 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/134 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 73/207 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 653/860 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/860 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 53/913 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/913 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2063/2976 variables, 913/1015 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2976 variables, 9/1024 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2976 variables, 0/1024 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/2976 variables, 0/1024 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2976/2976 variables, and 1024 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1553 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 81/81 constraints, State Equation: 913/913 constraints, ReadFeed: 9/9 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) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 93/134 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/134 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 73/207 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/207 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 653/860 variables, 71/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-06-01 12:00:35] [INFO ] Deduced a trap composed of 24 places in 710 ms of which 8 ms to minimize.
[2024-06-01 12:00:36] [INFO ] Deduced a trap composed of 23 places in 954 ms of which 10 ms to minimize.
[2024-06-01 12:00:37] [INFO ] Deduced a trap composed of 36 places in 784 ms of which 6 ms to minimize.
[2024-06-01 12:00:38] [INFO ] Deduced a trap composed of 30 places in 432 ms of which 5 ms to minimize.
[2024-06-01 12:00:38] [INFO ] Deduced a trap composed of 26 places in 97 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/860 variables, 5/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/860 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 53/913 variables, 10/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/913 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 2063/2976 variables, 913/1020 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2976 variables, 9/1029 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2976 variables, 1/1030 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2976 variables, 0/1030 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/2976 variables, 0/1030 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2976/2976 variables, and 1030 constraints, problems are : Problem set: 0 solved, 1 unsolved in 17035 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 81/81 constraints, State Equation: 913/913 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints]
After SMT, in 18637ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 601517 steps, including 10272 resets, run visited all 1 properties in 2931 ms. (steps per millisecond=205 )
FORMULA ASLink-PT-10a-ReachabilityFireability-2024-14 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 2943 ms.
All properties solved without resorting to model-checking.
Total runtime 211982 ms.
ITS solved all properties within timeout

BK_STOP 1717243254888

--------------------
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 ReachabilityFireability -timeout 360 -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="ASLink-PT-10a"
export BK_EXAMINATION="ReachabilityFireability"
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 ASLink-PT-10a, 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 r464-smll-171620117900159"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ASLink-PT-10a.tgz
mv ASLink-PT-10a execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; 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
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;