Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r041-tajo-167813694900626.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is CANConstruction-PT-020, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r041-tajo-167813694900626
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.7K Feb 25 21:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 55K Feb 25 21:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Feb 25 21:42 CTLFireability.txt
-rw-r--r-- 1 mcc users 80K Feb 25 21:42 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.6K Feb 25 15:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 15:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Feb 25 15:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 15:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 21:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 81K Feb 25 21:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Feb 25 21:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 25 21:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 15:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 641K Mar 5 18:22 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 CANConstruction-PT-020-CTLFireability-00
FORMULA_NAME CANConstruction-PT-020-CTLFireability-01
FORMULA_NAME CANConstruction-PT-020-CTLFireability-02
FORMULA_NAME CANConstruction-PT-020-CTLFireability-03
FORMULA_NAME CANConstruction-PT-020-CTLFireability-04
FORMULA_NAME CANConstruction-PT-020-CTLFireability-05
FORMULA_NAME CANConstruction-PT-020-CTLFireability-06
FORMULA_NAME CANConstruction-PT-020-CTLFireability-07
FORMULA_NAME CANConstruction-PT-020-CTLFireability-08
FORMULA_NAME CANConstruction-PT-020-CTLFireability-09
FORMULA_NAME CANConstruction-PT-020-CTLFireability-10
FORMULA_NAME CANConstruction-PT-020-CTLFireability-11
FORMULA_NAME CANConstruction-PT-020-CTLFireability-12
FORMULA_NAME CANConstruction-PT-020-CTLFireability-13
FORMULA_NAME CANConstruction-PT-020-CTLFireability-14
FORMULA_NAME CANConstruction-PT-020-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1678651151032

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CANConstruction-PT-020
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-12 19:59:12] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-12 19:59:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 19:59:12] [INFO ] Load time of PNML (sax parser for PT used): 93 ms
[2023-03-12 19:59:12] [INFO ] Transformed 1042 places.
[2023-03-12 19:59:12] [INFO ] Transformed 1760 transitions.
[2023-03-12 19:59:12] [INFO ] Parsed PT model containing 1042 places and 1760 transitions and 5200 arcs in 163 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 11 ms.
Support contains 177 out of 1042 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1042/1042 places, 1760/1760 transitions.
Discarding 289 places :
Symmetric choice reduction at 0 with 289 rule applications. Total rules 289 place count 753 transition count 1182
Iterating global reduction 0 with 289 rules applied. Total rules applied 578 place count 753 transition count 1182
Applied a total of 578 rules in 107 ms. Remains 753 /1042 variables (removed 289) and now considering 1182/1760 (removed 578) transitions.
// Phase 1: matrix 1182 rows 753 cols
[2023-03-12 19:59:13] [INFO ] Computed 41 place invariants in 34 ms
[2023-03-12 19:59:13] [INFO ] Implicit Places using invariants in 556 ms returned [12, 26, 40, 54, 68, 82, 138, 152, 166, 222, 236, 250, 264, 278]
Discarding 14 places :
Implicit Place search using SMT only with invariants took 587 ms to find 14 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 739/1042 places, 1182/1760 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 725 transition count 1168
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 725 transition count 1168
Applied a total of 28 rules in 54 ms. Remains 725 /739 variables (removed 14) and now considering 1168/1182 (removed 14) transitions.
// Phase 1: matrix 1168 rows 725 cols
[2023-03-12 19:59:13] [INFO ] Computed 27 place invariants in 10 ms
[2023-03-12 19:59:14] [INFO ] Implicit Places using invariants in 446 ms returned []
[2023-03-12 19:59:14] [INFO ] Invariant cache hit.
[2023-03-12 19:59:14] [INFO ] State equation strengthened by 780 read => feed constraints.
[2023-03-12 19:59:16] [INFO ] Implicit Places using invariants and state equation in 1949 ms returned []
Implicit Place search using SMT with State Equation took 2410 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 725/1042 places, 1168/1760 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 3158 ms. Remains : 725/1042 places, 1168/1760 transitions.
Support contains 177 out of 725 places after structural reductions.
[2023-03-12 19:59:16] [INFO ] Flatten gal took : 187 ms
[2023-03-12 19:59:16] [INFO ] Flatten gal took : 94 ms
[2023-03-12 19:59:17] [INFO ] Input system was already deterministic with 1168 transitions.
Support contains 176 out of 725 places (down from 177) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 30 resets, run finished after 986 ms. (steps per millisecond=10 ) properties (out of 121) seen :106
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 15) seen :0
Running SMT prover for 15 properties.
[2023-03-12 19:59:18] [INFO ] Invariant cache hit.
[2023-03-12 19:59:18] [INFO ] [Real]Absence check using 21 positive place invariants in 14 ms returned sat
[2023-03-12 19:59:18] [INFO ] [Real]Absence check using 21 positive and 6 generalized place invariants in 2 ms returned sat
[2023-03-12 19:59:19] [INFO ] After 657ms SMT Verify possible using state equation in real domain returned unsat :1 sat :1 real:13
[2023-03-12 19:59:19] [INFO ] State equation strengthened by 780 read => feed constraints.
[2023-03-12 19:59:19] [INFO ] After 169ms SMT Verify possible using 780 Read/Feed constraints in real domain returned unsat :1 sat :0 real:14
[2023-03-12 19:59:19] [INFO ] After 1328ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:14
[2023-03-12 19:59:20] [INFO ] [Nat]Absence check using 21 positive place invariants in 17 ms returned sat
[2023-03-12 19:59:20] [INFO ] [Nat]Absence check using 21 positive and 6 generalized place invariants in 5 ms returned sat
[2023-03-12 19:59:21] [INFO ] After 926ms SMT Verify possible using state equation in natural domain returned unsat :2 sat :13
[2023-03-12 19:59:21] [INFO ] After 735ms SMT Verify possible using 780 Read/Feed constraints in natural domain returned unsat :2 sat :13
[2023-03-12 19:59:22] [INFO ] After 1698ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :13
Attempting to minimize the solution found.
Minimization took 549 ms.
[2023-03-12 19:59:23] [INFO ] After 3764ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :13
Fused 15 Parikh solutions to 13 different solutions.
Parikh walk visited 0 properties in 182 ms.
Support contains 59 out of 725 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Drop transitions removed 102 transitions
Trivial Post-agglo rules discarded 102 transitions
Performed 102 trivial Post agglomeration. Transition count delta: 102
Iterating post reduction 0 with 102 rules applied. Total rules applied 102 place count 725 transition count 1066
Reduce places removed 102 places and 0 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 1 with 107 rules applied. Total rules applied 209 place count 623 transition count 1061
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 214 place count 618 transition count 1061
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 16 Pre rules applied. Total rules applied 214 place count 618 transition count 1045
Deduced a syphon composed of 16 places in 1 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 246 place count 602 transition count 1045
Discarding 52 places :
Symmetric choice reduction at 3 with 52 rule applications. Total rules 298 place count 550 transition count 941
Iterating global reduction 3 with 52 rules applied. Total rules applied 350 place count 550 transition count 941
Drop transitions removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 3 with 6 rules applied. Total rules applied 356 place count 550 transition count 935
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 362 place count 544 transition count 935
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 2 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 5 with 32 rules applied. Total rules applied 394 place count 528 transition count 919
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 396 place count 527 transition count 932
Free-agglomeration rule applied 5 times.
Iterating global reduction 5 with 5 rules applied. Total rules applied 401 place count 527 transition count 927
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 5 with 5 rules applied. Total rules applied 406 place count 522 transition count 927
Free-agglomeration rule (complex) applied 6 times.
Iterating global reduction 6 with 6 rules applied. Total rules applied 412 place count 522 transition count 921
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 418 place count 516 transition count 921
Partial Free-agglomeration rule applied 23 times.
Drop transitions removed 23 transitions
Iterating global reduction 7 with 23 rules applied. Total rules applied 441 place count 516 transition count 921
Applied a total of 441 rules in 460 ms. Remains 516 /725 variables (removed 209) and now considering 921/1168 (removed 247) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 461 ms. Remains : 516/725 places, 921/1168 transitions.
Incomplete random walk after 10000 steps, including 65 resets, run finished after 276 ms. (steps per millisecond=36 ) properties (out of 13) seen :3
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 10) seen :1
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 9) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 8) seen :0
Running SMT prover for 8 properties.
// Phase 1: matrix 921 rows 516 cols
[2023-03-12 19:59:24] [INFO ] Computed 27 place invariants in 6 ms
[2023-03-12 19:59:24] [INFO ] [Real]Absence check using 21 positive place invariants in 8 ms returned sat
[2023-03-12 19:59:24] [INFO ] [Real]Absence check using 21 positive and 6 generalized place invariants in 5 ms returned sat
[2023-03-12 19:59:25] [INFO ] After 371ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:7
[2023-03-12 19:59:25] [INFO ] State equation strengthened by 798 read => feed constraints.
[2023-03-12 19:59:25] [INFO ] After 80ms SMT Verify possible using 798 Read/Feed constraints in real domain returned unsat :0 sat :0 real:8
[2023-03-12 19:59:25] [INFO ] After 683ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
[2023-03-12 19:59:25] [INFO ] [Nat]Absence check using 21 positive place invariants in 8 ms returned sat
[2023-03-12 19:59:25] [INFO ] [Nat]Absence check using 21 positive and 6 generalized place invariants in 2 ms returned sat
[2023-03-12 19:59:25] [INFO ] After 519ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :8
[2023-03-12 19:59:26] [INFO ] After 438ms SMT Verify possible using 798 Read/Feed constraints in natural domain returned unsat :0 sat :8
[2023-03-12 19:59:27] [INFO ] After 1244ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :8
Attempting to minimize the solution found.
Minimization took 248 ms.
[2023-03-12 19:59:27] [INFO ] After 2208ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :8
Parikh walk visited 0 properties in 48 ms.
Support contains 37 out of 516 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 516/516 places, 921/921 transitions.
Drop transitions 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 516 transition count 919
Reduce places removed 2 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 4 rules applied. Total rules applied 6 place count 514 transition count 917
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 8 place count 512 transition count 917
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 8 place count 512 transition count 916
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 10 place count 511 transition count 916
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 30 place count 501 transition count 906
Free-agglomeration rule applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 31 place count 501 transition count 905
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 32 place count 500 transition count 905
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 33 place count 500 transition count 905
Applied a total of 33 rules in 470 ms. Remains 500 /516 variables (removed 16) and now considering 905/921 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 470 ms. Remains : 500/516 places, 905/921 transitions.
Incomplete random walk after 10000 steps, including 70 resets, run finished after 442 ms. (steps per millisecond=22 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 8) seen :1
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 7) seen :1
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 6) seen :1
Running SMT prover for 5 properties.
// Phase 1: matrix 905 rows 500 cols
[2023-03-12 19:59:28] [INFO ] Computed 27 place invariants in 5 ms
[2023-03-12 19:59:28] [INFO ] [Real]Absence check using 21 positive place invariants in 17 ms returned sat
[2023-03-12 19:59:28] [INFO ] [Real]Absence check using 21 positive and 6 generalized place invariants in 2 ms returned sat
[2023-03-12 19:59:29] [INFO ] After 305ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:4
[2023-03-12 19:59:29] [INFO ] State equation strengthened by 806 read => feed constraints.
[2023-03-12 19:59:29] [INFO ] After 83ms SMT Verify possible using 806 Read/Feed constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-12 19:59:29] [INFO ] After 613ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-12 19:59:29] [INFO ] [Nat]Absence check using 21 positive place invariants in 14 ms returned sat
[2023-03-12 19:59:29] [INFO ] [Nat]Absence check using 21 positive and 6 generalized place invariants in 2 ms returned sat
[2023-03-12 19:59:29] [INFO ] After 445ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-12 19:59:30] [INFO ] After 319ms SMT Verify possible using 806 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-12 19:59:30] [INFO ] After 575ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 213 ms.
[2023-03-12 19:59:30] [INFO ] After 1416ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 0 properties in 16 ms.
Support contains 27 out of 500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 500/500 places, 905/905 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 494 transition count 899
Applied a total of 12 rules in 159 ms. Remains 494 /500 variables (removed 6) and now considering 899/905 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 159 ms. Remains : 494/500 places, 899/905 transitions.
Incomplete random walk after 10000 steps, including 71 resets, run finished after 299 ms. (steps per millisecond=33 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 357366 steps, run timeout after 3001 ms. (steps per millisecond=119 ) properties seen :{}
Probabilistic random walk after 357366 steps, saw 57536 distinct states, run finished after 3005 ms. (steps per millisecond=118 ) properties seen :0
Running SMT prover for 5 properties.
// Phase 1: matrix 899 rows 494 cols
[2023-03-12 19:59:34] [INFO ] Computed 27 place invariants in 6 ms
[2023-03-12 19:59:34] [INFO ] [Real]Absence check using 21 positive place invariants in 160 ms returned sat
[2023-03-12 19:59:34] [INFO ] [Real]Absence check using 21 positive and 6 generalized place invariants in 54 ms returned sat
[2023-03-12 19:59:35] [INFO ] After 315ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:4
[2023-03-12 19:59:35] [INFO ] State equation strengthened by 810 read => feed constraints.
[2023-03-12 19:59:35] [INFO ] After 101ms SMT Verify possible using 810 Read/Feed constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-12 19:59:35] [INFO ] After 1212ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-12 19:59:35] [INFO ] [Nat]Absence check using 21 positive place invariants in 11 ms returned sat
[2023-03-12 19:59:35] [INFO ] [Nat]Absence check using 21 positive and 6 generalized place invariants in 3 ms returned sat
[2023-03-12 19:59:36] [INFO ] After 319ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-12 19:59:36] [INFO ] After 275ms SMT Verify possible using 810 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-12 19:59:36] [INFO ] After 548ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 161 ms.
[2023-03-12 19:59:36] [INFO ] After 1262ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 0 properties in 32 ms.
Support contains 27 out of 494 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 494/494 places, 899/899 transitions.
Applied a total of 0 rules in 37 ms. Remains 494 /494 variables (removed 0) and now considering 899/899 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 494/494 places, 899/899 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 494/494 places, 899/899 transitions.
Applied a total of 0 rules in 32 ms. Remains 494 /494 variables (removed 0) and now considering 899/899 (removed 0) transitions.
[2023-03-12 19:59:36] [INFO ] Invariant cache hit.
[2023-03-12 19:59:37] [INFO ] Implicit Places using invariants in 451 ms returned [27, 31, 38, 57, 62, 66]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 453 ms to find 6 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 488/494 places, 899/899 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 484 transition count 895
Applied a total of 8 rules in 65 ms. Remains 484 /488 variables (removed 4) and now considering 895/899 (removed 4) transitions.
// Phase 1: matrix 895 rows 484 cols
[2023-03-12 19:59:37] [INFO ] Computed 21 place invariants in 5 ms
[2023-03-12 19:59:37] [INFO ] Implicit Places using invariants in 267 ms returned []
[2023-03-12 19:59:37] [INFO ] Invariant cache hit.
[2023-03-12 19:59:38] [INFO ] State equation strengthened by 804 read => feed constraints.
[2023-03-12 19:59:41] [INFO ] Implicit Places using invariants and state equation in 3725 ms returned []
Implicit Place search using SMT with State Equation took 4013 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 484/494 places, 895/899 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 4564 ms. Remains : 484/494 places, 895/899 transitions.
Incomplete random walk after 10000 steps, including 71 resets, run finished after 386 ms. (steps per millisecond=25 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 225774 steps, run timeout after 3001 ms. (steps per millisecond=75 ) properties seen :{}
Probabilistic random walk after 225774 steps, saw 37511 distinct states, run finished after 3001 ms. (steps per millisecond=75 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-12 19:59:44] [INFO ] Invariant cache hit.
[2023-03-12 19:59:45] [INFO ] [Real]Absence check using 21 positive place invariants in 9 ms returned sat
[2023-03-12 19:59:45] [INFO ] After 311ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:4
[2023-03-12 19:59:45] [INFO ] State equation strengthened by 804 read => feed constraints.
[2023-03-12 19:59:45] [INFO ] After 100ms SMT Verify possible using 804 Read/Feed constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-12 19:59:45] [INFO ] After 641ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-12 19:59:45] [INFO ] [Nat]Absence check using 21 positive place invariants in 10 ms returned sat
[2023-03-12 19:59:46] [INFO ] After 318ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-12 19:59:46] [INFO ] After 234ms SMT Verify possible using 804 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-12 19:59:46] [INFO ] After 525ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 134 ms.
[2023-03-12 19:59:46] [INFO ] After 1174ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 1 properties in 31 ms.
Support contains 24 out of 484 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 484/484 places, 895/895 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 483 transition count 893
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 483 transition count 893
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 482 transition count 892
Applied a total of 4 rules in 112 ms. Remains 482 /484 variables (removed 2) and now considering 892/895 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 112 ms. Remains : 482/484 places, 892/895 transitions.
Incomplete random walk after 10000 steps, including 72 resets, run finished after 184 ms. (steps per millisecond=54 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
// Phase 1: matrix 892 rows 482 cols
[2023-03-12 19:59:47] [INFO ] Computed 21 place invariants in 4 ms
[2023-03-12 19:59:47] [INFO ] [Real]Absence check using 21 positive place invariants in 10 ms returned sat
[2023-03-12 19:59:47] [INFO ] After 238ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-12 19:59:47] [INFO ] State equation strengthened by 804 read => feed constraints.
[2023-03-12 19:59:47] [INFO ] After 93ms SMT Verify possible using 804 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-12 19:59:47] [INFO ] After 470ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-12 19:59:47] [INFO ] [Nat]Absence check using 21 positive place invariants in 10 ms returned sat
[2023-03-12 19:59:48] [INFO ] After 323ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-12 19:59:48] [INFO ] After 223ms SMT Verify possible using 804 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-12 19:59:48] [INFO ] After 423ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 151 ms.
[2023-03-12 19:59:48] [INFO ] After 1066ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 1 properties in 10 ms.
Support contains 17 out of 482 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 482/482 places, 892/892 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 482 transition count 891
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 481 transition count 890
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 480 transition count 890
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 8 place count 476 transition count 882
Iterating global reduction 3 with 4 rules applied. Total rules applied 12 place count 476 transition count 882
Applied a total of 12 rules in 150 ms. Remains 476 /482 variables (removed 6) and now considering 882/892 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 150 ms. Remains : 476/482 places, 882/892 transitions.
Incomplete random walk after 10000 steps, including 71 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 450464 steps, run timeout after 3001 ms. (steps per millisecond=150 ) properties seen :{}
Probabilistic random walk after 450464 steps, saw 96947 distinct states, run finished after 3001 ms. (steps per millisecond=150 ) properties seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 882 rows 476 cols
[2023-03-12 19:59:52] [INFO ] Computed 21 place invariants in 4 ms
[2023-03-12 19:59:52] [INFO ] [Real]Absence check using 21 positive place invariants in 8 ms returned sat
[2023-03-12 19:59:52] [INFO ] After 340ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-12 19:59:52] [INFO ] [Nat]Absence check using 21 positive place invariants in 8 ms returned sat
[2023-03-12 19:59:52] [INFO ] After 238ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-12 19:59:52] [INFO ] State equation strengthened by 804 read => feed constraints.
[2023-03-12 19:59:52] [INFO ] After 148ms SMT Verify possible using 804 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-12 19:59:52] [INFO ] After 242ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 60 ms.
[2023-03-12 19:59:53] [INFO ] After 691ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 3 ms.
Support contains 17 out of 476 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 476/476 places, 882/882 transitions.
Applied a total of 0 rules in 36 ms. Remains 476 /476 variables (removed 0) and now considering 882/882 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 476/476 places, 882/882 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 476/476 places, 882/882 transitions.
Applied a total of 0 rules in 34 ms. Remains 476 /476 variables (removed 0) and now considering 882/882 (removed 0) transitions.
[2023-03-12 19:59:53] [INFO ] Invariant cache hit.
[2023-03-12 19:59:53] [INFO ] Implicit Places using invariants in 397 ms returned []
[2023-03-12 19:59:53] [INFO ] Invariant cache hit.
[2023-03-12 19:59:53] [INFO ] State equation strengthened by 804 read => feed constraints.
[2023-03-12 19:59:57] [INFO ] Implicit Places using invariants and state equation in 3956 ms returned []
Implicit Place search using SMT with State Equation took 4361 ms to find 0 implicit places.
[2023-03-12 19:59:57] [INFO ] Redundant transitions in 63 ms returned []
[2023-03-12 19:59:57] [INFO ] Invariant cache hit.
[2023-03-12 19:59:58] [INFO ] Dead Transitions using invariants and state equation in 675 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5165 ms. Remains : 476/476 places, 882/882 transitions.
Graph (trivial) has 753 edges and 476 vertex of which 349 / 476 are part of one of the 17 SCC in 9 ms
Free SCC test removed 332 places
Drop transitions removed 648 transitions
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 666 transitions.
Graph (complete) has 287 edges and 144 vertex of which 106 are kept as prefixes of interest. Removing 38 places using SCC suffix rule.1 ms
Discarding 38 places :
Also discarding 21 output transitions
Drop transitions removed 21 transitions
Drop transitions removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Drop transitions removed 19 transitions
Trivial Post-agglo rules discarded 19 transitions
Performed 19 trivial Post agglomeration. Transition count delta: 19
Iterating post reduction 0 with 41 rules applied. Total rules applied 43 place count 106 transition count 154
Reduce places removed 19 places and 0 transitions.
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Performed 37 Post agglomeration using F-continuation condition.Transition count delta: 37
Iterating post reduction 1 with 74 rules applied. Total rules applied 117 place count 87 transition count 99
Reduce places removed 37 places and 0 transitions.
Ensure Unique test removed 34 transitions
Reduce isomorphic transitions removed 34 transitions.
Iterating post reduction 2 with 71 rules applied. Total rules applied 188 place count 50 transition count 65
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 188 place count 50 transition count 63
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 192 place count 48 transition count 63
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 193 place count 47 transition count 62
Iterating global reduction 3 with 1 rules applied. Total rules applied 194 place count 47 transition count 62
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 195 place count 47 transition count 61
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 197 place count 46 transition count 60
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 199 place count 46 transition count 58
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 4 with 2 rules applied. Total rules applied 201 place count 46 transition count 56
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 203 place count 44 transition count 56
Free-agglomeration rule applied 7 times.
Iterating global reduction 6 with 7 rules applied. Total rules applied 210 place count 44 transition count 49
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 6 with 7 rules applied. Total rules applied 217 place count 37 transition count 49
Partial Free-agglomeration rule applied 5 times.
Drop transitions removed 5 transitions
Iterating global reduction 7 with 5 rules applied. Total rules applied 222 place count 37 transition count 49
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 226 place count 33 transition count 45
Iterating global reduction 7 with 4 rules applied. Total rules applied 230 place count 33 transition count 45
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 231 place count 32 transition count 44
Applied a total of 231 rules in 37 ms. Remains 32 /476 variables (removed 444) and now considering 44/882 (removed 838) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 44 rows 32 cols
[2023-03-12 19:59:58] [INFO ] Computed 7 place invariants in 0 ms
[2023-03-12 19:59:58] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2023-03-12 19:59:58] [INFO ] After 29ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-12 19:59:58] [INFO ] [Nat]Absence check using 7 positive place invariants in 1 ms returned sat
[2023-03-12 19:59:58] [INFO ] After 44ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-12 19:59:58] [INFO ] After 56ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 8 ms.
[2023-03-12 19:59:58] [INFO ] After 117ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Successfully simplified 2 atomic propositions for a total of 16 simplifications.
[2023-03-12 19:59:58] [INFO ] Flatten gal took : 112 ms
[2023-03-12 19:59:58] [INFO ] Flatten gal took : 74 ms
[2023-03-12 19:59:58] [INFO ] Input system was already deterministic with 1168 transitions.
Support contains 166 out of 725 places (down from 168) after GAL structural reductions.
Computed a total of 67 stabilizing places and 86 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Discarding 71 places :
Symmetric choice reduction at 0 with 71 rule applications. Total rules 71 place count 654 transition count 1026
Iterating global reduction 0 with 71 rules applied. Total rules applied 142 place count 654 transition count 1026
Applied a total of 142 rules in 49 ms. Remains 654 /725 variables (removed 71) and now considering 1026/1168 (removed 142) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 49 ms. Remains : 654/725 places, 1026/1168 transitions.
[2023-03-12 19:59:59] [INFO ] Flatten gal took : 39 ms
[2023-03-12 19:59:59] [INFO ] Flatten gal took : 58 ms
[2023-03-12 19:59:59] [INFO ] Input system was already deterministic with 1026 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Drop transitions removed 122 transitions
Trivial Post-agglo rules discarded 122 transitions
Performed 122 trivial Post agglomeration. Transition count delta: 122
Iterating post reduction 0 with 122 rules applied. Total rules applied 122 place count 725 transition count 1046
Reduce places removed 122 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 123 rules applied. Total rules applied 245 place count 603 transition count 1045
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 246 place count 602 transition count 1045
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 14 Pre rules applied. Total rules applied 246 place count 602 transition count 1031
Deduced a syphon composed of 14 places in 1 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 274 place count 588 transition count 1031
Discarding 65 places :
Symmetric choice reduction at 3 with 65 rule applications. Total rules 339 place count 523 transition count 901
Iterating global reduction 3 with 65 rules applied. Total rules applied 404 place count 523 transition count 901
Drop transitions removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 3 with 9 rules applied. Total rules applied 413 place count 523 transition count 892
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 4 with 9 rules applied. Total rules applied 422 place count 514 transition count 892
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 1 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 5 with 46 rules applied. Total rules applied 468 place count 491 transition count 869
Applied a total of 468 rules in 199 ms. Remains 491 /725 variables (removed 234) and now considering 869/1168 (removed 299) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 200 ms. Remains : 491/725 places, 869/1168 transitions.
[2023-03-12 19:59:59] [INFO ] Flatten gal took : 49 ms
[2023-03-12 19:59:59] [INFO ] Flatten gal took : 52 ms
[2023-03-12 19:59:59] [INFO ] Input system was already deterministic with 869 transitions.
Starting structural reductions in LTL mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Discarding 69 places :
Symmetric choice reduction at 0 with 69 rule applications. Total rules 69 place count 656 transition count 1030
Iterating global reduction 0 with 69 rules applied. Total rules applied 138 place count 656 transition count 1030
Applied a total of 138 rules in 35 ms. Remains 656 /725 variables (removed 69) and now considering 1030/1168 (removed 138) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 35 ms. Remains : 656/725 places, 1030/1168 transitions.
[2023-03-12 19:59:59] [INFO ] Flatten gal took : 37 ms
[2023-03-12 19:59:59] [INFO ] Flatten gal took : 52 ms
[2023-03-12 19:59:59] [INFO ] Input system was already deterministic with 1030 transitions.
Starting structural reductions in LTL mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Discarding 70 places :
Symmetric choice reduction at 0 with 70 rule applications. Total rules 70 place count 655 transition count 1028
Iterating global reduction 0 with 70 rules applied. Total rules applied 140 place count 655 transition count 1028
Applied a total of 140 rules in 35 ms. Remains 655 /725 variables (removed 70) and now considering 1028/1168 (removed 140) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 35 ms. Remains : 655/725 places, 1028/1168 transitions.
[2023-03-12 19:59:59] [INFO ] Flatten gal took : 35 ms
[2023-03-12 19:59:59] [INFO ] Flatten gal took : 25 ms
[2023-03-12 20:00:00] [INFO ] Input system was already deterministic with 1028 transitions.
Starting structural reductions in LTL mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Discarding 68 places :
Symmetric choice reduction at 0 with 68 rule applications. Total rules 68 place count 657 transition count 1032
Iterating global reduction 0 with 68 rules applied. Total rules applied 136 place count 657 transition count 1032
Applied a total of 136 rules in 35 ms. Remains 657 /725 variables (removed 68) and now considering 1032/1168 (removed 136) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 36 ms. Remains : 657/725 places, 1032/1168 transitions.
[2023-03-12 20:00:00] [INFO ] Flatten gal took : 45 ms
[2023-03-12 20:00:00] [INFO ] Flatten gal took : 46 ms
[2023-03-12 20:00:00] [INFO ] Input system was already deterministic with 1032 transitions.
Starting structural reductions in LTL mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Discarding 69 places :
Symmetric choice reduction at 0 with 69 rule applications. Total rules 69 place count 656 transition count 1030
Iterating global reduction 0 with 69 rules applied. Total rules applied 138 place count 656 transition count 1030
Applied a total of 138 rules in 39 ms. Remains 656 /725 variables (removed 69) and now considering 1030/1168 (removed 138) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 40 ms. Remains : 656/725 places, 1030/1168 transitions.
[2023-03-12 20:00:00] [INFO ] Flatten gal took : 21 ms
[2023-03-12 20:00:00] [INFO ] Flatten gal took : 38 ms
[2023-03-12 20:00:00] [INFO ] Input system was already deterministic with 1030 transitions.
Starting structural reductions in LTL mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Discarding 69 places :
Symmetric choice reduction at 0 with 69 rule applications. Total rules 69 place count 656 transition count 1030
Iterating global reduction 0 with 69 rules applied. Total rules applied 138 place count 656 transition count 1030
Applied a total of 138 rules in 36 ms. Remains 656 /725 variables (removed 69) and now considering 1030/1168 (removed 138) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 37 ms. Remains : 656/725 places, 1030/1168 transitions.
[2023-03-12 20:00:00] [INFO ] Flatten gal took : 33 ms
[2023-03-12 20:00:00] [INFO ] Flatten gal took : 37 ms
[2023-03-12 20:00:00] [INFO ] Input system was already deterministic with 1030 transitions.
Starting structural reductions in LTL mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Discarding 57 places :
Symmetric choice reduction at 0 with 57 rule applications. Total rules 57 place count 668 transition count 1054
Iterating global reduction 0 with 57 rules applied. Total rules applied 114 place count 668 transition count 1054
Applied a total of 114 rules in 33 ms. Remains 668 /725 variables (removed 57) and now considering 1054/1168 (removed 114) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34 ms. Remains : 668/725 places, 1054/1168 transitions.
[2023-03-12 20:00:00] [INFO ] Flatten gal took : 49 ms
[2023-03-12 20:00:00] [INFO ] Flatten gal took : 46 ms
[2023-03-12 20:00:00] [INFO ] Input system was already deterministic with 1054 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Drop transitions removed 117 transitions
Trivial Post-agglo rules discarded 117 transitions
Performed 117 trivial Post agglomeration. Transition count delta: 117
Iterating post reduction 0 with 117 rules applied. Total rules applied 117 place count 725 transition count 1051
Reduce places removed 117 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 119 rules applied. Total rules applied 236 place count 608 transition count 1049
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 238 place count 606 transition count 1049
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 15 Pre rules applied. Total rules applied 238 place count 606 transition count 1034
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 268 place count 591 transition count 1034
Discarding 65 places :
Symmetric choice reduction at 3 with 65 rule applications. Total rules 333 place count 526 transition count 904
Iterating global reduction 3 with 65 rules applied. Total rules applied 398 place count 526 transition count 904
Drop transitions removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 3 with 10 rules applied. Total rules applied 408 place count 526 transition count 894
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 418 place count 516 transition count 894
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 5 with 38 rules applied. Total rules applied 456 place count 497 transition count 875
Applied a total of 456 rules in 90 ms. Remains 497 /725 variables (removed 228) and now considering 875/1168 (removed 293) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 90 ms. Remains : 497/725 places, 875/1168 transitions.
[2023-03-12 20:00:00] [INFO ] Flatten gal took : 30 ms
[2023-03-12 20:00:01] [INFO ] Flatten gal took : 29 ms
[2023-03-12 20:00:01] [INFO ] Input system was already deterministic with 875 transitions.
Starting structural reductions in LTL mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Discarding 69 places :
Symmetric choice reduction at 0 with 69 rule applications. Total rules 69 place count 656 transition count 1030
Iterating global reduction 0 with 69 rules applied. Total rules applied 138 place count 656 transition count 1030
Applied a total of 138 rules in 35 ms. Remains 656 /725 variables (removed 69) and now considering 1030/1168 (removed 138) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 35 ms. Remains : 656/725 places, 1030/1168 transitions.
[2023-03-12 20:00:01] [INFO ] Flatten gal took : 31 ms
[2023-03-12 20:00:01] [INFO ] Flatten gal took : 33 ms
[2023-03-12 20:00:01] [INFO ] Input system was already deterministic with 1030 transitions.
Starting structural reductions in LTL mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Discarding 68 places :
Symmetric choice reduction at 0 with 68 rule applications. Total rules 68 place count 657 transition count 1032
Iterating global reduction 0 with 68 rules applied. Total rules applied 136 place count 657 transition count 1032
Applied a total of 136 rules in 33 ms. Remains 657 /725 variables (removed 68) and now considering 1032/1168 (removed 136) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34 ms. Remains : 657/725 places, 1032/1168 transitions.
[2023-03-12 20:00:01] [INFO ] Flatten gal took : 50 ms
[2023-03-12 20:00:01] [INFO ] Flatten gal took : 35 ms
[2023-03-12 20:00:01] [INFO ] Input system was already deterministic with 1032 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Drop transitions removed 122 transitions
Trivial Post-agglo rules discarded 122 transitions
Performed 122 trivial Post agglomeration. Transition count delta: 122
Iterating post reduction 0 with 122 rules applied. Total rules applied 122 place count 725 transition count 1046
Reduce places removed 122 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 123 rules applied. Total rules applied 245 place count 603 transition count 1045
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 246 place count 602 transition count 1045
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 16 Pre rules applied. Total rules applied 246 place count 602 transition count 1029
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 3 with 32 rules applied. Total rules applied 278 place count 586 transition count 1029
Discarding 67 places :
Symmetric choice reduction at 3 with 67 rule applications. Total rules 345 place count 519 transition count 895
Iterating global reduction 3 with 67 rules applied. Total rules applied 412 place count 519 transition count 895
Drop transitions removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 3 with 11 rules applied. Total rules applied 423 place count 519 transition count 884
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 4 with 11 rules applied. Total rules applied 434 place count 508 transition count 884
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 5 with 36 rules applied. Total rules applied 470 place count 490 transition count 866
Applied a total of 470 rules in 98 ms. Remains 490 /725 variables (removed 235) and now considering 866/1168 (removed 302) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 100 ms. Remains : 490/725 places, 866/1168 transitions.
[2023-03-12 20:00:01] [INFO ] Flatten gal took : 17 ms
[2023-03-12 20:00:01] [INFO ] Flatten gal took : 17 ms
[2023-03-12 20:00:01] [INFO ] Input system was already deterministic with 866 transitions.
Starting structural reductions in LTL mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Discarding 55 places :
Symmetric choice reduction at 0 with 55 rule applications. Total rules 55 place count 670 transition count 1058
Iterating global reduction 0 with 55 rules applied. Total rules applied 110 place count 670 transition count 1058
Applied a total of 110 rules in 33 ms. Remains 670 /725 variables (removed 55) and now considering 1058/1168 (removed 110) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 33 ms. Remains : 670/725 places, 1058/1168 transitions.
[2023-03-12 20:00:01] [INFO ] Flatten gal took : 32 ms
[2023-03-12 20:00:01] [INFO ] Flatten gal took : 21 ms
[2023-03-12 20:00:01] [INFO ] Input system was already deterministic with 1058 transitions.
Starting structural reductions in LTL mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Discarding 70 places :
Symmetric choice reduction at 0 with 70 rule applications. Total rules 70 place count 655 transition count 1028
Iterating global reduction 0 with 70 rules applied. Total rules applied 140 place count 655 transition count 1028
Applied a total of 140 rules in 33 ms. Remains 655 /725 variables (removed 70) and now considering 1028/1168 (removed 140) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34 ms. Remains : 655/725 places, 1028/1168 transitions.
[2023-03-12 20:00:01] [INFO ] Flatten gal took : 19 ms
[2023-03-12 20:00:01] [INFO ] Flatten gal took : 18 ms
[2023-03-12 20:00:01] [INFO ] Input system was already deterministic with 1028 transitions.
Starting structural reductions in LTL mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Discarding 66 places :
Symmetric choice reduction at 0 with 66 rule applications. Total rules 66 place count 659 transition count 1036
Iterating global reduction 0 with 66 rules applied. Total rules applied 132 place count 659 transition count 1036
Applied a total of 132 rules in 34 ms. Remains 659 /725 variables (removed 66) and now considering 1036/1168 (removed 132) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34 ms. Remains : 659/725 places, 1036/1168 transitions.
[2023-03-12 20:00:01] [INFO ] Flatten gal took : 18 ms
[2023-03-12 20:00:01] [INFO ] Flatten gal took : 31 ms
[2023-03-12 20:00:02] [INFO ] Input system was already deterministic with 1036 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 725/725 places, 1168/1168 transitions.
Drop transitions removed 124 transitions
Trivial Post-agglo rules discarded 124 transitions
Performed 124 trivial Post agglomeration. Transition count delta: 124
Iterating post reduction 0 with 124 rules applied. Total rules applied 124 place count 725 transition count 1044
Reduce places removed 124 places and 0 transitions.
Iterating post reduction 1 with 124 rules applied. Total rules applied 248 place count 601 transition count 1044
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 14 Pre rules applied. Total rules applied 248 place count 601 transition count 1030
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 276 place count 587 transition count 1030
Discarding 69 places :
Symmetric choice reduction at 2 with 69 rule applications. Total rules 345 place count 518 transition count 892
Iterating global reduction 2 with 69 rules applied. Total rules applied 414 place count 518 transition count 892
Drop transitions removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 2 with 12 rules applied. Total rules applied 426 place count 518 transition count 880
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 3 with 12 rules applied. Total rules applied 438 place count 506 transition count 880
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Deduced a syphon composed of 22 places in 0 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 4 with 44 rules applied. Total rules applied 482 place count 484 transition count 858
Applied a total of 482 rules in 64 ms. Remains 484 /725 variables (removed 241) and now considering 858/1168 (removed 310) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 65 ms. Remains : 484/725 places, 858/1168 transitions.
[2023-03-12 20:00:02] [INFO ] Flatten gal took : 27 ms
[2023-03-12 20:00:02] [INFO ] Flatten gal took : 16 ms
[2023-03-12 20:00:02] [INFO ] Input system was already deterministic with 858 transitions.
[2023-03-12 20:00:02] [INFO ] Flatten gal took : 22 ms
[2023-03-12 20:00:02] [INFO ] Flatten gal took : 21 ms
[2023-03-12 20:00:02] [INFO ] Export to MCC of 16 properties in file /home/mcc/execution/CTLFireability.sr.xml took 4 ms.
[2023-03-12 20:00:02] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 725 places, 1168 transitions and 3960 arcs took 11 ms.
Total runtime 49603 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --ctl=/tmp/568/ctl_0_ --ctl=/tmp/568/ctl_1_ --ctl=/tmp/568/ctl_2_ --ctl=/tmp/568/ctl_3_ --ctl=/tmp/568/ctl_4_ --ctl=/tmp/568/ctl_5_ --ctl=/tmp/568/ctl_6_ --ctl=/tmp/568/ctl_7_ --ctl=/tmp/568/ctl_8_ --ctl=/tmp/568/ctl_9_ --ctl=/tmp/568/ctl_10_ --ctl=/tmp/568/ctl_11_ --ctl=/tmp/568/ctl_12_ --ctl=/tmp/568/ctl_13_ --ctl=/tmp/568/ctl_14_ --ctl=/tmp/568/ctl_15_ --mu-par --mu-opt
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393356 kB
MemFree: 14956376 kB
After kill :
MemTotal: 16393356 kB
MemFree: 16100068 kB

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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLFireability -timeout 360 -rebuildPNML
mcc2023

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="CANConstruction-PT-020"
export BK_EXAMINATION="CTLFireability"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is CANConstruction-PT-020, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r041-tajo-167813694900626"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANConstruction-PT-020.tgz
mv CANConstruction-PT-020 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;