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-167813695100714.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is CANInsertWithFailure-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-167813695100714
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.1M
-rw-r--r-- 1 mcc users 9.6K Feb 26 00:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Feb 26 00:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Feb 26 00:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 26 00:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.0K Feb 25 15:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Feb 25 15:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Feb 25 15:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 21K Feb 26 01:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 173K Feb 26 01:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 26 00:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 84K Feb 26 00:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 15:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K 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 2.6M 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 CANInsertWithFailure-PT-020-CTLFireability-00
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-01
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-02
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-03
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-04
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-05
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-06
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-07
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-08
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-09
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-10
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-11
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-12
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-13
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-14
FORMULA_NAME CANInsertWithFailure-PT-020-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1678659028016

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=CANInsertWithFailure-PT-020
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-12 22:10:29] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-12 22:10:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 22:10:29] [INFO ] Load time of PNML (sax parser for PT used): 154 ms
[2023-03-12 22:10:29] [INFO ] Transformed 1044 places.
[2023-03-12 22:10:29] [INFO ] Transformed 2520 transitions.
[2023-03-12 22:10:29] [INFO ] Parsed PT model containing 1044 places and 2520 transitions and 6800 arcs in 227 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 10 ms.
Support contains 130 out of 1044 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1044/1044 places, 2520/2520 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1043 transition count 2520
Applied a total of 1 rules in 97 ms. Remains 1043 /1044 variables (removed 1) and now considering 2520/2520 (removed 0) transitions.
// Phase 1: matrix 2520 rows 1043 cols
[2023-03-12 22:10:30] [INFO ] Computed 22 place invariants in 99 ms
[2023-03-12 22:10:30] [INFO ] Implicit Places using invariants in 471 ms returned []
[2023-03-12 22:10:30] [INFO ] Invariant cache hit.
[2023-03-12 22:10:31] [INFO ] State equation strengthened by 780 read => feed constraints.
[2023-03-12 22:10:32] [INFO ] Implicit Places using invariants and state equation in 1923 ms returned []
Implicit Place search using SMT with State Equation took 2433 ms to find 0 implicit places.
[2023-03-12 22:10:32] [INFO ] Invariant cache hit.
[2023-03-12 22:10:33] [INFO ] Dead Transitions using invariants and state equation in 943 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 1043/1044 places, 2520/2520 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3497 ms. Remains : 1043/1044 places, 2520/2520 transitions.
Support contains 130 out of 1043 places after structural reductions.
[2023-03-12 22:10:34] [INFO ] Flatten gal took : 251 ms
[2023-03-12 22:10:34] [INFO ] Flatten gal took : 145 ms
[2023-03-12 22:10:34] [INFO ] Input system was already deterministic with 2520 transitions.
Support contains 129 out of 1043 places (down from 130) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 21 resets, run finished after 617 ms. (steps per millisecond=16 ) properties (out of 90) seen :74
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 16) 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 16) 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 16) 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 16) 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 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 16) 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 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 16) 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 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 16) 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 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 16) 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 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 16) seen :0
Running SMT prover for 16 properties.
[2023-03-12 22:10:35] [INFO ] Invariant cache hit.
[2023-03-12 22:10:36] [INFO ] [Real]Absence check using 20 positive place invariants in 12 ms returned sat
[2023-03-12 22:10:36] [INFO ] [Real]Absence check using 20 positive and 2 generalized place invariants in 56 ms returned sat
[2023-03-12 22:10:37] [INFO ] After 1562ms SMT Verify possible using state equation in real domain returned unsat :0 sat :8 real:8
[2023-03-12 22:10:37] [INFO ] State equation strengthened by 780 read => feed constraints.
[2023-03-12 22:10:38] [INFO ] After 647ms SMT Verify possible using 780 Read/Feed constraints in real domain returned unsat :0 sat :0 real:16
[2023-03-12 22:10:38] [INFO ] After 3028ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:16
[2023-03-12 22:10:39] [INFO ] [Nat]Absence check using 20 positive place invariants in 28 ms returned sat
[2023-03-12 22:10:39] [INFO ] [Nat]Absence check using 20 positive and 2 generalized place invariants in 18 ms returned sat
[2023-03-12 22:10:40] [INFO ] After 1413ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :16
[2023-03-12 22:10:43] [INFO ] After 2524ms SMT Verify possible using 780 Read/Feed constraints in natural domain returned unsat :0 sat :16
[2023-03-12 22:10:45] [INFO ] After 4843ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :16
Attempting to minimize the solution found.
Minimization took 1702 ms.
[2023-03-12 22:10:47] [INFO ] After 8722ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :16
Parikh walk visited 5 properties in 289 ms.
Support contains 23 out of 1043 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Drop transitions removed 132 transitions
Trivial Post-agglo rules discarded 132 transitions
Performed 132 trivial Post agglomeration. Transition count delta: 132
Iterating post reduction 0 with 132 rules applied. Total rules applied 132 place count 1043 transition count 2388
Reduce places removed 132 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 133 rules applied. Total rules applied 265 place count 911 transition count 2387
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 266 place count 910 transition count 2387
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 266 place count 910 transition count 2385
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 270 place count 908 transition count 2385
Performed 366 Post agglomeration using F-continuation condition.Transition count delta: 366
Deduced a syphon composed of 366 places in 2 ms
Reduce places removed 366 places and 0 transitions.
Iterating global reduction 3 with 732 rules applied. Total rules applied 1002 place count 542 transition count 2019
Drop transitions removed 331 transitions
Redundant transition composition rules discarded 331 transitions
Iterating global reduction 3 with 331 rules applied. Total rules applied 1333 place count 542 transition count 1688
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 3 with 5 rules applied. Total rules applied 1338 place count 542 transition count 1683
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 1343 place count 537 transition count 1683
Partial Free-agglomeration rule applied 418 times.
Drop transitions removed 418 transitions
Iterating global reduction 4 with 418 rules applied. Total rules applied 1761 place count 537 transition count 1683
Partial Free-agglomeration rule applied 40 times.
Drop transitions removed 40 transitions
Iterating global reduction 4 with 40 rules applied. Total rules applied 1801 place count 537 transition count 1683
Applied a total of 1801 rules in 487 ms. Remains 537 /1043 variables (removed 506) and now considering 1683/2520 (removed 837) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 487 ms. Remains : 537/1043 places, 1683/2520 transitions.
Incomplete random walk after 10000 steps, including 100 resets, run finished after 230 ms. (steps per millisecond=43 ) properties (out of 11) seen :6
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 5) seen :1
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
// Phase 1: matrix 1683 rows 537 cols
[2023-03-12 22:10:48] [INFO ] Computed 22 place invariants in 38 ms
[2023-03-12 22:10:48] [INFO ] [Real]Absence check using 20 positive place invariants in 7 ms returned sat
[2023-03-12 22:10:48] [INFO ] [Real]Absence check using 20 positive and 2 generalized place invariants in 9 ms returned sat
[2023-03-12 22:10:49] [INFO ] After 497ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:3
[2023-03-12 22:10:49] [INFO ] State equation strengthened by 1580 read => feed constraints.
[2023-03-12 22:10:49] [INFO ] After 188ms SMT Verify possible using 1580 Read/Feed constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-12 22:10:49] [INFO ] After 856ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-12 22:10:49] [INFO ] [Nat]Absence check using 20 positive place invariants in 5 ms returned sat
[2023-03-12 22:10:49] [INFO ] [Nat]Absence check using 20 positive and 2 generalized place invariants in 7 ms returned sat
[2023-03-12 22:10:49] [INFO ] After 477ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-12 22:10:50] [INFO ] After 427ms SMT Verify possible using 1580 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-12 22:10:50] [INFO ] After 740ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 233 ms.
[2023-03-12 22:10:50] [INFO ] After 1581ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Parikh walk visited 0 properties in 10 ms.
Support contains 15 out of 537 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 537/537 places, 1683/1683 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 531 transition count 1677
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 13 place count 531 transition count 1677
Applied a total of 13 rules in 122 ms. Remains 531 /537 variables (removed 6) and now considering 1677/1683 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 122 ms. Remains : 531/537 places, 1677/1683 transitions.
Incomplete random walk after 10000 steps, including 103 resets, run finished after 292 ms. (steps per millisecond=34 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 4) 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 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 374555 steps, run timeout after 3001 ms. (steps per millisecond=124 ) properties seen :{}
Probabilistic random walk after 374555 steps, saw 53270 distinct states, run finished after 3002 ms. (steps per millisecond=124 ) properties seen :0
Running SMT prover for 4 properties.
// Phase 1: matrix 1677 rows 531 cols
[2023-03-12 22:10:54] [INFO ] Computed 22 place invariants in 38 ms
[2023-03-12 22:10:54] [INFO ] [Real]Absence check using 20 positive place invariants in 5 ms returned sat
[2023-03-12 22:10:54] [INFO ] [Real]Absence check using 20 positive and 2 generalized place invariants in 5 ms returned sat
[2023-03-12 22:10:54] [INFO ] After 349ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:3
[2023-03-12 22:10:54] [INFO ] State equation strengthened by 1591 read => feed constraints.
[2023-03-12 22:10:55] [INFO ] After 159ms SMT Verify possible using 1591 Read/Feed constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-12 22:10:55] [INFO ] After 681ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-12 22:10:55] [INFO ] [Nat]Absence check using 20 positive place invariants in 5 ms returned sat
[2023-03-12 22:10:55] [INFO ] [Nat]Absence check using 20 positive and 2 generalized place invariants in 4 ms returned sat
[2023-03-12 22:10:55] [INFO ] After 366ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-12 22:10:56] [INFO ] After 387ms SMT Verify possible using 1591 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-12 22:10:56] [INFO ] After 800ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 219 ms.
[2023-03-12 22:10:56] [INFO ] After 1518ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Parikh walk visited 0 properties in 35 ms.
Support contains 15 out of 531 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 531/531 places, 1677/1677 transitions.
Applied a total of 0 rules in 53 ms. Remains 531 /531 variables (removed 0) and now considering 1677/1677 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 531/531 places, 1677/1677 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 531/531 places, 1677/1677 transitions.
Applied a total of 0 rules in 40 ms. Remains 531 /531 variables (removed 0) and now considering 1677/1677 (removed 0) transitions.
[2023-03-12 22:10:56] [INFO ] Invariant cache hit.
[2023-03-12 22:10:57] [INFO ] Implicit Places using invariants in 499 ms returned []
[2023-03-12 22:10:57] [INFO ] Invariant cache hit.
[2023-03-12 22:10:57] [INFO ] State equation strengthened by 1591 read => feed constraints.
[2023-03-12 22:11:01] [INFO ] Implicit Places using invariants and state equation in 4026 ms returned []
Implicit Place search using SMT with State Equation took 4531 ms to find 0 implicit places.
[2023-03-12 22:11:01] [INFO ] Redundant transitions in 84 ms returned []
[2023-03-12 22:11:01] [INFO ] Invariant cache hit.
[2023-03-12 22:11:02] [INFO ] Dead Transitions using invariants and state equation in 644 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5310 ms. Remains : 531/531 places, 1677/1677 transitions.
Graph (trivial) has 1476 edges and 531 vertex of which 412 / 531 are part of one of the 2 SCC in 4 ms
Free SCC test removed 410 places
Drop transitions removed 1069 transitions
Ensure Unique test removed 401 transitions
Reduce isomorphic transitions removed 1470 transitions.
Graph (complete) has 331 edges and 121 vertex of which 67 are kept as prefixes of interest. Removing 54 places using SCC suffix rule.0 ms
Discarding 54 places :
Also discarding 17 output transitions
Drop transitions removed 17 transitions
Drop transitions removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 0 with 37 rules applied. Total rules applied 39 place count 67 transition count 153
Discarding 33 places :
Symmetric choice reduction at 1 with 33 rule applications. Total rules 72 place count 34 transition count 86
Iterating global reduction 1 with 33 rules applied. Total rules applied 105 place count 34 transition count 86
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 1 with 17 rules applied. Total rules applied 122 place count 34 transition count 69
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 2 with 2 rules applied. Total rules applied 124 place count 33 transition count 68
Drop transitions removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 2 with 5 rules applied. Total rules applied 129 place count 33 transition count 63
Free-agglomeration rule applied 3 times.
Iterating global reduction 2 with 3 rules applied. Total rules applied 132 place count 33 transition count 60
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 136 place count 30 transition count 59
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 137 place count 30 transition count 58
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 138 place count 29 transition count 58
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 139 place count 29 transition count 58
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 140 place count 28 transition count 57
Applied a total of 140 rules in 34 ms. Remains 28 /531 variables (removed 503) and now considering 57/1677 (removed 1620) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 57 rows 28 cols
[2023-03-12 22:11:02] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-12 22:11:02] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-12 22:11:02] [INFO ] After 15ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:2
[2023-03-12 22:11:02] [INFO ] After 22ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :2 real:2
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-12 22:11:02] [INFO ] After 54ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :2 real:2
[2023-03-12 22:11:02] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-03-12 22:11:02] [INFO ] After 18ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-12 22:11:02] [INFO ] After 36ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 8 ms.
[2023-03-12 22:11:02] [INFO ] After 94ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
[2023-03-12 22:11:02] [INFO ] Flatten gal took : 67 ms
[2023-03-12 22:11:02] [INFO ] Flatten gal took : 68 ms
[2023-03-12 22:11:02] [INFO ] Input system was already deterministic with 2520 transitions.
Computed a total of 82 stabilizing places and 140 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 20 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 22 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-12 22:11:02] [INFO ] Flatten gal took : 53 ms
[2023-03-12 22:11:02] [INFO ] Flatten gal took : 57 ms
[2023-03-12 22:11:02] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Drop transitions removed 140 transitions
Trivial Post-agglo rules discarded 140 transitions
Performed 140 trivial Post agglomeration. Transition count delta: 140
Iterating post reduction 0 with 140 rules applied. Total rules applied 140 place count 1043 transition count 2380
Reduce places removed 140 places and 0 transitions.
Iterating post reduction 1 with 140 rules applied. Total rules applied 280 place count 903 transition count 2380
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 320 place count 883 transition count 2360
Applied a total of 320 rules in 99 ms. Remains 883 /1043 variables (removed 160) and now considering 2360/2520 (removed 160) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 101 ms. Remains : 883/1043 places, 2360/2520 transitions.
[2023-03-12 22:11:03] [INFO ] Flatten gal took : 44 ms
[2023-03-12 22:11:03] [INFO ] Flatten gal took : 47 ms
[2023-03-12 22:11:03] [INFO ] Input system was already deterministic with 2360 transitions.
Finished random walk after 284 steps, including 1 resets, run visited all 1 properties in 3 ms. (steps per millisecond=94 )
FORMULA CANInsertWithFailure-PT-020-CTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 32 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 34 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-12 22:11:03] [INFO ] Flatten gal took : 46 ms
[2023-03-12 22:11:03] [INFO ] Flatten gal took : 50 ms
[2023-03-12 22:11:03] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Drop transitions removed 135 transitions
Trivial Post-agglo rules discarded 135 transitions
Performed 135 trivial Post agglomeration. Transition count delta: 135
Iterating post reduction 0 with 135 rules applied. Total rules applied 135 place count 1043 transition count 2385
Reduce places removed 135 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 136 rules applied. Total rules applied 271 place count 908 transition count 2384
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 272 place count 907 transition count 2384
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 3 with 40 rules applied. Total rules applied 312 place count 887 transition count 2364
Applied a total of 312 rules in 87 ms. Remains 887 /1043 variables (removed 156) and now considering 2364/2520 (removed 156) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 88 ms. Remains : 887/1043 places, 2364/2520 transitions.
[2023-03-12 22:11:03] [INFO ] Flatten gal took : 37 ms
[2023-03-12 22:11:03] [INFO ] Flatten gal took : 39 ms
[2023-03-12 22:11:03] [INFO ] Input system was already deterministic with 2364 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Drop transitions removed 140 transitions
Trivial Post-agglo rules discarded 140 transitions
Performed 140 trivial Post agglomeration. Transition count delta: 140
Iterating post reduction 0 with 140 rules applied. Total rules applied 140 place count 1043 transition count 2380
Reduce places removed 140 places and 0 transitions.
Iterating post reduction 1 with 140 rules applied. Total rules applied 280 place count 903 transition count 2380
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 320 place count 883 transition count 2360
Applied a total of 320 rules in 76 ms. Remains 883 /1043 variables (removed 160) and now considering 2360/2520 (removed 160) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 76 ms. Remains : 883/1043 places, 2360/2520 transitions.
[2023-03-12 22:11:03] [INFO ] Flatten gal took : 40 ms
[2023-03-12 22:11:03] [INFO ] Flatten gal took : 42 ms
[2023-03-12 22:11:04] [INFO ] Input system was already deterministic with 2360 transitions.
Finished random walk after 8698 steps, including 43 resets, run visited all 1 properties in 50 ms. (steps per millisecond=173 )
FORMULA CANInsertWithFailure-PT-020-CTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 20 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 21 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-12 22:11:04] [INFO ] Flatten gal took : 43 ms
[2023-03-12 22:11:04] [INFO ] Flatten gal took : 56 ms
[2023-03-12 22:11:04] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 18 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 18 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-12 22:11:04] [INFO ] Flatten gal took : 40 ms
[2023-03-12 22:11:04] [INFO ] Flatten gal took : 43 ms
[2023-03-12 22:11:04] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 16 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 17 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-12 22:11:04] [INFO ] Flatten gal took : 37 ms
[2023-03-12 22:11:04] [INFO ] Flatten gal took : 42 ms
[2023-03-12 22:11:04] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 15 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 17 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-12 22:11:04] [INFO ] Flatten gal took : 36 ms
[2023-03-12 22:11:04] [INFO ] Flatten gal took : 39 ms
[2023-03-12 22:11:05] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Drop transitions removed 136 transitions
Trivial Post-agglo rules discarded 136 transitions
Performed 136 trivial Post agglomeration. Transition count delta: 136
Iterating post reduction 0 with 136 rules applied. Total rules applied 136 place count 1043 transition count 2384
Reduce places removed 136 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 137 rules applied. Total rules applied 273 place count 907 transition count 2383
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 274 place count 906 transition count 2383
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 274 place count 906 transition count 2382
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 276 place count 905 transition count 2382
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 1 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 3 with 38 rules applied. Total rules applied 314 place count 886 transition count 2363
Applied a total of 314 rules in 89 ms. Remains 886 /1043 variables (removed 157) and now considering 2363/2520 (removed 157) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 90 ms. Remains : 886/1043 places, 2363/2520 transitions.
[2023-03-12 22:11:05] [INFO ] Flatten gal took : 34 ms
[2023-03-12 22:11:05] [INFO ] Flatten gal took : 37 ms
[2023-03-12 22:11:05] [INFO ] Input system was already deterministic with 2363 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 15 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 17 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-12 22:11:05] [INFO ] Flatten gal took : 43 ms
[2023-03-12 22:11:05] [INFO ] Flatten gal took : 50 ms
[2023-03-12 22:11:05] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 20 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 21 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-12 22:11:05] [INFO ] Flatten gal took : 39 ms
[2023-03-12 22:11:05] [INFO ] Flatten gal took : 41 ms
[2023-03-12 22:11:05] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 14 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 16 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-12 22:11:05] [INFO ] Flatten gal took : 36 ms
[2023-03-12 22:11:05] [INFO ] Flatten gal took : 42 ms
[2023-03-12 22:11:05] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Drop transitions removed 137 transitions
Trivial Post-agglo rules discarded 137 transitions
Performed 137 trivial Post agglomeration. Transition count delta: 137
Iterating post reduction 0 with 137 rules applied. Total rules applied 137 place count 1043 transition count 2383
Reduce places removed 137 places and 0 transitions.
Iterating post reduction 1 with 137 rules applied. Total rules applied 274 place count 906 transition count 2383
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 314 place count 886 transition count 2363
Applied a total of 314 rules in 58 ms. Remains 886 /1043 variables (removed 157) and now considering 2363/2520 (removed 157) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 60 ms. Remains : 886/1043 places, 2363/2520 transitions.
[2023-03-12 22:11:06] [INFO ] Flatten gal took : 32 ms
[2023-03-12 22:11:06] [INFO ] Flatten gal took : 35 ms
[2023-03-12 22:11:06] [INFO ] Input system was already deterministic with 2363 transitions.
Starting structural reductions in LTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Applied a total of 0 rules in 16 ms. Remains 1043 /1043 variables (removed 0) and now considering 2520/2520 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 16 ms. Remains : 1043/1043 places, 2520/2520 transitions.
[2023-03-12 22:11:06] [INFO ] Flatten gal took : 38 ms
[2023-03-12 22:11:06] [INFO ] Flatten gal took : 55 ms
[2023-03-12 22:11:06] [INFO ] Input system was already deterministic with 2520 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 1043/1043 places, 2520/2520 transitions.
Drop transitions removed 136 transitions
Trivial Post-agglo rules discarded 136 transitions
Performed 136 trivial Post agglomeration. Transition count delta: 136
Iterating post reduction 0 with 136 rules applied. Total rules applied 136 place count 1043 transition count 2384
Reduce places removed 136 places and 0 transitions.
Iterating post reduction 1 with 136 rules applied. Total rules applied 272 place count 907 transition count 2384
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 272 place count 907 transition count 2383
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 274 place count 906 transition count 2383
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 1 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 2 with 38 rules applied. Total rules applied 312 place count 887 transition count 2364
Applied a total of 312 rules in 59 ms. Remains 887 /1043 variables (removed 156) and now considering 2364/2520 (removed 156) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 60 ms. Remains : 887/1043 places, 2364/2520 transitions.
[2023-03-12 22:11:06] [INFO ] Flatten gal took : 33 ms
[2023-03-12 22:11:06] [INFO ] Flatten gal took : 35 ms
[2023-03-12 22:11:06] [INFO ] Input system was already deterministic with 2364 transitions.
[2023-03-12 22:11:06] [INFO ] Flatten gal took : 40 ms
[2023-03-12 22:11:06] [INFO ] Flatten gal took : 57 ms
[2023-03-12 22:11:06] [INFO ] Export to MCC of 14 properties in file /home/mcc/execution/CTLFireability.sr.xml took 4 ms.
[2023-03-12 22:11:06] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 1043 places, 2520 transitions and 6760 arcs took 10 ms.
Total runtime 37200 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/525/ctl_0_ --ctl=/tmp/525/ctl_1_ --ctl=/tmp/525/ctl_2_ --ctl=/tmp/525/ctl_3_ --ctl=/tmp/525/ctl_4_ --ctl=/tmp/525/ctl_5_ --ctl=/tmp/525/ctl_6_ --ctl=/tmp/525/ctl_7_ --ctl=/tmp/525/ctl_8_ --ctl=/tmp/525/ctl_9_ --ctl=/tmp/525/ctl_10_ --ctl=/tmp/525/ctl_11_ --ctl=/tmp/525/ctl_12_ --ctl=/tmp/525/ctl_13_ --mu-par --mu-opt
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393340 kB
MemFree: 14954864 kB
After kill :
MemTotal: 16393340 kB
MemFree: 16095756 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="CANInsertWithFailure-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 CANInsertWithFailure-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-167813695100714"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-020.tgz
mv CANInsertWithFailure-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 ;