About the Execution of ITS-Tools for BugTracking-PT-q8m004
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 12310.779 | 3600000.00 | 3683522.00 | 13020.30 | TTFFF??FT?F??TT? | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2022-input.r312-tall-165472281700073.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is BugTracking-PT-q8m004, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r312-tall-165472281700073
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 8.4K Jun 7 16:17 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Jun 7 16:17 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Jun 7 16:05 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Jun 7 16:05 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.3K Jun 6 15:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K Jun 6 15:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Jun 6 15:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Jun 6 15:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 6 12:11 NewModel
-rw-r--r-- 1 mcc users 13K Jun 7 16:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K Jun 7 16:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Jun 7 16:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Jun 7 16:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Jun 6 15:23 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Jun 6 15:23 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 6 12:11 equiv_col
-rw-r--r-- 1 mcc users 7 Jun 6 12:11 instance
-rw-r--r-- 1 mcc users 6 Jun 6 12:11 iscolored
-rw-r--r-- 1 mcc users 16M Jun 6 12:11 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 BugTracking-PT-q8m004-CTLCardinality-00
FORMULA_NAME BugTracking-PT-q8m004-CTLCardinality-01
FORMULA_NAME BugTracking-PT-q8m004-CTLCardinality-02
FORMULA_NAME BugTracking-PT-q8m004-CTLCardinality-03
FORMULA_NAME BugTracking-PT-q8m004-CTLCardinality-04
FORMULA_NAME BugTracking-PT-q8m004-CTLCardinality-05
FORMULA_NAME BugTracking-PT-q8m004-CTLCardinality-06
FORMULA_NAME BugTracking-PT-q8m004-CTLCardinality-07
FORMULA_NAME BugTracking-PT-q8m004-CTLCardinality-08
FORMULA_NAME BugTracking-PT-q8m004-CTLCardinality-09
FORMULA_NAME BugTracking-PT-q8m004-CTLCardinality-10
FORMULA_NAME BugTracking-PT-q8m004-CTLCardinality-11
FORMULA_NAME BugTracking-PT-q8m004-CTLCardinality-12
FORMULA_NAME BugTracking-PT-q8m004-CTLCardinality-13
FORMULA_NAME BugTracking-PT-q8m004-CTLCardinality-14
FORMULA_NAME BugTracking-PT-q8m004-CTLCardinality-15
=== Now, execution of the tool begins
BK_START 1654752386885
Running Version 202205111006
[2022-06-09 05:26:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2022-06-09 05:26:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-06-09 05:26:29] [INFO ] Load time of PNML (sax parser for PT used): 833 ms
[2022-06-09 05:26:29] [INFO ] Transformed 754 places.
[2022-06-09 05:26:29] [INFO ] Transformed 27370 transitions.
[2022-06-09 05:26:29] [INFO ] Parsed PT model containing 754 places and 27370 transitions in 1057 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 15 ms.
Deduced a syphon composed of 474 places in 158 ms
Reduce places removed 474 places and 23466 transitions.
Initial state reduction rules removed 3 formulas.
FORMULA BugTracking-PT-q8m004-CTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m004-CTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m004-CTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 32 out of 280 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 280/280 places, 3904/3904 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 279 transition count 3904
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 278 transition count 3871
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 278 transition count 3871
Applied a total of 3 rules in 102 ms. Remains 278 /280 variables (removed 2) and now considering 3871/3904 (removed 33) transitions.
[2022-06-09 05:26:29] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 278 cols
[2022-06-09 05:26:29] [INFO ] Computed 9 place invariants in 50 ms
[2022-06-09 05:26:30] [INFO ] Implicit Places using invariants in 746 ms returned []
[2022-06-09 05:26:30] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 278 cols
[2022-06-09 05:26:30] [INFO ] Computed 9 place invariants in 18 ms
[2022-06-09 05:26:31] [INFO ] State equation strengthened by 282 read => feed constraints.
[2022-06-09 05:26:32] [INFO ] Implicit Places using invariants and state equation in 2522 ms returned []
Implicit Place search using SMT with State Equation took 3296 ms to find 0 implicit places.
[2022-06-09 05:26:32] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 278 cols
[2022-06-09 05:26:33] [INFO ] Computed 9 place invariants in 27 ms
[2022-06-09 05:26:34] [INFO ] Dead Transitions using invariants and state equation in 1156 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 278/280 places, 3871/3904 transitions.
Finished structural reductions, in 1 iterations. Remains : 278/280 places, 3871/3904 transitions.
Support contains 32 out of 278 places after structural reductions.
[2022-06-09 05:26:34] [INFO ] Initial state reduction rules for CTL removed 2 formulas.
[2022-06-09 05:26:34] [INFO ] Flatten gal took : 358 ms
FORMULA BugTracking-PT-q8m004-CTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m004-CTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2022-06-09 05:26:34] [INFO ] Flatten gal took : 232 ms
[2022-06-09 05:26:35] [INFO ] Input system was already deterministic with 3871 transitions.
Support contains 30 out of 278 places (down from 32) after GAL structural reductions.
Incomplete random walk after 10002 steps, including 88 resets, run finished after 538 ms. (steps per millisecond=18 ) properties (out of 22) seen :4
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 18) 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 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1000 steps, including 5 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1000 steps, including 3 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1000 steps, including 6 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 18) 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 18) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 18) seen :0
Running SMT prover for 18 properties.
[2022-06-09 05:26:36] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 278 cols
[2022-06-09 05:26:36] [INFO ] Computed 9 place invariants in 11 ms
[2022-06-09 05:26:36] [INFO ] After 159ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:18
[2022-06-09 05:26:36] [INFO ] [Nat]Absence check using 9 positive place invariants in 3 ms returned sat
[2022-06-09 05:26:37] [INFO ] After 1327ms SMT Verify possible using state equation in natural domain returned unsat :8 sat :10
[2022-06-09 05:26:37] [INFO ] State equation strengthened by 282 read => feed constraints.
[2022-06-09 05:26:39] [INFO ] After 1269ms SMT Verify possible using 282 Read/Feed constraints in natural domain returned unsat :8 sat :10
[2022-06-09 05:26:39] [INFO ] Deduced a trap composed of 24 places in 231 ms of which 4 ms to minimize.
[2022-06-09 05:26:39] [INFO ] Deduced a trap composed of 12 places in 275 ms of which 1 ms to minimize.
[2022-06-09 05:26:40] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 736 ms
[2022-06-09 05:26:40] [INFO ] Deduced a trap composed of 56 places in 224 ms of which 2 ms to minimize.
[2022-06-09 05:26:40] [INFO ] Deduced a trap composed of 57 places in 201 ms of which 2 ms to minimize.
[2022-06-09 05:26:40] [INFO ] Deduced a trap composed of 59 places in 265 ms of which 1 ms to minimize.
[2022-06-09 05:26:41] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 979 ms
[2022-06-09 05:26:41] [INFO ] Deduced a trap composed of 17 places in 325 ms of which 1 ms to minimize.
[2022-06-09 05:26:41] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 392 ms
[2022-06-09 05:26:41] [INFO ] Deduced a trap composed of 61 places in 354 ms of which 1 ms to minimize.
[2022-06-09 05:26:42] [INFO ] Deduced a trap composed of 28 places in 295 ms of which 1 ms to minimize.
[2022-06-09 05:26:42] [INFO ] Deduced a trap composed of 59 places in 193 ms of which 0 ms to minimize.
[2022-06-09 05:26:42] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1166 ms
[2022-06-09 05:26:43] [INFO ] Deduced a trap composed of 23 places in 123 ms of which 1 ms to minimize.
[2022-06-09 05:26:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 282 ms
[2022-06-09 05:26:43] [INFO ] After 5711ms SMT Verify possible using trap constraints in natural domain returned unsat :11 sat :7
Attempting to minimize the solution found.
Minimization took 585 ms.
[2022-06-09 05:26:44] [INFO ] After 7846ms SMT Verify possible using all constraints in natural domain returned unsat :11 sat :7
Fused 18 Parikh solutions to 7 different solutions.
Parikh walk visited 0 properties in 358 ms.
Support contains 12 out of 278 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 278/278 places, 3871/3871 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 2 places in 4 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 276 transition count 3877
Free-agglomeration rule applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 10 place count 276 transition count 3871
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 16 place count 270 transition count 3871
Applied a total of 16 rules in 263 ms. Remains 270 /278 variables (removed 8) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 270/278 places, 3871/3871 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 184 ms. (steps per millisecond=54 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 83 ms. (steps per millisecond=120 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 7) seen :0
Interrupted probabilistic random walk after 112311 steps, run timeout after 3001 ms. (steps per millisecond=37 ) properties seen :{}
Probabilistic random walk after 112311 steps, saw 39395 distinct states, run finished after 3002 ms. (steps per millisecond=37 ) properties seen :0
Running SMT prover for 7 properties.
[2022-06-09 05:26:48] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 270 cols
[2022-06-09 05:26:48] [INFO ] Computed 9 place invariants in 14 ms
[2022-06-09 05:26:48] [INFO ] After 84ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2022-06-09 05:26:48] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2022-06-09 05:26:49] [INFO ] After 1098ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2022-06-09 05:26:49] [INFO ] State equation strengthened by 283 read => feed constraints.
[2022-06-09 05:26:50] [INFO ] After 1102ms SMT Verify possible using 283 Read/Feed constraints in natural domain returned unsat :0 sat :7
[2022-06-09 05:26:51] [INFO ] Deduced a trap composed of 23 places in 323 ms of which 0 ms to minimize.
[2022-06-09 05:26:51] [INFO ] Deduced a trap composed of 46 places in 309 ms of which 0 ms to minimize.
[2022-06-09 05:26:52] [INFO ] Deduced a trap composed of 85 places in 315 ms of which 0 ms to minimize.
[2022-06-09 05:26:52] [INFO ] Deduced a trap composed of 7 places in 312 ms of which 1 ms to minimize.
[2022-06-09 05:26:53] [INFO ] Deduced a trap composed of 7 places in 339 ms of which 1 ms to minimize.
[2022-06-09 05:26:53] [INFO ] Deduced a trap composed of 26 places in 111 ms of which 0 ms to minimize.
[2022-06-09 05:26:53] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 2294 ms
[2022-06-09 05:26:53] [INFO ] Deduced a trap composed of 57 places in 200 ms of which 1 ms to minimize.
[2022-06-09 05:26:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 352 ms
[2022-06-09 05:26:54] [INFO ] Deduced a trap composed of 58 places in 310 ms of which 0 ms to minimize.
[2022-06-09 05:26:54] [INFO ] Deduced a trap composed of 13 places in 246 ms of which 1 ms to minimize.
[2022-06-09 05:26:54] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 838 ms
[2022-06-09 05:26:55] [INFO ] Deduced a trap composed of 5 places in 45 ms of which 0 ms to minimize.
[2022-06-09 05:26:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 189 ms
[2022-06-09 05:26:55] [INFO ] Deduced a trap composed of 13 places in 183 ms of which 1 ms to minimize.
[2022-06-09 05:26:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 332 ms
[2022-06-09 05:26:55] [INFO ] After 5846ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :7
Attempting to minimize the solution found.
Minimization took 662 ms.
[2022-06-09 05:26:56] [INFO ] After 7719ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :7
Parikh walk visited 0 properties in 8 ms.
Support contains 12 out of 270 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 270/270 places, 3871/3871 transitions.
Applied a total of 0 rules in 67 ms. Remains 270 /270 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 270/270 places, 3871/3871 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 270/270 places, 3871/3871 transitions.
Applied a total of 0 rules in 59 ms. Remains 270 /270 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2022-06-09 05:26:56] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 270 cols
[2022-06-09 05:26:56] [INFO ] Computed 9 place invariants in 11 ms
[2022-06-09 05:26:57] [INFO ] Implicit Places using invariants in 545 ms returned []
[2022-06-09 05:26:57] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 270 cols
[2022-06-09 05:26:57] [INFO ] Computed 9 place invariants in 16 ms
[2022-06-09 05:26:57] [INFO ] State equation strengthened by 283 read => feed constraints.
[2022-06-09 05:26:59] [INFO ] Implicit Places using invariants and state equation in 2517 ms returned []
Implicit Place search using SMT with State Equation took 3069 ms to find 0 implicit places.
[2022-06-09 05:26:59] [INFO ] Redundant transitions in 296 ms returned []
[2022-06-09 05:26:59] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 270 cols
[2022-06-09 05:26:59] [INFO ] Computed 9 place invariants in 19 ms
[2022-06-09 05:27:00] [INFO ] Dead Transitions using invariants and state equation in 1083 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 270/270 places, 3871/3871 transitions.
Ensure Unique test removed 172 transitions
Reduce isomorphic transitions removed 172 transitions.
Iterating post reduction 0 with 172 rules applied. Total rules applied 172 place count 270 transition count 3699
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 173 place count 270 transition count 3698
Free-agglomeration rule applied 5 times.
Iterating global reduction 1 with 5 rules applied. Total rules applied 178 place count 270 transition count 3693
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 183 place count 265 transition count 3693
Applied a total of 183 rules in 217 ms. Remains 265 /270 variables (removed 5) and now considering 3693/3871 (removed 178) transitions.
Running SMT prover for 7 properties.
// Phase 1: matrix 3693 rows 265 cols
[2022-06-09 05:27:01] [INFO ] Computed 9 place invariants in 36 ms
[2022-06-09 05:27:01] [INFO ] After 74ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2022-06-09 05:27:01] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2022-06-09 05:27:02] [INFO ] After 1042ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2022-06-09 05:27:03] [INFO ] After 1861ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :7
Attempting to minimize the solution found.
Minimization took 518 ms.
[2022-06-09 05:27:03] [INFO ] After 2475ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :7
Successfully simplified 11 atomic propositions for a total of 11 simplifications.
FORMULA BugTracking-PT-q8m004-CTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m004-CTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2022-06-09 05:27:03] [INFO ] Initial state reduction rules for CTL removed 2 formulas.
[2022-06-09 05:27:03] [INFO ] Flatten gal took : 174 ms
FORMULA BugTracking-PT-q8m004-CTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m004-CTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2022-06-09 05:27:04] [INFO ] Flatten gal took : 183 ms
[2022-06-09 05:27:04] [INFO ] Input system was already deterministic with 3871 transitions.
Support contains 14 out of 278 places (down from 17) after GAL structural reductions.
FORMULA BugTracking-PT-q8m004-CTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 6 stabilizing places and 131 stable transitions
Graph (complete) has 5031 edges and 278 vertex of which 277 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.24 ms
Starting structural reductions in LTL mode, iteration 0 : 278/278 places, 3871/3871 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 277 transition count 3871
Applied a total of 1 rules in 15 ms. Remains 277 /278 variables (removed 1) and now considering 3871/3871 (removed 0) transitions.
[2022-06-09 05:27:04] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2022-06-09 05:27:04] [INFO ] Computed 8 place invariants in 14 ms
[2022-06-09 05:27:04] [INFO ] Implicit Places using invariants in 426 ms returned []
[2022-06-09 05:27:04] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2022-06-09 05:27:05] [INFO ] Computed 8 place invariants in 26 ms
[2022-06-09 05:27:05] [INFO ] State equation strengthened by 282 read => feed constraints.
[2022-06-09 05:27:07] [INFO ] Implicit Places using invariants and state equation in 2577 ms returned []
Implicit Place search using SMT with State Equation took 3010 ms to find 0 implicit places.
[2022-06-09 05:27:07] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2022-06-09 05:27:07] [INFO ] Computed 8 place invariants in 12 ms
[2022-06-09 05:27:08] [INFO ] Dead Transitions using invariants and state equation in 1033 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 277/278 places, 3871/3871 transitions.
Finished structural reductions, in 1 iterations. Remains : 277/278 places, 3871/3871 transitions.
[2022-06-09 05:27:08] [INFO ] Flatten gal took : 150 ms
[2022-06-09 05:27:08] [INFO ] Flatten gal took : 171 ms
[2022-06-09 05:27:09] [INFO ] Input system was already deterministic with 3871 transitions.
[2022-06-09 05:27:09] [INFO ] Flatten gal took : 161 ms
[2022-06-09 05:27:09] [INFO ] Flatten gal took : 175 ms
[2022-06-09 05:27:09] [INFO ] Time to serialize gal into /tmp/CTLCardinality5451977080905614779.gal : 59 ms
[2022-06-09 05:27:09] [INFO ] Time to serialize properties into /tmp/CTLCardinality3504685687993833384.ctl : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality5451977080905614779.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality3504685687993833384.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...274
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2022-06-09 05:27:39] [INFO ] Flatten gal took : 162 ms
[2022-06-09 05:27:39] [INFO ] Applying decomposition
[2022-06-09 05:27:40] [INFO ] Flatten gal took : 186 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/convert-linux64' '-i' '/tmp/graph16459287563668374395.txt' '-o' '/tmp/graph16459287563668374395.bin' '-w' '/tmp/graph16459287563668374395.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph16459287563668374395.bin' '-l' '-1' '-v' '-w' '/tmp/graph16459287563668374395.weights' '-q' '0' '-e' '0.001'
[2022-06-09 05:27:40] [INFO ] Decomposing Gal with order
[2022-06-09 05:27:40] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-06-09 05:27:41] [INFO ] Removed a total of 204 redundant transitions.
[2022-06-09 05:27:41] [INFO ] Flatten gal took : 424 ms
[2022-06-09 05:27:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 264 labels/synchronizations in 24 ms.
[2022-06-09 05:27:41] [INFO ] Time to serialize gal into /tmp/CTLCardinality1078880284223745392.gal : 28 ms
[2022-06-09 05:27:41] [INFO ] Time to serialize properties into /tmp/CTLCardinality521067969177324065.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality1078880284223745392.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality521067969177324065.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...273
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
Starting structural reductions in SI_CTL mode, iteration 0 : 278/278 places, 3871/3871 transitions.
Graph (complete) has 5031 edges and 278 vertex of which 277 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.11 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 188 ms. Remains 277 /278 variables (removed 1) and now considering 3871/3871 (removed 0) transitions.
[2022-06-09 05:28:11] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2022-06-09 05:28:11] [INFO ] Computed 8 place invariants in 9 ms
[2022-06-09 05:28:12] [INFO ] Implicit Places using invariants in 523 ms returned []
[2022-06-09 05:28:12] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2022-06-09 05:28:12] [INFO ] Computed 8 place invariants in 13 ms
[2022-06-09 05:28:12] [INFO ] State equation strengthened by 282 read => feed constraints.
[2022-06-09 05:28:14] [INFO ] Implicit Places using invariants and state equation in 2692 ms returned []
Implicit Place search using SMT with State Equation took 3216 ms to find 0 implicit places.
[2022-06-09 05:28:15] [INFO ] Redundant transitions in 307 ms returned []
[2022-06-09 05:28:15] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2022-06-09 05:28:15] [INFO ] Computed 8 place invariants in 15 ms
[2022-06-09 05:28:16] [INFO ] Dead Transitions using invariants and state equation in 1063 ms found 0 transitions.
Starting structural reductions in SI_CTL mode, iteration 1 : 277/278 places, 3871/3871 transitions.
Finished structural reductions, in 1 iterations. Remains : 277/278 places, 3871/3871 transitions.
[2022-06-09 05:28:16] [INFO ] Flatten gal took : 153 ms
[2022-06-09 05:28:16] [INFO ] Flatten gal took : 172 ms
[2022-06-09 05:28:16] [INFO ] Input system was already deterministic with 3871 transitions.
[2022-06-09 05:28:17] [INFO ] Flatten gal took : 163 ms
[2022-06-09 05:28:17] [INFO ] Flatten gal took : 180 ms
[2022-06-09 05:28:17] [INFO ] Time to serialize gal into /tmp/CTLCardinality2849023990590210325.gal : 15 ms
[2022-06-09 05:28:17] [INFO ] Time to serialize properties into /tmp/CTLCardinality8381516707747598515.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality2849023990590210325.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality8381516707747598515.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...274
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2022-06-09 05:28:47] [INFO ] Flatten gal took : 163 ms
[2022-06-09 05:28:47] [INFO ] Applying decomposition
[2022-06-09 05:28:47] [INFO ] Flatten gal took : 175 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/convert-linux64' '-i' '/tmp/graph13199484725389325023.txt' '-o' '/tmp/graph13199484725389325023.bin' '-w' '/tmp/graph13199484725389325023.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph13199484725389325023.bin' '-l' '-1' '-v' '-w' '/tmp/graph13199484725389325023.weights' '-q' '0' '-e' '0.001'
[2022-06-09 05:28:47] [INFO ] Decomposing Gal with order
[2022-06-09 05:28:47] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-06-09 05:28:48] [INFO ] Removed a total of 228 redundant transitions.
[2022-06-09 05:28:48] [INFO ] Flatten gal took : 270 ms
[2022-06-09 05:28:48] [INFO ] Fuse similar labels procedure discarded/fused a total of 288 labels/synchronizations in 30 ms.
[2022-06-09 05:28:48] [INFO ] Time to serialize gal into /tmp/CTLCardinality1670489665445423373.gal : 16 ms
[2022-06-09 05:28:48] [INFO ] Time to serialize properties into /tmp/CTLCardinality38603521946765851.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality1670489665445423373.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality38603521946765851.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...272
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
Starting structural reductions in LTL mode, iteration 0 : 278/278 places, 3871/3871 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 277 transition count 3871
Applied a total of 1 rules in 16 ms. Remains 277 /278 variables (removed 1) and now considering 3871/3871 (removed 0) transitions.
[2022-06-09 05:29:18] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2022-06-09 05:29:18] [INFO ] Computed 8 place invariants in 10 ms
[2022-06-09 05:29:19] [INFO ] Implicit Places using invariants in 423 ms returned []
[2022-06-09 05:29:19] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2022-06-09 05:29:19] [INFO ] Computed 8 place invariants in 12 ms
[2022-06-09 05:29:19] [INFO ] State equation strengthened by 282 read => feed constraints.
[2022-06-09 05:29:21] [INFO ] Implicit Places using invariants and state equation in 2539 ms returned []
Implicit Place search using SMT with State Equation took 2963 ms to find 0 implicit places.
[2022-06-09 05:29:21] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2022-06-09 05:29:21] [INFO ] Computed 8 place invariants in 10 ms
[2022-06-09 05:29:22] [INFO ] Dead Transitions using invariants and state equation in 1042 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 277/278 places, 3871/3871 transitions.
Finished structural reductions, in 1 iterations. Remains : 277/278 places, 3871/3871 transitions.
[2022-06-09 05:29:22] [INFO ] Flatten gal took : 157 ms
[2022-06-09 05:29:22] [INFO ] Flatten gal took : 160 ms
[2022-06-09 05:29:23] [INFO ] Input system was already deterministic with 3871 transitions.
[2022-06-09 05:29:23] [INFO ] Flatten gal took : 160 ms
[2022-06-09 05:29:23] [INFO ] Flatten gal took : 167 ms
[2022-06-09 05:29:23] [INFO ] Time to serialize gal into /tmp/CTLCardinality13265236997904824913.gal : 13 ms
[2022-06-09 05:29:23] [INFO ] Time to serialize properties into /tmp/CTLCardinality9288463658291319304.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality13265236997904824913.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality9288463658291319304.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...275
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2022-06-09 05:29:53] [INFO ] Flatten gal took : 164 ms
[2022-06-09 05:29:53] [INFO ] Applying decomposition
[2022-06-09 05:29:53] [INFO ] Flatten gal took : 170 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/convert-linux64' '-i' '/tmp/graph6079990357616893729.txt' '-o' '/tmp/graph6079990357616893729.bin' '-w' '/tmp/graph6079990357616893729.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph6079990357616893729.bin' '-l' '-1' '-v' '-w' '/tmp/graph6079990357616893729.weights' '-q' '0' '-e' '0.001'
[2022-06-09 05:29:54] [INFO ] Decomposing Gal with order
[2022-06-09 05:29:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-06-09 05:29:54] [INFO ] Removed a total of 223 redundant transitions.
[2022-06-09 05:29:54] [INFO ] Flatten gal took : 265 ms
[2022-06-09 05:29:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 280 labels/synchronizations in 19 ms.
[2022-06-09 05:29:54] [INFO ] Time to serialize gal into /tmp/CTLCardinality10122366397297396693.gal : 29 ms
[2022-06-09 05:29:54] [INFO ] Time to serialize properties into /tmp/CTLCardinality14099996014762766170.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality10122366397297396693.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality14099996014762766170.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...276
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
Starting structural reductions in LTL mode, iteration 0 : 278/278 places, 3871/3871 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 277 transition count 3871
Applied a total of 1 rules in 21 ms. Remains 277 /278 variables (removed 1) and now considering 3871/3871 (removed 0) transitions.
[2022-06-09 05:30:24] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2022-06-09 05:30:24] [INFO ] Computed 8 place invariants in 15 ms
[2022-06-09 05:30:25] [INFO ] Implicit Places using invariants in 432 ms returned []
[2022-06-09 05:30:25] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2022-06-09 05:30:25] [INFO ] Computed 8 place invariants in 11 ms
[2022-06-09 05:30:25] [INFO ] State equation strengthened by 282 read => feed constraints.
[2022-06-09 05:30:27] [INFO ] Implicit Places using invariants and state equation in 2496 ms returned []
Implicit Place search using SMT with State Equation took 2930 ms to find 0 implicit places.
[2022-06-09 05:30:27] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2022-06-09 05:30:27] [INFO ] Computed 8 place invariants in 17 ms
[2022-06-09 05:30:28] [INFO ] Dead Transitions using invariants and state equation in 1010 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 277/278 places, 3871/3871 transitions.
Finished structural reductions, in 1 iterations. Remains : 277/278 places, 3871/3871 transitions.
[2022-06-09 05:30:29] [INFO ] Flatten gal took : 147 ms
[2022-06-09 05:30:29] [INFO ] Flatten gal took : 176 ms
[2022-06-09 05:30:29] [INFO ] Input system was already deterministic with 3871 transitions.
[2022-06-09 05:30:29] [INFO ] Flatten gal took : 179 ms
[2022-06-09 05:30:29] [INFO ] Flatten gal took : 186 ms
[2022-06-09 05:30:29] [INFO ] Time to serialize gal into /tmp/CTLCardinality13390240531099294804.gal : 13 ms
[2022-06-09 05:30:29] [INFO ] Time to serialize properties into /tmp/CTLCardinality8517634687271440707.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality13390240531099294804.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality8517634687271440707.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...275
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2022-06-09 05:31:00] [INFO ] Flatten gal took : 158 ms
[2022-06-09 05:31:00] [INFO ] Applying decomposition
[2022-06-09 05:31:00] [INFO ] Flatten gal took : 161 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/convert-linux64' '-i' '/tmp/graph6646078421533382765.txt' '-o' '/tmp/graph6646078421533382765.bin' '-w' '/tmp/graph6646078421533382765.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph6646078421533382765.bin' '-l' '-1' '-v' '-w' '/tmp/graph6646078421533382765.weights' '-q' '0' '-e' '0.001'
[2022-06-09 05:31:00] [INFO ] Decomposing Gal with order
[2022-06-09 05:31:00] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-06-09 05:31:00] [INFO ] Removed a total of 406 redundant transitions.
[2022-06-09 05:31:00] [INFO ] Flatten gal took : 249 ms
[2022-06-09 05:31:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 377 labels/synchronizations in 21 ms.
[2022-06-09 05:31:01] [INFO ] Time to serialize gal into /tmp/CTLCardinality11742773098905957786.gal : 25 ms
[2022-06-09 05:31:01] [INFO ] Time to serialize properties into /tmp/CTLCardinality5056243135957931548.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality11742773098905957786.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality5056243135957931548.ctl'
its-ctl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...254
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
Starting structural reductions in SI_CTL mode, iteration 0 : 278/278 places, 3871/3871 transitions.
Applied a total of 0 rules in 112 ms. Remains 278 /278 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2022-06-09 05:31:31] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 278 cols
[2022-06-09 05:31:31] [INFO ] Computed 9 place invariants in 8 ms
[2022-06-09 05:31:31] [INFO ] Implicit Places using invariants in 385 ms returned []
[2022-06-09 05:31:31] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 278 cols
[2022-06-09 05:31:31] [INFO ] Computed 9 place invariants in 15 ms
[2022-06-09 05:31:32] [INFO ] State equation strengthened by 282 read => feed constraints.
[2022-06-09 05:31:34] [INFO ] Implicit Places using invariants and state equation in 2438 ms returned []
Implicit Place search using SMT with State Equation took 2827 ms to find 0 implicit places.
[2022-06-09 05:31:34] [INFO ] Redundant transitions in 186 ms returned []
[2022-06-09 05:31:34] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 278 cols
[2022-06-09 05:31:34] [INFO ] Computed 9 place invariants in 13 ms
[2022-06-09 05:31:35] [INFO ] Dead Transitions using invariants and state equation in 1094 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 278/278 places, 3871/3871 transitions.
[2022-06-09 05:31:35] [INFO ] Flatten gal took : 150 ms
[2022-06-09 05:31:35] [INFO ] Flatten gal took : 174 ms
[2022-06-09 05:31:35] [INFO ] Input system was already deterministic with 3871 transitions.
[2022-06-09 05:31:36] [INFO ] Flatten gal took : 161 ms
[2022-06-09 05:31:36] [INFO ] Flatten gal took : 170 ms
[2022-06-09 05:31:36] [INFO ] Time to serialize gal into /tmp/CTLCardinality13491023602067348122.gal : 15 ms
[2022-06-09 05:31:36] [INFO ] Time to serialize properties into /tmp/CTLCardinality15052266103898419982.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality13491023602067348122.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality15052266103898419982.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...276
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2022-06-09 05:32:06] [INFO ] Flatten gal took : 159 ms
[2022-06-09 05:32:06] [INFO ] Applying decomposition
[2022-06-09 05:32:06] [INFO ] Flatten gal took : 159 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/convert-linux64' '-i' '/tmp/graph1622056566496932898.txt' '-o' '/tmp/graph1622056566496932898.bin' '-w' '/tmp/graph1622056566496932898.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph1622056566496932898.bin' '-l' '-1' '-v' '-w' '/tmp/graph1622056566496932898.weights' '-q' '0' '-e' '0.001'
[2022-06-09 05:32:06] [INFO ] Decomposing Gal with order
[2022-06-09 05:32:06] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-06-09 05:32:07] [INFO ] Removed a total of 183 redundant transitions.
[2022-06-09 05:32:07] [INFO ] Flatten gal took : 277 ms
[2022-06-09 05:32:07] [INFO ] Fuse similar labels procedure discarded/fused a total of 243 labels/synchronizations in 17 ms.
[2022-06-09 05:32:07] [INFO ] Time to serialize gal into /tmp/CTLCardinality1442123741676512372.gal : 15 ms
[2022-06-09 05:32:07] [INFO ] Time to serialize properties into /tmp/CTLCardinality14887412385972679650.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality1442123741676512372.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality14887412385972679650.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...275
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
Starting structural reductions in LTL mode, iteration 0 : 278/278 places, 3871/3871 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 277 transition count 3871
Applied a total of 1 rules in 22 ms. Remains 277 /278 variables (removed 1) and now considering 3871/3871 (removed 0) transitions.
[2022-06-09 05:32:37] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2022-06-09 05:32:37] [INFO ] Computed 8 place invariants in 14 ms
[2022-06-09 05:32:37] [INFO ] Implicit Places using invariants in 415 ms returned []
[2022-06-09 05:32:37] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2022-06-09 05:32:37] [INFO ] Computed 8 place invariants in 10 ms
[2022-06-09 05:32:38] [INFO ] State equation strengthened by 282 read => feed constraints.
[2022-06-09 05:32:39] [INFO ] Implicit Places using invariants and state equation in 2031 ms returned []
Implicit Place search using SMT with State Equation took 2449 ms to find 0 implicit places.
[2022-06-09 05:32:39] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2022-06-09 05:32:40] [INFO ] Computed 8 place invariants in 14 ms
[2022-06-09 05:32:41] [INFO ] Dead Transitions using invariants and state equation in 1032 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 277/278 places, 3871/3871 transitions.
Finished structural reductions, in 1 iterations. Remains : 277/278 places, 3871/3871 transitions.
[2022-06-09 05:32:41] [INFO ] Flatten gal took : 168 ms
[2022-06-09 05:32:41] [INFO ] Flatten gal took : 156 ms
[2022-06-09 05:32:41] [INFO ] Input system was already deterministic with 3871 transitions.
[2022-06-09 05:32:41] [INFO ] Flatten gal took : 156 ms
[2022-06-09 05:32:42] [INFO ] Flatten gal took : 168 ms
[2022-06-09 05:32:42] [INFO ] Time to serialize gal into /tmp/CTLCardinality14204824148661990926.gal : 14 ms
[2022-06-09 05:32:42] [INFO ] Time to serialize properties into /tmp/CTLCardinality15137220293295606225.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality14204824148661990926.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality15137220293295606225.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...276
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2022-06-09 05:33:12] [INFO ] Flatten gal took : 152 ms
[2022-06-09 05:33:12] [INFO ] Applying decomposition
[2022-06-09 05:33:12] [INFO ] Flatten gal took : 150 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/convert-linux64' '-i' '/tmp/graph15543884135877982219.txt' '-o' '/tmp/graph15543884135877982219.bin' '-w' '/tmp/graph15543884135877982219.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph15543884135877982219.bin' '-l' '-1' '-v' '-w' '/tmp/graph15543884135877982219.weights' '-q' '0' '-e' '0.001'
[2022-06-09 05:33:12] [INFO ] Decomposing Gal with order
[2022-06-09 05:33:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-06-09 05:33:12] [INFO ] Removed a total of 224 redundant transitions.
[2022-06-09 05:33:12] [INFO ] Flatten gal took : 232 ms
[2022-06-09 05:33:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 277 labels/synchronizations in 6 ms.
[2022-06-09 05:33:13] [INFO ] Time to serialize gal into /tmp/CTLCardinality4946567134482941118.gal : 18 ms
[2022-06-09 05:33:13] [INFO ] Time to serialize properties into /tmp/CTLCardinality7365331354002034286.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality4946567134482941118.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality7365331354002034286.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...274
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Detected timeout of ITS tools.
[2022-06-09 05:33:43] [INFO ] Flatten gal took : 185 ms
[2022-06-09 05:33:43] [INFO ] Flatten gal took : 154 ms
[2022-06-09 05:33:43] [INFO ] Applying decomposition
[2022-06-09 05:33:43] [INFO ] Flatten gal took : 188 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/convert-linux64' '-i' '/tmp/graph13853727092027163022.txt' '-o' '/tmp/graph13853727092027163022.bin' '-w' '/tmp/graph13853727092027163022.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph13853727092027163022.bin' '-l' '-1' '-v' '-w' '/tmp/graph13853727092027163022.weights' '-q' '0' '-e' '0.001'
[2022-06-09 05:33:44] [INFO ] Decomposing Gal with order
[2022-06-09 05:33:44] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-06-09 05:33:44] [INFO ] Removed a total of 521 redundant transitions.
[2022-06-09 05:33:44] [INFO ] Flatten gal took : 294 ms
[2022-06-09 05:33:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 721 labels/synchronizations in 17 ms.
[2022-06-09 05:33:44] [INFO ] Time to serialize gal into /tmp/CTLCardinality1386045392359827952.gal : 14 ms
[2022-06-09 05:33:44] [INFO ] Time to serialize properties into /tmp/CTLCardinality9768206806540926200.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality1386045392359827952.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality9768206806540926200.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...274
No direction supplied, using forward translation only.
Parsed 6 CTL formulae.
Detected timeout of ITS tools.
[2022-06-09 05:56:10] [INFO ] Flatten gal took : 189 ms
[2022-06-09 05:56:10] [INFO ] Time to serialize gal into /tmp/CTLCardinality9457936494963691800.gal : 15 ms
[2022-06-09 05:56:10] [INFO ] Time to serialize properties into /tmp/CTLCardinality1329078552830604523.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality9457936494963691800.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality1329078552830604523.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...274
No direction supplied, using forward translation only.
Parsed 6 CTL formulae.
Detected timeout of ITS tools.
[2022-06-09 06:18:36] [INFO ] Flatten gal took : 163 ms
[2022-06-09 06:18:36] [INFO ] Input system was already deterministic with 3871 transitions.
[2022-06-09 06:18:36] [INFO ] Transformed 278 places.
[2022-06-09 06:18:36] [INFO ] Transformed 3871 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//greatspn//bin/pinvar' '/home/mcc/execution/gspn'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//greatspn//bin/RGMEDD2' '/home/mcc/execution/gspn' '-META' '-varord-only'
Run of greatSPN captured in /home/mcc/execution/outPut.txt
Using order generated by GreatSPN with heuristic : META
[2022-06-09 06:18:36] [INFO ] Time to serialize gal into /tmp/CTLCardinality18082156911030022081.gal : 24 ms
[2022-06-09 06:18:36] [INFO ] Time to serialize properties into /tmp/CTLCardinality11339930297209520478.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality18082156911030022081.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality11339930297209520478.ctl' '--load-order' '/home/mcc/execution/model.ord' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -i /tmp/C...321
Successfully loaded order from file /home/mcc/execution/model.ord
No direction supplied, using forward translation only.
Parsed 6 CTL formulae.
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution CTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination CTLCardinality -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m
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="BugTracking-PT-q8m004"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="itstools"
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 2-4028"
echo " Executing tool itstools"
echo " Input is BugTracking-PT-q8m004, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r312-tall-165472281700073"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/BugTracking-PT-q8m004.tgz
mv BugTracking-PT-q8m004 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;