About the Execution of ITS-Tools for BugTracking-PT-q8m256
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
12306.728 | 3600000.00 | 14029062.00 | 266.60 | FTTFTF?TTFTTTFFT | normal |
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.r037-tajo-167813690400443.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is BugTracking-PT-q8m256, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r037-tajo-167813690400443
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 8.8K Feb 26 06:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Feb 26 06:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 26 06:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 26 06:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.4K Feb 25 15:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 15:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K Feb 26 07:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 81K Feb 26 07:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Feb 26 06:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Feb 26 06:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 16M 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 BugTracking-PT-q8m256-LTLCardinality-00
FORMULA_NAME BugTracking-PT-q8m256-LTLCardinality-01
FORMULA_NAME BugTracking-PT-q8m256-LTLCardinality-02
FORMULA_NAME BugTracking-PT-q8m256-LTLCardinality-03
FORMULA_NAME BugTracking-PT-q8m256-LTLCardinality-04
FORMULA_NAME BugTracking-PT-q8m256-LTLCardinality-05
FORMULA_NAME BugTracking-PT-q8m256-LTLCardinality-06
FORMULA_NAME BugTracking-PT-q8m256-LTLCardinality-07
FORMULA_NAME BugTracking-PT-q8m256-LTLCardinality-08
FORMULA_NAME BugTracking-PT-q8m256-LTLCardinality-09
FORMULA_NAME BugTracking-PT-q8m256-LTLCardinality-10
FORMULA_NAME BugTracking-PT-q8m256-LTLCardinality-11
FORMULA_NAME BugTracking-PT-q8m256-LTLCardinality-12
FORMULA_NAME BugTracking-PT-q8m256-LTLCardinality-13
FORMULA_NAME BugTracking-PT-q8m256-LTLCardinality-14
FORMULA_NAME BugTracking-PT-q8m256-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1678359228660
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=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BugTracking-PT-q8m256
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202303021504
[2023-03-09 10:53:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-09 10:53:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-09 10:53:52] [INFO ] Load time of PNML (sax parser for PT used): 1092 ms
[2023-03-09 10:53:52] [INFO ] Transformed 754 places.
[2023-03-09 10:53:52] [INFO ] Transformed 27370 transitions.
[2023-03-09 10:53:52] [INFO ] Parsed PT model containing 754 places and 27370 transitions and 136172 arcs in 1358 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 15 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Deduced a syphon composed of 474 places in 178 ms
Reduce places removed 474 places and 23466 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA BugTracking-PT-q8m256-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m256-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m256-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m256-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m256-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m256-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m256-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m256-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m256-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m256-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m256-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 8 out of 280 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 280/280 places, 3904/3904 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 278 transition count 3904
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 277 transition count 3871
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 277 transition count 3871
Applied a total of 4 rules in 134 ms. Remains 277 /280 variables (removed 3) and now considering 3871/3904 (removed 33) transitions.
[2023-03-09 10:53:53] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2023-03-09 10:53:53] [INFO ] Computed 8 place invariants in 44 ms
[2023-03-09 10:53:54] [INFO ] Implicit Places using invariants in 1062 ms returned []
[2023-03-09 10:53:54] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-09 10:53:54] [INFO ] Invariant cache hit.
[2023-03-09 10:53:55] [INFO ] State equation strengthened by 282 read => feed constraints.
[2023-03-09 10:53:57] [INFO ] Implicit Places using invariants and state equation in 3114 ms returned []
Implicit Place search using SMT with State Equation took 4217 ms to find 0 implicit places.
[2023-03-09 10:53:57] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-09 10:53:57] [INFO ] Invariant cache hit.
[2023-03-09 10:53:58] [INFO ] Dead Transitions using invariants and state equation in 1124 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 277/280 places, 3871/3904 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5507 ms. Remains : 277/280 places, 3871/3904 transitions.
Support contains 8 out of 277 places after structural reductions.
[2023-03-09 10:53:59] [INFO ] Flatten gal took : 617 ms
[2023-03-09 10:53:59] [INFO ] Flatten gal took : 339 ms
[2023-03-09 10:54:00] [INFO ] Input system was already deterministic with 3871 transitions.
Incomplete random walk after 10000 steps, including 7 resets, run finished after 327 ms. (steps per millisecond=30 ) properties (out of 6) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 110 ms. (steps per millisecond=90 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-09 10:54:00] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-09 10:54:00] [INFO ] Invariant cache hit.
[2023-03-09 10:54:01] [INFO ] After 173ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-09 10:54:01] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-09 10:54:02] [INFO ] After 973ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-09 10:54:02] [INFO ] State equation strengthened by 282 read => feed constraints.
[2023-03-09 10:54:02] [INFO ] After 672ms SMT Verify possible using 282 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-09 10:54:03] [INFO ] Deduced a trap composed of 17 places in 356 ms of which 4 ms to minimize.
[2023-03-09 10:54:03] [INFO ] Deduced a trap composed of 16 places in 304 ms of which 2 ms to minimize.
[2023-03-09 10:54:03] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 950 ms
[2023-03-09 10:54:04] [INFO ] After 2108ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 317 ms.
[2023-03-09 10:54:04] [INFO ] After 3554ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 77 ms.
Support contains 4 out of 277 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 277/277 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 275 transition count 3877
Free-agglomeration rule applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 10 place count 275 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 269 transition count 3871
Applied a total of 16 rules in 556 ms. Remains 269 /277 variables (removed 8) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 557 ms. Remains : 269/277 places, 3871/3871 transitions.
Incomplete random walk after 10119 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1686 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 3) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-09 10:54:05] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-09 10:54:05] [INFO ] Computed 8 place invariants in 31 ms
[2023-03-09 10:54:05] [INFO ] After 144ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-09 10:54:05] [INFO ] [Nat]Absence check using 8 positive place invariants in 1 ms returned sat
[2023-03-09 10:54:06] [INFO ] After 791ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-09 10:54:06] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-09 10:54:07] [INFO ] After 529ms SMT Verify possible using 283 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-09 10:54:07] [INFO ] Deduced a trap composed of 23 places in 289 ms of which 2 ms to minimize.
[2023-03-09 10:54:08] [INFO ] Deduced a trap composed of 17 places in 458 ms of which 1 ms to minimize.
[2023-03-09 10:54:08] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1019 ms
[2023-03-09 10:54:08] [INFO ] Deduced a trap composed of 9 places in 249 ms of which 0 ms to minimize.
[2023-03-09 10:54:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 356 ms
[2023-03-09 10:54:08] [INFO ] After 2081ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 223 ms.
[2023-03-09 10:54:08] [INFO ] After 3187ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 3 ms.
Support contains 3 out of 269 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 269/269 places, 3871/3871 transitions.
Applied a total of 0 rules in 65 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65 ms. Remains : 269/269 places, 3871/3871 transitions.
Incomplete random walk after 10060 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2012 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 107675 steps, run timeout after 3001 ms. (steps per millisecond=35 ) properties seen :{}
Probabilistic random walk after 107675 steps, saw 45371 distinct states, run finished after 3002 ms. (steps per millisecond=35 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-09 10:54:12] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-09 10:54:12] [INFO ] Invariant cache hit.
[2023-03-09 10:54:12] [INFO ] After 59ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-09 10:54:12] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-09 10:54:12] [INFO ] After 693ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-09 10:54:12] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-09 10:54:13] [INFO ] After 463ms SMT Verify possible using 283 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-09 10:54:13] [INFO ] Deduced a trap composed of 9 places in 497 ms of which 1 ms to minimize.
[2023-03-09 10:54:14] [INFO ] Deduced a trap composed of 10 places in 375 ms of which 0 ms to minimize.
[2023-03-09 10:54:14] [INFO ] Deduced a trap composed of 5 places in 441 ms of which 0 ms to minimize.
[2023-03-09 10:54:15] [INFO ] Deduced a trap composed of 28 places in 377 ms of which 0 ms to minimize.
[2023-03-09 10:54:15] [INFO ] Deduced a trap composed of 31 places in 227 ms of which 1 ms to minimize.
[2023-03-09 10:54:15] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 2270 ms
[2023-03-09 10:54:15] [INFO ] After 2882ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 158 ms.
[2023-03-09 10:54:16] [INFO ] After 3806ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 2 ms.
Support contains 3 out of 269 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 269/269 places, 3871/3871 transitions.
Applied a total of 0 rules in 59 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 70 ms. Remains : 269/269 places, 3871/3871 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 269/269 places, 3871/3871 transitions.
Applied a total of 0 rules in 94 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-09 10:54:16] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-09 10:54:16] [INFO ] Invariant cache hit.
[2023-03-09 10:54:17] [INFO ] Implicit Places using invariants in 971 ms returned []
[2023-03-09 10:54:17] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-09 10:54:17] [INFO ] Invariant cache hit.
[2023-03-09 10:54:17] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-09 10:54:19] [INFO ] Implicit Places using invariants and state equation in 2071 ms returned []
Implicit Place search using SMT with State Equation took 3051 ms to find 0 implicit places.
[2023-03-09 10:54:19] [INFO ] Redundant transitions in 305 ms returned []
[2023-03-09 10:54:19] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-09 10:54:19] [INFO ] Invariant cache hit.
[2023-03-09 10:54:20] [INFO ] Dead Transitions using invariants and state equation in 1207 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4691 ms. Remains : 269/269 places, 3871/3871 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 167 transitions
Reduce isomorphic transitions removed 173 transitions.
Iterating post reduction 0 with 173 rules applied. Total rules applied 173 place count 269 transition count 3698
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 177 place count 267 transition count 3696
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 178 place count 267 transition count 3695
Free-agglomeration rule applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 182 place count 267 transition count 3691
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 186 place count 263 transition count 3691
Applied a total of 186 rules in 466 ms. Remains 263 /269 variables (removed 6) and now considering 3691/3871 (removed 180) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 3691 rows 263 cols
[2023-03-09 10:54:21] [INFO ] Computed 9 place invariants in 58 ms
[2023-03-09 10:54:21] [INFO ] After 78ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-09 10:54:21] [INFO ] [Nat]Absence check using 9 positive place invariants in 1 ms returned sat
[2023-03-09 10:54:22] [INFO ] After 587ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-09 10:54:22] [INFO ] After 965ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 122 ms.
[2023-03-09 10:54:22] [INFO ] After 1137ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Computed a total of 6 stabilizing places and 131 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 277 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 277/277 places, 3871/3871 transitions.
Applied a total of 0 rules in 25 ms. Remains 277 /277 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-09 10:54:22] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2023-03-09 10:54:22] [INFO ] Computed 8 place invariants in 13 ms
[2023-03-09 10:54:23] [INFO ] Implicit Places using invariants in 409 ms returned []
[2023-03-09 10:54:23] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-09 10:54:23] [INFO ] Invariant cache hit.
[2023-03-09 10:54:23] [INFO ] State equation strengthened by 282 read => feed constraints.
[2023-03-09 10:54:25] [INFO ] Implicit Places using invariants and state equation in 1924 ms returned []
Implicit Place search using SMT with State Equation took 2346 ms to find 0 implicit places.
[2023-03-09 10:54:25] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-09 10:54:25] [INFO ] Invariant cache hit.
[2023-03-09 10:54:26] [INFO ] Dead Transitions using invariants and state equation in 1085 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3473 ms. Remains : 277/277 places, 3871/3871 transitions.
Stuttering acceptance computed with spot in 165 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : BugTracking-PT-q8m256-LTLCardinality-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(GT s255 s88)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA BugTracking-PT-q8m256-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BugTracking-PT-q8m256-LTLCardinality-00 finished in 3706 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(F(p0))||(F(p0)&&X(F(!p0)))))'
Support contains 1 out of 277 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 277/277 places, 3871/3871 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 275 transition count 3877
Applied a total of 4 rules in 156 ms. Remains 275 /277 variables (removed 2) and now considering 3877/3871 (removed -6) transitions.
[2023-03-09 10:54:26] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
// Phase 1: matrix 3705 rows 275 cols
[2023-03-09 10:54:26] [INFO ] Computed 8 place invariants in 12 ms
[2023-03-09 10:54:27] [INFO ] Implicit Places using invariants in 516 ms returned []
[2023-03-09 10:54:27] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-09 10:54:27] [INFO ] Invariant cache hit.
[2023-03-09 10:54:27] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-09 10:54:29] [INFO ] Implicit Places using invariants and state equation in 1950 ms returned []
Implicit Place search using SMT with State Equation took 2495 ms to find 0 implicit places.
[2023-03-09 10:54:29] [INFO ] Redundant transitions in 171 ms returned []
[2023-03-09 10:54:29] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-09 10:54:29] [INFO ] Invariant cache hit.
[2023-03-09 10:54:30] [INFO ] Dead Transitions using invariants and state equation in 1133 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 275/277 places, 3877/3871 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3980 ms. Remains : 275/277 places, 3877/3871 transitions.
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : BugTracking-PT-q8m256-LTLCardinality-03 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GT s95 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 5164 steps with 1 reset in 81 ms.
FORMULA BugTracking-PT-q8m256-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BugTracking-PT-q8m256-LTLCardinality-03 finished in 4118 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 277 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 277/277 places, 3871/3871 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 275 transition count 3877
Applied a total of 4 rules in 114 ms. Remains 275 /277 variables (removed 2) and now considering 3877/3871 (removed -6) transitions.
[2023-03-09 10:54:30] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-09 10:54:30] [INFO ] Invariant cache hit.
[2023-03-09 10:54:31] [INFO ] Implicit Places using invariants in 398 ms returned []
[2023-03-09 10:54:31] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-09 10:54:31] [INFO ] Invariant cache hit.
[2023-03-09 10:54:31] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-09 10:54:32] [INFO ] Implicit Places using invariants and state equation in 1724 ms returned []
Implicit Place search using SMT with State Equation took 2149 ms to find 0 implicit places.
[2023-03-09 10:54:32] [INFO ] Redundant transitions in 97 ms returned []
[2023-03-09 10:54:32] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-09 10:54:32] [INFO ] Invariant cache hit.
[2023-03-09 10:54:34] [INFO ] Dead Transitions using invariants and state equation in 1177 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 275/277 places, 3877/3871 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3563 ms. Remains : 275/277 places, 3877/3871 transitions.
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BugTracking-PT-q8m256-LTLCardinality-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ s119 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 36 reset in 698 ms.
Product exploration explored 100000 steps with 31 reset in 798 ms.
Computed a total of 6 stabilizing places and 131 stable transitions
Computed a total of 6 stabilizing places and 131 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 152 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Finished random walk after 2741 steps, including 0 resets, run visited all 1 properties in 4 ms. (steps per millisecond=685 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 126 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 62 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 56 ms :[(NOT p0), (NOT p0)]
Support contains 1 out of 275 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 275/275 places, 3877/3877 transitions.
Applied a total of 0 rules in 56 ms. Remains 275 /275 variables (removed 0) and now considering 3877/3877 (removed 0) transitions.
[2023-03-09 10:54:36] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-09 10:54:36] [INFO ] Invariant cache hit.
[2023-03-09 10:54:36] [INFO ] Implicit Places using invariants in 418 ms returned []
[2023-03-09 10:54:36] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-09 10:54:36] [INFO ] Invariant cache hit.
[2023-03-09 10:54:37] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-09 10:54:38] [INFO ] Implicit Places using invariants and state equation in 1716 ms returned []
Implicit Place search using SMT with State Equation took 2171 ms to find 0 implicit places.
[2023-03-09 10:54:38] [INFO ] Redundant transitions in 101 ms returned []
[2023-03-09 10:54:38] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-09 10:54:38] [INFO ] Invariant cache hit.
[2023-03-09 10:54:39] [INFO ] Dead Transitions using invariants and state equation in 1121 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3469 ms. Remains : 275/275 places, 3877/3877 transitions.
Computed a total of 6 stabilizing places and 131 stable transitions
Computed a total of 6 stabilizing places and 131 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 189 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 53 ms :[(NOT p0), (NOT p0)]
Finished random walk after 4406 steps, including 1 resets, run visited all 1 properties in 7 ms. (steps per millisecond=629 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 132 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 53 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 55 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 24 reset in 521 ms.
Product exploration explored 100000 steps with 27 reset in 532 ms.
Built C files in :
/tmp/ltsmin8108118568364370733
[2023-03-09 10:54:41] [INFO ] Too many transitions (3877) to apply POR reductions. Disabling POR matrices.
[2023-03-09 10:54:41] [INFO ] Built C files in 84ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8108118568364370733
Running compilation step : cd /tmp/ltsmin8108118568364370733;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin8108118568364370733;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin8108118568364370733;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Support contains 1 out of 275 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 275/275 places, 3877/3877 transitions.
Applied a total of 0 rules in 83 ms. Remains 275 /275 variables (removed 0) and now considering 3877/3877 (removed 0) transitions.
[2023-03-09 10:54:44] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-09 10:54:44] [INFO ] Invariant cache hit.
[2023-03-09 10:54:45] [INFO ] Implicit Places using invariants in 435 ms returned []
[2023-03-09 10:54:45] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-09 10:54:45] [INFO ] Invariant cache hit.
[2023-03-09 10:54:45] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-09 10:54:47] [INFO ] Implicit Places using invariants and state equation in 1941 ms returned []
Implicit Place search using SMT with State Equation took 2385 ms to find 0 implicit places.
[2023-03-09 10:54:47] [INFO ] Redundant transitions in 157 ms returned []
[2023-03-09 10:54:47] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-09 10:54:47] [INFO ] Invariant cache hit.
[2023-03-09 10:54:48] [INFO ] Dead Transitions using invariants and state equation in 1197 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3831 ms. Remains : 275/275 places, 3877/3877 transitions.
Built C files in :
/tmp/ltsmin6161721803023307705
[2023-03-09 10:54:48] [INFO ] Too many transitions (3877) to apply POR reductions. Disabling POR matrices.
[2023-03-09 10:54:48] [INFO ] Built C files in 42ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6161721803023307705
Running compilation step : cd /tmp/ltsmin6161721803023307705;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin6161721803023307705;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin6161721803023307705;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
[2023-03-09 10:54:51] [INFO ] Flatten gal took : 175 ms
[2023-03-09 10:54:52] [INFO ] Flatten gal took : 164 ms
[2023-03-09 10:54:52] [INFO ] Time to serialize gal into /tmp/LTL8048041952219334286.gal : 72 ms
[2023-03-09 10:54:52] [INFO ] Time to serialize properties into /tmp/LTL5001175631419014699.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL8048041952219334286.gal' '-t' 'CGAL' '-hoa' '/tmp/aut2193061687203222027.hoa' '-atoms' '/tmp/LTL5001175631419014699.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL5001175631419014699.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut2193061687203222027.hoa
Detected timeout of ITS tools.
[2023-03-09 10:55:07] [INFO ] Flatten gal took : 249 ms
[2023-03-09 10:55:07] [INFO ] Flatten gal took : 217 ms
[2023-03-09 10:55:07] [INFO ] Time to serialize gal into /tmp/LTL8500368918746808557.gal : 47 ms
[2023-03-09 10:55:07] [INFO ] Time to serialize properties into /tmp/LTL16600494967720184115.ltl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL8500368918746808557.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL16600494967720184115.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((G(F("(x3_MUST_FIX_q5<=0)"))))
Formula 0 simplified : FG!"(x3_MUST_FIX_q5<=0)"
Detected timeout of ITS tools.
[2023-03-09 10:55:23] [INFO ] Flatten gal took : 220 ms
[2023-03-09 10:55:23] [INFO ] Applying decomposition
[2023-03-09 10:55:23] [INFO ] Flatten gal took : 186 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph7146879544189488919.txt' '-o' '/tmp/graph7146879544189488919.bin' '-w' '/tmp/graph7146879544189488919.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph7146879544189488919.bin' '-l' '-1' '-v' '-w' '/tmp/graph7146879544189488919.weights' '-q' '0' '-e' '0.001'
[2023-03-09 10:55:23] [INFO ] Decomposing Gal with order
[2023-03-09 10:55:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-09 10:55:24] [INFO ] Removed a total of 424 redundant transitions.
[2023-03-09 10:55:24] [INFO ] Flatten gal took : 577 ms
[2023-03-09 10:55:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 387 labels/synchronizations in 53 ms.
[2023-03-09 10:55:24] [INFO ] Time to serialize gal into /tmp/LTL15400209196593046555.gal : 43 ms
[2023-03-09 10:55:24] [INFO ] Time to serialize properties into /tmp/LTL8573185553992742363.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL15400209196593046555.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL8573185553992742363.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((G(F("(u5.x3_MUST_FIX_q5<=0)"))))
Formula 0 simplified : FG!"(u5.x3_MUST_FIX_q5<=0)"
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin5837987405032396004
[2023-03-09 10:55:39] [INFO ] Built C files in 36ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5837987405032396004
Running compilation step : cd /tmp/ltsmin5837987405032396004;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin5837987405032396004;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin5837987405032396004;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:92)
at java.base/java.lang.Thread.run(Thread.java:833)
Treatment of property BugTracking-PT-q8m256-LTLCardinality-06 finished in 72487 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 277 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 277/277 places, 3871/3871 transitions.
Applied a total of 0 rules in 16 ms. Remains 277 /277 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-09 10:55:43] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2023-03-09 10:55:43] [INFO ] Computed 8 place invariants in 14 ms
[2023-03-09 10:55:43] [INFO ] Implicit Places using invariants in 535 ms returned []
[2023-03-09 10:55:43] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-09 10:55:43] [INFO ] Invariant cache hit.
[2023-03-09 10:55:44] [INFO ] State equation strengthened by 282 read => feed constraints.
[2023-03-09 10:55:45] [INFO ] Implicit Places using invariants and state equation in 2034 ms returned []
Implicit Place search using SMT with State Equation took 2596 ms to find 0 implicit places.
[2023-03-09 10:55:45] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-09 10:55:45] [INFO ] Invariant cache hit.
[2023-03-09 10:55:47] [INFO ] Dead Transitions using invariants and state equation in 1392 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4007 ms. Remains : 277/277 places, 3871/3871 transitions.
Stuttering acceptance computed with spot in 61 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : BugTracking-PT-q8m256-LTLCardinality-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ s91 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 1144 ms.
Product exploration explored 100000 steps with 50000 reset in 1148 ms.
Computed a total of 6 stabilizing places and 131 stable transitions
Computed a total of 6 stabilizing places and 131 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 150 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BugTracking-PT-q8m256-LTLCardinality-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BugTracking-PT-q8m256-LTLCardinality-07 finished in 6556 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0) U X(X(p1)))||G(!p1)))'
Support contains 3 out of 277 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 277/277 places, 3871/3871 transitions.
Applied a total of 0 rules in 19 ms. Remains 277 /277 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-09 10:55:49] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-09 10:55:49] [INFO ] Invariant cache hit.
[2023-03-09 10:55:50] [INFO ] Implicit Places using invariants in 411 ms returned []
[2023-03-09 10:55:50] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-09 10:55:50] [INFO ] Invariant cache hit.
[2023-03-09 10:55:50] [INFO ] State equation strengthened by 282 read => feed constraints.
[2023-03-09 10:55:52] [INFO ] Implicit Places using invariants and state equation in 2054 ms returned []
Implicit Place search using SMT with State Equation took 2484 ms to find 0 implicit places.
[2023-03-09 10:55:52] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-09 10:55:52] [INFO ] Invariant cache hit.
[2023-03-09 10:55:53] [INFO ] Dead Transitions using invariants and state equation in 1218 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3726 ms. Remains : 277/277 places, 3871/3871 transitions.
Stuttering acceptance computed with spot in 490 ms :[false, (NOT p1), false, false, (NOT p1), (NOT p1), true, false, false, (NOT p1), p1, (AND p1 (NOT p0)), (NOT p0)]
Running random walk in product with property : BugTracking-PT-q8m256-LTLCardinality-08 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=0 dest: 3}, { cond=(AND p0 p1), acceptance={} source=0 dest: 4}], [{ cond=true, acceptance={} source=1 dest: 5}], [{ cond=p1, acceptance={} source=2 dest: 5}, { cond=(NOT p1), acceptance={} source=2 dest: 7}], [{ cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 5}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 7}, { cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 8}, { cond=(AND p0 p1), acceptance={} source=3 dest: 9}], [{ cond=(NOT p0), acceptance={} source=4 dest: 5}, { cond=p0, acceptance={} source=4 dest: 9}], [{ cond=(NOT p1), acceptance={} source=5 dest: 6}], [{ cond=true, acceptance={0} source=6 dest: 6}], [{ cond=(NOT p1), acceptance={} source=7 dest: 10}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=8 dest: 10}, { cond=(AND p0 (NOT p1)), acceptance={} source=8 dest: 11}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=9 dest: 6}, { cond=(AND p0 (NOT p1)), acceptance={0} source=9 dest: 9}, { cond=(AND p0 (NOT p1)), acceptance={0} source=9 dest: 12}], [{ cond=p1, acceptance={} source=10 dest: 6}, { cond=(NOT p1), acceptance={} source=10 dest: 10}], [{ cond=(AND (NOT p0) p1), acceptance={} source=11 dest: 6}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=11 dest: 10}, { cond=(AND p0 (NOT p1)), acceptance={} source=11 dest: 11}, { cond=(AND p0 p1), acceptance={} source=11 dest: 12}], [{ cond=(NOT p0), acceptance={} source=12 dest: 6}, { cond=p0, acceptance={} source=12 dest: 12}]], initial=0, aps=[p0:(LEQ s201 s61), p1:(GT 2 s262)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 1167 ms.
Product exploration explored 100000 steps with 33333 reset in 1115 ms.
Computed a total of 6 stabilizing places and 131 stable transitions
Computed a total of 6 stabilizing places and 131 stable transitions
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X (AND p0 p1)), (X p0), (X p1), (X (NOT (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (X p1))
Knowledge based reduction with 10 factoid took 348 ms. Reduced automaton from 13 states, 29 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA BugTracking-PT-q8m256-LTLCardinality-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property BugTracking-PT-q8m256-LTLCardinality-08 finished in 6905 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
[2023-03-09 10:55:56] [INFO ] Flatten gal took : 178 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin1533162604243653796
[2023-03-09 10:55:56] [INFO ] Too many transitions (3871) to apply POR reductions. Disabling POR matrices.
[2023-03-09 10:55:57] [INFO ] Built C files in 55ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1533162604243653796
Running compilation step : cd /tmp/ltsmin1533162604243653796;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2023-03-09 10:55:57] [INFO ] Applying decomposition
[2023-03-09 10:55:57] [INFO ] Flatten gal took : 250 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph10325805779229895108.txt' '-o' '/tmp/graph10325805779229895108.bin' '-w' '/tmp/graph10325805779229895108.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph10325805779229895108.bin' '-l' '-1' '-v' '-w' '/tmp/graph10325805779229895108.weights' '-q' '0' '-e' '0.001'
[2023-03-09 10:55:57] [INFO ] Decomposing Gal with order
[2023-03-09 10:55:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-09 10:55:58] [INFO ] Removed a total of 406 redundant transitions.
[2023-03-09 10:55:58] [INFO ] Flatten gal took : 434 ms
[2023-03-09 10:55:58] [INFO ] Fuse similar labels procedure discarded/fused a total of 377 labels/synchronizations in 24 ms.
[2023-03-09 10:55:58] [INFO ] Time to serialize gal into /tmp/LTLCardinality5744437795502993074.gal : 45 ms
[2023-03-09 10:55:58] [INFO ] Time to serialize properties into /tmp/LTLCardinality11203056085768894992.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLCardinality5744437795502993074.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLCardinality11203056085768894992.ltl' '-c' '-stutter-deadlock'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !((G(F("(u5.x3_MUST_FIX_q5<=0)"))))
Formula 0 simplified : FG!"(u5.x3_MUST_FIX_q5<=0)"
Compilation finished in 10962 ms.
Running link step : cd /tmp/ltsmin1533162604243653796;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 99 ms.
Running LTSmin : cd /tmp/ltsmin1533162604243653796;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--ltl' '[](<>((LTLAPp0==true)))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2023-03-09 11:16:41] [INFO ] Flatten gal took : 443 ms
[2023-03-09 11:16:41] [INFO ] Time to serialize gal into /tmp/LTLCardinality18359429927760584717.gal : 52 ms
[2023-03-09 11:16:41] [INFO ] Time to serialize properties into /tmp/LTLCardinality2156500646140602950.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLCardinality18359429927760584717.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLCardinality2156500646140602950.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...298
Read 1 LTL properties
Checking formula 0 : !((G(F("(x3_MUST_FIX_q5<=0)"))))
Formula 0 simplified : FG!"(x3_MUST_FIX_q5<=0)"
Detected timeout of ITS tools.
[2023-03-09 11:37:24] [INFO ] Flatten gal took : 365 ms
[2023-03-09 11:37:25] [INFO ] Input system was already deterministic with 3871 transitions.
[2023-03-09 11:37:25] [INFO ] Transformed 277 places.
[2023-03-09 11:37:25] [INFO ] Transformed 3871 transitions.
Running greatSPN : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//../itstools/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//../itstools/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
[2023-03-09 11:37:25] [INFO ] Time to serialize gal into /tmp/LTLCardinality9852752992363477957.gal : 59 ms
[2023-03-09 11:37:25] [INFO ] Time to serialize properties into /tmp/LTLCardinality12672750927616090058.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLCardinality9852752992363477957.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLCardinality12672750927616090058.ltl' '-c' '-stutter-deadlock' '--load-order' '/home/mcc/execution/model.ord' '--gen-order' 'FOLLOW'
its-ltl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...343
Read 1 LTL properties
Successfully loaded order from file /home/mcc/execution/model.ord
Checking formula 0 : !((G(F("(x3_MUST_FIX_q5<=0)"))))
Formula 0 simplified : FG!"(x3_MUST_FIX_q5<=0)"
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393340 kB
MemFree: 3731416 kB
After kill :
MemTotal: 16393340 kB
MemFree: 16018076 kB
BK_TIME_CONFINEMENT_REACHED
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
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-q8m256"
export BK_EXAMINATION="LTLCardinality"
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 2-5348"
echo " Executing tool itstools"
echo " Input is BugTracking-PT-q8m256, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r037-tajo-167813690400443"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/BugTracking-PT-q8m256.tgz
mv BugTracking-PT-q8m256 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;