fond
Model Checking Contest 2022
12th edition, Bergen, Norway, June 21, 2022
Execution of r312-tall-165472283101043
Last Updated
Jun 22, 2022

About the Execution of ITS-Tools for Szymanski-PT-b04

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
3024.092 282185.00 506598.00 661.30 FFFFFFTFFTTFFFFF 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-165472283101043.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)
...........................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is Szymanski-PT-b04, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r312-tall-165472283101043
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.1M
-rw-r--r-- 1 mcc users 6.5K Jun 7 17:07 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Jun 7 17:07 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Jun 7 17:06 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Jun 7 17:06 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Jun 6 15:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Jun 6 15:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Jun 6 15:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Jun 6 15:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 6 12:11 NewModel
-rw-r--r-- 1 mcc users 8.9K Jun 7 17:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 92K Jun 7 17:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Jun 7 17:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 84K Jun 7 17:07 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Jun 6 15:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Jun 6 15:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 6 12:11 equiv_col
-rw-r--r-- 1 mcc users 4 Jun 6 12:11 instance
-rw-r--r-- 1 mcc users 6 Jun 6 12:11 iscolored
-rw-r--r-- 1 mcc users 3.7M 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 Szymanski-PT-b04-LTLCardinality-00
FORMULA_NAME Szymanski-PT-b04-LTLCardinality-01
FORMULA_NAME Szymanski-PT-b04-LTLCardinality-02
FORMULA_NAME Szymanski-PT-b04-LTLCardinality-03
FORMULA_NAME Szymanski-PT-b04-LTLCardinality-04
FORMULA_NAME Szymanski-PT-b04-LTLCardinality-05
FORMULA_NAME Szymanski-PT-b04-LTLCardinality-06
FORMULA_NAME Szymanski-PT-b04-LTLCardinality-07
FORMULA_NAME Szymanski-PT-b04-LTLCardinality-08
FORMULA_NAME Szymanski-PT-b04-LTLCardinality-09
FORMULA_NAME Szymanski-PT-b04-LTLCardinality-10
FORMULA_NAME Szymanski-PT-b04-LTLCardinality-11
FORMULA_NAME Szymanski-PT-b04-LTLCardinality-12
FORMULA_NAME Szymanski-PT-b04-LTLCardinality-13
FORMULA_NAME Szymanski-PT-b04-LTLCardinality-14
FORMULA_NAME Szymanski-PT-b04-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1654973718758

Running Version 202205111006
[2022-06-11 18:55:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -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]
[2022-06-11 18:55:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-06-11 18:55:20] [INFO ] Load time of PNML (sax parser for PT used): 342 ms
[2022-06-11 18:55:20] [INFO ] Transformed 568 places.
[2022-06-11 18:55:20] [INFO ] Transformed 8320 transitions.
[2022-06-11 18:55:20] [INFO ] Parsed PT model containing 568 places and 8320 transitions in 502 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Deduced a syphon composed of 260 places in 26 ms
Reduce places removed 260 places and 256 transitions.
Initial state reduction rules removed 2 formulas.
FORMULA Szymanski-PT-b04-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b04-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b04-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b04-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b04-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b04-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b04-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b04-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 17 out of 308 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 308/308 places, 8064/8064 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 307 transition count 8064
Applied a total of 1 rules in 165 ms. Remains 307 /308 variables (removed 1) and now considering 8064/8064 (removed 0) transitions.
[2022-06-11 18:55:20] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 307 cols
[2022-06-11 18:55:20] [INFO ] Computed 2 place invariants in 46 ms
[2022-06-11 18:55:21] [INFO ] Implicit Places using invariants in 906 ms returned []
[2022-06-11 18:55:21] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 307 cols
[2022-06-11 18:55:21] [INFO ] Computed 2 place invariants in 29 ms
[2022-06-11 18:55:22] [INFO ] State equation strengthened by 147 read => feed constraints.
[2022-06-11 18:55:30] [INFO ] Implicit Places using invariants and state equation in 8980 ms returned []
Implicit Place search using SMT with State Equation took 9933 ms to find 0 implicit places.
[2022-06-11 18:55:30] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 307 cols
[2022-06-11 18:55:30] [INFO ] Computed 2 place invariants in 17 ms
[2022-06-11 18:55:32] [INFO ] Dead Transitions using invariants and state equation in 2165 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 307/308 places, 8064/8064 transitions.
Finished structural reductions, in 1 iterations. Remains : 307/308 places, 8064/8064 transitions.
Support contains 17 out of 307 places after structural reductions.
[2022-06-11 18:55:33] [INFO ] Initial state reduction rules for LTL removed 1 formulas.
[2022-06-11 18:55:33] [INFO ] Flatten gal took : 446 ms
[2022-06-11 18:55:33] [INFO ] Initial state reduction rules for LTL removed 1 formulas.
FORMULA Szymanski-PT-b04-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b04-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2022-06-11 18:55:33] [INFO ] Flatten gal took : 321 ms
[2022-06-11 18:55:34] [INFO ] Input system was already deterministic with 8064 transitions.
Incomplete random walk after 10001 steps, including 2 resets, run finished after 371 ms. (steps per millisecond=26 ) properties (out of 16) seen :3
Incomplete Best-First random walk after 10000 steps, including 5 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 13) seen :1
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 74 ms. (steps per millisecond=135 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 12) 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 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 12) seen :1
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 11) seen :0
Running SMT prover for 11 properties.
[2022-06-11 18:55:35] [INFO ] Flow matrix only has 2733 transitions (discarded 5331 similar events)
// Phase 1: matrix 2733 rows 307 cols
[2022-06-11 18:55:35] [INFO ] Computed 2 place invariants in 15 ms
[2022-06-11 18:55:35] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2022-06-11 18:55:35] [INFO ] After 152ms SMT Verify possible using all constraints in real domain returned unsat :3 sat :0 real:8
[2022-06-11 18:55:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2022-06-11 18:55:36] [INFO ] After 1011ms SMT Verify possible using state equation in natural domain returned unsat :9 sat :2
[2022-06-11 18:55:36] [INFO ] State equation strengthened by 147 read => feed constraints.
[2022-06-11 18:55:55] [INFO ] After 18090ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :9 sat :0
[2022-06-11 18:55:55] [INFO ] After 19233ms SMT Verify possible using all constraints in natural domain returned unsat :9 sat :0
Fused 11 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 23 ms.
Support contains 3 out of 307 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 307/307 places, 8064/8064 transitions.
Graph (complete) has 9097 edges and 307 vertex of which 306 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.23 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 129 place count 306 transition count 7936
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 130 place count 305 transition count 7808
Iterating global reduction 1 with 1 rules applied. Total rules applied 131 place count 305 transition count 7808
Applied a total of 131 rules in 507 ms. Remains 305 /307 variables (removed 2) and now considering 7808/8064 (removed 256) transitions.
Finished structural reductions, in 1 iterations. Remains : 305/307 places, 7808/8064 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 141266 steps, run timeout after 3001 ms. (steps per millisecond=47 ) properties seen :{}
Probabilistic random walk after 141266 steps, saw 54876 distinct states, run finished after 3002 ms. (steps per millisecond=47 ) properties seen :0
Running SMT prover for 2 properties.
[2022-06-11 18:55:58] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2022-06-11 18:55:58] [INFO ] Computed 3 place invariants in 14 ms
[2022-06-11 18:55:58] [INFO ] After 169ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2022-06-11 18:55:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2022-06-11 18:55:59] [INFO ] After 820ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2022-06-11 18:55:59] [INFO ] State equation strengthened by 147 read => feed constraints.
[2022-06-11 18:56:03] [INFO ] After 3135ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2022-06-11 18:56:03] [INFO ] Deduced a trap composed of 78 places in 615 ms of which 5 ms to minimize.
[2022-06-11 18:56:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 743 ms
[2022-06-11 18:56:05] [INFO ] Deduced a trap composed of 138 places in 1012 ms of which 2 ms to minimize.
[2022-06-11 18:56:05] [INFO ] Deduced a trap composed of 65 places in 428 ms of which 1 ms to minimize.
[2022-06-11 18:56:06] [INFO ] Deduced a trap composed of 159 places in 432 ms of which 1 ms to minimize.
[2022-06-11 18:56:06] [INFO ] Deduced a trap composed of 78 places in 439 ms of which 1 ms to minimize.
[2022-06-11 18:56:08] [INFO ] Deduced a trap composed of 73 places in 423 ms of which 1 ms to minimize.
[2022-06-11 18:56:08] [INFO ] Deduced a trap composed of 60 places in 444 ms of which 1 ms to minimize.
[2022-06-11 18:56:09] [INFO ] Deduced a trap composed of 58 places in 463 ms of which 1 ms to minimize.
[2022-06-11 18:56:09] [INFO ] Deduced a trap composed of 103 places in 329 ms of which 0 ms to minimize.
[2022-06-11 18:56:09] [INFO ] Deduced a trap composed of 103 places in 311 ms of which 0 ms to minimize.
[2022-06-11 18:56:10] [INFO ] Deduced a trap composed of 133 places in 298 ms of which 0 ms to minimize.
[2022-06-11 18:56:10] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 6535 ms
[2022-06-11 18:56:10] [INFO ] After 10629ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 10881 ms.
[2022-06-11 18:56:21] [INFO ] After 22449ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 21 ms.
Support contains 3 out of 305 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 207 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7808/7808 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 305/305 places, 7808/7808 transitions.
Applied a total of 0 rules in 348 ms. Remains 305 /305 variables (removed 0) and now considering 7808/7808 (removed 0) transitions.
[2022-06-11 18:56:22] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2022-06-11 18:56:22] [INFO ] Computed 3 place invariants in 19 ms
[2022-06-11 18:56:22] [INFO ] Implicit Places using invariants in 589 ms returned []
[2022-06-11 18:56:22] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2022-06-11 18:56:22] [INFO ] Computed 3 place invariants in 21 ms
[2022-06-11 18:56:23] [INFO ] State equation strengthened by 147 read => feed constraints.
[2022-06-11 18:56:24] [INFO ] Implicit Places using invariants and state equation in 1865 ms returned []
Implicit Place search using SMT with State Equation took 2457 ms to find 0 implicit places.
[2022-06-11 18:56:25] [INFO ] Redundant transitions in 899 ms returned []
[2022-06-11 18:56:25] [INFO ] Flow matrix only has 2604 transitions (discarded 5204 similar events)
// Phase 1: matrix 2604 rows 305 cols
[2022-06-11 18:56:25] [INFO ] Computed 3 place invariants in 17 ms
[2022-06-11 18:56:27] [INFO ] Dead Transitions using invariants and state equation in 2323 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7808/7808 transitions.
Graph (trivial) has 5264 edges and 305 vertex of which 38 / 305 are part of one of the 2 SCC in 4 ms
Free SCC test removed 36 places
Drop transitions removed 4264 transitions
Ensure Unique test removed 1182 transitions
Reduce isomorphic transitions removed 5446 transitions.
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 0 with 416 rules applied. Total rules applied 417 place count 269 transition count 1946
Applied a total of 417 rules in 372 ms. Remains 269 /305 variables (removed 36) and now considering 1946/7808 (removed 5862) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 1946 rows 269 cols
[2022-06-11 18:56:28] [INFO ] Computed 3 place invariants in 12 ms
[2022-06-11 18:56:28] [INFO ] After 53ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2022-06-11 18:56:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2022-06-11 18:56:28] [INFO ] After 441ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2022-06-11 18:56:28] [INFO ] State equation strengthened by 504 read => feed constraints.
[2022-06-11 18:56:30] [INFO ] After 1377ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2022-06-11 18:56:30] [INFO ] After 2191ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 508 ms.
[2022-06-11 18:56:31] [INFO ] After 3209ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2022-06-11 18:56:31] [INFO ] Flatten gal took : 70 ms
[2022-06-11 18:56:31] [INFO ] Flatten gal took : 67 ms
[2022-06-11 18:56:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1882613449507842770.gal : 38 ms
[2022-06-11 18:56:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7535507094948785690.prop : 1 ms
Invoking ITS tools like this :cd /tmp/redAtoms5770255673688222715;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1882613449507842770.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7535507094948785690.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp...319
Loading property file /tmp/ReachabilityCardinality7535507094948785690.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 260
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :260 after 13860
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :13860 after 14360
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :14360 after 16643
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :16643 after 28895
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :28895 after 32325
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :32325 after 36839
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :36839 after 44844
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :44844 after 57668
Reachability property AtomicPropp14 is true.
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :57668 after 146687
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :146687 after 168161
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,311554,8.27237,168240,2,3542,19,225095,7,0,3021,389619,0
Total reachable state count : 311554

Verifying 2 reachability properties.
Reachability property AtomicPropp6 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
AtomicPropp6,1155,8.27551,168240,2,754,19,225095,7,0,3023,389619,0
Reachability property AtomicPropp14 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
AtomicPropp14,645,8.27619,168240,2,362,19,225095,8,0,3029,389619,0
Successfully simplified 9 atomic propositions for a total of 6 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA Szymanski-PT-b04-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Szymanski-PT-b04-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 12 stabilizing places and 2432 stable transitions
Graph (complete) has 12554 edges and 307 vertex of which 306 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.40 ms
FORMULA Szymanski-PT-b04-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 307 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 307/307 places, 8064/8064 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 306 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 306 transition count 7936
Applied a total of 2 rules in 70 ms. Remains 306 /307 variables (removed 1) and now considering 7936/8064 (removed 128) transitions.
[2022-06-11 18:56:40] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 306 cols
[2022-06-11 18:56:40] [INFO ] Computed 2 place invariants in 19 ms
[2022-06-11 18:56:40] [INFO ] Implicit Places using invariants in 557 ms returned []
[2022-06-11 18:56:40] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 306 cols
[2022-06-11 18:56:40] [INFO ] Computed 2 place invariants in 15 ms
[2022-06-11 18:56:41] [INFO ] State equation strengthened by 147 read => feed constraints.
[2022-06-11 18:56:43] [INFO ] Implicit Places using invariants and state equation in 2707 ms returned []
Implicit Place search using SMT with State Equation took 3266 ms to find 0 implicit places.
[2022-06-11 18:56:43] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 306 cols
[2022-06-11 18:56:43] [INFO ] Computed 2 place invariants in 14 ms
[2022-06-11 18:56:45] [INFO ] Dead Transitions using invariants and state equation in 2255 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 306/307 places, 7936/8064 transitions.
Finished structural reductions, in 1 iterations. Remains : 306/307 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 185 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b04-LTLCardinality-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GT s256 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 2 reset in 615 ms.
Stack based approach found an accepted trace after 109 steps with 0 reset with depth 110 and stack size 110 in 2 ms.
FORMULA Szymanski-PT-b04-LTLCardinality-08 FALSE TECHNIQUES STACK_TEST
Treatment of property Szymanski-PT-b04-LTLCardinality-08 finished in 6471 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(X(F(p0))))'
Support contains 1 out of 307 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 307/307 places, 8064/8064 transitions.
Graph (complete) has 12554 edges and 307 vertex of which 306 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.16 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 305 transition count 7936
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 305 transition count 7936
Applied a total of 3 rules in 568 ms. Remains 305 /307 variables (removed 2) and now considering 7936/8064 (removed 128) transitions.
[2022-06-11 18:56:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2022-06-11 18:56:47] [INFO ] Computed 1 place invariants in 20 ms
[2022-06-11 18:56:47] [INFO ] Implicit Places using invariants in 460 ms returned []
[2022-06-11 18:56:47] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2022-06-11 18:56:47] [INFO ] Computed 1 place invariants in 17 ms
[2022-06-11 18:56:48] [INFO ] State equation strengthened by 147 read => feed constraints.
[2022-06-11 18:56:54] [INFO ] Implicit Places using invariants and state equation in 7204 ms returned []
Implicit Place search using SMT with State Equation took 7673 ms to find 0 implicit places.
[2022-06-11 18:56:55] [INFO ] Redundant transitions in 905 ms returned []
[2022-06-11 18:56:55] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2022-06-11 18:56:55] [INFO ] Computed 1 place invariants in 15 ms
[2022-06-11 18:56:57] [INFO ] Dead Transitions using invariants and state equation in 2136 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 305/307 places, 7936/8064 transitions.
Finished structural reductions, in 1 iterations. Remains : 305/307 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 93 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b04-LTLCardinality-12 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 s57 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 3 reset in 497 ms.
Product exploration explored 100000 steps with 1 reset in 490 ms.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 115 ms. Reduced automaton from 2 states, 3 edges and 1 AP to 2 states, 3 edges and 1 AP.
Stuttering acceptance computed with spot in 68 ms :[(NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :0
Finished Best-First random walk after 8473 steps, including 3 resets, run visited all 1 properties in 14 ms. (steps per millisecond=605 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 143 ms. Reduced automaton from 2 states, 3 edges and 1 AP to 2 states, 3 edges and 1 AP.
Stuttering acceptance computed with spot in 85 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 199 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2022-06-11 18:56:59] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2022-06-11 18:56:59] [INFO ] Computed 1 place invariants in 20 ms
[2022-06-11 18:57:00] [INFO ] Implicit Places using invariants in 475 ms returned []
[2022-06-11 18:57:00] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2022-06-11 18:57:00] [INFO ] Computed 1 place invariants in 17 ms
[2022-06-11 18:57:00] [INFO ] State equation strengthened by 147 read => feed constraints.
[2022-06-11 18:57:07] [INFO ] Implicit Places using invariants and state equation in 7182 ms returned []
Implicit Place search using SMT with State Equation took 7662 ms to find 0 implicit places.
[2022-06-11 18:57:08] [INFO ] Redundant transitions in 676 ms returned []
[2022-06-11 18:57:08] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2022-06-11 18:57:08] [INFO ] Computed 1 place invariants in 20 ms
[2022-06-11 18:57:10] [INFO ] Dead Transitions using invariants and state equation in 2033 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7936/7936 transitions.
Computed a total of 11 stabilizing places and 2304 stable transitions
Computed a total of 11 stabilizing places and 2304 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 112 ms. Reduced automaton from 2 states, 3 edges and 1 AP to 2 states, 3 edges and 1 AP.
Stuttering acceptance computed with spot in 64 ms :[(NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 3 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 179250 steps, run timeout after 3001 ms. (steps per millisecond=59 ) properties seen :{}
Probabilistic random walk after 179250 steps, saw 68056 distinct states, run finished after 3001 ms. (steps per millisecond=59 ) properties seen :0
Running SMT prover for 1 properties.
[2022-06-11 18:57:13] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2022-06-11 18:57:13] [INFO ] Computed 1 place invariants in 14 ms
[2022-06-11 18:57:13] [INFO ] After 50ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-06-11 18:57:13] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 3 ms returned sat
[2022-06-11 18:57:16] [INFO ] After 2627ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-06-11 18:57:16] [INFO ] State equation strengthened by 147 read => feed constraints.
[2022-06-11 18:57:20] [INFO ] After 3858ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2022-06-11 18:57:23] [INFO ] After 6870ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 4565 ms.
[2022-06-11 18:57:27] [INFO ] After 14133ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 23 ms.
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Drop transitions removed 127 transitions
Reduce isomorphic transitions removed 127 transitions.
Iterating post reduction 0 with 127 rules applied. Total rules applied 127 place count 305 transition count 7809
Applied a total of 127 rules in 235 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7936 (removed 127) transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7809/7936 transitions.
Incomplete random walk after 10003 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 195380 steps, run timeout after 3001 ms. (steps per millisecond=65 ) properties seen :{}
Probabilistic random walk after 195380 steps, saw 64472 distinct states, run finished after 3001 ms. (steps per millisecond=65 ) properties seen :0
Running SMT prover for 1 properties.
[2022-06-11 18:57:31] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2022-06-11 18:57:31] [INFO ] Computed 2 place invariants in 23 ms
[2022-06-11 18:57:31] [INFO ] After 52ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-06-11 18:57:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2022-06-11 18:57:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2022-06-11 18:57:32] [INFO ] After 1035ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-06-11 18:57:32] [INFO ] State equation strengthened by 147 read => feed constraints.
[2022-06-11 18:57:34] [INFO ] After 2619ms SMT Verify possible using 147 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2022-06-11 18:57:35] [INFO ] After 2851ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 4378 ms.
[2022-06-11 18:57:39] [INFO ] After 8327ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 37 ms.
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 204 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7809/7809 transitions.
Starting structural reductions in SAFETY mode, iteration 0 : 305/305 places, 7809/7809 transitions.
Applied a total of 0 rules in 199 ms. Remains 305 /305 variables (removed 0) and now considering 7809/7809 (removed 0) transitions.
[2022-06-11 18:57:39] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2022-06-11 18:57:39] [INFO ] Computed 2 place invariants in 22 ms
[2022-06-11 18:57:40] [INFO ] Implicit Places using invariants in 483 ms returned []
[2022-06-11 18:57:40] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2022-06-11 18:57:40] [INFO ] Computed 2 place invariants in 12 ms
[2022-06-11 18:57:40] [INFO ] State equation strengthened by 147 read => feed constraints.
[2022-06-11 18:57:48] [INFO ] Implicit Places using invariants and state equation in 8244 ms returned []
Implicit Place search using SMT with State Equation took 8728 ms to find 0 implicit places.
[2022-06-11 18:57:49] [INFO ] Redundant transitions in 633 ms returned []
[2022-06-11 18:57:49] [INFO ] Flow matrix only has 2605 transitions (discarded 5204 similar events)
// Phase 1: matrix 2605 rows 305 cols
[2022-06-11 18:57:49] [INFO ] Computed 2 place invariants in 18 ms
[2022-06-11 18:57:51] [INFO ] Dead Transitions using invariants and state equation in 2074 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7809/7809 transitions.
Graph (trivial) has 5264 edges and 305 vertex of which 38 / 305 are part of one of the 2 SCC in 1 ms
Free SCC test removed 36 places
Drop transitions removed 4264 transitions
Ensure Unique test removed 1182 transitions
Reduce isomorphic transitions removed 5446 transitions.
Drop transitions removed 416 transitions
Redundant transition composition rules discarded 416 transitions
Iterating global reduction 0 with 416 rules applied. Total rules applied 417 place count 269 transition count 1947
Applied a total of 417 rules in 124 ms. Remains 269 /305 variables (removed 36) and now considering 1947/7809 (removed 5862) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1947 rows 269 cols
[2022-06-11 18:57:51] [INFO ] Computed 2 place invariants in 12 ms
[2022-06-11 18:57:51] [INFO ] After 49ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-06-11 18:57:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2022-06-11 18:57:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2022-06-11 18:57:52] [INFO ] After 549ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-06-11 18:57:52] [INFO ] State equation strengthened by 504 read => feed constraints.
[2022-06-11 18:58:01] [INFO ] After 9109ms SMT Verify possible using 504 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2022-06-11 18:58:01] [INFO ] After 9740ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
[2022-06-11 18:58:01] [INFO ] Flatten gal took : 66 ms
[2022-06-11 18:58:01] [INFO ] Flatten gal took : 65 ms
[2022-06-11 18:58:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10026354911718261440.gal : 9 ms
[2022-06-11 18:58:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1355162312340769672.prop : 0 ms
Invoking ITS tools like this :cd /tmp/redAtoms12210620184463454331;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10026354911718261440.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1355162312340769672.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-reach-linux64 --gc-threshold 2000000 --quiet -i /tmp...320
Loading property file /tmp/ReachabilityCardinality1355162312340769672.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 25
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :25 after 260
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :260 after 13860
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :13860 after 14360
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :14360 after 16643
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :16643 after 28895
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :28895 after 32325
Reachability property apf0 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 513 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,36839,0.575019,19284,2,1034,14,21392,6,0,3023,17593,0
Total reachable state count : 36839

Verifying 1 reachability properties.
Reachability property apf0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
apf0,505,0.578419,19284,2,366,14,21392,7,0,3026,17593,0
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 95 ms. Reduced automaton from 2 states, 3 edges and 1 AP to 2 states, 3 edges and 1 AP.
Stuttering acceptance computed with spot in 64 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 5 reset in 548 ms.
Product exploration explored 100000 steps with 2 reset in 501 ms.
Built C files in :
/tmp/ltsmin7856516512725095618
[2022-06-11 18:58:03] [INFO ] Too many transitions (7936) to apply POR reductions. Disabling POR matrices.
[2022-06-11 18:58:03] [INFO ] Built C files in 92ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7856516512725095618
Running compilation step : cd /tmp/ltsmin7856516512725095618;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/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/ltsmin7856516512725095618;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/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/ltsmin7856516512725095618;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/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:94)
at java.base/java.lang.Thread.run(Thread.java:829)
Support contains 1 out of 305 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 305/305 places, 7936/7936 transitions.
Applied a total of 0 rules in 207 ms. Remains 305 /305 variables (removed 0) and now considering 7936/7936 (removed 0) transitions.
[2022-06-11 18:58:06] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2022-06-11 18:58:06] [INFO ] Computed 1 place invariants in 13 ms
[2022-06-11 18:58:07] [INFO ] Implicit Places using invariants in 445 ms returned []
[2022-06-11 18:58:07] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2022-06-11 18:58:07] [INFO ] Computed 1 place invariants in 16 ms
[2022-06-11 18:58:07] [INFO ] State equation strengthened by 147 read => feed constraints.
[2022-06-11 18:58:15] [INFO ] Implicit Places using invariants and state equation in 8140 ms returned []
Implicit Place search using SMT with State Equation took 8590 ms to find 0 implicit places.
[2022-06-11 18:58:15] [INFO ] Redundant transitions in 655 ms returned []
[2022-06-11 18:58:15] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2022-06-11 18:58:16] [INFO ] Computed 1 place invariants in 18 ms
[2022-06-11 18:58:17] [INFO ] Dead Transitions using invariants and state equation in 1906 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 305/305 places, 7936/7936 transitions.
Built C files in :
/tmp/ltsmin5672092326736973198
[2022-06-11 18:58:17] [INFO ] Too many transitions (7936) to apply POR reductions. Disabling POR matrices.
[2022-06-11 18:58:17] [INFO ] Built C files in 68ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5672092326736973198
Running compilation step : cd /tmp/ltsmin5672092326736973198;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/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/ltsmin5672092326736973198;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/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/ltsmin5672092326736973198;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/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:94)
at java.base/java.lang.Thread.run(Thread.java:829)
[2022-06-11 18:58:21] [INFO ] Flatten gal took : 282 ms
[2022-06-11 18:58:21] [INFO ] Flatten gal took : 229 ms
[2022-06-11 18:58:21] [INFO ] Time to serialize gal into /tmp/LTL11460022673517194537.gal : 51 ms
[2022-06-11 18:58:21] [INFO ] Time to serialize properties into /tmp/LTL13424353149384254154.ltl : 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL11460022673517194537.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL13424353149384254154.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/LTL1146002...268
Read 1 LTL properties
Checking formula 0 : !((G(X(F("(p57<=0)")))))
Formula 0 simplified : !GXF"(p57<=0)"
Detected timeout of ITS tools.
[2022-06-11 18:58:37] [INFO ] Flatten gal took : 244 ms
[2022-06-11 18:58:37] [INFO ] Applying decomposition
[2022-06-11 18:58:37] [INFO ] Flatten gal took : 286 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/graph2136129902061366696.txt' '-o' '/tmp/graph2136129902061366696.bin' '-w' '/tmp/graph2136129902061366696.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph2136129902061366696.bin' '-l' '-1' '-v' '-w' '/tmp/graph2136129902061366696.weights' '-q' '0' '-e' '0.001'
[2022-06-11 18:58:38] [INFO ] Decomposing Gal with order
[2022-06-11 18:58:38] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-06-11 18:58:39] [INFO ] Removed a total of 17839 redundant transitions.
[2022-06-11 18:58:39] [INFO ] Flatten gal took : 842 ms
[2022-06-11 18:58:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 1048 labels/synchronizations in 298 ms.
[2022-06-11 18:58:39] [INFO ] Time to serialize gal into /tmp/LTL8394053372320612996.gal : 30 ms
[2022-06-11 18:58:39] [INFO ] Time to serialize properties into /tmp/LTL8339563957128534229.ltl : 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL8394053372320612996.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL8339563957128534229.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/LTL8394053...245
Read 1 LTL properties
Checking formula 0 : !((G(X(F("(i8.i1.u18.p57<=0)")))))
Formula 0 simplified : !GXF"(i8.i1.u18.p57<=0)"
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin1174479467802311366
[2022-06-11 18:58:54] [INFO ] Built C files in 64ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1174479467802311366
Running compilation step : cd /tmp/ltsmin1174479467802311366;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/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/ltsmin1174479467802311366;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/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/ltsmin1174479467802311366;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/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:94)
at java.base/java.lang.Thread.run(Thread.java:829)
Treatment of property Szymanski-PT-b04-LTLCardinality-12 finished in 131214 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(X(X(p0))))'
Support contains 2 out of 307 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 307/307 places, 8064/8064 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 306 transition count 8064
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 305 transition count 7936
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 305 transition count 7936
Applied a total of 3 rules in 68 ms. Remains 305 /307 variables (removed 2) and now considering 7936/8064 (removed 128) transitions.
[2022-06-11 18:58:57] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2022-06-11 18:58:57] [INFO ] Computed 1 place invariants in 14 ms
[2022-06-11 18:58:58] [INFO ] Implicit Places using invariants in 457 ms returned []
[2022-06-11 18:58:58] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2022-06-11 18:58:58] [INFO ] Computed 1 place invariants in 61 ms
[2022-06-11 18:58:58] [INFO ] State equation strengthened by 147 read => feed constraints.
[2022-06-11 18:59:06] [INFO ] Implicit Places using invariants and state equation in 7785 ms returned []
Implicit Place search using SMT with State Equation took 8243 ms to find 0 implicit places.
[2022-06-11 18:59:06] [INFO ] Flow matrix only has 2732 transitions (discarded 5204 similar events)
// Phase 1: matrix 2732 rows 305 cols
[2022-06-11 18:59:06] [INFO ] Computed 1 place invariants in 19 ms
[2022-06-11 18:59:08] [INFO ] Dead Transitions using invariants and state equation in 2039 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 305/307 places, 7936/8064 transitions.
Finished structural reductions, in 1 iterations. Remains : 305/307 places, 7936/8064 transitions.
Stuttering acceptance computed with spot in 100 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Szymanski-PT-b04-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(GT s140 s101)], 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, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA Szymanski-PT-b04-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Szymanski-PT-b04-LTLCardinality-14 finished in 10481 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(X(F(p0))))'
[2022-06-11 18:59:08] [INFO ] Flatten gal took : 254 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin151658277293730523
[2022-06-11 18:59:08] [INFO ] Too many transitions (8064) to apply POR reductions. Disabling POR matrices.
[2022-06-11 18:59:09] [INFO ] Built C files in 218ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin151658277293730523
Running compilation step : cd /tmp/ltsmin151658277293730523;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2022-06-11 18:59:09] [INFO ] Applying decomposition
[2022-06-11 18:59:09] [INFO ] Flatten gal took : 309 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/graph3524764442731688145.txt' '-o' '/tmp/graph3524764442731688145.bin' '-w' '/tmp/graph3524764442731688145.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph3524764442731688145.bin' '-l' '-1' '-v' '-w' '/tmp/graph3524764442731688145.weights' '-q' '0' '-e' '0.001'
[2022-06-11 18:59:10] [INFO ] Decomposing Gal with order
[2022-06-11 18:59:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-06-11 18:59:10] [INFO ] Removed a total of 18489 redundant transitions.
[2022-06-11 18:59:11] [INFO ] Flatten gal took : 746 ms
[2022-06-11 18:59:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 1107 labels/synchronizations in 219 ms.
[2022-06-11 18:59:11] [INFO ] Time to serialize gal into /tmp/LTLCardinality9019387107262013846.gal : 24 ms
[2022-06-11 18:59:11] [INFO ] Time to serialize properties into /tmp/LTLCardinality9955515961441142579.ltl : 108 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-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLCardinality9019387107262013846.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLCardinality9955515961441142579.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/LTLCardina...267
Read 1 LTL properties
Checking formula 0 : !((G(X(F("(i6.i0.u18.p57<=0)")))))
Formula 0 simplified : !GXF"(i6.i0.u18.p57<=0)"
Compilation finished in 32712 ms.
Running link step : cd /tmp/ltsmin151658277293730523;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 87 ms.
Running LTSmin : cd /tmp/ltsmin151658277293730523;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--ltl' '[](X(<>((LTLAPp0==true))))' '--buchi-type=spotba'
LTSmin run took 18935 ms.
FORMULA Szymanski-PT-b04-LTLCardinality-12 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 280944 ms.

BK_STOP 1654974000943

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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="Szymanski-PT-b04"
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 2-4028"
echo " Executing tool itstools"
echo " Input is Szymanski-PT-b04, 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 r312-tall-165472283101043"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Szymanski-PT-b04.tgz
mv Szymanski-PT-b04 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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;