About the Execution of ITS-Tools for DES-PT-50a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 274680.00 | 0.00 | 0.00 | 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r058-smll-174854064000349.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is DES-PT-50a, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r058-smll-174854064000349
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 500K
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 97K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 97K May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DES-PT-50a-UpperBounds-00
FORMULA_NAME DES-PT-50a-UpperBounds-01
FORMULA_NAME DES-PT-50a-UpperBounds-02
FORMULA_NAME DES-PT-50a-UpperBounds-03
FORMULA_NAME DES-PT-50a-UpperBounds-04
FORMULA_NAME DES-PT-50a-UpperBounds-05
FORMULA_NAME DES-PT-50a-UpperBounds-06
FORMULA_NAME DES-PT-50a-UpperBounds-07
FORMULA_NAME DES-PT-50a-UpperBounds-08
FORMULA_NAME DES-PT-50a-UpperBounds-09
FORMULA_NAME DES-PT-50a-UpperBounds-10
FORMULA_NAME DES-PT-50a-UpperBounds-11
FORMULA_NAME DES-PT-50a-UpperBounds-12
FORMULA_NAME DES-PT-50a-UpperBounds-13
FORMULA_NAME DES-PT-50a-UpperBounds-14
FORMULA_NAME DES-PT-50a-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748741557760
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-50a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-01 01:32:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-01 01:32:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 01:32:40] [INFO ] Load time of PNML (sax parser for PT used): 225 ms
[2025-06-01 01:32:40] [INFO ] Transformed 314 places.
[2025-06-01 01:32:40] [INFO ] Transformed 271 transitions.
[2025-06-01 01:32:40] [INFO ] Found NUPN structural information;
[2025-06-01 01:32:41] [INFO ] Parsed PT model containing 314 places and 271 transitions and 1306 arcs in 550 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 17 ms.
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA DES-PT-50a-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 257 rows 314 cols
[2025-06-01 01:32:41] [INFO ] Computed 59 invariants in 57 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (221 resets) in 142 ms. (69 steps per ms)
FORMULA DES-PT-50a-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DES-PT-50a-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DES-PT-50a-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DES-PT-50a-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DES-PT-50a-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 100009 steps (455 resets) in 383 ms. (260 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-06-01 01:32:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:32:42] [INFO ] [Real]Absence check using 34 positive place invariants in 32 ms returned sat
[2025-06-01 01:32:42] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 36 ms returned sat
[2025-06-01 01:32:42] [INFO ] [Real]Absence check using state equation in 450 ms returned sat
[2025-06-01 01:32:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:32:43] [INFO ] [Nat]Absence check using 34 positive place invariants in 29 ms returned sat
[2025-06-01 01:32:43] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 38 ms returned sat
[2025-06-01 01:32:43] [INFO ] [Nat]Absence check using state equation in 654 ms returned sat
[2025-06-01 01:32:43] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-01 01:32:43] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-01 01:32:44] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 50 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:32:47] [INFO ] Deduced a trap composed of 12 places in 89 ms of which 22 ms to minimize.
[2025-06-01 01:32:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 180 ms
[2025-06-01 01:32:47] [INFO ] Added : 176 causal constraints over 36 iterations in 3327 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:32:47] [INFO ] [Real]Absence check using 34 positive place invariants in 20 ms returned sat
[2025-06-01 01:32:48] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 27 ms returned sat
[2025-06-01 01:32:48] [INFO ] [Real]Absence check using state equation in 471 ms returned sat
[2025-06-01 01:32:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:32:48] [INFO ] [Nat]Absence check using 34 positive place invariants in 24 ms returned sat
[2025-06-01 01:32:48] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 34 ms returned sat
[2025-06-01 01:32:49] [INFO ] [Nat]Absence check using state equation in 391 ms returned sat
[2025-06-01 01:32:49] [INFO ] [Nat]Added 1 Read/Feed constraints in 107 ms returned sat
[2025-06-01 01:32:49] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 45 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:32:50] [INFO ] Deduced a trap composed of 17 places in 249 ms of which 15 ms to minimize.
[2025-06-01 01:32:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 367 ms
[2025-06-01 01:32:50] [INFO ] Added : 62 causal constraints over 13 iterations in 1415 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:32:51] [INFO ] [Real]Absence check using 34 positive place invariants in 25 ms returned sat
[2025-06-01 01:32:51] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 41 ms returned sat
[2025-06-01 01:32:51] [INFO ] [Real]Absence check using state equation in 348 ms returned sat
[2025-06-01 01:32:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:32:51] [INFO ] [Nat]Absence check using 34 positive place invariants in 24 ms returned sat
[2025-06-01 01:32:52] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 43 ms returned sat
[2025-06-01 01:32:53] [INFO ] [Nat]Absence check using state equation in 1028 ms returned sat
[2025-06-01 01:32:53] [INFO ] [Nat]Added 1 Read/Feed constraints in 25 ms returned sat
[2025-06-01 01:32:53] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 42 ms.
[2025-06-01 01:32:55] [INFO ] Added : 173 causal constraints over 35 iterations in 2009 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:32:55] [INFO ] [Real]Absence check using 34 positive place invariants in 24 ms returned sat
[2025-06-01 01:32:55] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 55 ms returned sat
[2025-06-01 01:32:56] [INFO ] [Real]Absence check using state equation in 387 ms returned sat
[2025-06-01 01:32:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:32:56] [INFO ] [Nat]Absence check using 34 positive place invariants in 25 ms returned sat
[2025-06-01 01:32:56] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 47 ms returned sat
[2025-06-01 01:32:56] [INFO ] [Nat]Absence check using state equation in 366 ms returned sat
[2025-06-01 01:32:56] [INFO ] [Nat]Added 1 Read/Feed constraints in 130 ms returned sat
[2025-06-01 01:32:57] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 40 ms.
[2025-06-01 01:32:59] [INFO ] Added : 54 causal constraints over 11 iterations in 2207 ms. Result :sat
Minimization took 487 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:32:59] [INFO ] [Real]Absence check using 34 positive place invariants in 23 ms returned sat
[2025-06-01 01:32:59] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 34 ms returned sat
[2025-06-01 01:33:00] [INFO ] [Real]Absence check using state equation in 323 ms returned sat
[2025-06-01 01:33:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:33:00] [INFO ] [Nat]Absence check using 34 positive place invariants in 25 ms returned sat
[2025-06-01 01:33:00] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 55 ms returned sat
[2025-06-01 01:33:01] [INFO ] [Nat]Absence check using state equation in 658 ms returned sat
[2025-06-01 01:33:01] [INFO ] [Nat]Added 1 Read/Feed constraints in 207 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:01] [INFO ] Deduced a trap composed of 9 places in 187 ms of which 22 ms to minimize.
[2025-06-01 01:33:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 247 ms
[2025-06-01 01:33:01] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 34 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:03] [INFO ] Deduced a trap composed of 12 places in 163 ms of which 18 ms to minimize.
[2025-06-01 01:33:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 247 ms
[2025-06-01 01:33:03] [INFO ] Added : 175 causal constraints over 36 iterations in 2128 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:33:04] [INFO ] [Real]Absence check using 34 positive place invariants in 17 ms returned sat
[2025-06-01 01:33:04] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 27 ms returned sat
[2025-06-01 01:33:04] [INFO ] [Real]Absence check using state equation in 251 ms returned sat
[2025-06-01 01:33:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:33:04] [INFO ] [Nat]Absence check using 34 positive place invariants in 27 ms returned sat
[2025-06-01 01:33:04] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 48 ms returned sat
[2025-06-01 01:33:05] [INFO ] [Nat]Absence check using state equation in 529 ms returned sat
[2025-06-01 01:33:05] [INFO ] [Nat]Added 1 Read/Feed constraints in 64 ms returned sat
[2025-06-01 01:33:05] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 32 ms.
[2025-06-01 01:33:07] [INFO ] Added : 136 causal constraints over 28 iterations in 1980 ms. Result :sat
Minimization took 502 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:33:08] [INFO ] [Real]Absence check using 34 positive place invariants in 20 ms returned sat
[2025-06-01 01:33:08] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 34 ms returned sat
[2025-06-01 01:33:08] [INFO ] [Real]Absence check using state equation in 332 ms returned sat
[2025-06-01 01:33:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:33:08] [INFO ] [Nat]Absence check using 34 positive place invariants in 22 ms returned sat
[2025-06-01 01:33:08] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 33 ms returned sat
[2025-06-01 01:33:09] [INFO ] [Nat]Absence check using state equation in 356 ms returned sat
[2025-06-01 01:33:09] [INFO ] [Nat]Added 1 Read/Feed constraints in 123 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:09] [INFO ] Deduced a trap composed of 9 places in 136 ms of which 6 ms to minimize.
[2025-06-01 01:33:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 186 ms
[2025-06-01 01:33:09] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 29 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:11] [INFO ] Deduced a trap composed of 12 places in 145 ms of which 10 ms to minimize.
[2025-06-01 01:33:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 322 ms
[2025-06-01 01:33:12] [INFO ] Added : 90 causal constraints over 18 iterations in 2821 ms. Result :sat
Minimization took 318 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:33:12] [INFO ] [Real]Absence check using 34 positive place invariants in 19 ms returned sat
[2025-06-01 01:33:12] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 38 ms returned sat
[2025-06-01 01:33:12] [INFO ] [Real]Absence check using state equation in 262 ms returned sat
[2025-06-01 01:33:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:33:13] [INFO ] [Nat]Absence check using 34 positive place invariants in 18 ms returned sat
[2025-06-01 01:33:13] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 34 ms returned sat
[2025-06-01 01:33:13] [INFO ] [Nat]Absence check using state equation in 281 ms returned sat
[2025-06-01 01:33:13] [INFO ] [Nat]Added 1 Read/Feed constraints in 260 ms returned sat
[2025-06-01 01:33:13] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 25 ms.
[2025-06-01 01:33:15] [INFO ] Added : 173 causal constraints over 35 iterations in 1908 ms. Result :sat
Minimization took 536 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:33:16] [INFO ] [Real]Absence check using 34 positive place invariants in 20 ms returned sat
[2025-06-01 01:33:16] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 61 ms returned sat
[2025-06-01 01:33:16] [INFO ] [Real]Absence check using state equation in 536 ms returned sat
[2025-06-01 01:33:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:33:17] [INFO ] [Nat]Absence check using 34 positive place invariants in 17 ms returned sat
[2025-06-01 01:33:17] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 52 ms returned sat
[2025-06-01 01:33:17] [INFO ] [Nat]Absence check using state equation in 295 ms returned sat
[2025-06-01 01:33:17] [INFO ] [Nat]Added 1 Read/Feed constraints in 102 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:17] [INFO ] Deduced a trap composed of 9 places in 126 ms of which 13 ms to minimize.
[2025-06-01 01:33:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 157 ms
[2025-06-01 01:33:17] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 17 ms.
[2025-06-01 01:33:19] [INFO ] Added : 215 causal constraints over 43 iterations in 1424 ms. Result :sat
Minimization took 347 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:33:19] [INFO ] [Real]Absence check using 34 positive place invariants in 14 ms returned sat
[2025-06-01 01:33:19] [INFO ] [Real]Absence check using 34 positive and 25 generalized place invariants in 52 ms returned sat
[2025-06-01 01:33:19] [INFO ] [Real]Absence check using state equation in 222 ms returned sat
[2025-06-01 01:33:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-01 01:33:19] [INFO ] [Nat]Absence check using 34 positive place invariants in 16 ms returned sat
[2025-06-01 01:33:19] [INFO ] [Nat]Absence check using 34 positive and 25 generalized place invariants in 32 ms returned sat
[2025-06-01 01:33:20] [INFO ] [Nat]Absence check using state equation in 226 ms returned sat
[2025-06-01 01:33:20] [INFO ] [Nat]Added 1 Read/Feed constraints in 145 ms returned sat
[2025-06-01 01:33:20] [INFO ] Computed and/alt/rep : 249/750/249 causal constraints (skipped 7 transitions) in 16 ms.
[2025-06-01 01:33:22] [INFO ] Added : 82 causal constraints over 17 iterations in 2276 ms. Result :sat
Minimization took 502 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA DES-PT-50a-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA DES-PT-50a-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA DES-PT-50a-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
Support contains 7 out of 314 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 314/314 places, 257/257 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 314 transition count 255
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 313 transition count 254
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 313 transition count 254
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 10 place count 313 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 312 transition count 253
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 12 place count 311 transition count 253
Applied a total of 12 rules in 146 ms. Remains 311 /314 variables (removed 3) and now considering 253/257 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 157 ms. Remains : 311/314 places, 253/257 transitions.
// Phase 1: matrix 253 rows 311 cols
[2025-06-01 01:33:24] [INFO ] Computed 60 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (13648 resets) in 2362 ms. (423 steps per ms)
BEST_FIRST walk for 7000006 steps (15868 resets) in 7225 ms. (968 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
[2025-06-01 01:33:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 01:33:33] [INFO ] [Real]Absence check using 35 positive place invariants in 18 ms returned sat
[2025-06-01 01:33:33] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 33 ms returned sat
[2025-06-01 01:33:34] [INFO ] [Real]Absence check using state equation in 281 ms returned sat
[2025-06-01 01:33:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 01:33:34] [INFO ] [Nat]Absence check using 35 positive place invariants in 20 ms returned sat
[2025-06-01 01:33:34] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 34 ms returned sat
[2025-06-01 01:33:34] [INFO ] [Nat]Absence check using state equation in 284 ms returned sat
[2025-06-01 01:33:34] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 01:33:34] [INFO ] [Nat]Added 2 Read/Feed constraints in 20 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:34] [INFO ] Deduced a trap composed of 15 places in 309 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:35] [INFO ] Deduced a trap composed of 7 places in 289 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:35] [INFO ] Deduced a trap composed of 16 places in 236 ms of which 19 ms to minimize.
[2025-06-01 01:33:35] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 921 ms
[2025-06-01 01:33:35] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 28 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:37] [INFO ] Deduced a trap composed of 10 places in 131 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:37] [INFO ] Deduced a trap composed of 11 places in 186 ms of which 16 ms to minimize.
[2025-06-01 01:33:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 444 ms
[2025-06-01 01:33:37] [INFO ] Added : 225 causal constraints over 45 iterations in 2116 ms. Result :sat
Minimization took 376 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 01:33:38] [INFO ] [Real]Absence check using 35 positive place invariants in 20 ms returned sat
[2025-06-01 01:33:38] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 37 ms returned sat
[2025-06-01 01:33:38] [INFO ] [Real]Absence check using state equation in 278 ms returned sat
[2025-06-01 01:33:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 01:33:38] [INFO ] [Nat]Absence check using 35 positive place invariants in 18 ms returned sat
[2025-06-01 01:33:38] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 30 ms returned sat
[2025-06-01 01:33:38] [INFO ] [Nat]Absence check using state equation in 287 ms returned sat
[2025-06-01 01:33:38] [INFO ] [Nat]Added 2 Read/Feed constraints in 8 ms returned sat
[2025-06-01 01:33:39] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 28 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:41] [INFO ] Deduced a trap composed of 50 places in 127 ms of which 7 ms to minimize.
[2025-06-01 01:33:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 211 ms
[2025-06-01 01:33:41] [INFO ] Added : 226 causal constraints over 46 iterations in 2371 ms. Result :sat
Minimization took 314 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 01:33:41] [INFO ] [Real]Absence check using 35 positive place invariants in 17 ms returned sat
[2025-06-01 01:33:41] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 34 ms returned sat
[2025-06-01 01:33:42] [INFO ] [Real]Absence check using state equation in 259 ms returned sat
[2025-06-01 01:33:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 01:33:42] [INFO ] [Nat]Absence check using 35 positive place invariants in 21 ms returned sat
[2025-06-01 01:33:42] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 35 ms returned sat
[2025-06-01 01:33:42] [INFO ] [Nat]Absence check using state equation in 299 ms returned sat
[2025-06-01 01:33:42] [INFO ] [Nat]Added 2 Read/Feed constraints in 32 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:42] [INFO ] Deduced a trap composed of 15 places in 241 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:43] [INFO ] Deduced a trap composed of 7 places in 232 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:43] [INFO ] Deduced a trap composed of 16 places in 198 ms of which 21 ms to minimize.
[2025-06-01 01:33:43] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 758 ms
[2025-06-01 01:33:43] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 21 ms.
[2025-06-01 01:33:45] [INFO ] Added : 209 causal constraints over 42 iterations in 1721 ms. Result :sat
Minimization took 321 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 01:33:45] [INFO ] [Real]Absence check using 35 positive place invariants in 20 ms returned sat
[2025-06-01 01:33:45] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 34 ms returned sat
[2025-06-01 01:33:45] [INFO ] [Real]Absence check using state equation in 244 ms returned sat
[2025-06-01 01:33:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 01:33:46] [INFO ] [Nat]Absence check using 35 positive place invariants in 18 ms returned sat
[2025-06-01 01:33:46] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 34 ms returned sat
[2025-06-01 01:33:46] [INFO ] [Nat]Absence check using state equation in 266 ms returned sat
[2025-06-01 01:33:46] [INFO ] [Nat]Added 2 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:46] [INFO ] Deduced a trap composed of 11 places in 129 ms of which 10 ms to minimize.
[2025-06-01 01:33:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 172 ms
[2025-06-01 01:33:46] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 24 ms.
[2025-06-01 01:33:47] [INFO ] Added : 156 causal constraints over 32 iterations in 1343 ms. Result :sat
Minimization took 247 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 01:33:48] [INFO ] [Real]Absence check using 35 positive place invariants in 19 ms returned sat
[2025-06-01 01:33:48] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 35 ms returned sat
[2025-06-01 01:33:48] [INFO ] [Real]Absence check using state equation in 254 ms returned sat
[2025-06-01 01:33:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 01:33:48] [INFO ] [Nat]Absence check using 35 positive place invariants in 20 ms returned sat
[2025-06-01 01:33:48] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 29 ms returned sat
[2025-06-01 01:33:48] [INFO ] [Nat]Absence check using state equation in 303 ms returned sat
[2025-06-01 01:33:49] [INFO ] [Nat]Added 2 Read/Feed constraints in 15 ms returned sat
[2025-06-01 01:33:49] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 28 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:50] [INFO ] Deduced a trap composed of 11 places in 109 ms of which 10 ms to minimize.
[2025-06-01 01:33:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 187 ms
[2025-06-01 01:33:50] [INFO ] Added : 91 causal constraints over 19 iterations in 1197 ms. Result :sat
Minimization took 251 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 01:33:50] [INFO ] [Real]Absence check using 35 positive place invariants in 19 ms returned sat
[2025-06-01 01:33:50] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 33 ms returned sat
[2025-06-01 01:33:50] [INFO ] [Real]Absence check using state equation in 276 ms returned sat
[2025-06-01 01:33:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 01:33:51] [INFO ] [Nat]Absence check using 35 positive place invariants in 20 ms returned sat
[2025-06-01 01:33:51] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 35 ms returned sat
[2025-06-01 01:33:51] [INFO ] [Nat]Absence check using state equation in 292 ms returned sat
[2025-06-01 01:33:51] [INFO ] [Nat]Added 2 Read/Feed constraints in 2 ms returned sat
[2025-06-01 01:33:51] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 34 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:53] [INFO ] Deduced a trap composed of 50 places in 80 ms of which 6 ms to minimize.
[2025-06-01 01:33:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 161 ms
[2025-06-01 01:33:53] [INFO ] Added : 229 causal constraints over 47 iterations in 2328 ms. Result :sat
Minimization took 297 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 01:33:54] [INFO ] [Real]Absence check using 35 positive place invariants in 20 ms returned sat
[2025-06-01 01:33:54] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 35 ms returned sat
[2025-06-01 01:33:54] [INFO ] [Real]Absence check using state equation in 251 ms returned sat
[2025-06-01 01:33:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-01 01:33:54] [INFO ] [Nat]Absence check using 35 positive place invariants in 20 ms returned sat
[2025-06-01 01:33:54] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 33 ms returned sat
[2025-06-01 01:33:54] [INFO ] [Nat]Absence check using state equation in 293 ms returned sat
[2025-06-01 01:33:54] [INFO ] [Nat]Added 2 Read/Feed constraints in 21 ms returned sat
[2025-06-01 01:33:55] [INFO ] Computed and/alt/rep : 244/410/244 causal constraints (skipped 6 transitions) in 29 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:33:56] [INFO ] Deduced a trap composed of 15 places in 251 ms of which 20 ms to minimize.
[2025-06-01 01:33:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 341 ms
[2025-06-01 01:33:56] [INFO ] Added : 90 causal constraints over 18 iterations in 1217 ms. Result :sat
Minimization took 227 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1]
Support contains 7 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 15 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 311/311 places, 253/253 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 23 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
[2025-06-01 01:34:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:34:01] [INFO ] Implicit Places using invariants in 556 ms returned []
[2025-06-01 01:34:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:34:01] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 01:34:02] [INFO ] Implicit Places using invariants and state equation in 1041 ms returned []
Implicit Place search using SMT with State Equation took 1600 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:34:02] [INFO ] Redundant transitions in 24 ms returned []
Running 250 sub problems to find dead transitions.
[2025-06-01 01:34:02] [INFO ] Invariant cache hit.
[2025-06-01 01:34:02] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/310 variables, 8/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 253/563 variables, 310/370 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/563 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:34:16] [INFO ] Deduced a trap composed of 11 places in 166 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:34:18] [INFO ] Deduced a trap composed of 65 places in 278 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:34:20] [INFO ] Deduced a trap composed of 8 places in 111 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:34:20] [INFO ] Deduced a trap composed of 10 places in 107 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/563 variables, 4/376 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:34:24] [INFO ] Deduced a trap composed of 10 places in 209 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:34:24] [INFO ] Deduced a trap composed of 13 places in 169 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:34:25] [INFO ] Deduced a trap composed of 7 places in 208 ms of which 10 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 3/379 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 563/564 variables, and 379 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 2/310 variables, 8/67 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:34:37] [INFO ] Deduced a trap composed of 5 places in 101 ms of which 8 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/310 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 7 (OVERLAPS) 253/563 variables, 310/378 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 2/380 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/563 variables, 250/630 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 563/564 variables, and 630 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60482ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 60505ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62197 ms. Remains : 311/311 places, 253/253 transitions.
RANDOM walk for 40000 steps (536 resets) in 2414 ms. (16 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (86 resets) in 455 ms. (87 steps per ms) remains 14/14 properties
[2025-06-01 01:35:03] [INFO ] Flatten gal took : 207 ms
BEST_FIRST walk for 40004 steps (89 resets) in 335 ms. (119 steps per ms) remains 14/14 properties
[2025-06-01 01:35:03] [INFO ] Flatten gal took : 119 ms
BEST_FIRST walk for 40003 steps (92 resets) in 242 ms. (164 steps per ms) remains 14/14 properties
[2025-06-01 01:35:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4827798715609235282.gal : 23 ms
[2025-06-01 01:35:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13407337557335568128.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4827798715609235282.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13407337557335568128.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality13407337557335568128.prop.
BEST_FIRST walk for 40004 steps (84 resets) in 267 ms. (149 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (83 resets) in 184 ms. (216 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :4 after 10
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :10 after 18
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :18 after 22
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :22 after 576
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :576 after 630
BEST_FIRST walk for 40004 steps (93 resets) in 218 ms. (182 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :630 after 1440
BEST_FIRST walk for 40003 steps (86 resets) in 174 ms. (228 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (96 resets) in 199 ms. (200 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (93 resets) in 187 ms. (212 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 1024
SDD size :1440 after 11292
BEST_FIRST walk for 40004 steps (88 resets) in 163 ms. (243 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (80 resets) in 196 ms. (203 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (86 resets) in 195 ms. (204 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (90 resets) in 219 ms. (181 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (89 resets) in 141 ms. (281 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 2048
SDD size :11292 after 69964
SDD proceeding with computation,14 properties remain. new max is 4096
SDD size :69964 after 93680
SDD proceeding with computation,14 properties remain. new max is 8192
SDD size :364744 after 412888
Interrupted probabilistic random walk after 541530 steps, run timeout after 3001 ms. (steps per millisecond=180 ) properties seen :0 out of 14
Probabilistic random walk after 541530 steps, saw 77701 distinct states, run finished after 3007 ms. (steps per millisecond=180 ) properties seen :0
[2025-06-01 01:35:07] [INFO ] Invariant cache hit.
[2025-06-01 01:35:07] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,14 properties remain. new max is 16384
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD size :412888 after 6.77365e+08
At refinement iteration 1 (OVERLAPS) 180/187 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/187 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 33/220 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/220 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 25/245 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/245 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 7/252 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/252 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (OVERLAPS) 204/456 variables, 252/307 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/456 variables, 2/309 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/456 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 12 (OVERLAPS) 63/519 variables, 14/323 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/519 variables, 4/327 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/519 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 15 (OVERLAPS) 1/520 variables, 1/328 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/520 variables, 1/329 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD proceeding with computation,14 properties remain. new max is 32768
SDD size :7.06975e+08 after 7.0795e+08
At refinement iteration 17 (INCLUDED_ONLY) 0/520 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 18 (OVERLAPS) 44/564 variables, 44/373 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:35:11] [INFO ] Deduced a trap composed of 5 places in 185 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:35:11] [INFO ] Deduced a trap composed of 9 places in 184 ms of which 12 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/564 variables, 2/375 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 564/564 variables, and 375 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5014 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 180/187 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/187 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 33/220 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/220 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 25/245 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/245 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/245 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (OVERLAPS) 7/252 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/252 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 10 (OVERLAPS) 204/456 variables, 252/308 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/456 variables, 2/310 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/456 variables, 10/320 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/456 variables, 0/320 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 14 (OVERLAPS) 63/519 variables, 14/334 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/519 variables, 4/338 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/519 variables, 4/342 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/519 variables, 1/343 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:35:16] [INFO ] Deduced a trap composed of 10 places in 80 ms of which 8 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/519 variables, 1/344 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:35:17] [INFO ] Deduced a trap composed of 7 places in 91 ms of which 4 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 519/564 variables, and 345 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5008 ms.
Refiners :[Positive P Invariants (semi-flows): 34/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 266/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10033ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 7 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 26 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 311/311 places, 253/253 transitions.
RANDOM walk for 40000 steps (548 resets) in 622 ms. (64 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (93 resets) in 168 ms. (236 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 65536
BEST_FIRST walk for 40003 steps (91 resets) in 212 ms. (187 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (81 resets) in 177 ms. (224 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (88 resets) in 182 ms. (218 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (77 resets) in 166 ms. (239 steps per ms) remains 14/14 properties
SDD size :7.29588e+08 after 7.96643e+09
BEST_FIRST walk for 40003 steps (92 resets) in 222 ms. (179 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40001 steps (94 resets) in 187 ms. (212 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (86 resets) in 178 ms. (223 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (83 resets) in 115 ms. (344 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40001 steps (89 resets) in 143 ms. (277 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (102 resets) in 164 ms. (242 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (100 resets) in 106 ms. (373 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (90 resets) in 131 ms. (303 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (83 resets) in 119 ms. (333 steps per ms) remains 14/14 properties
Interrupted probabilistic random walk after 453004 steps, run timeout after 3001 ms. (steps per millisecond=150 ) properties seen :0 out of 14
Probabilistic random walk after 453004 steps, saw 65710 distinct states, run finished after 3001 ms. (steps per millisecond=150 ) properties seen :0
[2025-06-01 01:35:21] [INFO ] Invariant cache hit.
[2025-06-01 01:35:21] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 180/187 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/187 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 33/220 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/220 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 25/245 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/245 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 7/252 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/252 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (OVERLAPS) 204/456 variables, 252/307 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/456 variables, 2/309 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/456 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 12 (OVERLAPS) 63/519 variables, 14/323 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/519 variables, 4/327 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/519 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 15 (OVERLAPS) 1/520 variables, 1/328 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/520 variables, 1/329 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/520 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 18 (OVERLAPS) 44/564 variables, 44/373 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:35:25] [INFO ] Deduced a trap composed of 5 places in 151 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:35:25] [INFO ] Deduced a trap composed of 9 places in 153 ms of which 10 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/564 variables, 2/375 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:35:26] [INFO ] Deduced a trap composed of 11 places in 186 ms of which 17 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/564 variables, 1/376 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:35:27] [INFO ] Deduced a trap composed of 6 places in 92 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:35:27] [INFO ] Deduced a trap composed of 7 places in 164 ms of which 8 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/564 variables, 2/378 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/564 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 23 (OVERLAPS) 0/564 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 378 constraints, problems are : Problem set: 0 solved, 14 unsolved in 8267 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 180/187 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/187 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 33/220 variables, 23/31 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/220 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/220 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 25/245 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/245 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/245 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (OVERLAPS) 7/252 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/252 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 11 (OVERLAPS) 204/456 variables, 252/310 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/456 variables, 2/312 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/456 variables, 10/322 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD proceeding with computation,14 properties remain. new max is 131072
At refinement iteration 14 (INCLUDED_ONLY) 0/456 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD size :8.45539e+09 after 3.36009e+10
At refinement iteration 15 (OVERLAPS) 63/519 variables, 14/336 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/519 variables, 4/340 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/519 variables, 4/344 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/519 variables, 2/346 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:35:32] [INFO ] Deduced a trap composed of 8 places in 143 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:35:33] [INFO ] Deduced a trap composed of 10 places in 137 ms of which 9 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/519 variables, 2/348 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/519 variables, 0/348 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 21 (OVERLAPS) 1/520 variables, 1/349 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/520 variables, 1/350 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/520 variables, 0/350 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 24 (OVERLAPS) 44/564 variables, 44/394 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:35:37] [INFO ] Deduced a trap composed of 15 places in 132 ms of which 17 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/564 variables, 1/395 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/564 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 27 (OVERLAPS) 0/564 variables, 0/395 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 395 constraints, problems are : Problem set: 0 solved, 14 unsolved in 11568 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19858ms problems are : Problem set: 0 solved, 14 unsolved
Fused 14 Parikh solutions to 7 different solutions.
Detected timeout of ITS tools.
[2025-06-01 01:35:54] [INFO ] Flatten gal took : 47 ms
[2025-06-01 01:35:54] [INFO ] Applying decomposition
[2025-06-01 01:35:54] [INFO ] Flatten gal took : 69 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph9157961330768901840.txt' '-o' '/tmp/graph9157961330768901840.bin' '-w' '/tmp/graph9157961330768901840.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9157961330768901840.bin' '-l' '-1' '-v' '-w' '/tmp/graph9157961330768901840.weights' '-q' '0' '-e' '0.001'
[2025-06-01 01:35:54] [INFO ] Decomposing Gal with order
[2025-06-01 01:35:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-01 01:35:54] [INFO ] Removed a total of 23 redundant transitions.
[2025-06-01 01:35:54] [INFO ] Flatten gal took : 134 ms
[2025-06-01 01:35:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 12 ms.
[2025-06-01 01:35:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16229604219842355484.gal : 13 ms
[2025-06-01 01:35:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12156317902333889679.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16229604219842355484.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12156317902333889679.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality12156317902333889679.prop.
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :4 after 28
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :28 after 52
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :52 after 2640
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :8206 after 1.15917e+08
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :1.15917e+08 after 2.62456e+08
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :2.62456e+08 after 4.57839e+08
Invariant property MIN6 does not hold.
Reachability property MAX6 is true.
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :4.57839e+08 after 7.75339e+08
Invariant property MIN4 does not hold.
Reachability property MAX4 is true.
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :7.75339e+08 after 1.09284e+09
Parikh walk visited 0 properties in 29316 ms.
Support contains 5 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 18 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 311/311 places, 253/253 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 13 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
[2025-06-01 01:36:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :6.98946e+12 after 7.19603e+12
[2025-06-01 01:36:11] [INFO ] Implicit Places using invariants in 389 ms returned []
[2025-06-01 01:36:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 01:36:11] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-01 01:36:12] [INFO ] Implicit Places using invariants and state equation in 1080 ms returned []
Implicit Place search using SMT with State Equation took 1471 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 01:36:12] [INFO ] Redundant transitions in 10 ms returned []
Running 250 sub problems to find dead transitions.
[2025-06-01 01:36:12] [INFO ] Invariant cache hit.
[2025-06-01 01:36:12] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Invariant property MIN3 does not hold.
Reachability property MAX3 is true.
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :1.41519e+13 after 1.43625e+13
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/310 variables, 8/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 253/563 variables, 310/370 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/563 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:36:24] [INFO ] Deduced a trap composed of 11 places in 90 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:36:25] [INFO ] Deduced a trap composed of 65 places in 246 ms of which 32 ms to minimize.
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :2.01205e+13 after 2.02515e+13
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:36:27] [INFO ] Deduced a trap composed of 8 places in 73 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:36:27] [INFO ] Deduced a trap composed of 10 places in 67 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/563 variables, 4/376 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:36:31] [INFO ] Deduced a trap composed of 10 places in 212 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:36:31] [INFO ] Deduced a trap composed of 13 places in 147 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:36:32] [INFO ] Deduced a trap composed of 7 places in 102 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 3/379 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/563 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 10 (OVERLAPS) 1/564 variables, 1/380 constraints. Problems are: Problem set: 0 solved, 250 unsolved
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\_mod\_flat,2.83192e+13,46.7373,617160,24976,9195,1.31435e+06,26127,260,1.80621e+06,466,194597,0
Total reachable state count : 28319158339780
Verifying 14 reachability properties.
Reachability property MAX0 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
MAX0,9.47779e+09,46.9478,616548,1500,884,1.31435e+06,26127,260,1.80621e+06,468,194597,0
Invariant property MIN0 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,9.47779e+09,46.969,616548,1500,884,1.31435e+06,26127,262,1.80621e+06,469,194597,0
Reachability property MAX1 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
MAX1,392,46.9805,616548,56,329,1.31435e+06,26127,262,1.80621e+06,470,194597,0
Invariant property MIN1 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN1,392,46.9933,616548,56,329,1.31435e+06,26127,264,1.80621e+06,471,194597,0
Reachability property MAX2 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
MAX2,1.01733e+07,46.9972,616548,793,805,1.31435e+06,26127,264,1.80621e+06,472,194597,0
Invariant property MIN2 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN2,1.01733e+07,47.0004,616548,793,805,1.31435e+06,26127,266,1.80621e+06,473,194597,0
Reachability property MAX3 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
MAX3,2.7053e+09,47.0027,616548,942,604,1.31435e+06,26127,268,1.80621e+06,475,194597,0
Invariant property MIN3 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN3,2.7053e+09,47.005,616548,942,604,1.31435e+06,26127,272,1.80621e+06,477,194597,0
Reachability property MAX4 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
MAX4,256,47.0057,616548,50,150,1.31435e+06,26127,274,1.80621e+06,479,194597,0
Invariant property MIN4 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN4,256,47.0065,616548,50,150,1.31435e+06,26127,278,1.80621e+06,481,194597,0
Reachability property MAX5 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
MAX5,784,47.0185,616548,57,308,1.31435e+06,26127,278,1.80621e+06,482,194597,0
Invariant property MIN5 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN5,784,47.0313,616548,57,308,1.31435e+06,26127,280,1.80621e+06,483,194597,0
Reachability property MAX6 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
MAX6,256,47.0322,616548,50,147,1.31435e+06,26127,282,1.80621e+06,485,194597,0
Invariant property MIN6 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN6,256,47.0328,616548,50,147,1.31435e+06,26127,286,1.80621e+06,487,194597,0
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 564/564 variables, and 380 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 2/310 variables, 8/67 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 01:36:47] [INFO ] Deduced a trap composed of 5 places in 95 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/310 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 7 (OVERLAPS) 253/563 variables, 310/378 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 2/380 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/563 variables, 250/630 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 563/564 variables, and 630 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 310/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60203ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 60205ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61709 ms. Remains : 311/311 places, 253/253 transitions.
FORMULA DES-PT-50a-UpperBounds-14 1 TECHNIQUES REACHABILITY_MAX
FORMULA DES-PT-50a-UpperBounds-13 1 TECHNIQUES REACHABILITY_MAX
FORMULA DES-PT-50a-UpperBounds-11 1 TECHNIQUES REACHABILITY_MAX
FORMULA DES-PT-50a-UpperBounds-08 1 TECHNIQUES REACHABILITY_MAX
FORMULA DES-PT-50a-UpperBounds-06 1 TECHNIQUES REACHABILITY_MAX
FORMULA DES-PT-50a-UpperBounds-04 1 TECHNIQUES REACHABILITY_MAX
FORMULA DES-PT-50a-UpperBounds-01 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 7 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 271997 ms.
BK_STOP 1748741832440
--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -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="DES-PT-50a"
export BK_EXAMINATION="UpperBounds"
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 2-5832"
echo " Executing tool itstools"
echo " Input is DES-PT-50a, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r058-smll-174854064000349"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-50a.tgz
mv DES-PT-50a execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;