Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r191-oct2-177969025600029.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
......................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is MedleyA-PT-17, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r191-oct2-177969025600029
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 616K
-rw-r--r-- 1 mcc users 6.9K Mar 7 18:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 7 18:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 7 18:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Mar 7 18:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 11:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 11:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 11:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 11:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 18:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Mar 7 18:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Mar 7 18:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K Mar 7 18:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 11:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 11:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 175K Mar 3 18:30 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 MedleyA-PT-17-UpperBounds-00
FORMULA_NAME MedleyA-PT-17-UpperBounds-01
FORMULA_NAME MedleyA-PT-17-UpperBounds-02
FORMULA_NAME MedleyA-PT-17-UpperBounds-03
FORMULA_NAME MedleyA-PT-17-UpperBounds-04
FORMULA_NAME MedleyA-PT-17-UpperBounds-05
FORMULA_NAME MedleyA-PT-17-UpperBounds-06
FORMULA_NAME MedleyA-PT-17-UpperBounds-07
FORMULA_NAME MedleyA-PT-17-UpperBounds-08
FORMULA_NAME MedleyA-PT-17-UpperBounds-09
FORMULA_NAME MedleyA-PT-17-UpperBounds-10
FORMULA_NAME MedleyA-PT-17-UpperBounds-11
FORMULA_NAME MedleyA-PT-17-UpperBounds-12
FORMULA_NAME MedleyA-PT-17-UpperBounds-13
FORMULA_NAME MedleyA-PT-17-UpperBounds-14
FORMULA_NAME MedleyA-PT-17-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779942881203

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MedleyA-PT-17
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-28 04:34:43] [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]
[2026-05-28 04:34:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-28 04:34:43] [INFO ] Load time of PNML (sax parser for PT used): 87 ms
[2026-05-28 04:34:43] [INFO ] Transformed 248 places.
[2026-05-28 04:34:43] [INFO ] Transformed 591 transitions.
[2026-05-28 04:34:43] [INFO ] Found NUPN structural information;
[2026-05-28 04:34:43] [INFO ] Parsed PT model containing 248 places and 591 transitions and 2764 arcs in 238 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Ensure Unique test removed 2 transitions
Reduce redundant transitions removed 2 transitions.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 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, 1]
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, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 589 rows 248 cols
[2026-05-28 04:34:43] [INFO ] Computed 7 invariants in 37 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, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (344 resets) in 56 ms. (175 steps per ms)
FORMULA MedleyA-PT-17-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-17-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-17-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-17-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-17-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 110008 steps (816 resets) in 92 ms. (1182 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2026-05-28 04:34:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:34:44] [INFO ] [Real]Absence check using 7 positive place invariants in 38 ms returned sat
[2026-05-28 04:34:45] [INFO ] [Real]Absence check using state equation in 1298 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:45] [INFO ] Deduced a trap composed of 26 places in 195 ms of which 19 ms to minimize.
[2026-05-28 04:34:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:34:45] [INFO ] [Nat]Absence check using 7 positive place invariants in 32 ms returned sat
[2026-05-28 04:34:46] [INFO ] [Nat]Absence check using state equation in 255 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:46] [INFO ] Deduced a trap composed of 26 places in 151 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:46] [INFO ] Deduced a trap composed of 27 places in 128 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:46] [INFO ] Deduced a trap composed of 27 places in 167 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:46] [INFO ] Deduced a trap composed of 29 places in 243 ms of which 16 ms to minimize.
[2026-05-28 04:34:46] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 928 ms
[2026-05-28 04:34:47] [INFO ] Computed and/alt/rep : 385/1143/385 causal constraints (skipped 203 transitions) in 44 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:48] [INFO ] Deduced a trap composed of 21 places in 218 ms of which 13 ms to minimize.
[2026-05-28 04:34:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 304 ms
[2026-05-28 04:34:48] [INFO ] Added : 125 causal constraints over 25 iterations in 1766 ms. Result :sat
Minimization took 208 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:34:49] [INFO ] [Real]Absence check using 7 positive place invariants in 6 ms returned sat
[2026-05-28 04:34:49] [INFO ] [Real]Absence check using state equation in 169 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:49] [INFO ] Deduced a trap composed of 28 places in 181 ms of which 15 ms to minimize.
[2026-05-28 04:34:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:34:49] [INFO ] [Nat]Absence check using 7 positive place invariants in 8 ms returned sat
[2026-05-28 04:34:50] [INFO ] [Nat]Absence check using state equation in 587 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:50] [INFO ] Deduced a trap composed of 28 places in 179 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:52] [INFO ] Deduced a trap composed of 19 places in 1624 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:52] [INFO ] Deduced a trap composed of 27 places in 230 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:52] [INFO ] Deduced a trap composed of 28 places in 239 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:53] [INFO ] Deduced a trap composed of 26 places in 207 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:53] [INFO ] Deduced a trap composed of 19 places in 183 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:53] [INFO ] Deduced a trap composed of 27 places in 223 ms of which 12 ms to minimize.
[2026-05-28 04:34:53] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 3276 ms
[2026-05-28 04:34:53] [INFO ] Computed and/alt/rep : 385/1143/385 causal constraints (skipped 203 transitions) in 45 ms.
Maximisation of solution failed !
Minimization took 2 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:34:54] [INFO ] [Real]Absence check using 7 positive place invariants in 6 ms returned sat
[2026-05-28 04:34:54] [INFO ] [Real]Absence check using state equation in 152 ms returned sat
[2026-05-28 04:34:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:34:54] [INFO ] [Nat]Absence check using 7 positive place invariants in 8 ms returned sat
[2026-05-28 04:34:55] [INFO ] [Nat]Absence check using state equation in 158 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:55] [INFO ] Deduced a trap composed of 26 places in 229 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:55] [INFO ] Deduced a trap composed of 19 places in 333 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:56] [INFO ] Deduced a trap composed of 21 places in 267 ms of which 14 ms to minimize.
[2026-05-28 04:34:56] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 957 ms
[2026-05-28 04:34:56] [INFO ] Computed and/alt/rep : 385/1143/385 causal constraints (skipped 203 transitions) in 67 ms.
[2026-05-28 04:34:57] [INFO ] Added : 143 causal constraints over 29 iterations in 1742 ms. Result :sat
Minimization took 195 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:34:58] [INFO ] [Real]Absence check using 7 positive place invariants in 7 ms returned sat
[2026-05-28 04:34:58] [INFO ] [Real]Absence check using state equation in 191 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:58] [INFO ] Deduced a trap composed of 26 places in 241 ms of which 28 ms to minimize.
[2026-05-28 04:34:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:34:58] [INFO ] [Nat]Absence check using 7 positive place invariants in 6 ms returned sat
[2026-05-28 04:34:58] [INFO ] [Nat]Absence check using state equation in 183 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:59] [INFO ] Deduced a trap composed of 26 places in 178 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:59] [INFO ] Deduced a trap composed of 27 places in 256 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:34:59] [INFO ] Deduced a trap composed of 27 places in 239 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:00] [INFO ] Deduced a trap composed of 21 places in 274 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:00] [INFO ] Deduced a trap composed of 43 places in 343 ms of which 35 ms to minimize.
[2026-05-28 04:35:00] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1457 ms
[2026-05-28 04:35:00] [INFO ] Computed and/alt/rep : 385/1143/385 causal constraints (skipped 203 transitions) in 51 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:01] [INFO ] Deduced a trap composed of 21 places in 231 ms of which 16 ms to minimize.
[2026-05-28 04:35:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 302 ms
[2026-05-28 04:35:02] [INFO ] Added : 150 causal constraints over 30 iterations in 1638 ms. Result :sat
Minimization took 284 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:02] [INFO ] [Real]Absence check using 7 positive place invariants in 6 ms returned sat
[2026-05-28 04:35:02] [INFO ] [Real]Absence check using state equation in 206 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:02] [INFO ] Deduced a trap composed of 26 places in 257 ms of which 18 ms to minimize.
[2026-05-28 04:35:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:03] [INFO ] [Nat]Absence check using 7 positive place invariants in 7 ms returned sat
[2026-05-28 04:35:03] [INFO ] [Nat]Absence check using state equation in 145 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:03] [INFO ] Deduced a trap composed of 26 places in 329 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:03] [INFO ] Deduced a trap composed of 28 places in 208 ms of which 16 ms to minimize.
[2026-05-28 04:35:03] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 606 ms
[2026-05-28 04:35:03] [INFO ] Computed and/alt/rep : 385/1143/385 causal constraints (skipped 203 transitions) in 60 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:05] [INFO ] Deduced a trap composed of 19 places in 184 ms of which 13 ms to minimize.
[2026-05-28 04:35:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 255 ms
[2026-05-28 04:35:05] [INFO ] Added : 137 causal constraints over 28 iterations in 1934 ms. Result :sat
Minimization took 228 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:06] [INFO ] [Real]Absence check using 7 positive place invariants in 6 ms returned sat
[2026-05-28 04:35:06] [INFO ] [Real]Absence check using state equation in 181 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:06] [INFO ] Deduced a trap composed of 26 places in 285 ms of which 18 ms to minimize.
[2026-05-28 04:35:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:06] [INFO ] [Nat]Absence check using 7 positive place invariants in 16 ms returned sat
[2026-05-28 04:35:06] [INFO ] [Nat]Absence check using state equation in 147 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:08] [INFO ] Deduced a trap composed of 26 places in 1661 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:08] [INFO ] Deduced a trap composed of 27 places in 200 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:09] [INFO ] Deduced a trap composed of 27 places in 254 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:10] [INFO ] Deduced a trap composed of 21 places in 1490 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:10] [INFO ] Deduced a trap composed of 21 places in 248 ms of which 29 ms to minimize.
[2026-05-28 04:35:10] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 4036 ms
[2026-05-28 04:35:11] [INFO ] Computed and/alt/rep : 385/1143/385 causal constraints (skipped 203 transitions) in 72 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:11] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2026-05-28 04:35:11] [INFO ] [Real]Absence check using state equation in 192 ms returned sat
[2026-05-28 04:35:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:12] [INFO ] [Nat]Absence check using 7 positive place invariants in 6 ms returned sat
[2026-05-28 04:35:12] [INFO ] [Nat]Absence check using state equation in 235 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:13] [INFO ] Deduced a trap composed of 26 places in 911 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:13] [INFO ] Deduced a trap composed of 27 places in 230 ms of which 15 ms to minimize.
[2026-05-28 04:35:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1263 ms
[2026-05-28 04:35:13] [INFO ] Computed and/alt/rep : 385/1143/385 causal constraints (skipped 203 transitions) in 44 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:15] [INFO ] Deduced a trap composed of 26 places in 266 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:15] [INFO ] Deduced a trap composed of 47 places in 159 ms of which 13 ms to minimize.
[2026-05-28 04:35:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 614 ms
[2026-05-28 04:35:15] [INFO ] Added : 149 causal constraints over 31 iterations in 2056 ms. Result :sat
Minimization took 270 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:16] [INFO ] [Real]Absence check using 7 positive place invariants in 6 ms returned sat
[2026-05-28 04:35:16] [INFO ] [Real]Absence check using state equation in 140 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:16] [INFO ] Deduced a trap composed of 19 places in 189 ms of which 16 ms to minimize.
[2026-05-28 04:35:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:16] [INFO ] [Nat]Absence check using 7 positive place invariants in 24 ms returned sat
[2026-05-28 04:35:17] [INFO ] [Nat]Absence check using state equation in 1029 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:17] [INFO ] Deduced a trap composed of 26 places in 277 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:18] [INFO ] Deduced a trap composed of 19 places in 150 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:18] [INFO ] Deduced a trap composed of 19 places in 162 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:18] [INFO ] Deduced a trap composed of 29 places in 250 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:18] [INFO ] Deduced a trap composed of 47 places in 197 ms of which 37 ms to minimize.
[2026-05-28 04:35:18] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1143 ms
[2026-05-28 04:35:18] [INFO ] Computed and/alt/rep : 385/1143/385 causal constraints (skipped 203 transitions) in 45 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:21] [INFO ] Deduced a trap composed of 27 places in 173 ms of which 28 ms to minimize.
[2026-05-28 04:35:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 256 ms
[2026-05-28 04:35:21] [INFO ] Added : 200 causal constraints over 40 iterations in 2448 ms. Result :sat
Minimization took 258 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:21] [INFO ] [Real]Absence check using 7 positive place invariants in 8 ms returned sat
[2026-05-28 04:35:21] [INFO ] [Real]Absence check using state equation in 255 ms returned sat
[2026-05-28 04:35:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:22] [INFO ] [Nat]Absence check using 7 positive place invariants in 9 ms returned sat
[2026-05-28 04:35:22] [INFO ] [Nat]Absence check using state equation in 171 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:22] [INFO ] Deduced a trap composed of 26 places in 252 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:22] [INFO ] Deduced a trap composed of 19 places in 236 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:22] [INFO ] Deduced a trap composed of 21 places in 272 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:23] [INFO ] Deduced a trap composed of 43 places in 178 ms of which 17 ms to minimize.
[2026-05-28 04:35:23] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 1026 ms
[2026-05-28 04:35:23] [INFO ] Computed and/alt/rep : 385/1143/385 causal constraints (skipped 203 transitions) in 61 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:24] [INFO ] Deduced a trap composed of 19 places in 251 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:25] [INFO ] Deduced a trap composed of 45 places in 157 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:25] [INFO ] Deduced a trap composed of 51 places in 206 ms of which 11 ms to minimize.
[2026-05-28 04:35:25] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 879 ms
[2026-05-28 04:35:25] [INFO ] Added : 157 causal constraints over 32 iterations in 2468 ms. Result :sat
Minimization took 249 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:26] [INFO ] [Real]Absence check using 7 positive place invariants in 6 ms returned sat
[2026-05-28 04:35:26] [INFO ] [Real]Absence check using state equation in 185 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:26] [INFO ] Deduced a trap composed of 26 places in 304 ms of which 31 ms to minimize.
[2026-05-28 04:35:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:26] [INFO ] [Nat]Absence check using 7 positive place invariants in 6 ms returned sat
[2026-05-28 04:35:26] [INFO ] [Nat]Absence check using state equation in 169 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:27] [INFO ] Deduced a trap composed of 26 places in 287 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:27] [INFO ] Deduced a trap composed of 21 places in 266 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:27] [INFO ] Deduced a trap composed of 43 places in 269 ms of which 21 ms to minimize.
[2026-05-28 04:35:27] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 941 ms
[2026-05-28 04:35:27] [INFO ] Computed and/alt/rep : 385/1143/385 causal constraints (skipped 203 transitions) in 27 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:29] [INFO ] Deduced a trap composed of 21 places in 182 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:29] [INFO ] Deduced a trap composed of 45 places in 237 ms of which 20 ms to minimize.
[2026-05-28 04:35:29] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 510 ms
[2026-05-28 04:35:29] [INFO ] Added : 123 causal constraints over 25 iterations in 1962 ms. Result :sat
Minimization took 208 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:30] [INFO ] [Real]Absence check using 7 positive place invariants in 16 ms returned sat
[2026-05-28 04:35:30] [INFO ] [Real]Absence check using state equation in 150 ms returned sat
[2026-05-28 04:35:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-28 04:35:30] [INFO ] [Nat]Absence check using 7 positive place invariants in 6 ms returned sat
[2026-05-28 04:35:30] [INFO ] [Nat]Absence check using state equation in 188 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:30] [INFO ] Deduced a trap composed of 28 places in 139 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:30] [INFO ] Deduced a trap composed of 19 places in 124 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-28 04:35:31] [INFO ] Deduced a trap composed of 21 places in 196 ms of which 20 ms to minimize.
[2026-05-28 04:35:31] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 522 ms
[2026-05-28 04:35:31] [INFO ] Computed and/alt/rep : 385/1143/385 causal constraints (skipped 203 transitions) in 71 ms.
[2026-05-28 04:35:32] [INFO ] Added : 140 causal constraints over 28 iterations in 1447 ms. Result :sat
Minimization took 200 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 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, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Support contains 11 out of 248 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 248/248 places, 589/589 transitions.
Graph (trivial) has 244 edges and 248 vertex of which 6 / 248 are part of one of the 2 SCC in 3 ms
Free SCC test removed 4 places
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 29 transitions
Trivial Post-agglo rules discarded 29 transitions
Performed 29 trivial Post agglomeration. Transition count delta: 29
Iterating post reduction 0 with 29 rules applied. Total rules applied 30 place count 244 transition count 554
Reduce places removed 29 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 33 rules applied. Total rules applied 63 place count 215 transition count 550
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 65 place count 213 transition count 550
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 15 Pre rules applied. Total rules applied 65 place count 213 transition count 535
Deduced a syphon composed of 15 places in 2 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 95 place count 198 transition count 535
Discarding 49 places :
Symmetric choice reduction at 3 with 49 rule applications. Total rules 144 place count 149 transition count 450
Iterating global reduction 3 with 49 rules applied. Total rules applied 193 place count 149 transition count 450
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Iterating post reduction 3 with 32 rules applied. Total rules applied 225 place count 149 transition count 418
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 6 Pre rules applied. Total rules applied 225 place count 149 transition count 412
Deduced a syphon composed of 6 places in 2 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 4 with 12 rules applied. Total rules applied 237 place count 143 transition count 412
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 241 place count 139 transition count 380
Iterating global reduction 4 with 4 rules applied. Total rules applied 245 place count 139 transition count 380
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 1 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 4 with 26 rules applied. Total rules applied 271 place count 126 transition count 367
Performed 13 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 13 places in 1 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 4 with 26 rules applied. Total rules applied 297 place count 113 transition count 430
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 298 place count 113 transition count 429
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 5 with 14 rules applied. Total rules applied 312 place count 113 transition count 415
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 5 with 8 rules applied. Total rules applied 320 place count 109 transition count 411
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 5 with 4 rules applied. Total rules applied 324 place count 107 transition count 420
Free-agglomeration rule applied 33 times.
Iterating global reduction 5 with 33 rules applied. Total rules applied 357 place count 107 transition count 387
Reduce places removed 33 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 5 with 51 rules applied. Total rules applied 408 place count 74 transition count 369
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 6 with 11 rules applied. Total rules applied 419 place count 74 transition count 358
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 6 with 2 rules applied. Total rules applied 421 place count 74 transition count 374
Reduce places removed 2 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 426 place count 72 transition count 371
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 427 place count 72 transition count 371
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 428 place count 71 transition count 370
Applied a total of 428 rules in 216 ms. Remains 71 /248 variables (removed 177) and now considering 370/589 (removed 219) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 227 ms. Remains : 71/248 places, 370/589 transitions.
[2026-05-28 04:35:33] [INFO ] Flow matrix only has 306 transitions (discarded 64 similar events)
// Phase 1: matrix 306 rows 71 cols
[2026-05-28 04:35:33] [INFO ] Computed 7 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 1000000 steps (91382 resets) in 2382 ms. (419 steps per ms)
FORMULA MedleyA-PT-17-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-17-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-17-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-17-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-17-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-17-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-17-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-17-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-17-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-17-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-17-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (490 resets) in 959 ms. (1041 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-05-28 04:35:37] [INFO ] Flatten gal took : 176 ms
[2026-05-28 04:35:37] [INFO ] Flatten gal took : 38 ms
[2026-05-28 04:35:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15035632342909745940.gal : 24 ms
[2026-05-28 04:35:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8059879641974758068.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/ReachabilityCardinality15035632342909745940.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8059879641974758068.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
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
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 54506 ms.

BK_STOP 1779942937728

--------------------
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
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ 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="MedleyA-PT-17"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
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 2-5973"
echo " Executing tool gold2025"
echo " Input is MedleyA-PT-17, 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 r191-oct2-177969025600029"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MedleyA-PT-17.tgz
mv MedleyA-PT-17 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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;