About the Execution of 2025-gold for DNAwalker-PT-16redondantChoiceR
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 2069.771 | 500976.00 | 652519.00 | 1244.50 | 2 2 2 2 2 2 2 1 2 2 2 2 1 2 2 2 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r111-tall-177955700900105.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool gold2025
Input is DNAwalker-PT-16redondantChoiceR, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r111-tall-177955700900105
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 676K
-rw-r--r-- 1 mcc users 6.8K Mar 6 15:59 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 6 15:59 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 15:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 6 15:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 09:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 15:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Mar 6 15:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Mar 6 15:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Mar 6 15:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 19 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 211K 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 DNAwalker-PT-16redondantChoiceR-UpperBounds-00
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-01
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-02
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-03
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-04
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-05
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-06
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-07
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-08
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-09
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-10
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-11
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-12
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-13
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-14
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779628480712
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-16redondantChoiceR
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-24 13:14:42] [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]
[2026-05-24 13:14:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:14:42] [INFO ] Load time of PNML (sax parser for PT used): 85 ms
[2026-05-24 13:14:42] [INFO ] Transformed 43 places.
[2026-05-24 13:14:42] [INFO ] Transformed 490 transitions.
[2026-05-24 13:14:42] [INFO ] Parsed PT model containing 43 places and 490 transitions and 1438 arcs in 177 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-24 13:14:42] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
// Phase 1: matrix 489 rows 43 cols
[2026-05-24 13:14:42] [INFO ] Computed 0 invariants in 19 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 10000 steps (377 resets) in 83 ms. (119 steps per ms)
BEST_FIRST walk for 160016 steps (431 resets) in 208 ms. (765 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-24 13:14:42] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2026-05-24 13:14:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:42] [INFO ] [Real]Absence check using state equation in 133 ms returned sat
[2026-05-24 13:14:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:44] [INFO ] [Nat]Absence check using state equation in 1081 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:44] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2026-05-24 13:14:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:45] [INFO ] [Nat]Absence check using state equation in 1072 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:45] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2026-05-24 13:14:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:46] [INFO ] [Nat]Absence check using state equation in 1067 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:46] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-24 13:14:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:47] [INFO ] [Nat]Absence check using state equation in 1061 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:47] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-24 13:14:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:48] [INFO ] [Nat]Absence check using state equation in 1055 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:49] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-24 13:14:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:50] [INFO ] [Nat]Absence check using state equation in 1059 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:50] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2026-05-24 13:14:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:51] [INFO ] [Nat]Absence check using state equation in 1064 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:51] [INFO ] [Real]Absence check using state equation in 59 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:51] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-24 13:14:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:52] [INFO ] [Nat]Absence check using state equation in 1062 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:52] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2026-05-24 13:14:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:53] [INFO ] [Nat]Absence check using state equation in 1058 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:53] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2026-05-24 13:14:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:55] [INFO ] [Nat]Absence check using state equation in 1089 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:55] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2026-05-24 13:14:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:56] [INFO ] [Nat]Absence check using state equation in 1068 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:56] [INFO ] [Real]Absence check using state equation in 55 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:56] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2026-05-24 13:14:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:57] [INFO ] [Nat]Absence check using state equation in 1061 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:57] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2026-05-24 13:14:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:58] [INFO ] [Nat]Absence check using state equation in 1055 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:58] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2026-05-24 13:14:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:14:59] [INFO ] [Nat]Absence check using state equation in 1070 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, 1, +inf, +inf, +inf, +inf, 1, +inf, +inf, +inf]
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 43 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 43/43 places, 490/490 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 43 transition count 478
Reduce places removed 8 places and 8 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 20 place count 35 transition count 470
Applied a total of 20 rules in 50 ms. Remains 35 /43 variables (removed 8) and now considering 470/490 (removed 20) transitions.
Running 464 sub problems to find dead transitions.
// Phase 1: matrix 470 rows 35 cols
[2026-05-24 13:15:00] [INFO ] Computed 0 invariants in 9 ms
[2026-05-24 13:15:00] [INFO ] State equation strengthened by 29 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 1 (OVERLAPS) 470/503 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/503 variables, 29/62 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/503 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 4 (OVERLAPS) 2/505 variables, 2/64 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/505 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 464 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (OVERLAPS) 0/505 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 464 unsolved
No progress, stopping.
After SMT solving in domain Real declared 505/505 variables, and 64 constraints, problems are : Problem set: 0 solved, 464 unsolved in 20029 ms.
Refiners :[State Equation: 35/35 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 464/464 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 464 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 1 (OVERLAPS) 470/503 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/503 variables, 29/62 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/503 variables, 464/526 constraints. Problems are: Problem set: 0 solved, 464 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/503 variables, 0/526 constraints. Problems are: Problem set: 0 solved, 464 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 505/505 variables, and 528 constraints, problems are : Problem set: 0 solved, 464 unsolved in 20023 ms.
Refiners :[State Equation: 35/35 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 464/464 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40392ms problems are : Problem set: 0 solved, 464 unsolved
Search for dead transitions found 0 dead transitions in 40406ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40473 ms. Remains : 35/43 places, 470/490 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2026-05-24 13:15:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (48008 resets) in 4368 ms. (228 steps per ms)
BEST_FIRST walk for 14000014 steps (65091 resets) in 11255 ms. (1243 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-24 13:15:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:15:56] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2026-05-24 13:15:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:16:05] [INFO ] [Nat]Absence check using state equation in 9099 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:16:05] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-24 13:16:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:16:14] [INFO ] [Nat]Absence check using state equation in 9052 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:16:14] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2026-05-24 13:16:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:16:23] [INFO ] [Nat]Absence check using state equation in 9061 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:16:23] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-24 13:16:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:16:32] [INFO ] [Nat]Absence check using state equation in 9067 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:16:33] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2026-05-24 13:16:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:16:42] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:16:42] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-24 13:16:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:16:51] [INFO ] [Nat]Absence check using state equation in 9052 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:16:51] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-24 13:16:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:00] [INFO ] [Nat]Absence check using state equation in 9052 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:00] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-24 13:17:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:09] [INFO ] [Nat]Absence check using state equation in 9056 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:09] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-24 13:17:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:18] [INFO ] [Nat]Absence check using state equation in 9052 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:18] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2026-05-24 13:17:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:27] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:28] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-24 13:17:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:37] [INFO ] [Nat]Absence check using state equation in 9056 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:37] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-24 13:17:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:46] [INFO ] [Nat]Absence check using state equation in 9107 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:46] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-24 13:17:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:55] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:55] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-24 13:17:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:18:04] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 35 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 35/35 places, 470/470 transitions.
Applied a total of 0 rules in 13 ms. Remains 35 /35 variables (removed 0) and now considering 470/470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 35/35 places, 470/470 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 35/35 places, 470/470 transitions.
Applied a total of 0 rules in 7 ms. Remains 35 /35 variables (removed 0) and now considering 470/470 (removed 0) transitions.
[2026-05-24 13:18:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:18:04] [INFO ] Implicit Places using invariants in 53 ms returned []
[2026-05-24 13:18:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:18:05] [INFO ] State equation strengthened by 29 read => feed constraints.
[2026-05-24 13:18:05] [INFO ] Implicit Places using invariants and state equation in 649 ms returned [34]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Implicit Place search using SMT with State Equation took 725 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 34/35 places, 467/470 transitions.
Applied a total of 0 rules in 11 ms. Remains 34 /34 variables (removed 0) and now considering 467/467 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 745 ms. Remains : 34/35 places, 467/470 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 467 rows 34 cols
[2026-05-24 13:18:05] [INFO ] Computed 0 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (44770 resets) in 4315 ms. (231 steps per ms)
BEST_FIRST walk for 14000014 steps (62955 resets) in 11216 ms. (1248 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-24 13:18:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:18:21] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-24 13:18:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:18:30] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:18:30] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-24 13:18:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:18:39] [INFO ] [Nat]Absence check using state equation in 9060 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:18:39] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-24 13:18:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:18:48] [INFO ] [Nat]Absence check using state equation in 9061 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:18:48] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-24 13:18:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:18:57] [INFO ] [Nat]Absence check using state equation in 9048 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:18:58] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-24 13:18:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:07] [INFO ] [Nat]Absence check using state equation in 9060 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:07] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-24 13:19:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:16] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:16] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-24 13:19:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:25] [INFO ] [Nat]Absence check using state equation in 9059 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:25] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2026-05-24 13:19:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:34] [INFO ] [Nat]Absence check using state equation in 9047 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:34] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-24 13:19:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:43] [INFO ] [Nat]Absence check using state equation in 9056 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:43] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2026-05-24 13:19:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:53] [INFO ] [Nat]Absence check using state equation in 9055 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:53] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-24 13:19:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:20:02] [INFO ] [Nat]Absence check using state equation in 9064 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:20:02] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-24 13:20:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:20:11] [INFO ] [Nat]Absence check using state equation in 9060 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:20:11] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2026-05-24 13:20:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:20:20] [INFO ] [Nat]Absence check using state equation in 9061 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:20:20] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-24 13:20:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:20:29] [INFO ] [Nat]Absence check using state equation in 9058 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Applied a total of 0 rules in 16 ms. Remains 34 /34 variables (removed 0) and now considering 467/467 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 34/34 places, 467/467 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Applied a total of 0 rules in 6 ms. Remains 34 /34 variables (removed 0) and now considering 467/467 (removed 0) transitions.
[2026-05-24 13:20:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:20:29] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-24 13:20:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:20:29] [INFO ] State equation strengthened by 29 read => feed constraints.
[2026-05-24 13:20:30] [INFO ] Implicit Places using invariants and state equation in 570 ms returned []
Implicit Place search using SMT with State Equation took 614 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:20:30] [INFO ] Redundant transitions in 29 ms returned []
Running 461 sub problems to find dead transitions.
[2026-05-24 13:20:30] [INFO ] Invariant cache hit.
[2026-05-24 13:20:30] [INFO ] State equation strengthened by 29 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 1 (OVERLAPS) 467/499 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/499 variables, 29/61 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/499 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 4 (OVERLAPS) 2/501 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/501 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 6 (OVERLAPS) 0/501 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 461 unsolved
No progress, stopping.
After SMT solving in domain Real declared 501/501 variables, and 63 constraints, problems are : Problem set: 0 solved, 461 unsolved in 21137 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 461/461 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 461 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 1 (OVERLAPS) 467/499 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/499 variables, 29/61 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/499 variables, 461/522 constraints. Problems are: Problem set: 0 solved, 461 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 499/501 variables, and 522 constraints, problems are : Problem set: 0 solved, 461 unsolved in 30019 ms.
Refiners :[State Equation: 32/34 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 461/461 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 51355ms problems are : Problem set: 0 solved, 461 unsolved
Search for dead transitions found 0 dead transitions in 51357ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52016 ms. Remains : 34/34 places, 467/467 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
RANDOM walk for 40000 steps (1802 resets) in 1316 ms. (30 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (177 resets) in 202 ms. (197 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (162 resets) in 146 ms. (272 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (180 resets) in 124 ms. (320 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (168 resets) in 231 ms. (172 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (151 resets) in 162 ms. (245 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (300 resets) in 141 ms. (281 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (169 resets) in 136 ms. (292 steps per ms) remains 14/14 properties
[2026-05-24 13:21:22] [INFO ] Flatten gal took : 181 ms
[2026-05-24 13:21:22] [INFO ] Flatten gal took : 52 ms
BEST_FIRST walk for 40003 steps (173 resets) in 253 ms. (157 steps per ms) remains 14/14 properties
[2026-05-24 13:21:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7676225745631673557.gal : 72 ms
[2026-05-24 13:21:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2545421603429906381.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/ReachabilityCardinality7676225745631673557.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2545421603429906381.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (161 resets) in 239 ms. (166 steps per ms) remains 14/14 properties
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 ...328
BEST_FIRST walk for 40004 steps (173 resets) in 150 ms. (264 steps per ms) remains 14/14 properties
Loading property file /tmp/ReachabilityCardinality2545421603429906381.prop.
BEST_FIRST walk for 40004 steps (175 resets) in 89 ms. (444 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :9 after 68
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :68 after 566
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :566 after 755
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :755 after 2580
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :2580 after 11660
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :11660 after 25640
BEST_FIRST walk for 40004 steps (160 resets) in 93 ms. (425 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :25640 after 109707
BEST_FIRST walk for 40004 steps (170 resets) in 67 ms. (588 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (178 resets) in 69 ms. (571 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 1024
SDD size :109707 after 373017
SDD proceeding with computation,14 properties remain. new max is 2048
SDD size :373017 after 1.56508e+06
SDD proceeding with computation,14 properties remain. new max is 4096
SDD size :1.56508e+06 after 8.40247e+06
SDD proceeding with computation,14 properties remain. new max is 8192
SDD size :8.40247e+06 after 3.53382e+07
Interrupted probabilistic random walk after 453738 steps, run timeout after 3001 ms. (steps per millisecond=151 ) properties seen :0 out of 14
Probabilistic random walk after 453738 steps, saw 111213 distinct states, run finished after 3013 ms. (steps per millisecond=150 ) properties seen :0
[2026-05-24 13:21:26] [INFO ] Invariant cache hit.
[2026-05-24 13:21:26] [INFO ] State equation strengthened by 29 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 303/317 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/317 variables, 29/43 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/317 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD proceeding with computation,14 properties remain. new max is 16384
SDD size :3.53382e+07 after 7.75747e+07
At refinement iteration 4 (OVERLAPS) 184/501 variables, 20/63 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/501 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/501 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 501/501 variables, and 63 constraints, problems are : Problem set: 0 solved, 14 unsolved in 886 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 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) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 303/317 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/317 variables, 29/43 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/317 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/317 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
SDD proceeding with computation,14 properties remain. new max is 32768
SDD size :7.75747e+07 after 3.83899e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 501/501 variables, and 64 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5035 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 1/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5929ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 14 out of 34 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 34/34 places, 467/467 transitions.
Applied a total of 0 rules in 7 ms. Remains 34 /34 variables (removed 0) and now considering 467/467 (removed 0) transitions.
Running 461 sub problems to find dead transitions.
[2026-05-24 13:21:32] [INFO ] Invariant cache hit.
[2026-05-24 13:21:32] [INFO ] State equation strengthened by 29 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 1 (OVERLAPS) 467/499 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/499 variables, 29/61 constraints. Problems are: Problem set: 0 solved, 461 unsolved
SDD proceeding with computation,14 properties remain. new max is 65536
SDD size :3.83899e+08 after 7.76369e+08
At refinement iteration 3 (INCLUDED_ONLY) 0/499 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 4 (OVERLAPS) 2/501 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 461 unsolved
SDD proceeding with computation,14 properties remain. new max is 131072
SDD size :7.76369e+08 after 1.74377e+09
At refinement iteration 5 (INCLUDED_ONLY) 0/501 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 461 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 501/501 variables, and 63 constraints, problems are : Problem set: 0 solved, 461 unsolved in 20032 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 461/461 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 461 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 1 (OVERLAPS) 467/499 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/499 variables, 29/61 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/499 variables, 461/522 constraints. Problems are: Problem set: 0 solved, 461 unsolved
SDD proceeding with computation,14 properties remain. new max is 262144
SDD size :1.74377e+09 after 7.2307e+09
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 499/501 variables, and 522 constraints, problems are : Problem set: 0 solved, 461 unsolved in 20019 ms.
Refiners :[State Equation: 32/34 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 461/461 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40337ms problems are : Problem set: 0 solved, 461 unsolved
Search for dead transitions found 0 dead transitions in 40339ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40348 ms. Remains : 34/34 places, 467/467 transitions.
RANDOM walk for 40000 steps (1787 resets) in 367 ms. (108 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (168 resets) in 73 ms. (540 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (165 resets) in 67 ms. (588 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (177 resets) in 70 ms. (563 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (161 resets) in 83 ms. (476 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (165 resets) in 62 ms. (634 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (293 resets) in 61 ms. (645 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (171 resets) in 81 ms. (487 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (169 resets) in 68 ms. (579 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (169 resets) in 86 ms. (459 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (174 resets) in 93 ms. (425 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (170 resets) in 75 ms. (526 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (166 resets) in 67 ms. (588 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (170 resets) in 72 ms. (547 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (174 resets) in 80 ms. (493 steps per ms) remains 14/14 properties
Detected timeout of ITS tools.
[2026-05-24 13:22:13] [INFO ] Flatten gal took : 22 ms
[2026-05-24 13:22:13] [INFO ] Applying decomposition
[2026-05-24 13:22:13] [INFO ] Flatten gal took : 21 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/graph630596310920607543.txt' '-o' '/tmp/graph630596310920607543.bin' '-w' '/tmp/graph630596310920607543.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph630596310920607543.bin' '-l' '-1' '-v' '-w' '/tmp/graph630596310920607543.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:22:13] [INFO ] Decomposing Gal with order
[2026-05-24 13:22:13] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:22:13] [INFO ] Removed a total of 861 redundant transitions.
[2026-05-24 13:22:13] [INFO ] Flatten gal took : 73 ms
[2026-05-24 13:22:13] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 5 ms.
[2026-05-24 13:22:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5894226790865228628.gal : 5 ms
[2026-05-24 13:22:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4036064603794799797.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/ReachabilityCardinality5894226790865228628.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4036064603794799797.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 ...307
Loading property file /tmp/ReachabilityCardinality4036064603794799797.prop.
Interrupted probabilistic random walk after 346279 steps, run timeout after 3001 ms. (steps per millisecond=115 ) properties seen :0 out of 14
Probabilistic random walk after 346279 steps, saw 83459 distinct states, run finished after 3001 ms. (steps per millisecond=115 ) properties seen :0
[2026-05-24 13:22:16] [INFO ] Invariant cache hit.
[2026-05-24 13:22:16] [INFO ] State equation strengthened by 29 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 303/317 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/317 variables, 29/43 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/317 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 184/501 variables, 20/63 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/501 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 0/501 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 501/501 variables, and 63 constraints, problems are : Problem set: 0 solved, 14 unsolved in 486 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 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) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 303/317 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/317 variables, 29/43 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/317 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/317 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 14 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,3.56279e+10,47.0313,1431404,25965,13,2.52729e+06,285,559,5.05341e+06,14,302,0
Total reachable state count : 35627859634
Verifying 14 reachability properties.
Invariant property MIN0 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
MIN0,0,47.0588,1431404,1,0,2.52729e+06,285,561,5.05341e+06,16,302,0
Invariant property MIN1 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
MIN1,0,47.0827,1431404,1,0,2.52729e+06,285,562,5.05341e+06,16,302,0
Invariant property MIN2 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
MIN2,0,47.099,1431404,1,0,2.52729e+06,285,563,5.05341e+06,16,302,0
Invariant property MIN3 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
MIN3,0,47.1198,1431404,1,0,2.52729e+06,285,564,5.05341e+06,16,302,0
Invariant property MIN4 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
MIN4,0,47.1296,1431404,1,0,2.52729e+06,285,565,5.05341e+06,16,302,0
Invariant property MIN5 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
MIN5,0,47.1301,1431404,1,0,2.52729e+06,285,566,5.05341e+06,16,302,0
Invariant property MIN6 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
MIN6,0,47.1302,1431404,1,0,2.52729e+06,285,567,5.05341e+06,16,302,0
Invariant property MIN7 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
MIN7,0,47.1665,1431404,1,0,2.52729e+06,285,568,5.05341e+06,16,302,0
Invariant property MIN8 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
MIN8,0,47.1668,1431404,1,0,2.52729e+06,285,569,5.05341e+06,16,302,0
Invariant property MIN9 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
MIN9,0,47.167,1431404,1,0,2.52729e+06,285,570,5.05341e+06,16,302,0
Invariant property MIN10 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
MIN10,0,47.1671,1431404,1,0,2.52729e+06,285,571,5.05341e+06,16,302,0
Invariant property MIN11 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
MIN11,0,47.19,1431404,1,0,2.52729e+06,285,572,5.05341e+06,16,302,0
Invariant property MIN12 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
MIN12,0,47.2141,1431404,1,0,2.52729e+06,285,573,5.05341e+06,16,302,0
Invariant property MIN13 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
MIN13,0,47.2417,1431404,1,0,2.52729e+06,285,574,5.05341e+06,16,302,0
After SMT solving in domain Int declared 501/501 variables, and 64 constraints, problems are : Problem set: 14 solved, 0 unsolved in 45009 ms.
Refiners :[State Equation: 34/34 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 1/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45505ms problems are : Problem set: 14 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-15 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-14 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-13 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-11 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-10 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-09 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-08 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-06 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-05 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-04 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-03 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-02 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-01 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-00 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 14 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 499474 ms.
BK_STOP 1779628981688
--------------------
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="DNAwalker-PT-16redondantChoiceR"
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 DNAwalker-PT-16redondantChoiceR, 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 r111-tall-177955700900105"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-16redondantChoiceR.tgz
mv DNAwalker-PT-16redondantChoiceR 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 ;