About the Execution of 2025-gold for DBSingleClientW-PT-d0m04
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 564.688 | 53769.00 | 81985.00 | 363.10 | 0 1 1 0 0 0 0 0 1 0 1 0 0 0 0 0 | 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.r095-smll-177946996300011.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 DBSingleClientW-PT-d0m04, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r095-smll-177946996300011
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 8.2K Mar 6 18:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 6 18:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 6 18:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 6 18:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 08:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 08:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 08:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 18:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 46K Mar 6 18:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 18:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 95K Mar 6 18:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:45 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 119K 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 DBSingleClientW-PT-d0m04-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d0m04-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d0m04-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d0m04-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d0m04-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d0m04-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d0m04-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d0m04-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d0m04-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d0m04-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d0m04-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d0m04-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d0m04-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d0m04-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d0m04-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d0m04-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779524884014
Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d0m04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 08:28:06] [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]
[2026-05-23 08:28:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:28:06] [INFO ] Load time of PNML (sax parser for PT used): 148 ms
[2026-05-23 08:28:06] [INFO ] Transformed 553 places.
[2026-05-23 08:28:06] [INFO ] Transformed 150 transitions.
[2026-05-23 08:28:06] [INFO ] Parsed PT model containing 553 places and 150 transitions and 600 arcs in 307 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Deduced a syphon composed of 444 places in 2 ms
Reduce places removed 444 places and 0 transitions.
FORMULA DBSingleClientW-PT-d0m04-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m04-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m04-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m04-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m04-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m04-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m04-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m04-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m04-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m04-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m04-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m04-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
// Phase 1: matrix 150 rows 109 cols
[2026-05-23 08:28:06] [INFO ] Computed 6 invariants in 29 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[6, 4, 229, 6]
RANDOM walk for 10000 steps (2282 resets) in 73 ms. (135 steps per ms)
BEST_FIRST walk for 40003 steps (4038 resets) in 112 ms. (354 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0, 1, 0] Max Struct:[6, 4, 229, 6]
[2026-05-23 08:28:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:28:07] [INFO ] [Real]Absence check using 2 positive place invariants in 10 ms returned sat
[2026-05-23 08:28:07] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 6 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:28:07] [INFO ] [Real]Absence check using 2 positive place invariants in 5 ms returned sat
[2026-05-23 08:28:07] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 6 ms returned sat
[2026-05-23 08:28:07] [INFO ] [Real]Absence check using state equation in 108 ms returned sat
[2026-05-23 08:28:07] [INFO ] State equation strengthened by 74 read => feed constraints.
[2026-05-23 08:28:07] [INFO ] [Real]Added 74 Read/Feed constraints in 20 ms returned sat
[2026-05-23 08:28:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:28:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-23 08:28:07] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 3 ms returned sat
[2026-05-23 08:28:07] [INFO ] [Nat]Absence check using state equation in 91 ms returned sat
[2026-05-23 08:28:07] [INFO ] [Nat]Added 74 Read/Feed constraints in 24 ms returned sat
[2026-05-23 08:28:07] [INFO ] Computed and/alt/rep : 39/69/39 causal constraints (skipped 110 transitions) in 63 ms.
[2026-05-23 08:28:07] [INFO ] Added : 6 causal constraints over 2 iterations in 152 ms. Result :sat
Minimization took 114 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:28:07] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-23 08:28:07] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 22 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:28:08] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-23 08:28:08] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 4 ms returned sat
[2026-05-23 08:28:08] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2026-05-23 08:28:08] [INFO ] [Real]Added 74 Read/Feed constraints in 25 ms returned sat
[2026-05-23 08:28:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:28:08] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-23 08:28:08] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 22 ms returned sat
[2026-05-23 08:28:08] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2026-05-23 08:28:08] [INFO ] [Nat]Added 74 Read/Feed constraints in 21 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:28:08] [INFO ] Deduced a trap composed of 35 places in 112 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:28:08] [INFO ] Deduced a trap composed of 35 places in 96 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:28:08] [INFO ] Deduced a trap composed of 16 places in 192 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:28:08] [INFO ] Deduced a trap composed of 16 places in 135 ms of which 7 ms to minimize.
[2026-05-23 08:28:09] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 650 ms
[2026-05-23 08:28:09] [INFO ] Computed and/alt/rep : 39/69/39 causal constraints (skipped 110 transitions) in 23 ms.
[2026-05-23 08:28:09] [INFO ] Added : 11 causal constraints over 3 iterations in 106 ms. Result :sat
Minimization took 82 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0, 1, 0] Max Struct:[1, 4, 1, 6]
FORMULA DBSingleClientW-PT-d0m04-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DBSingleClientW-PT-d0m04-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[4, 6]
Support contains 2 out of 109 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 109/109 places, 150/150 transitions.
Graph (complete) has 332 edges and 109 vertex of which 101 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.2 ms
Discarding 8 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 0 with 13 rules applied. Total rules applied 14 place count 101 transition count 137
Discarding 22 places :
Symmetric choice reduction at 1 with 22 rule applications. Total rules 36 place count 79 transition count 97
Iterating global reduction 1 with 22 rules applied. Total rules applied 58 place count 79 transition count 97
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 59 place count 79 transition count 96
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 70 place count 68 transition count 85
Iterating global reduction 2 with 11 rules applied. Total rules applied 81 place count 68 transition count 85
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 82 place count 68 transition count 84
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 84 place count 66 transition count 81
Iterating global reduction 3 with 2 rules applied. Total rules applied 86 place count 66 transition count 81
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 87 place count 66 transition count 80
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 88 place count 65 transition count 78
Iterating global reduction 4 with 1 rules applied. Total rules applied 89 place count 65 transition count 78
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 90 place count 64 transition count 77
Iterating global reduction 4 with 1 rules applied. Total rules applied 91 place count 64 transition count 77
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 92 place count 63 transition count 76
Iterating global reduction 4 with 1 rules applied. Total rules applied 93 place count 63 transition count 76
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 95 place count 63 transition count 74
Applied a total of 95 rules in 112 ms. Remains 63 /109 variables (removed 46) and now considering 74/150 (removed 76) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 129 ms. Remains : 63/109 places, 74/150 transitions.
// Phase 1: matrix 74 rows 63 cols
[2026-05-23 08:28:09] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[4, 6]
RANDOM walk for 1000000 steps (229154 resets) in 1492 ms. (669 steps per ms)
BEST_FIRST walk for 2000002 steps (203403 resets) in 1106 ms. (1806 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0] Max Struct:[4, 6]
[2026-05-23 08:28:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:28:12] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:28:12] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-23 08:28:12] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-23 08:28:12] [INFO ] [Real]Added 21 Read/Feed constraints in 8 ms returned sat
[2026-05-23 08:28:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:28:12] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:28:12] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2026-05-23 08:28:12] [INFO ] [Nat]Added 21 Read/Feed constraints in 7 ms returned sat
[2026-05-23 08:28:12] [INFO ] Computed and/alt/rep : 21/45/21 causal constraints (skipped 52 transitions) in 16 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:28:12] [INFO ] Deduced a trap composed of 11 places in 65 ms of which 3 ms to minimize.
[2026-05-23 08:28:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 78 ms
[2026-05-23 08:28:12] [INFO ] Added : 9 causal constraints over 3 iterations in 137 ms. Result :sat
Minimization took 56 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:28:12] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 08:28:12] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2026-05-23 08:28:12] [INFO ] [Real]Added 21 Read/Feed constraints in 5 ms returned sat
[2026-05-23 08:28:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:28:12] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:28:12] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2026-05-23 08:28:12] [INFO ] [Nat]Added 21 Read/Feed constraints in 4 ms returned sat
[2026-05-23 08:28:12] [INFO ] Computed and/alt/rep : 21/45/21 causal constraints (skipped 52 transitions) in 11 ms.
[2026-05-23 08:28:12] [INFO ] Added : 9 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0] Max Struct:[4, 6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 0] Max Struct:[4, 6]
Support contains 2 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 74/74 transitions.
Applied a total of 0 rules in 6 ms. Remains 63 /63 variables (removed 0) and now considering 74/74 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 63/63 places, 74/74 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 74/74 transitions.
Applied a total of 0 rules in 8 ms. Remains 63 /63 variables (removed 0) and now considering 74/74 (removed 0) transitions.
[2026-05-23 08:28:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:28:12] [INFO ] Implicit Places using invariants in 83 ms returned []
[2026-05-23 08:28:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:28:12] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-23 08:28:13] [INFO ] Implicit Places using invariants and state equation in 204 ms returned []
Implicit Place search using SMT with State Equation took 289 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:28:13] [INFO ] Redundant transitions in 2 ms returned []
Running 73 sub problems to find dead transitions.
[2026-05-23 08:28:13] [INFO ] Invariant cache hit.
[2026-05-23 08:28:13] [INFO ] State equation strengthened by 21 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 2 (OVERLAPS) 1/63 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 4 (OVERLAPS) 74/137 variables, 63/65 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 21/86 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 73 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:28:16] [INFO ] Deduced a trap composed of 11 places in 123 ms of which 13 ms to minimize.
At refinement iteration 7 (OVERLAPS) 0/137 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/137 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 9 (OVERLAPS) 0/137 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 73 unsolved
No progress, stopping.
After SMT solving in domain Real declared 137/137 variables, and 87 constraints, problems are : Problem set: 0 solved, 73 unsolved in 5453 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 63/63 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 73/73 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 73 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 3 (OVERLAPS) 1/63 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 5 (OVERLAPS) 74/137 variables, 63/66 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 21/87 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/137 variables, 73/160 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/137 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 9 (OVERLAPS) 0/137 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 73 unsolved
No progress, stopping.
After SMT solving in domain Int declared 137/137 variables, and 160 constraints, problems are : Problem set: 0 solved, 73 unsolved in 11361 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 63/63 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 73/73 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 17049ms problems are : Problem set: 0 solved, 73 unsolved
Search for dead transitions found 0 dead transitions in 17058ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17374 ms. Remains : 63/63 places, 74/74 transitions.
[2026-05-23 08:28:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0] Max Struct:[4, 6]
RANDOM walk for 1000000 steps (229145 resets) in 1004 ms. (995 steps per ms)
BEST_FIRST walk for 2000002 steps (203435 resets) in 1202 ms. (1662 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0] Max Struct:[4, 6]
[2026-05-23 08:28:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:28:32] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:28:32] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-23 08:28:32] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-23 08:28:32] [INFO ] [Real]Added 21 Read/Feed constraints in 6 ms returned sat
[2026-05-23 08:28:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:28:32] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:28:32] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2026-05-23 08:28:32] [INFO ] [Nat]Added 21 Read/Feed constraints in 7 ms returned sat
[2026-05-23 08:28:32] [INFO ] Computed and/alt/rep : 21/45/21 causal constraints (skipped 52 transitions) in 12 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:28:32] [INFO ] Deduced a trap composed of 11 places in 86 ms of which 5 ms to minimize.
[2026-05-23 08:28:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 98 ms
[2026-05-23 08:28:32] [INFO ] Added : 9 causal constraints over 3 iterations in 159 ms. Result :sat
Minimization took 52 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:28:32] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:28:32] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-23 08:28:32] [INFO ] [Real]Added 21 Read/Feed constraints in 5 ms returned sat
[2026-05-23 08:28:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:28:32] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:28:33] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2026-05-23 08:28:33] [INFO ] [Nat]Added 21 Read/Feed constraints in 9 ms returned sat
[2026-05-23 08:28:33] [INFO ] Computed and/alt/rep : 21/45/21 causal constraints (skipped 52 transitions) in 14 ms.
[2026-05-23 08:28:33] [INFO ] Added : 9 causal constraints over 3 iterations in 53 ms. Result :sat
Minimization took 48 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0] Max Struct:[4, 6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 0] Max Struct:[4, 6]
Support contains 2 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 74/74 transitions.
Applied a total of 0 rules in 5 ms. Remains 63 /63 variables (removed 0) and now considering 74/74 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 63/63 places, 74/74 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 74/74 transitions.
Applied a total of 0 rules in 5 ms. Remains 63 /63 variables (removed 0) and now considering 74/74 (removed 0) transitions.
[2026-05-23 08:28:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:28:33] [INFO ] Implicit Places using invariants in 106 ms returned []
[2026-05-23 08:28:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:28:33] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-23 08:28:33] [INFO ] Implicit Places using invariants and state equation in 217 ms returned []
Implicit Place search using SMT with State Equation took 325 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:28:33] [INFO ] Redundant transitions in 1 ms returned []
Running 73 sub problems to find dead transitions.
[2026-05-23 08:28:33] [INFO ] Invariant cache hit.
[2026-05-23 08:28:33] [INFO ] State equation strengthened by 21 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 2 (OVERLAPS) 1/63 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 4 (OVERLAPS) 74/137 variables, 63/65 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 21/86 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 73 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:28:35] [INFO ] Deduced a trap composed of 11 places in 66 ms of which 6 ms to minimize.
At refinement iteration 7 (OVERLAPS) 0/137 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/137 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 9 (OVERLAPS) 0/137 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 73 unsolved
No progress, stopping.
After SMT solving in domain Real declared 137/137 variables, and 87 constraints, problems are : Problem set: 0 solved, 73 unsolved in 3963 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 63/63 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 73/73 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 73 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 3 (OVERLAPS) 1/63 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 5 (OVERLAPS) 74/137 variables, 63/66 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 21/87 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/137 variables, 73/160 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/137 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 73 unsolved
At refinement iteration 9 (OVERLAPS) 0/137 variables, 0/160 constraints. Problems are: Problem set: 0 solved, 73 unsolved
No progress, stopping.
After SMT solving in domain Int declared 137/137 variables, and 160 constraints, problems are : Problem set: 0 solved, 73 unsolved in 7838 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 63/63 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 73/73 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11862ms problems are : Problem set: 0 solved, 73 unsolved
Search for dead transitions found 0 dead transitions in 11864ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12204 ms. Remains : 63/63 places, 74/74 transitions.
RANDOM walk for 40000 steps (9170 resets) in 1305 ms. (30 steps per ms) remains 4/4 properties
[2026-05-23 08:28:45] [INFO ] Flatten gal took : 71 ms
[2026-05-23 08:28:45] [INFO ] Flatten gal took : 35 ms
[2026-05-23 08:28:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality781486914537990247.gal : 14 ms
[2026-05-23 08:28:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15440306647924157644.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality781486914537990247.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15440306647924157644.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality15440306647924157644.prop.
BEST_FIRST walk for 40002 steps (4076 resets) in 713 ms. (56 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :7 after 22
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :22 after 48
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :48 after 92
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :92 after 184
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :184 after 696
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :696 after 1208
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :1208 after 2406
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,4924,0.181381,7152,2,1708,13,13270,10,0,332,8531,0
Total reachable state count : 4924
Verifying 4 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,0.182567,7280,1,0,13,13270,10,0,333,8531,0
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
MIN0,0,0.183249,7408,1,0,13,13270,10,0,333,8531,0
Reachability property MAX1 does not hold.
No reachable states exhibit your property : MAX1
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX1,0,0.183507,7408,1,0,13,13270,10,0,333,8531,0
Invariant property MIN1 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN1,18,0.18378,7408,2,86,13,13270,10,0,334,8531,0
BEST_FIRST walk for 40001 steps (4072 resets) in 482 ms. (82 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (4046 resets) in 501 ms. (79 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40001 steps (4143 resets) in 380 ms. (104 steps per ms) remains 4/4 properties
Probably explored full state space saw : 4910 states, properties seen :1
Probabilistic random walk after 11793 steps, saw 4910 distinct states, run finished after 167 ms. (steps per millisecond=70 ) properties seen :1
Explored full state space saw : 4924 states, properties seen :0
Exhaustive walk after 11823 steps, saw 4924 distinct states, run finished after 194 ms. (steps per millisecond=60 ) properties seen :0
FORMULA DBSingleClientW-PT-d0m04-UpperBounds-02 1 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[0] Max Struct:[6]
Starting property specific reduction for DBSingleClientW-PT-d0m04-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[6]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[6]
[2026-05-23 08:28:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[6]
RANDOM walk for 10000 steps (2294 resets) in 16 ms. (588 steps per ms)
BEST_FIRST walk for 10000 steps (1044 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[6]
[2026-05-23 08:28:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:28:46] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:28:47] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-23 08:28:47] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-23 08:28:47] [INFO ] [Real]Added 21 Read/Feed constraints in 7 ms returned sat
[2026-05-23 08:28:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:28:47] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:28:47] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2026-05-23 08:28:47] [INFO ] [Nat]Added 21 Read/Feed constraints in 8 ms returned sat
[2026-05-23 08:28:47] [INFO ] Computed and/alt/rep : 21/45/21 causal constraints (skipped 52 transitions) in 15 ms.
[2026-05-23 08:28:47] [INFO ] Added : 9 causal constraints over 3 iterations in 63 ms. Result :sat
Minimization took 49 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[6]
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 74/74 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 62 transition count 73
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 62 transition count 73
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 61 transition count 72
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 61 transition count 72
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 60 transition count 69
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 60 transition count 69
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 59 transition count 68
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 59 transition count 68
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 58 transition count 67
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 58 transition count 67
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 12 place count 58 transition count 65
Applied a total of 12 rules in 38 ms. Remains 58 /63 variables (removed 5) and now considering 65/74 (removed 9) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 58/63 places, 65/74 transitions.
// Phase 1: matrix 65 rows 58 cols
[2026-05-23 08:28:47] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[6]
RANDOM walk for 1000000 steps (229277 resets) in 1432 ms. (697 steps per ms)
BEST_FIRST walk for 1000001 steps (101981 resets) in 444 ms. (2247 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[6]
[2026-05-23 08:28:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:28:49] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:28:49] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2026-05-23 08:28:49] [INFO ] State equation strengthened by 19 read => feed constraints.
[2026-05-23 08:28:49] [INFO ] [Real]Added 19 Read/Feed constraints in 4 ms returned sat
[2026-05-23 08:28:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:28:49] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:28:49] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2026-05-23 08:28:49] [INFO ] [Nat]Added 19 Read/Feed constraints in 5 ms returned sat
[2026-05-23 08:28:49] [INFO ] Computed and/alt/rep : 19/37/19 causal constraints (skipped 45 transitions) in 7 ms.
[2026-05-23 08:28:49] [INFO ] Added : 9 causal constraints over 3 iterations in 33 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[6]
Support contains 1 out of 58 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 65/65 transitions.
Applied a total of 0 rules in 5 ms. Remains 58 /58 variables (removed 0) and now considering 65/65 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 58/58 places, 65/65 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 58/58 places, 65/65 transitions.
Applied a total of 0 rules in 4 ms. Remains 58 /58 variables (removed 0) and now considering 65/65 (removed 0) transitions.
[2026-05-23 08:28:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:28:49] [INFO ] Implicit Places using invariants in 64 ms returned []
[2026-05-23 08:28:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:28:49] [INFO ] State equation strengthened by 19 read => feed constraints.
[2026-05-23 08:28:49] [INFO ] Implicit Places using invariants and state equation in 265 ms returned []
Implicit Place search using SMT with State Equation took 332 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:28:49] [INFO ] Redundant transitions in 1 ms returned []
Running 64 sub problems to find dead transitions.
[2026-05-23 08:28:49] [INFO ] Invariant cache hit.
[2026-05-23 08:28:49] [INFO ] State equation strengthened by 19 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (OVERLAPS) 1/58 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (OVERLAPS) 65/123 variables, 58/60 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 19/79 constraints. Problems are: Problem set: 0 solved, 64 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/123 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 7 (OVERLAPS) 0/123 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Real declared 123/123 variables, and 79 constraints, problems are : Problem set: 0 solved, 64 unsolved in 1928 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 58/58 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (OVERLAPS) 1/58 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (OVERLAPS) 65/123 variables, 58/60 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/123 variables, 19/79 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/123 variables, 64/143 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/123 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 8 (OVERLAPS) 0/123 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Int declared 123/123 variables, and 143 constraints, problems are : Problem set: 0 solved, 64 unsolved in 5032 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 58/58 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7012ms problems are : Problem set: 0 solved, 64 unsolved
Search for dead transitions found 0 dead transitions in 7016ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7362 ms. Remains : 58/58 places, 65/65 transitions.
[2026-05-23 08:28:56] [INFO ] Flatten gal took : 16 ms
[2026-05-23 08:28:56] [INFO ] Flatten gal took : 14 ms
[2026-05-23 08:28:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10384403013314466094.gal : 3 ms
[2026-05-23 08:28:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15336260142157369443.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/ReachabilityCardinality10384403013314466094.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15336260142157369443.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality15336260142157369443.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 22
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :22 after 56
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :56 after 114
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :114 after 196
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :196 after 574
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :574 after 1192
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1192 after 2698
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,3464,0.062493,6300,2,1362,13,8541,8,0,301,5740,0
Total reachable state count : 3464
Verifying 2 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,0.063246,6300,1,0,13,8541,8,0,302,5740,0
Invariant property MIN0 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,18,0.063727,6556,2,81,13,8541,8,0,303,5740,0
ITS tools runner thread asked to quit. Dying gracefully.
RANDOM walk for 40000 steps (9247 resets) in 522 ms. (76 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (4089 resets) in 125 ms. (317 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (4034 resets) in 120 ms. (330 steps per ms) remains 2/2 properties
Probably explored full state space saw : 3456 states, properties seen :1
Probabilistic random walk after 8160 steps, saw 3456 distinct states, run finished after 53 ms. (steps per millisecond=153 ) properties seen :1
Explored full state space saw : 3464 states, properties seen :0
Exhaustive walk after 8168 steps, saw 3464 distinct states, run finished after 17 ms. (steps per millisecond=480 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[6]
Ending property specific reduction for DBSingleClientW-PT-d0m04-UpperBounds-10 in 10265 ms.
[2026-05-23 08:28:57] [INFO ] Flatten gal took : 25 ms
[2026-05-23 08:28:57] [INFO ] Applying decomposition
[2026-05-23 08:28:57] [INFO ] Flatten gal took : 17 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/graph9979173140455245338.txt' '-o' '/tmp/graph9979173140455245338.bin' '-w' '/tmp/graph9979173140455245338.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9979173140455245338.bin' '-l' '-1' '-v' '-w' '/tmp/graph9979173140455245338.weights' '-q' '0' '-e' '0.001'
[2026-05-23 08:28:57] [INFO ] Decomposing Gal with order
[2026-05-23 08:28:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 08:28:57] [INFO ] Removed a total of 63 redundant transitions.
[2026-05-23 08:28:57] [INFO ] Flatten gal took : 93 ms
[2026-05-23 08:28:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 42 labels/synchronizations in 15 ms.
[2026-05-23 08:28:57] [INFO ] Time to serialize gal into /tmp/UpperBounds8487850669184158982.gal : 9 ms
[2026-05-23 08:28:57] [INFO ] Time to serialize properties into /tmp/UpperBounds13839726491364975819.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/UpperBounds8487850669184158982.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds13839726491364975819.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 ...284
Loading property file /tmp/UpperBounds13839726491364975819.prop.
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,4924,0.129155,6740,337,200,3828,1215,245,7788,100,6634,0
Total reachable state count : 4924
Verifying 1 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d0m04-UpperBounds-10 :0 <= i5.u11.p30 <= 1
FORMULA DBSingleClientW-PT-d0m04-UpperBounds-10 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d0m04-UpperBounds-10,0,0.136556,6740,1,0,3828,1215,322,7788,124,6634,312
Total runtime 51631 ms.
BK_STOP 1779524937783
--------------------
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="DBSingleClientW-PT-d0m04"
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 DBSingleClientW-PT-d0m04, 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 r095-smll-177946996300011"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d0m04.tgz
mv DBSingleClientW-PT-d0m04 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 ;