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-177946996300016.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-d0m09, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r095-smll-177946996300016
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 632K
-rw-r--r-- 1 mcc users 7.7K Mar 6 18:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 6 18:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 6 18:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 6 18:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 08:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 08:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 6 18:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 171K Mar 6 18:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.1K Mar 6 18:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K Mar 6 18:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:46 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-d0m09-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d0m09-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d0m09-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d0m09-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d0m09-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d0m09-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d0m09-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d0m09-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d0m09-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d0m09-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d0m09-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d0m09-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d0m09-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d0m09-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d0m09-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d0m09-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779525163334

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d0m09
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 08:32:45] [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 08:32:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:32:46] [INFO ] Load time of PNML (sax parser for PT used): 192 ms
[2026-05-23 08:32:46] [INFO ] Transformed 553 places.
[2026-05-23 08:32:46] [INFO ] Transformed 150 transitions.
[2026-05-23 08:32:46] [INFO ] Parsed PT model containing 553 places and 150 transitions and 600 arcs in 411 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 16 ms.
Deduced a syphon composed of 444 places in 3 ms
Reduce places removed 444 places and 0 transitions.
FORMULA DBSingleClientW-PT-d0m09-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m09-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m09-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m09-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m09-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m09-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m09-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m09-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m09-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m09-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d0m09-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 150 rows 109 cols
[2026-05-23 08:32:46] [INFO ] Computed 6 invariants in 28 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[9, 6, 6, 1, 9]
RANDOM walk for 10000 steps (2255 resets) in 111 ms. (89 steps per ms)
FORMULA DBSingleClientW-PT-d0m09-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40001 steps (4026 resets) in 165 ms. (240 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 1, 1, 0] Max Struct:[9, 6, 6, 9]
[2026-05-23 08:32:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:32:47] [INFO ] [Real]Absence check using 2 positive place invariants in 11 ms returned sat
[2026-05-23 08:32:47] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 8 ms returned sat
[2026-05-23 08:32:47] [INFO ] [Real]Absence check using state equation in 174 ms returned sat
[2026-05-23 08:32:47] [INFO ] State equation strengthened by 74 read => feed constraints.
[2026-05-23 08:32:47] [INFO ] [Real]Added 74 Read/Feed constraints in 34 ms returned sat
[2026-05-23 08:32:47] [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 08:32:47] [INFO ] [Nat]Absence check using 2 positive place invariants in 6 ms returned sat
[2026-05-23 08:32:47] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 3 ms returned sat
[2026-05-23 08:32:47] [INFO ] [Nat]Absence check using state equation in 140 ms returned sat
[2026-05-23 08:32:48] [INFO ] [Nat]Added 74 Read/Feed constraints in 34 ms returned sat
[2026-05-23 08:32:48] [INFO ] Computed and/alt/rep : 39/69/39 causal constraints (skipped 110 transitions) in 65 ms.
[2026-05-23 08:32:48] [INFO ] Added : 8 causal constraints over 3 iterations in 185 ms. Result :sat
Minimization took 232 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:32:48] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-23 08:32:48] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 5 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:32:48] [INFO ] [Real]Absence check using 2 positive place invariants in 26 ms returned sat
[2026-05-23 08:32:48] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 5 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:32:48] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-23 08:32:48] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 5 ms returned sat
[2026-05-23 08:32:48] [INFO ] [Real]Absence check using state equation in 114 ms returned sat
[2026-05-23 08:32:48] [INFO ] [Real]Added 74 Read/Feed constraints in 28 ms returned sat
[2026-05-23 08:32:48] [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 08:32:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-23 08:32:48] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 5 ms returned sat
[2026-05-23 08:32:49] [INFO ] [Nat]Absence check using state equation in 111 ms returned sat
[2026-05-23 08:32:49] [INFO ] [Nat]Added 74 Read/Feed constraints in 26 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:32:49] [INFO ] Deduced a trap composed of 34 places in 185 ms of which 22 ms to minimize.
[2026-05-23 08:32:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 225 ms
[2026-05-23 08:32:49] [INFO ] Computed and/alt/rep : 39/69/39 causal constraints (skipped 110 transitions) in 41 ms.
[2026-05-23 08:32:49] [INFO ] Added : 5 causal constraints over 1 iterations in 102 ms. Result :sat
Minimization took 110 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 1, 1, 0] Max Struct:[9, 1, 1, 9]
FORMULA DBSingleClientW-PT-d0m09-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DBSingleClientW-PT-d0m09-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 1] Max Struct:[9, 9]
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 23 places :
Symmetric choice reduction at 1 with 23 rule applications. Total rules 37 place count 78 transition count 96
Iterating global reduction 1 with 23 rules applied. Total rules applied 60 place count 78 transition count 96
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 61 place count 78 transition count 95
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 71 place count 68 transition count 85
Iterating global reduction 2 with 10 rules applied. Total rules applied 81 place count 68 transition count 85
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 83 place count 68 transition count 83
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 85 place count 66 transition count 80
Iterating global reduction 3 with 2 rules applied. Total rules applied 87 place count 66 transition count 80
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 88 place count 66 transition count 79
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 89 place count 65 transition count 77
Iterating global reduction 4 with 1 rules applied. Total rules applied 90 place count 65 transition count 77
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 91 place count 64 transition count 76
Iterating global reduction 4 with 1 rules applied. Total rules applied 92 place count 64 transition count 76
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 93 place count 63 transition count 75
Iterating global reduction 4 with 1 rules applied. Total rules applied 94 place count 63 transition count 75
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 96 place count 63 transition count 73
Applied a total of 96 rules in 83 ms. Remains 63 /109 variables (removed 46) and now considering 73/150 (removed 77) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 97 ms. Remains : 63/109 places, 73/150 transitions.
// Phase 1: matrix 73 rows 63 cols
[2026-05-23 08:32:49] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 1] Max Struct:[9, 9]
RANDOM walk for 1000000 steps (229144 resets) in 1435 ms. (696 steps per ms)
BEST_FIRST walk for 2000000 steps (203318 resets) in 1613 ms. (1239 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1] Max Struct:[9, 9]
[2026-05-23 08:32:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:32:52] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:32:52] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-23 08:32:52] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-23 08:32:52] [INFO ] [Real]Added 21 Read/Feed constraints in 7 ms returned sat
[2026-05-23 08:32:52] [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 08:32:52] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:32:53] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-23 08:32:53] [INFO ] [Nat]Added 21 Read/Feed constraints in 5 ms returned sat
[2026-05-23 08:32:53] [INFO ] Computed and/alt/rep : 21/44/21 causal constraints (skipped 51 transitions) in 13 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:32:53] [INFO ] Deduced a trap composed of 10 places in 101 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:32:53] [INFO ] Deduced a trap composed of 10 places in 79 ms of which 9 ms to minimize.
[2026-05-23 08:32:53] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 208 ms
[2026-05-23 08:32:53] [INFO ] Added : 14 causal constraints over 5 iterations in 299 ms. Result :sat
Minimization took 113 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:32:53] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:32:53] [INFO ] [Real]Absence check using state equation in 45 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1] Max Struct:[9, 1]
FORMULA DBSingleClientW-PT-d0m09-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[9]
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 73/73 transitions.
Applied a total of 0 rules in 11 ms. Remains 63 /63 variables (removed 0) and now considering 73/73 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 63/63 places, 73/73 transitions.
[2026-05-23 08:32:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[9]
RANDOM walk for 1000000 steps (229072 resets) in 1037 ms. (963 steps per ms)
BEST_FIRST walk for 1000000 steps (101350 resets) in 471 ms. (2118 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[9]
[2026-05-23 08:32:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:32:55] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:32:55] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-23 08:32:55] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-23 08:32:55] [INFO ] [Real]Added 21 Read/Feed constraints in 6 ms returned sat
[2026-05-23 08:32:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:32:55] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 08:32:55] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2026-05-23 08:32:55] [INFO ] [Nat]Added 21 Read/Feed constraints in 7 ms returned sat
[2026-05-23 08:32:55] [INFO ] Computed and/alt/rep : 21/44/21 causal constraints (skipped 51 transitions) in 14 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:32:55] [INFO ] Deduced a trap composed of 10 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:32:55] [INFO ] Deduced a trap composed of 10 places in 70 ms of which 5 ms to minimize.
[2026-05-23 08:32:55] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 169 ms
[2026-05-23 08:32:55] [INFO ] Added : 14 causal constraints over 5 iterations in 273 ms. Result :sat
Minimization took 118 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[9]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[9]
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 73/73 transitions.
Applied a total of 0 rules in 6 ms. Remains 63 /63 variables (removed 0) and now considering 73/73 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 63/63 places, 73/73 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 73/73 transitions.
Applied a total of 0 rules in 5 ms. Remains 63 /63 variables (removed 0) and now considering 73/73 (removed 0) transitions.
[2026-05-23 08:32:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:32:55] [INFO ] Implicit Places using invariants in 81 ms returned []
[2026-05-23 08:32:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:32:55] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-23 08:32:56] [INFO ] Implicit Places using invariants and state equation in 214 ms returned []
Implicit Place search using SMT with State Equation took 297 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:32:56] [INFO ] Redundant transitions in 1 ms returned []
Running 72 sub problems to find dead transitions.
[2026-05-23 08:32:56] [INFO ] Invariant cache hit.
[2026-05-23 08:32:56] [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, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/63 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (OVERLAPS) 73/136 variables, 63/65 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/136 variables, 21/86 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/136 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/136 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 136/136 variables, and 86 constraints, problems are : Problem set: 0 solved, 72 unsolved in 3785 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 63/63 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 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, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/63 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (OVERLAPS) 73/136 variables, 63/65 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/136 variables, 21/86 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/136 variables, 72/158 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/136 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 0/136 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 136/136 variables, and 158 constraints, problems are : Problem set: 0 solved, 72 unsolved in 11517 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 63/63 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15508ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 15522ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15850 ms. Remains : 63/63 places, 73/73 transitions.
RANDOM walk for 40000 steps (9207 resets) in 956 ms. (41 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (4085 resets) in 472 ms. (84 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (4076 resets) in 311 ms. (128 steps per ms) remains 2/2 properties
[2026-05-23 08:33:12] [INFO ] Flatten gal took : 72 ms
[2026-05-23 08:33:12] [INFO ] Flatten gal took : 20 ms
[2026-05-23 08:33:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4251036973335681820.gal : 11 ms
[2026-05-23 08:33:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16539259895349296872.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/ReachabilityCardinality4251036973335681820.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16539259895349296872.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality16539259895349296872.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 126
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :126 after 280
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :280 after 590
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :590 after 2628
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :2628 after 11670
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :11670 after 52867
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :52867 after 170774
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :170774 after 501324
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :501324 after 1.7191e+06
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :1.7191e+06 after 4.97702e+06
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :4.97702e+06 after 1.67822e+07
Interrupted probabilistic random walk after 2332181 steps, run timeout after 3001 ms. (steps per millisecond=777 ) properties seen :1 out of 2
Probabilistic random walk after 2332181 steps, saw 932041 distinct states, run finished after 3007 ms. (steps per millisecond=775 ) properties seen :1
[2026-05-23 08:33:15] [INFO ] Invariant cache hit.
[2026-05-23 08:33:15] [INFO ] State equation strengthened by 21 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/64 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 35/99 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/99 variables, 22/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/99 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/105 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/105 variables, 4/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/105 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 31/136 variables, 30/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/136 variables, 16/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:33:15] [INFO ] Deduced a trap composed of 10 places in 70 ms of which 7 ms to minimize.
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 136/136 variables, and 87 constraints, problems are : Problem set: 1 solved, 0 unsolved in 210 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 63/63 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 216ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[9]
Starting property specific reduction for DBSingleClientW-PT-d0m09-UpperBounds-02
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:[9]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[9]
[2026-05-23 08:33:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[9]
RANDOM walk for 10000 steps (2308 resets) in 13 ms. (714 steps per ms)
BEST_FIRST walk for 10001 steps (1027 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[9]
[2026-05-23 08:33:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:33:15] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:33:15] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-23 08:33:15] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-23 08:33:15] [INFO ] [Real]Added 21 Read/Feed constraints in 6 ms returned sat
[2026-05-23 08:33:15] [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 08:33:15] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:33:15] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2026-05-23 08:33:15] [INFO ] [Nat]Added 21 Read/Feed constraints in 5 ms returned sat
[2026-05-23 08:33:15] [INFO ] Computed and/alt/rep : 21/44/21 causal constraints (skipped 51 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:33:15] [INFO ] Deduced a trap composed of 10 places in 149 ms of which 9 ms to minimize.
[2026-05-23 08:33:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 166 ms
[2026-05-23 08:33:15] [INFO ] Added : 13 causal constraints over 4 iterations in 251 ms. Result :sat
Minimization took 72 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[9]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[9]
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 73/73 transitions.
Applied a total of 0 rules in 6 ms. Remains 63 /63 variables (removed 0) and now considering 73/73 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 63/63 places, 73/73 transitions.
[2026-05-23 08:33:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[9]
RANDOM walk for 1000000 steps (229083 resets) in 1284 ms. (778 steps per ms)
BEST_FIRST walk for 1000001 steps (101292 resets) in 623 ms. (1602 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[9]
[2026-05-23 08:33:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:33:17] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:33:18] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2026-05-23 08:33:18] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-23 08:33:18] [INFO ] [Real]Added 21 Read/Feed constraints in 6 ms returned sat
[2026-05-23 08:33:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:33:18] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:33:18] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2026-05-23 08:33:18] [INFO ] [Nat]Added 21 Read/Feed constraints in 6 ms returned sat
[2026-05-23 08:33:18] [INFO ] Computed and/alt/rep : 21/44/21 causal constraints (skipped 51 transitions) in 8 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:33:18] [INFO ] Deduced a trap composed of 10 places in 58 ms of which 6 ms to minimize.
[2026-05-23 08:33:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 99 ms
[2026-05-23 08:33:18] [INFO ] Added : 13 causal constraints over 4 iterations in 175 ms. Result :sat
Minimization took 93 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[9]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[9]
Support contains 1 out of 63 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 73/73 transitions.
Applied a total of 0 rules in 10 ms. Remains 63 /63 variables (removed 0) and now considering 73/73 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 63/63 places, 73/73 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 63/63 places, 73/73 transitions.
Applied a total of 0 rules in 10 ms. Remains 63 /63 variables (removed 0) and now considering 73/73 (removed 0) transitions.
[2026-05-23 08:33:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:33:18] [INFO ] Implicit Places using invariants in 139 ms returned []
[2026-05-23 08:33:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:33:18] [INFO ] State equation strengthened by 21 read => feed constraints.
[2026-05-23 08:33:18] [INFO ] Implicit Places using invariants and state equation in 204 ms returned []
Implicit Place search using SMT with State Equation took 345 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:33:18] [INFO ] Redundant transitions in 1 ms returned []
Running 72 sub problems to find dead transitions.
[2026-05-23 08:33:18] [INFO ] Invariant cache hit.
[2026-05-23 08:33:18] [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, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/63 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (OVERLAPS) 73/136 variables, 63/65 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/136 variables, 21/86 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/136 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/136 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 136/136 variables, and 86 constraints, problems are : Problem set: 0 solved, 72 unsolved in 2335 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 63/63 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 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, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (OVERLAPS) 1/63 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/63 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (OVERLAPS) 73/136 variables, 63/65 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/136 variables, 21/86 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/136 variables, 72/158 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/136 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (OVERLAPS) 0/136 variables, 0/158 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 136/136 variables, and 158 constraints, problems are : Problem set: 0 solved, 72 unsolved in 11378 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 63/63 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13777ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 13780ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14144 ms. Remains : 63/63 places, 73/73 transitions.
[2026-05-23 08:33:32] [INFO ] Flatten gal took : 29 ms
[2026-05-23 08:33:32] [INFO ] Flatten gal took : 27 ms
[2026-05-23 08:33:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16309880897280026553.gal : 8 ms
[2026-05-23 08:33:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8336495067777049966.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/ReachabilityCardinality16309880897280026553.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8336495067777049966.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality8336495067777049966.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 126
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :126 after 280
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :280 after 590
RANDOM walk for 40000 steps (9148 resets) in 446 ms. (89 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :590 after 2628
BEST_FIRST walk for 40001 steps (4081 resets) in 127 ms. (312 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (4027 resets) in 155 ms. (256 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :2628 after 11670
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :11670 after 52867
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :52867 after 170774
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :170774 after 501324
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :501324 after 1.7191e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.7191e+06 after 2.32899e+06
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :2.32899e+06 after 7.82576e+06
Interrupted probabilistic random walk after 2039292 steps, run timeout after 3001 ms. (steps per millisecond=679 ) properties seen :1 out of 2
Probabilistic random walk after 2039292 steps, saw 807929 distinct states, run finished after 3001 ms. (steps per millisecond=679 ) properties seen :1
[2026-05-23 08:33:35] [INFO ] Invariant cache hit.
[2026-05-23 08:33:35] [INFO ] State equation strengthened by 21 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 60/64 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 35/99 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/99 variables, 22/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/99 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/105 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/105 variables, 4/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/105 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 31/136 variables, 30/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/136 variables, 16/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:33:36] [INFO ] Deduced a trap composed of 10 places in 69 ms of which 7 ms to minimize.
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 136/136 variables, and 87 constraints, problems are : Problem set: 1 solved, 0 unsolved in 196 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 63/63 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 202ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[9]
Ending property specific reduction for DBSingleClientW-PT-d0m09-UpperBounds-02 in 20598 ms.
[2026-05-23 08:33:36] [INFO ] Flatten gal took : 23 ms
[2026-05-23 08:33:36] [INFO ] Applying decomposition
[2026-05-23 08:33:36] [INFO ] Flatten gal took : 15 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/graph10948673659726980709.txt' '-o' '/tmp/graph10948673659726980709.bin' '-w' '/tmp/graph10948673659726980709.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10948673659726980709.bin' '-l' '-1' '-v' '-w' '/tmp/graph10948673659726980709.weights' '-q' '0' '-e' '0.001'
[2026-05-23 08:33:36] [INFO ] Decomposing Gal with order
[2026-05-23 08:33:36] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 08:33:36] [INFO ] Removed a total of 60 redundant transitions.
[2026-05-23 08:33:36] [INFO ] Flatten gal took : 99 ms
[2026-05-23 08:33:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 38 labels/synchronizations in 18 ms.
[2026-05-23 08:33:36] [INFO ] Time to serialize gal into /tmp/UpperBounds545486771874030884.gal : 9 ms
[2026-05-23 08:33:36] [INFO ] Time to serialize properties into /tmp/UpperBounds5235064299677611915.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/UpperBounds545486771874030884.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds5235064299677611915.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 ...282
Loading property file /tmp/UpperBounds5235064299677611915.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,2.56435e+07,100.28,1085368,2608,1259,495696,357903,259,1.01709e+07,97,2.37035e+06,0
Total reachable state count : 25643484

Verifying 1 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 6
Bounds property DBSingleClientW-PT-d0m09-UpperBounds-02 :0 <= i4.u11.l490 <= 6
FORMULA DBSingleClientW-PT-d0m09-UpperBounds-02 6 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-d0m09-UpperBounds-02,0,101.001,1085368,1,0,495696,357903,340,1.01709e+07,123,2.37035e+06,1844
Total runtime 151979 ms.

BK_STOP 1779525318019

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DBSingleClientW-PT-d0m09"
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-d0m09, 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-177946996300016"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d0m09.tgz
mv DBSingleClientW-PT-d0m09 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;