fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r159-tall-177961079800043
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for GPPP-PT-C0100N0000010000

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
686.812 33460.00 40169.00 258.20 1 10000 1 400 2 10 700 1104 700 200 10 10 200 10 396 300 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.r159-tall-177961079800043.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)
.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is GPPP-PT-C0100N0000010000, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r159-tall-177961079800043
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 8.0K Mar 7 11:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Mar 7 11:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 7 11:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 7 11:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:32 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 15 10:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 15 10:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 10:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 7 11:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 137K Mar 7 11:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 11:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 7 11:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 17 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1 Mar 3 18:30 large_marking
-rw-r--r-- 1 mcc users 21K 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 GPPP-PT-C0100N0000010000-UpperBounds-00
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-01
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-02
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-03
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-04
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-05
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-06
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-07
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-08
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-09
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-10
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-11
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-12
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-13
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-14
FORMULA_NAME GPPP-PT-C0100N0000010000-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779707344931

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=GPPP-PT-C0100N0000010000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 11:09:06] [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]
[2026-05-25 11:09:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 11:09:06] [INFO ] Load time of PNML (sax parser for PT used): 41 ms
[2026-05-25 11:09:06] [INFO ] Transformed 33 places.
[2026-05-25 11:09:06] [INFO ] Transformed 22 transitions.
[2026-05-25 11:09:06] [INFO ] Parsed PT model containing 33 places and 22 transitions and 83 arcs in 135 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 10000, 0, 0, 0, 0, 0, 0, 0, 200, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 10000, 0, 0, 0, 0, 0, 0, 0, 200, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 22 rows 33 cols
[2026-05-25 11:09:06] [INFO ] Computed 12 invariants in 12 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 10000, 0, 0, 0, 0, 0, 0, 0, 200, 0, 0, 0, 0, 0, 0] Max Struct:[1, 10000, 600, 450, 8, 700, 700, 6666, 700, 200, 700, 700, 200, 900, 600, 960600]
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-09 200 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-01 10000 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10104 steps (3 resets) in 14 ms. (673 steps per ms)
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-12 200 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-08 700 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-06 700 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 100008 steps (20 resets) in 117 ms. (847 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 400, 2, 10, 1104, 10, 8, 6, 394, 300] Max Struct:[600, 450, 8, 700, 6666, 700, 700, 900, 600, 960600]
[2026-05-25 11:09:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:09:06] [INFO ] [Real]Absence check using 6 positive place invariants in 5 ms returned sat
[2026-05-25 11:09:06] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 7 ms returned sat
[2026-05-25 11:09:06] [INFO ] [Real]Absence check using state equation in 15 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:09:06] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-25 11:09:06] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 2 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:09:06] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-25 11:09:06] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 3 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:09:06] [INFO ] [Real]Absence check using 6 positive place invariants in 8 ms returned sat
[2026-05-25 11:09:06] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 2 ms returned sat
[2026-05-25 11:09:06] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2026-05-25 11:09:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:09:06] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-25 11:09:06] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 2 ms returned sat
[2026-05-25 11:09:06] [INFO ] [Nat]Absence check using state equation in 34 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:09:06] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 2 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Real]Absence check using state equation in 18 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:09:07] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 2 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2026-05-25 11:09:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:09:07] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 5 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Nat]Absence check using state equation in 18 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:09:07] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 2 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2026-05-25 11:09:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:09:07] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 5 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2026-05-25 11:09:07] [INFO ] Computed and/alt/rep : 21/47/21 causal constraints (skipped 0 transitions) in 4 ms.
[2026-05-25 11:09:07] [INFO ] Added : 16 causal constraints over 4 iterations in 27 ms. Result :sat
Minimization took 17 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:09:07] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 2 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 11:09:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:09:07] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 3 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 11:09:07] [INFO ] Computed and/alt/rep : 21/47/21 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 11:09:07] [INFO ] Added : 17 causal constraints over 4 iterations in 23 ms. Result :sat
Minimization took 29 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:09:07] [INFO ] [Real]Absence check using 6 positive place invariants in 1 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 3 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 11:09:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:09:07] [INFO ] [Nat]Absence check using 6 positive place invariants in 1 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Nat]Absence check using 6 positive and 6 generalized place invariants in 165 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Nat]Absence check using state equation in 95 ms returned sat
[2026-05-25 11:09:07] [INFO ] Computed and/alt/rep : 21/47/21 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 11:09:07] [INFO ] Added : 10 causal constraints over 2 iterations in 22 ms. Result :sat
Minimization took 41 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 11:09:07] [INFO ] [Real]Absence check using 6 positive place invariants in 1 ms returned sat
[2026-05-25 11:09:07] [INFO ] [Real]Absence check using 6 positive and 6 generalized place invariants in 1 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1, 400, 2, 10, 1104, 10, 8, 6, 394, 300] Max Struct:[1, 400, 2, 10, 1104, 10, 700, 900, 600, 300]
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-15 300 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-10 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-07 1104 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-05 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-04 2 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-03 400 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 10, 396] Max Struct:[700, 900, 600]
Support contains 3 out of 33 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 22/22 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 31 transition count 21
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 29 transition count 20
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 28 transition count 19
Applied a total of 8 rules in 20 ms. Remains 28 /33 variables (removed 5) and now considering 19/22 (removed 3) transitions.
Running 18 sub problems to find dead transitions.
// Phase 1: matrix 19 rows 28 cols
[2026-05-25 11:09:08] [INFO ] Computed 10 invariants in 1 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/27 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 1/28 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Problem TDEAD18 is UNSAT
At refinement iteration 5 (OVERLAPS) 19/47 variables, 28/38 constraints. Problems are: Problem set: 1 solved, 17 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/47 variables, 0/38 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/47 variables, 0/38 constraints. Problems are: Problem set: 1 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 47/47 variables, and 38 constraints, problems are : Problem set: 1 solved, 17 unsolved in 195 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 28/28 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 17 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 3/3 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/26 variables, 3/6 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/26 variables, 0/6 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/27 variables, 1/7 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 2/9 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/27 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 1/28 variables, 1/10 constraints. Problems are: Problem set: 1 solved, 17 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 28/47 variables, and 10 constraints, problems are : Problem set: 1 solved, 17 unsolved in 20013 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 0/28 constraints, PredecessorRefiner: 0/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20232ms problems are : Problem set: 1 solved, 17 unsolved
Search for dead transitions found 1 dead transitions in 20239ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 1 transitions.
Starting structural reductions in REACHABILITY mode, iteration 1 : 28/33 places, 18/22 transitions.
Graph (complete) has 68 edges and 28 vertex of which 27 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 4 ms. Remains 27 /28 variables (removed 1) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 20274 ms. Remains : 27/33 places, 18/22 transitions.
// Phase 1: matrix 18 rows 27 cols
[2026-05-25 11:09:28] [INFO ] Computed 10 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 10, 396] Max Struct:[700, 900, 600]
RANDOM walk for 1000114 steps (747 resets) in 313 ms. (3185 steps per ms)
BEST_FIRST walk for 3000002 steps (157 resets) in 1060 ms. (2827 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 10, 396] Max Struct:[700, 900, 600]
[2026-05-25 11:09:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:09:30] [INFO ] [Real]Absence check using 6 positive place invariants in 3 ms returned sat
[2026-05-25 11:09:30] [INFO ] [Real]Absence check using 6 positive and 4 generalized place invariants in 3 ms returned sat
[2026-05-25 11:09:30] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 11:09:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:09:30] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-25 11:09:30] [INFO ] [Nat]Absence check using 6 positive and 4 generalized place invariants in 333 ms returned sat
[2026-05-25 11:09:31] [INFO ] [Nat]Absence check using state equation in 1344 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:09:31] [INFO ] [Real]Absence check using 6 positive place invariants in 4 ms returned sat
[2026-05-25 11:09:31] [INFO ] [Real]Absence check using 6 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-25 11:09:31] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 11:09:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:09:31] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-25 11:09:36] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 11:09:36] [INFO ] [Nat]Absence check using 6 positive and 4 generalized place invariants in 4916 ms returned sat
[2026-05-25 11:09:38] [INFO ] [Nat]Absence check using state equation in 1245 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 11:09:38] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2026-05-25 11:09:38] [INFO ] [Real]Absence check using 6 positive and 4 generalized place invariants in 2 ms returned sat
[2026-05-25 11:09:38] [INFO ] [Real]Absence check using state equation in 8 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[10, 10, 396] Max Struct:[10, 10, 396]
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-14 396 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-13 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA GPPP-PT-C0100N0000010000-UpperBounds-11 10 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-05-25 11:09:38] [INFO ] Flatten gal took : 21 ms
[2026-05-25 11:09:38] [INFO ] Flatten gal took : 4 ms
[2026-05-25 11:09:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1783495101783025795.gal : 4 ms
[2026-05-25 11:09:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13138161588995303833.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/ReachabilityCardinality1783495101783025795.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13138161588995303833.prop' '--nowitness' '--gen-order' 'FOLLOW'

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:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 32085 ms.

BK_STOP 1779707378391

--------------------
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="GPPP-PT-C0100N0000010000"
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 GPPP-PT-C0100N0000010000, 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 r159-tall-177961079800043"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPPP-PT-C0100N0000010000.tgz
mv GPPP-PT-C0100N0000010000 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 ;