fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r265-tall-174931349800076
Last Updated
June 24, 2025

About the Execution of 2024-gold for ZombiesAndSurvivors-PT-Heawood381515

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
15685.070 32202.00 41780.00 218.00 30 15 15 15 30 15 15 15 15 30 15 15 15 30 30 30 normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r265-tall-174931349800076.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool gold2024
Input is ZombiesAndSurvivors-PT-Heawood381515, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r265-tall-174931349800076
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 608K
-rw-r--r-- 1 mcc users 12K Jun 6 09:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 116K Jun 6 09:12 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Jun 6 09:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Jun 6 09:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.2K Jun 6 12:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Jun 6 12:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.3K Jun 6 12:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 12:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 12K Jun 6 09:13 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 89K Jun 6 09:13 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Jun 6 09:12 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Jun 6 09:12 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Jun 6 12:23 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Jun 6 12:23 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 14 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 137K Jun 5 20:08 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 ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-00
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-01
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-02
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-03
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-04
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-05
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-06
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-07
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-08
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-09
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-10
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-11
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-12
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-13
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-14
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1749319222245

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ZombiesAndSurvivors-PT-Heawood381515
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2025-06-07 18:00:23] [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]
[2025-06-07 18:00:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 18:00:23] [INFO ] Load time of PNML (sax parser for PT used): 67 ms
[2025-06-07 18:00:23] [INFO ] Transformed 76 places.
[2025-06-07 18:00:23] [INFO ] Transformed 304 transitions.
[2025-06-07 18:00:23] [INFO ] Parsed PT model containing 76 places and 304 transitions and 684 arcs in 157 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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 304 rows 76 cols
[2025-06-07 18:00:23] [INFO ] Computed 0 invariants in 20 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 10004 steps (2 resets) in 19 ms. (500 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 112 ms. (1416 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[14, 14, 15, 15, 2, 15, 14, 14, 14, 14, 15, 14, 14, 15, 2, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-07 18:00:23] [INFO ] Invariant cache hit.
[2025-06-07 18:00:24] [INFO ] [Real]Absence check using state equation in 90 ms returned sat
[2025-06-07 18:00:24] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 18:00:24] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2025-06-07 18:00:24] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-07 18:00:24] [INFO ] [Nat]Added 74 Read/Feed constraints in 18 ms returned sat
[2025-06-07 18:00:24] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 34 ms.
[2025-06-07 18:00:24] [INFO ] Added : 73 causal constraints over 21 iterations in 492 ms. Result :sat
Minimization took 503 ms.
[2025-06-07 18:00:25] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2025-06-07 18:00:25] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 18:00:25] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2025-06-07 18:00:25] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-07 18:00:26] [INFO ] [Nat]Added 74 Read/Feed constraints in 1010 ms returned unknown
[2025-06-07 18:00:26] [INFO ] [Real]Absence check using state equation in 44 ms returned unsat
[2025-06-07 18:00:26] [INFO ] [Real]Absence check using state equation in 46 ms returned unsat
[2025-06-07 18:00:26] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2025-06-07 18:00:26] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 18:00:26] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2025-06-07 18:00:26] [INFO ] [Nat]Added 74 Read/Feed constraints in 11 ms returned sat
[2025-06-07 18:00:26] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 18 ms.
[2025-06-07 18:00:26] [INFO ] Added : 20 causal constraints over 5 iterations in 116 ms. Result :sat
Minimization took 502 ms.
[2025-06-07 18:00:27] [INFO ] [Real]Absence check using state equation in 50 ms returned unsat
[2025-06-07 18:00:27] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2025-06-07 18:00:27] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 18:00:27] [INFO ] [Nat]Absence check using state equation in 99 ms returned sat
[2025-06-07 18:00:27] [INFO ] [Nat]Added 74 Read/Feed constraints in 41 ms returned sat
[2025-06-07 18:00:27] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 20 ms.
[2025-06-07 18:00:27] [INFO ] Added : 50 causal constraints over 12 iterations in 217 ms. Result :sat
Minimization took 94 ms.
[2025-06-07 18:00:28] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2025-06-07 18:00:28] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 18:00:28] [INFO ] [Nat]Absence check using state equation in 91 ms returned sat
[2025-06-07 18:00:28] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-07 18:00:29] [INFO ] [Nat]Added 74 Read/Feed constraints in 1005 ms returned unknown
[2025-06-07 18:00:29] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2025-06-07 18:00:29] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 18:00:29] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2025-06-07 18:00:29] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-07 18:00:30] [INFO ] [Nat]Added 74 Read/Feed constraints in 1015 ms returned unknown
[2025-06-07 18:00:30] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2025-06-07 18:00:30] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 18:00:30] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2025-06-07 18:00:30] [INFO ] [Nat]Added 74 Read/Feed constraints in 32 ms returned sat
[2025-06-07 18:00:30] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 24 ms.
[2025-06-07 18:00:31] [INFO ] Added : 89 causal constraints over 21 iterations in 432 ms. Result :sat
Minimization took 501 ms.
[2025-06-07 18:00:31] [INFO ] [Real]Absence check using state equation in 40 ms returned unsat
[2025-06-07 18:00:31] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-06-07 18:00:31] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 18:00:31] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2025-06-07 18:00:31] [INFO ] [Nat]Added 74 Read/Feed constraints in 47 ms returned sat
[2025-06-07 18:00:31] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 22 ms.
[2025-06-07 18:00:32] [INFO ] Added : 68 causal constraints over 15 iterations in 288 ms. Result :sat
Minimization took 97 ms.
[2025-06-07 18:00:32] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2025-06-07 18:00:32] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 18:00:32] [INFO ] [Nat]Absence check using state equation in 566 ms returned sat
[2025-06-07 18:00:33] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-07 18:00:33] [INFO ] [Nat]Added 74 Read/Feed constraints in 1014 ms returned unknown
[2025-06-07 18:00:34] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2025-06-07 18:00:34] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 18:00:34] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2025-06-07 18:00:34] [INFO ] [Nat]Added 74 Read/Feed constraints in 23 ms returned sat
[2025-06-07 18:00:34] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 21 ms.
[2025-06-07 18:00:35] [INFO ] Added : 140 causal constraints over 39 iterations in 910 ms. Result :sat
Minimization took 331 ms.
[2025-06-07 18:00:35] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2025-06-07 18:00:35] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 18:00:35] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2025-06-07 18:00:35] [INFO ] [Nat]Added 74 Read/Feed constraints in 18 ms returned sat
[2025-06-07 18:00:35] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 19 ms.
[2025-06-07 18:00:35] [INFO ] Added : 56 causal constraints over 17 iterations in 350 ms. Result :sat
Minimization took 358 ms.
[2025-06-07 18:00:36] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2025-06-07 18:00:36] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 18:00:36] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2025-06-07 18:00:36] [INFO ] [Nat]Added 74 Read/Feed constraints in 41 ms returned sat
[2025-06-07 18:00:36] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 17 ms.
[2025-06-07 18:00:36] [INFO ] Added : 29 causal constraints over 7 iterations in 139 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[14, 14, 15, 15, 2, 15, 14, 14, 14, 14, 15, 14, 14, 15, 2, 14] Max Struct:[+inf, +inf, 15, 15, +inf, 15, +inf, +inf, +inf, +inf, 15, +inf, +inf, +inf, +inf, +inf]
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-10 15 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-05 15 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-03 15 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-02 15 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[14, 14, 5, 15, 14, 14, 19, 15, 14, 30, 30, 19] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 12 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 304/304 transitions.
Graph (trivial) has 110 edges and 76 vertex of which 63 / 76 are part of one of the 8 SCC in 2 ms
Free SCC test removed 55 places
Drop transitions (Empty/Sink Transition effects.) removed 112 transitions
Ensure Unique test removed 74 transitions
Reduce isomorphic transitions removed 186 transitions.
Reduce isomorphic (modulo) transitions removed 4 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 9 place count 21 transition count 106
Applied a total of 9 rules in 29 ms. Remains 21 /76 variables (removed 55) and now considering 106/304 (removed 198) transitions.
Running 95 sub problems to find dead transitions.
[2025-06-07 18:00:37] [INFO ] Flow matrix only has 101 transitions (discarded 5 similar events)
// Phase 1: matrix 101 rows 21 cols
[2025-06-07 18:00:37] [INFO ] Computed 0 invariants in 3 ms
[2025-06-07 18:00:37] [INFO ] State equation strengthened by 19 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 1 (OVERLAPS) 101/122 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 19/40 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/122 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 4 (OVERLAPS) 0/122 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 95 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 40 constraints, problems are : Problem set: 0 solved, 95 unsolved in 852 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 95/95 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 95 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 1 (OVERLAPS) 101/122 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 19/40 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/122 variables, 95/135 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/122 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 5 (OVERLAPS) 0/122 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 95 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 135 constraints, problems are : Problem set: 0 solved, 95 unsolved in 1598 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 95/95 constraints, Known Traps: 0/0 constraints]
After SMT, in 2517ms problems are : Problem set: 0 solved, 95 unsolved
Search for dead transitions found 0 dead transitions in 2526ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2568 ms. Remains : 21/76 places, 106/304 transitions.
[2025-06-07 18:00:40] [INFO ] Flow matrix only has 101 transitions (discarded 5 similar events)
When looking for a positive semi flow solution, solver replied unsat
[2025-06-07 18:00:40] [INFO ] Flow matrix only has 101 transitions (discarded 5 similar events)
[2025-06-07 18:00:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[14, 14, 5, 15, 14, 14, 19, 15, 14, 30, 30, 19] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 281 ms. (3546 steps per ms)
BEST_FIRST walk for 12000010 steps (24 resets) in 1863 ms. (6437 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[29, 15, 30, 15, 15, 15, 29, 15, 15, 30, 30, 30] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-07 18:00:42] [INFO ] Flow matrix only has 101 transitions (discarded 5 similar events)
[2025-06-07 18:00:42] [INFO ] Invariant cache hit.
[2025-06-07 18:00:42] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 18:00:42] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 18:00:42] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-07 18:00:42] [INFO ] State equation strengthened by 19 read => feed constraints.
[2025-06-07 18:00:46] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-07 18:00:51] [INFO ] [Nat]Added 19 Read/Feed constraints in 9003 ms returned unknown
[2025-06-07 18:00:51] [INFO ] [Real]Absence check using state equation in 13 ms returned unsat
[2025-06-07 18:00:51] [INFO ] [Real]Absence check using state equation in 12 ms returned unsat
[2025-06-07 18:00:51] [INFO ] [Real]Absence check using state equation in 15 ms returned unsat
[2025-06-07 18:00:51] [INFO ] [Real]Absence check using state equation in 14 ms returned unsat
[2025-06-07 18:00:51] [INFO ] [Real]Absence check using state equation in 15 ms returned unsat
[2025-06-07 18:00:51] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-07 18:00:51] [INFO ] Solution in real domain found non-integer solution.
[2025-06-07 18:00:51] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-07 18:00:53] [INFO ] [Nat]Added 19 Read/Feed constraints in 1882 ms returned sat
[2025-06-07 18:00:53] [INFO ] Computed and/alt/rep : 79/337/79 causal constraints (skipped 11 transitions) in 5 ms.
[2025-06-07 18:00:53] [INFO ] Added : 31 causal constraints over 7 iterations in 45 ms. Result :sat
Minimization took 20 ms.
[2025-06-07 18:00:53] [INFO ] [Real]Absence check using state equation in 14 ms returned unsat
[2025-06-07 18:00:53] [INFO ] [Real]Absence check using state equation in 16 ms returned unsat
[2025-06-07 18:00:53] [INFO ] [Real]Absence check using state equation in 14 ms returned unsat
[2025-06-07 18:00:53] [INFO ] [Real]Absence check using state equation in 13 ms returned unsat
[2025-06-07 18:00:53] [INFO ] [Real]Absence check using state equation in 13 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[29, 15, 30, 15, 15, 15, 29, 15, 15, 30, 30, 30] Max Struct:[+inf, 15, 30, 15, 15, 15, +inf, 15, 15, 30, 30, 30]
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-15 30 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-14 30 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-13 30 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-12 15 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-11 15 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-08 15 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-07 15 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-06 15 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-04 30 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-01 15 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[29, 30] Max Struct:[+inf, +inf]
Support contains 2 out of 21 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 21/21 places, 106/106 transitions.
Graph (trivial) has 34 edges and 21 vertex of which 18 / 21 are part of one of the 2 SCC in 0 ms
Free SCC test removed 16 places
Drop transitions (Empty/Sink Transition effects.) removed 58 transitions
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 84 transitions.
Reduce isomorphic (modulo) transitions removed 4 transitions.
Applied a total of 1 rules in 2 ms. Remains 5 /21 variables (removed 16) and now considering 18/106 (removed 88) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 5/21 places, 18/106 transitions.
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 18 rows 5 cols
[2025-06-07 18:00:53] [INFO ] Computed 0 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[29, 30] Max Struct:[+inf, +inf]
RANDOM walk for 1000026 steps (2 resets) in 79 ms. (12500 steps per ms)
BEST_FIRST walk for 2000001 steps (4 resets) in 284 ms. (7017 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[30, 30] Max Struct:[+inf, +inf]
[2025-06-07 18:00:54] [INFO ] Invariant cache hit.
[2025-06-07 18:00:54] [INFO ] [Real]Absence check using state equation in 3 ms returned unsat
[2025-06-07 18:00:54] [INFO ] [Real]Absence check using state equation in 4 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[30, 30] Max Struct:[30, 30]
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-09 30 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-00 30 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 5 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 )
[2025-06-07 18:00:54] [INFO ] Flatten gal took : 19 ms
[2025-06-07 18:00:54] [INFO ] Flatten gal took : 5 ms
[2025-06-07 18:00:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15353887317921170737.gal : 4 ms
[2025-06-07 18:00:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9443130511546356651.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15353887317921170737.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9443130511546356651.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 30970 ms.

BK_STOP 1749319254447

--------------------
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
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /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="ZombiesAndSurvivors-PT-Heawood381515"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is ZombiesAndSurvivors-PT-Heawood381515, 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 r265-tall-174931349800076"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ZombiesAndSurvivors-PT-Heawood381515.tgz
mv ZombiesAndSurvivors-PT-Heawood381515 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 ;