fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r254-tall-174931340200581
Last Updated
June 24, 2025

About the Execution of ITS-Tools for ZombiesAndSurvivors-PT-Heawood14600

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 10513.00 0.00 0.00 60 60 120 60 120 120 60 60 120 120 120 120 120 120 60 60 normal

Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r254-tall-174931340200581.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)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is ZombiesAndSurvivors-PT-Heawood14600, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-174931340200581
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 456K
-rw-r--r-- 1 mcc users 5.3K Jun 6 09:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 40K Jun 6 09:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Jun 6 09:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Jun 6 09:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.9K Jun 6 12:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Jun 6 12:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Jun 6 12:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Jun 6 12:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Jun 5 20:08 NewModel
-rw-r--r-- 1 mcc users 11K Jun 6 09:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 85K Jun 6 09:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Jun 6 09:16 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 94K Jun 6 09:16 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Jun 6 12:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Jun 6 12:21 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 equiv_col
-rw-r--r-- 1 mcc users 13 Jun 5 20:08 instance
-rw-r--r-- 1 mcc users 6 Jun 5 20:08 iscolored
-rw-r--r-- 1 mcc users 50K 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-Heawood14600-UpperBounds-00
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-01
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-02
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-03
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-04
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-05
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-06
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-07
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-08
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-09
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-10
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-11
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-12
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-13
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-14
FORMULA_NAME ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1749419263064

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ZombiesAndSurvivors-PT-Heawood14600
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-08 21:47:44] [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]
[2025-06-08 21:47:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-08 21:47:44] [INFO ] Load time of PNML (sax parser for PT used): 47 ms
[2025-06-08 21:47:44] [INFO ] Transformed 28 places.
[2025-06-08 21:47:44] [INFO ] Transformed 112 transitions.
[2025-06-08 21:47:44] [INFO ] Parsed PT model containing 28 places and 112 transitions and 252 arcs in 133 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 60, 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, 60, 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 112 rows 28 cols
[2025-06-08 21:47:44] [INFO ] Computed 0 invariants in 10 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 60, 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 10042 steps (2 resets) in 11 ms. (836 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 120 ms. (1322 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[60, 60, 60, 60, 60, 60, 8, 60, 68, 73, 60, 60, 60, 81, 60, 60] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-08 21:47:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:44] [INFO ] [Real]Absence check using state equation in 59 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:44] [INFO ] [Real]Absence check using state equation in 36 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:44] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-08 21:47:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:44] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-08 21:47:44] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-08 21:47:44] [INFO ] [Nat]Added 26 Read/Feed constraints in 8 ms returned sat
[2025-06-08 21:47:45] [INFO ] Computed and/alt/rep : 106/442/106 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-08 21:47:45] [INFO ] Added : 36 causal constraints over 11 iterations in 152 ms. Result :sat
Minimization took 40 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:45] [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
[2025-06-08 21:47:45] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-08 21:47:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:45] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-08 21:47:45] [INFO ] [Nat]Added 26 Read/Feed constraints in 9 ms returned sat
[2025-06-08 21:47:45] [INFO ] Computed and/alt/rep : 106/442/106 causal constraints (skipped 0 transitions) in 10 ms.
[2025-06-08 21:47:45] [INFO ] Added : 33 causal constraints over 8 iterations in 99 ms. Result :sat
Minimization took 89 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:45] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-08 21:47:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:45] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-08 21:47:45] [INFO ] [Nat]Added 26 Read/Feed constraints in 8 ms returned sat
[2025-06-08 21:47:45] [INFO ] Computed and/alt/rep : 106/442/106 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-08 21:47:45] [INFO ] Added : 31 causal constraints over 7 iterations in 66 ms. Result :sat
Minimization took 73 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:45] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-08 21:47:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:45] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-06-08 21:47:45] [INFO ] [Nat]Added 26 Read/Feed constraints in 3 ms returned sat
[2025-06-08 21:47:45] [INFO ] Computed and/alt/rep : 106/442/106 causal constraints (skipped 0 transitions) in 12 ms.
[2025-06-08 21:47:45] [INFO ] Added : 12 causal constraints over 3 iterations in 37 ms. Result :sat
Minimization took 26 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:45] [INFO ] [Real]Absence check using state equation in 20 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:46] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-08 21:47:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:46] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2025-06-08 21:47:46] [INFO ] [Nat]Added 26 Read/Feed constraints in 7 ms returned sat
[2025-06-08 21:47:46] [INFO ] Computed and/alt/rep : 106/442/106 causal constraints (skipped 0 transitions) in 10 ms.
[2025-06-08 21:47:46] [INFO ] Added : 34 causal constraints over 9 iterations in 94 ms. Result :sat
Minimization took 39 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:46] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-08 21:47:46] [INFO ] [Real]Added 26 Read/Feed constraints in 7 ms returned sat
[2025-06-08 21:47:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:46] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-08 21:47:46] [INFO ] [Nat]Added 26 Read/Feed constraints in 9 ms returned sat
[2025-06-08 21:47:46] [INFO ] Computed and/alt/rep : 106/442/106 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-08 21:47:46] [INFO ] Added : 23 causal constraints over 5 iterations in 57 ms. Result :sat
Minimization took 81 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:46] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-08 21:47:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:46] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-08 21:47:46] [INFO ] [Nat]Added 26 Read/Feed constraints in 17 ms returned sat
[2025-06-08 21:47:46] [INFO ] Computed and/alt/rep : 106/442/106 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-08 21:47:46] [INFO ] Added : 15 causal constraints over 4 iterations in 48 ms. Result :sat
Minimization took 34 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:46] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-08 21:47:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:46] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-08 21:47:46] [INFO ] [Nat]Added 26 Read/Feed constraints in 13 ms returned sat
[2025-06-08 21:47:46] [INFO ] Computed and/alt/rep : 106/442/106 causal constraints (skipped 0 transitions) in 12 ms.
[2025-06-08 21:47:46] [INFO ] Added : 21 causal constraints over 5 iterations in 48 ms. Result :sat
Minimization took 129 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:46] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-08 21:47:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:47] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-08 21:47:47] [INFO ] [Nat]Added 26 Read/Feed constraints in 13 ms returned sat
[2025-06-08 21:47:47] [INFO ] Computed and/alt/rep : 106/442/106 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-08 21:47:47] [INFO ] Added : 18 causal constraints over 4 iterations in 48 ms. Result :sat
Minimization took 25 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:47] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-08 21:47:47] [INFO ] [Real]Added 26 Read/Feed constraints in 9 ms returned sat
[2025-06-08 21:47:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:47] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2025-06-08 21:47:47] [INFO ] [Nat]Added 26 Read/Feed constraints in 9 ms returned sat
[2025-06-08 21:47:47] [INFO ] Computed and/alt/rep : 106/442/106 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-08 21:47:47] [INFO ] Added : 31 causal constraints over 7 iterations in 68 ms. Result :sat
Minimization took 47 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:47] [INFO ] [Real]Absence check using state equation in 19 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 21:47:47] [INFO ] [Real]Absence check using state equation in 15 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[60, 60, 60, 60, 60, 60, 8, 60, 68, 73, 60, 60, 60, 81, 60, 60] Max Struct:[60, 60, +inf, 60, +inf, +inf, +inf, 60, +inf, +inf, +inf, +inf, +inf, +inf, 60, 60]
FORMULA ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-15 60 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-14 60 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-07 60 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-03 60 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-01 60 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-00 60 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[120, 117, 120, 60, 120, 118, 120, 120, 120, 120] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 112/112 transitions.
Graph (trivial) has 26 edges and 28 vertex of which 15 / 28 are part of one of the 2 SCC in 1 ms
Free SCC test removed 13 places
Drop transitions (Empty/Sink Transition effects.) removed 38 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 42 transitions.
Applied a total of 1 rules in 19 ms. Remains 15 /28 variables (removed 13) and now considering 70/112 (removed 42) transitions.
Running 63 sub problems to find dead transitions.
Normalized transition count is 68 out of 70 initially.
// Phase 1: matrix 68 rows 15 cols
[2025-06-08 21:47:48] [INFO ] Computed 0 invariants in 3 ms
[2025-06-08 21:47:48] [INFO ] State equation strengthened by 13 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (OVERLAPS) 69/83 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 13/27 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/83 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (OVERLAPS) 2/85 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/85 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (OVERLAPS) 0/85 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Real declared 85/85 variables, and 28 constraints, problems are : Problem set: 0 solved, 63 unsolved in 1548 ms.
Refiners :[State Equation: 15/15 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (OVERLAPS) 69/83 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 13/27 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/83 variables, 32/59 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (OVERLAPS) 2/85 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 31/91 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (OVERLAPS) 0/85 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Int declared 85/85 variables, and 91 constraints, problems are : Problem set: 0 solved, 63 unsolved in 1390 ms.
Refiners :[State Equation: 15/15 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3008ms problems are : Problem set: 0 solved, 63 unsolved
Search for dead transitions found 0 dead transitions in 3016ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3046 ms. Remains : 15/28 places, 70/112 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-06-08 21:47:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[120, 117, 120, 60, 120, 118, 120, 120, 120, 120] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000006 steps (2 resets) in 112 ms. (8849 steps per ms)
BEST_FIRST walk for 10000010 steps (20 resets) in 1681 ms. (5945 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[120, 120, 120, 60, 120, 120, 120, 120, 120, 120] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-08 21:47:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 21:47:52] [INFO ] [Real]Absence check using state equation in 14 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 21:47:52] [INFO ] [Real]Absence check using state equation in 12 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 21:47:53] [INFO ] [Real]Absence check using state equation in 14 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 21:47:53] [INFO ] [Real]Absence check using state equation in 10 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 21:47:53] [INFO ] [Real]Absence check using state equation in 11 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 21:47:53] [INFO ] [Real]Absence check using state equation in 11 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 21:47:53] [INFO ] [Real]Absence check using state equation in 10 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 21:47:53] [INFO ] [Real]Absence check using state equation in 9 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 21:47:53] [INFO ] [Real]Absence check using state equation in 10 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 21:47:53] [INFO ] [Real]Absence check using state equation in 14 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[120, 120, 120, 60, 120, 120, 120, 120, 120, 120] Max Struct:[120, 120, 120, 60, 120, 120, 120, 120, 120, 120]
FORMULA ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-13 120 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-12 120 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-11 120 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-10 120 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-09 120 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-08 120 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-06 60 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-05 120 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-04 120 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood14600-UpperBounds-02 120 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 )
[2025-06-08 21:47:53] [INFO ] Flatten gal took : 28 ms
[2025-06-08 21:47:53] [INFO ] Flatten gal took : 7 ms
[2025-06-08 21:47:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7765301734784136208.gal : 5 ms
[2025-06-08 21:47:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15356180048449987919.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/ReachabilityCardinality7765301734784136208.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15356180048449987919.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 9300 ms.

BK_STOP 1749419273577

--------------------
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="ZombiesAndSurvivors-PT-Heawood14600"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 itstools"
echo " Input is ZombiesAndSurvivors-PT-Heawood14600, 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 r254-tall-174931340200581"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ZombiesAndSurvivors-PT-Heawood14600.tgz
mv ZombiesAndSurvivors-PT-Heawood14600 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 ;