fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r254-tall-174931340200605
Last Updated
June 24, 2025

About the Execution of ITS-Tools for ZombiesAndSurvivors-PT-Heawood381515

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 31026.00 0.00 0.00 30 15 15 15 30 15 15 15 15 30 15 15 15 30 30 30 normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r254-tall-174931340200605.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-Heawood381515, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r254-tall-174931340200605
=====================================================================

--------------------
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 1749423994066

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-Heawood381515
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-08 23:06:35] [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 23:06:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-08 23:06:35] [INFO ] Load time of PNML (sax parser for PT used): 68 ms
[2025-06-08 23:06:35] [INFO ] Transformed 76 places.
[2025-06-08 23:06:35] [INFO ] Transformed 304 transitions.
[2025-06-08 23:06:35] [INFO ] Parsed PT model containing 76 places and 304 transitions and 684 arcs in 149 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, 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
[2025-06-08 23:06:35] [INFO ] Computed 0 invariants in 12 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 10009 steps (2 resets) in 16 ms. (588 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 127 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[26, 14, 15, 15, 26, 15, 13, 14, 14, 14, 14, 15, 14, 15, 26, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-08 23:06:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 23:06:35] [INFO ] [Real]Absence check using state equation in 100 ms returned sat
[2025-06-08 23:06:35] [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 23:06:36] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2025-06-08 23:06:36] [INFO ] State equation strengthened by 74 read => feed constraints.
[2025-06-08 23:06:36] [INFO ] [Nat]Added 74 Read/Feed constraints in 79 ms returned sat
[2025-06-08 23:06:36] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 25 ms.
[2025-06-08 23:06:37] [INFO ] Added : 49 causal constraints over 13 iterations in 1686 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 23:06:37] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2025-06-08 23:06:37] [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 23:06:38] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2025-06-08 23:06:38] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-08 23:06:39] [INFO ] [Nat]Added 74 Read/Feed constraints in 1010 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 23:06:39] [INFO ] [Real]Absence check using state equation in 43 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 23:06:39] [INFO ] [Real]Absence check using state equation in 45 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 23:06:39] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2025-06-08 23:06:39] [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 23:06:39] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2025-06-08 23:06:39] [INFO ] [Nat]Added 74 Read/Feed constraints in 74 ms returned sat
[2025-06-08 23:06:39] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 19 ms.
[2025-06-08 23:06:41] [INFO ] Added : 146 causal constraints over 44 iterations in 1874 ms. Result :sat
Minimization took 504 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 23:06:41] [INFO ] [Real]Absence check using state equation in 44 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 23:06:41] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2025-06-08 23:06:41] [INFO ] [Real]Added 74 Read/Feed constraints in 18 ms returned sat
[2025-06-08 23:06:41] [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 23:06:42] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2025-06-08 23:06:42] [INFO ] [Nat]Added 74 Read/Feed constraints in 13 ms returned sat
[2025-06-08 23:06:42] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 15 ms.
[2025-06-08 23:06:43] [INFO ] Added : 49 causal constraints over 10 iterations in 1166 ms. Result :sat
Minimization took 114 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 23:06:43] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2025-06-08 23:06:43] [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 23:06:43] [INFO ] [Nat]Absence check using state equation in 112 ms returned sat
[2025-06-08 23:06:43] [INFO ] [Nat]Added 74 Read/Feed constraints in 180 ms returned sat
[2025-06-08 23:06:43] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 16 ms.
[2025-06-08 23:06:44] [INFO ] Added : 72 causal constraints over 15 iterations in 265 ms. Result :sat
Minimization took 118 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 23:06:44] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2025-06-08 23:06:44] [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 23:06:44] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2025-06-08 23:06:44] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-08 23:06:45] [INFO ] [Nat]Added 74 Read/Feed constraints in 1014 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 23:06:45] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2025-06-08 23:06:45] [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 23:06:45] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2025-06-08 23:06:45] [INFO ] [Nat]Added 74 Read/Feed constraints in 103 ms returned sat
[2025-06-08 23:06:45] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 16 ms.
[2025-06-08 23:06:46] [INFO ] Added : 132 causal constraints over 36 iterations in 1120 ms. Result :sat
Minimization took 505 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 23:06:47] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2025-06-08 23:06:47] [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 23:06:47] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2025-06-08 23:06:47] [INFO ] [Nat]Added 74 Read/Feed constraints in 40 ms returned sat
[2025-06-08 23:06:47] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 18 ms.
[2025-06-08 23:06:47] [INFO ] Added : 13 causal constraints over 3 iterations in 90 ms. Result :sat
Minimization took 91 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 23:06:47] [INFO ] [Real]Absence check using state equation in 53 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 23:06:47] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2025-06-08 23:06:47] [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 23:06:47] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2025-06-08 23:06:48] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-08 23:06:48] [INFO ] [Nat]Added 74 Read/Feed constraints in 1012 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 23:06:48] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2025-06-08 23:06:48] [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 23:06:49] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2025-06-08 23:06:49] [INFO ] [Nat]Added 74 Read/Feed constraints in 63 ms returned sat
[2025-06-08 23:06:49] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 19 ms.
[2025-06-08 23:06:49] [INFO ] Added : 42 causal constraints over 9 iterations in 233 ms. Result :sat
Minimization took 505 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 23:06:49] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2025-06-08 23:06:49] [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 23:06:50] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2025-06-08 23:06:50] [INFO ] [Nat]Added 74 Read/Feed constraints in 76 ms returned sat
[2025-06-08 23:06:50] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 16 ms.
[2025-06-08 23:06:50] [INFO ] Added : 25 causal constraints over 6 iterations in 271 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-08 23:06:50] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2025-06-08 23:06:50] [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 23:06:51] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2025-06-08 23:06:51] [INFO ] [Nat]Added 74 Read/Feed constraints in 77 ms returned sat
[2025-06-08 23:06:51] [INFO ] Computed and/alt/rep : 298/1258/298 causal constraints (skipped 0 transitions) in 16 ms.
[2025-06-08 23:06:51] [INFO ] Added : 43 causal constraints over 10 iterations in 216 ms. Result :sat
Minimization took 502 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[26, 14, 15, 15, 26, 15, 13, 14, 14, 14, 14, 15, 14, 15, 26, 14] Max Struct:[+inf, +inf, 15, 15, +inf, 15, +inf, +inf, +inf, +inf, +inf, 15, +inf, +inf, +inf, +inf]
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-11 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:[27, 14, 26, 15, 15, 14, 14, 15, 14, 15, 27, 14] 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 76 transitions
Reduce isomorphic transitions removed 188 transitions.
Reduce isomorphic (modulo) transitions removed 2 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 24 ms. Remains 21 /76 variables (removed 55) and now considering 106/304 (removed 198) transitions.
Running 97 sub problems to find dead transitions.
[2025-06-08 23:06:52] [INFO ] Flow matrix only has 101 transitions (discarded 5 similar events)
// Phase 1: matrix 101 rows 21 cols
[2025-06-08 23:06:52] [INFO ] Computed 0 invariants in 1 ms
[2025-06-08 23:06:52] [INFO ] State equation strengthened by 19 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 1 (OVERLAPS) 101/122 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 19/40 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/122 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (OVERLAPS) 0/122 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 40 constraints, problems are : Problem set: 0 solved, 97 unsolved in 1859 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 97/97 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 97 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/21 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 1 (OVERLAPS) 101/122 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 19/40 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/122 variables, 97/137 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/122 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 97 unsolved
At refinement iteration 5 (OVERLAPS) 0/122 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 97 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 137 constraints, problems are : Problem set: 0 solved, 97 unsolved in 8001 ms.
Refiners :[State Equation: 21/21 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 97/97 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9913ms problems are : Problem set: 0 solved, 97 unsolved
Search for dead transitions found 0 dead transitions in 9922ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9958 ms. Remains : 21/76 places, 106/304 transitions.
[2025-06-08 23:07:02] [INFO ] Flow matrix only has 101 transitions (discarded 5 similar events)
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 23:07:02] [INFO ] Flow matrix only has 101 transitions (discarded 5 similar events)
[2025-06-08 23:07:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[27, 14, 26, 15, 15, 14, 14, 15, 14, 15, 27, 14] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 397 ms. (2512 steps per ms)
BEST_FIRST walk for 12000009 steps (24 resets) in 1970 ms. (6088 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[30, 15, 30, 15, 15, 15, 30, 15, 15, 30, 30, 30] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-06-08 23:07:04] [INFO ] Flow matrix only has 101 transitions (discarded 5 similar events)
[2025-06-08 23:07:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 23:07:04] [INFO ] [Real]Absence check using state equation in 15 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 23:07:04] [INFO ] [Real]Absence check using state equation in 16 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 23:07:04] [INFO ] [Real]Absence check using state equation in 17 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 23:07:04] [INFO ] [Real]Absence check using state equation in 15 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 23:07:04] [INFO ] [Real]Absence check using state equation in 13 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 23:07:04] [INFO ] [Real]Absence check using state equation in 13 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 23:07:04] [INFO ] [Real]Absence check using state equation in 17 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 23:07:04] [INFO ] [Real]Absence check using state equation in 16 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 23:07:04] [INFO ] [Real]Absence check using state equation in 15 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 23:07:04] [INFO ] [Real]Absence check using state equation in 13 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-08 23:07:04] [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 23:07:04] [INFO ] [Real]Absence check using state equation in 15 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[30, 15, 30, 15, 15, 15, 30, 15, 15, 30, 30, 30] Max Struct:[30, 15, 30, 15, 15, 15, 30, 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-10 15 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA ZombiesAndSurvivors-PT-Heawood381515-UpperBounds-09 30 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
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 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 23:07:05] [INFO ] Flatten gal took : 24 ms
[2025-06-08 23:07:05] [INFO ] Flatten gal took : 7 ms
[2025-06-08 23:07:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1062306104433295657.gal : 6 ms
[2025-06-08 23:07:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5032624083674144615.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/ReachabilityCardinality1062306104433295657.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5032624083674144615.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 29791 ms.

BK_STOP 1749424025092

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ 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-Heawood381515"
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-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 r254-tall-174931340200605"
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 ;