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.r175-smll-177961111800013.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is IBMB2S565S3960-PT-none, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r175-smll-177961111800013
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 580K
-rw-r--r-- 1 mcc users 11K Mar 7 17:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 7 17:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 7 17:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 7 17:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 7.1K Mar 15 11:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 31K Mar 15 11:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 11:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 11:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Mar 7 17:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 104K Mar 7 17:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Mar 7 17:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Mar 7 17:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 11:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.3K Mar 15 11:01 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 127K 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 IBMB2S565S3960-PT-none-UpperBounds-00
FORMULA_NAME IBMB2S565S3960-PT-none-UpperBounds-01
FORMULA_NAME IBMB2S565S3960-PT-none-UpperBounds-02
FORMULA_NAME IBMB2S565S3960-PT-none-UpperBounds-03
FORMULA_NAME IBMB2S565S3960-PT-none-UpperBounds-04
FORMULA_NAME IBMB2S565S3960-PT-none-UpperBounds-05
FORMULA_NAME IBMB2S565S3960-PT-none-UpperBounds-06
FORMULA_NAME IBMB2S565S3960-PT-none-UpperBounds-07
FORMULA_NAME IBMB2S565S3960-PT-none-UpperBounds-08
FORMULA_NAME IBMB2S565S3960-PT-none-UpperBounds-09
FORMULA_NAME IBMB2S565S3960-PT-none-UpperBounds-10
FORMULA_NAME IBMB2S565S3960-PT-none-UpperBounds-11
FORMULA_NAME IBMB2S565S3960-PT-none-UpperBounds-12
FORMULA_NAME IBMB2S565S3960-PT-none-UpperBounds-13
FORMULA_NAME IBMB2S565S3960-PT-none-UpperBounds-14
FORMULA_NAME IBMB2S565S3960-PT-none-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779735662108

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=IBMB2S565S3960-PT-none
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 19:01:04] [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 19:01:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 19:01:05] [INFO ] Load time of PNML (sax parser for PT used): 152 ms
[2026-05-25 19:01:05] [INFO ] Transformed 273 places.
[2026-05-25 19:01:05] [INFO ] Transformed 179 transitions.
[2026-05-25 19:01:05] [INFO ] Parsed PT model containing 273 places and 179 transitions and 572 arcs in 402 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 15 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 179 rows 273 cols
[2026-05-25 19:01:05] [INFO ] Computed 101 invariants in 39 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:[7, 100, 100, 100, 3, 100, 100, 100, 100, 7, 300, 100, 100, 100, 100, +inf]
RANDOM walk for 10000 steps (39 resets) in 49 ms. (200 steps per ms)
BEST_FIRST walk for 160014 steps (104 resets) in 377 ms. (423 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 7, 5, 0, 1, 7, 2, 4, 2, 1, 0, 1, 1, 7, 5, 5] Max Struct:[7, 100, 100, 100, 3, 100, 100, 100, 100, 7, 300, 100, 100, 100, 100, +inf]
[2026-05-25 19:01:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:01:06] [INFO ] [Real]Absence check using 2 positive place invariants in 18 ms returned sat
[2026-05-25 19:01:06] [INFO ] [Real]Absence check using 2 positive and 99 generalized place invariants in 92 ms returned sat
[2026-05-25 19:01:06] [INFO ] [Real]Absence check using state equation in 270 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:01:06] [INFO ] [Real]Absence check using 2 positive place invariants in 20 ms returned sat
[2026-05-25 19:01:06] [INFO ] [Real]Absence check using 2 positive and 99 generalized place invariants in 56 ms returned sat
[2026-05-25 19:01:07] [INFO ] [Real]Absence check using state equation in 346 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:01:07] [INFO ] [Real]Absence check using 2 positive place invariants in 13 ms returned sat
[2026-05-25 19:01:07] [INFO ] [Real]Absence check using 2 positive and 99 generalized place invariants in 51 ms returned sat
[2026-05-25 19:01:07] [INFO ] [Real]Absence check using state equation in 217 ms returned sat
[2026-05-25 19:01:07] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 74 ms.
[2026-05-25 19:01:08] [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 19:01:08] [INFO ] [Nat]Absence check using 2 positive place invariants in 8 ms returned sat
[2026-05-25 19:01:08] [INFO ] [Nat]Absence check using 2 positive and 99 generalized place invariants in 50 ms returned sat
[2026-05-25 19:01:08] [INFO ] [Nat]Absence check using state equation in 218 ms returned sat
[2026-05-25 19:01:08] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 64 ms.
[2026-05-25 19:01:09] [INFO ] Added : 37 causal constraints over 8 iterations in 397 ms. Result :sat
Minimization took 105 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:01:09] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-25 19:01:09] [INFO ] [Real]Absence check using 2 positive and 99 generalized place invariants in 28 ms returned sat
[2026-05-25 19:01:09] [INFO ] [Real]Absence check using state equation in 182 ms returned sat
[2026-05-25 19:01:09] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 45 ms.
[2026-05-25 19:01:09] [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 19:01:09] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-25 19:01:09] [INFO ] [Nat]Absence check using 2 positive and 99 generalized place invariants in 27 ms returned sat
[2026-05-25 19:01:10] [INFO ] [Nat]Absence check using state equation in 113 ms returned sat
[2026-05-25 19:01:10] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 25 ms.
[2026-05-25 19:01:10] [INFO ] Added : 134 causal constraints over 27 iterations in 815 ms. Result :sat
Minimization took 359 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:01:11] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2026-05-25 19:01:11] [INFO ] [Real]Absence check using 2 positive and 99 generalized place invariants in 48 ms returned sat
[2026-05-25 19:01:11] [INFO ] [Real]Absence check using state equation in 151 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:01:11] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2026-05-25 19:01:11] [INFO ] [Real]Absence check using 2 positive and 99 generalized place invariants in 43 ms returned sat
[2026-05-25 19:01:11] [INFO ] [Real]Absence check using state equation in 186 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:01:12] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2026-05-25 19:01:12] [INFO ] [Real]Absence check using 2 positive and 99 generalized place invariants in 36 ms returned sat
[2026-05-25 19:01:12] [INFO ] [Real]Absence check using state equation in 186 ms returned sat
[2026-05-25 19:01:12] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 26 ms.
[2026-05-25 19:01:12] [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 19:01:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 7 ms returned sat
[2026-05-25 19:01:12] [INFO ] [Nat]Absence check using 2 positive and 99 generalized place invariants in 47 ms returned sat
[2026-05-25 19:01:13] [INFO ] [Nat]Absence check using state equation in 182 ms returned sat
[2026-05-25 19:01:13] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 27 ms.
[2026-05-25 19:01:13] [INFO ] Added : 114 causal constraints over 24 iterations in 619 ms. Result :sat
Minimization took 246 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:01:14] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2026-05-25 19:01:14] [INFO ] [Real]Absence check using 2 positive and 99 generalized place invariants in 46 ms returned sat
[2026-05-25 19:01:14] [INFO ] [Real]Absence check using state equation in 181 ms returned sat
[2026-05-25 19:01:14] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 25 ms.
[2026-05-25 19:01:14] [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 19:01:14] [INFO ] [Nat]Absence check using 2 positive place invariants in 7 ms returned sat
[2026-05-25 19:01:14] [INFO ] [Nat]Absence check using 2 positive and 99 generalized place invariants in 41 ms returned sat
[2026-05-25 19:01:14] [INFO ] [Nat]Absence check using state equation in 163 ms returned sat
[2026-05-25 19:01:14] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 19 ms.
[2026-05-25 19:01:15] [INFO ] Added : 119 causal constraints over 24 iterations in 662 ms. Result :sat
Minimization took 288 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:01:16] [INFO ] [Real]Absence check using 2 positive place invariants in 9 ms returned sat
[2026-05-25 19:01:16] [INFO ] [Real]Absence check using 2 positive and 99 generalized place invariants in 36 ms returned sat
[2026-05-25 19:01:16] [INFO ] [Real]Absence check using state equation in 140 ms returned sat
[2026-05-25 19:01:16] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 25 ms.
[2026-05-25 19:01:16] [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 19:01:16] [INFO ] [Nat]Absence check using 2 positive place invariants in 7 ms returned sat
[2026-05-25 19:01:16] [INFO ] [Nat]Absence check using 2 positive and 99 generalized place invariants in 44 ms returned sat
[2026-05-25 19:01:17] [INFO ] [Nat]Absence check using state equation in 173 ms returned sat
[2026-05-25 19:01:17] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 19 ms.
[2026-05-25 19:01:17] [INFO ] Added : 140 causal constraints over 29 iterations in 726 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:01:18] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2026-05-25 19:01:18] [INFO ] [Real]Absence check using 2 positive and 99 generalized place invariants in 59 ms returned sat
[2026-05-25 19:01:18] [INFO ] [Real]Absence check using state equation in 205 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:01:18] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2026-05-25 19:01:18] [INFO ] [Real]Absence check using 2 positive and 99 generalized place invariants in 41 ms returned sat
[2026-05-25 19:01:19] [INFO ] [Real]Absence check using state equation in 188 ms returned sat
[2026-05-25 19:01:19] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 21 ms.
[2026-05-25 19:01:19] [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 19:01:19] [INFO ] [Nat]Absence check using 2 positive place invariants in 7 ms returned sat
[2026-05-25 19:01:19] [INFO ] [Nat]Absence check using 2 positive and 99 generalized place invariants in 43 ms returned sat
[2026-05-25 19:01:19] [INFO ] [Nat]Absence check using state equation in 179 ms returned sat
[2026-05-25 19:01:19] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 22 ms.
[2026-05-25 19:01:20] [INFO ] Added : 121 causal constraints over 25 iterations in 587 ms. Result :sat
Minimization took 150 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:01:20] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2026-05-25 19:01:20] [INFO ] [Real]Absence check using 2 positive and 99 generalized place invariants in 37 ms returned sat
[2026-05-25 19:01:20] [INFO ] [Real]Absence check using state equation in 154 ms returned sat
[2026-05-25 19:01:20] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 19 ms.
[2026-05-25 19:01:21] [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 19:01:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 5 ms returned sat
[2026-05-25 19:01:21] [INFO ] [Nat]Absence check using 2 positive and 99 generalized place invariants in 27 ms returned sat
[2026-05-25 19:01:21] [INFO ] [Nat]Absence check using state equation in 114 ms returned sat
[2026-05-25 19:01:21] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 20 ms.
[2026-05-25 19:01:22] [INFO ] Added : 147 causal constraints over 30 iterations in 748 ms. Result :sat
Minimization took 169 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:01:22] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-25 19:01:22] [INFO ] [Real]Absence check using 2 positive and 99 generalized place invariants in 26 ms returned sat
[2026-05-25 19:01:22] [INFO ] [Real]Absence check using state equation in 139 ms returned sat
[2026-05-25 19:01:22] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 22 ms.
[2026-05-25 19:01:23] [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 19:01:23] [INFO ] [Nat]Absence check using 2 positive place invariants in 6 ms returned sat
[2026-05-25 19:01:23] [INFO ] [Nat]Absence check using 2 positive and 99 generalized place invariants in 43 ms returned sat
[2026-05-25 19:01:23] [INFO ] [Nat]Absence check using state equation in 174 ms returned sat
[2026-05-25 19:01:23] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 34 ms.
[2026-05-25 19:01:24] [INFO ] Added : 119 causal constraints over 24 iterations in 691 ms. Result :sat
Minimization took 297 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:01:24] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2026-05-25 19:01:24] [INFO ] [Real]Absence check using 2 positive and 99 generalized place invariants in 47 ms returned sat
[2026-05-25 19:01:24] [INFO ] [Real]Absence check using state equation in 170 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:01:24] [INFO ] [Real]Absence check using 2 positive place invariants in 8 ms returned sat
[2026-05-25 19:01:24] [INFO ] [Real]Absence check using 2 positive and 99 generalized place invariants in 47 ms returned sat
[2026-05-25 19:01:25] [INFO ] [Real]Absence check using state equation in 168 ms returned sat
[2026-05-25 19:01:25] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 20 ms.
[2026-05-25 19:01:25] [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 19:01:25] [INFO ] [Nat]Absence check using 2 positive place invariants in 6 ms returned sat
[2026-05-25 19:01:25] [INFO ] [Nat]Absence check using 2 positive and 99 generalized place invariants in 47 ms returned sat
[2026-05-25 19:01:25] [INFO ] [Nat]Absence check using state equation in 190 ms returned sat
[2026-05-25 19:01:25] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 21 ms.
[2026-05-25 19:01:26] [INFO ] Added : 60 causal constraints over 13 iterations in 357 ms. Result :sat
Minimization took 184 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 19:01:26] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2026-05-25 19:01:26] [INFO ] [Real]Absence check using 2 positive and 99 generalized place invariants in 41 ms returned sat
[2026-05-25 19:01:26] [INFO ] [Real]Absence check using state equation in 170 ms returned sat
[2026-05-25 19:01:26] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 23 ms.
[2026-05-25 19:01:26] [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 19:01:26] [INFO ] [Nat]Absence check using 2 positive place invariants in 6 ms returned sat
[2026-05-25 19:01:27] [INFO ] [Nat]Absence check using 2 positive and 99 generalized place invariants in 43 ms returned sat
[2026-05-25 19:01:27] [INFO ] [Nat]Absence check using state equation in 166 ms returned sat
[2026-05-25 19:01:27] [INFO ] Computed and/alt/rep : 178/299/178 causal constraints (skipped 0 transitions) in 19 ms.
[2026-05-25 19:01:27] [INFO ] Added : 37 causal constraints over 8 iterations in 238 ms. Result :sat
Minimization took 143 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 7, 5, 0, 1, 7, 2, 4, 2, 1, 0, 1, 1, 7, 5, 5] Max Struct:[1, 7, 100, 100, 1, 7, 100, 100, 100, 1, 300, 100, 100, 7, 100, +inf]
FORMULA IBMB2S565S3960-PT-none-UpperBounds-13 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA IBMB2S565S3960-PT-none-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA IBMB2S565S3960-PT-none-UpperBounds-05 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA IBMB2S565S3960-PT-none-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA IBMB2S565S3960-PT-none-UpperBounds-01 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA IBMB2S565S3960-PT-none-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7, 3, 7, 7, 2, 3, 7, 3, 7, 7] Max Struct:[100, 100, 100, 100, 100, 300, 100, 100, 100, +inf]
Support contains 10 out of 273 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 273/273 places, 179/179 transitions.
Graph (complete) has 415 edges and 273 vertex of which 231 are kept as prefixes of interest. Removing 42 places using SCC suffix rule.2 ms
Discarding 42 places :
Also discarding 23 output transitions
Drop transitions (Output transitions of discarded places.) removed 23 transitions
Ensure Unique test removed 82 places
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 74 transitions
Trivial Post-agglo rules discarded 74 transitions
Performed 74 trivial Post agglomeration. Transition count delta: 74
Iterating post reduction 0 with 164 rules applied. Total rules applied 165 place count 149 transition count 74
Reduce places removed 74 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 80 rules applied. Total rules applied 245 place count 75 transition count 68
Reduce places removed 3 places and 0 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 2 with 8 rules applied. Total rules applied 253 place count 72 transition count 63
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 3 with 5 rules applied. Total rules applied 258 place count 67 transition count 63
Performed 19 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 19 Pre rules applied. Total rules applied 258 place count 67 transition count 44
Deduced a syphon composed of 19 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 4 with 40 rules applied. Total rules applied 298 place count 46 transition count 44
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 303 place count 41 transition count 39
Iterating global reduction 4 with 5 rules applied. Total rules applied 308 place count 41 transition count 39
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 4 with 18 rules applied. Total rules applied 326 place count 31 transition count 31
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 327 place count 30 transition count 30
Iterating global reduction 4 with 1 rules applied. Total rules applied 328 place count 30 transition count 30
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 4 with 2 rules applied. Total rules applied 330 place count 29 transition count 29
Free-agglomeration rule applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 331 place count 29 transition count 28
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 332 place count 28 transition count 28
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 334 place count 28 transition count 28
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 335 place count 28 transition count 28
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 336 place count 27 transition count 27
Applied a total of 336 rules in 66 ms. Remains 27 /273 variables (removed 246) and now considering 27/179 (removed 152) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 79 ms. Remains : 27/273 places, 27/179 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
// Phase 1: matrix 27 rows 27 cols
[2026-05-25 19:01:28] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[7, 3, 7, 7, 2, 3, 7, 3, 7, 7] Max Struct:[100, 100, 100, 100, 100, 300, 100, 100, 100, +inf]
RANDOM walk for 1000000 steps (10526 resets) in 363 ms. (2747 steps per ms)
BEST_FIRST walk for 10000006 steps (22921 resets) in 3987 ms. (2507 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7, 3, 7, 7, 5, 3, 7, 3, 7, 7] Max Struct:[100, 100, 100, 100, 100, 300, 100, 100, 100, +inf]
[2026-05-25 19:01:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 19:01:33] [INFO ] [Real]Absence check using 0 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 19:01:33] [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
[2026-05-25 19:01:33] [INFO ] [Real]Absence check using 0 positive and 3 generalized place invariants in 2 ms returned sat
[2026-05-25 19:01:33] [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
[2026-05-25 19:01:33] [INFO ] [Real]Absence check using 0 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 19:01:33] [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
[2026-05-25 19:01:33] [INFO ] [Real]Absence check using 0 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 19:01:33] [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
[2026-05-25 19:01:33] [INFO ] [Real]Absence check using 0 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 19:01:33] [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
[2026-05-25 19:01:33] [INFO ] [Real]Absence check using 0 positive and 3 generalized place invariants in 1 ms returned sat
[2026-05-25 19:01:33] [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
[2026-05-25 19:01:33] [INFO ] [Real]Absence check using 0 positive and 3 generalized place invariants in 2 ms returned sat
[2026-05-25 19:01:33] [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
[2026-05-25 19:01:33] [INFO ] [Real]Absence check using 0 positive and 3 generalized place invariants in 2 ms returned sat
[2026-05-25 19:01:33] [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
[2026-05-25 19:01:33] [INFO ] [Real]Absence check using 0 positive and 3 generalized place invariants in 2 ms returned sat
[2026-05-25 19:01:33] [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
[2026-05-25 19:01:33] [INFO ] [Real]Absence check using 0 positive and 3 generalized place invariants in 2 ms returned sat
[2026-05-25 19:01:33] [INFO ] [Real]Absence check using state equation in 11 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[7, 3, 7, 7, 5, 3, 7, 3, 7, 7] Max Struct:[7, 3, 7, 7, 5, 3, 7, 3, 7, 7]
FORMULA IBMB2S565S3960-PT-none-UpperBounds-15 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA IBMB2S565S3960-PT-none-UpperBounds-14 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA IBMB2S565S3960-PT-none-UpperBounds-12 3 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA IBMB2S565S3960-PT-none-UpperBounds-11 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA IBMB2S565S3960-PT-none-UpperBounds-10 3 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA IBMB2S565S3960-PT-none-UpperBounds-08 5 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA IBMB2S565S3960-PT-none-UpperBounds-07 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA IBMB2S565S3960-PT-none-UpperBounds-06 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA IBMB2S565S3960-PT-none-UpperBounds-03 3 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA IBMB2S565S3960-PT-none-UpperBounds-02 7 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 19:01:33] [INFO ] Flatten gal took : 35 ms
[2026-05-25 19:01:33] [INFO ] Flatten gal took : 8 ms
[2026-05-25 19:01:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5142755573993907678.gal : 8 ms
[2026-05-25 19:01:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16054081962151538883.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/ReachabilityCardinality5142755573993907678.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16054081962151538883.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 29370 ms.

BK_STOP 1779735694094

--------------------
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="IBMB2S565S3960-PT-none"
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 IBMB2S565S3960-PT-none, 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 r175-smll-177961111800013"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/IBMB2S565S3960-PT-none.tgz
mv IBMB2S565S3960-PT-none 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 ;