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.r047-tall-177946846400044.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.............
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is BugTracking-PT-q3m016, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tall-177946846400044
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 8.7K Mar 5 17:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 5 17:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Mar 5 16:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 5 16:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K Mar 15 07:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 07:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 5 17:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 139K Mar 5 17:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Mar 5 17:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 5 17:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 07:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 16M 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 BugTracking-PT-q3m016-UpperBounds-00
FORMULA_NAME BugTracking-PT-q3m016-UpperBounds-01
FORMULA_NAME BugTracking-PT-q3m016-UpperBounds-02
FORMULA_NAME BugTracking-PT-q3m016-UpperBounds-03
FORMULA_NAME BugTracking-PT-q3m016-UpperBounds-04
FORMULA_NAME BugTracking-PT-q3m016-UpperBounds-05
FORMULA_NAME BugTracking-PT-q3m016-UpperBounds-06
FORMULA_NAME BugTracking-PT-q3m016-UpperBounds-07
FORMULA_NAME BugTracking-PT-q3m016-UpperBounds-08
FORMULA_NAME BugTracking-PT-q3m016-UpperBounds-09
FORMULA_NAME BugTracking-PT-q3m016-UpperBounds-10
FORMULA_NAME BugTracking-PT-q3m016-UpperBounds-11
FORMULA_NAME BugTracking-PT-q3m016-UpperBounds-12
FORMULA_NAME BugTracking-PT-q3m016-UpperBounds-13
FORMULA_NAME BugTracking-PT-q3m016-UpperBounds-14
FORMULA_NAME BugTracking-PT-q3m016-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779483751846

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BugTracking-PT-q3m016
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-22 21:02:33] [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]
[2026-05-22 21:02:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 21:02:34] [INFO ] Load time of PNML (sax parser for PT used): 819 ms
[2026-05-22 21:02:34] [INFO ] Transformed 754 places.
[2026-05-22 21:02:34] [INFO ] Transformed 27370 transitions.
[2026-05-22 21:02:34] [INFO ] Parsed PT model containing 754 places and 27370 transitions and 136172 arcs in 1012 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 514 places in 109 ms
Reduce places removed 514 places and 24601 transitions.
FORMULA BugTracking-PT-q3m016-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m016-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m016-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m016-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m016-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m016-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m016-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m016-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m016-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m016-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m016-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf]
[2026-05-22 21:02:34] [INFO ] Flow matrix only has 2642 transitions (discarded 127 similar events)
// Phase 1: matrix 2642 rows 240 cols
[2026-05-22 21:02:34] [INFO ] Computed 10 invariants in 44 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, 1]
RANDOM walk for 10000 steps (31 resets) in 104 ms. (95 steps per ms)
FORMULA BugTracking-PT-q3m016-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (28 resets) in 118 ms. (336 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
[2026-05-22 21:02:34] [INFO ] Flow matrix only has 2642 transitions (discarded 127 similar events)
[2026-05-22 21:02:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:02:34] [INFO ] [Real]Absence check using 10 positive place invariants in 8 ms returned sat
[2026-05-22 21:02:35] [INFO ] [Real]Absence check using state equation in 599 ms returned sat
[2026-05-22 21:02:35] [INFO ] State equation strengthened by 255 read => feed constraints.
[2026-05-22 21:02:35] [INFO ] [Real]Added 255 Read/Feed constraints in 57 ms returned sat
[2026-05-22 21:02:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:02:35] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-22 21:02:36] [INFO ] [Nat]Absence check using state equation in 368 ms returned sat
[2026-05-22 21:02:36] [INFO ] [Nat]Added 255 Read/Feed constraints in 146 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:02:36] [INFO ] Deduced a trap composed of 12 places in 427 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:02:37] [INFO ] Deduced a trap composed of 36 places in 441 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:02:37] [INFO ] Deduced a trap composed of 38 places in 326 ms of which 14 ms to minimize.
[2026-05-22 21:02:37] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1417 ms
[2026-05-22 21:02:38] [INFO ] Computed and/alt/rep : 355/1401/355 causal constraints (skipped 2285 transitions) in 280 ms.
[2026-05-22 21:02:38] [INFO ] Added : 7 causal constraints over 2 iterations in 744 ms. Result :sat
Minimization took 742 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:02:39] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:02:39] [INFO ] [Real]Absence check using state equation in 358 ms returned sat
[2026-05-22 21:02:39] [INFO ] [Real]Added 255 Read/Feed constraints in 56 ms returned sat
[2026-05-22 21:02:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:02:39] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:02:40] [INFO ] [Nat]Absence check using state equation in 352 ms returned sat
[2026-05-22 21:02:40] [INFO ] [Nat]Added 255 Read/Feed constraints in 62 ms returned sat
[2026-05-22 21:02:40] [INFO ] Computed and/alt/rep : 355/1401/355 causal constraints (skipped 2285 transitions) in 167 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:02:41] [INFO ] Deduced a trap composed of 12 places in 434 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:02:42] [INFO ] Deduced a trap composed of 18 places in 444 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:02:42] [INFO ] Deduced a trap composed of 21 places in 383 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:02:43] [INFO ] Deduced a trap composed of 48 places in 209 ms of which 11 ms to minimize.
[2026-05-22 21:02:43] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 1898 ms
[2026-05-22 21:02:43] [INFO ] Added : 23 causal constraints over 8 iterations in 3141 ms. Result :sat
Minimization took 645 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:02:44] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:02:44] [INFO ] [Real]Absence check using state equation in 387 ms returned sat
[2026-05-22 21:02:44] [INFO ] [Real]Added 255 Read/Feed constraints in 52 ms returned sat
[2026-05-22 21:02:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:02:44] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-22 21:02:45] [INFO ] [Nat]Absence check using state equation in 389 ms returned sat
[2026-05-22 21:02:45] [INFO ] [Nat]Added 255 Read/Feed constraints in 146 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:02:45] [INFO ] Deduced a trap composed of 12 places in 294 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:02:46] [INFO ] Deduced a trap composed of 36 places in 335 ms of which 11 ms to minimize.
[2026-05-22 21:02:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 812 ms
[2026-05-22 21:02:46] [INFO ] Computed and/alt/rep : 355/1401/355 causal constraints (skipped 2285 transitions) in 186 ms.
[2026-05-22 21:02:46] [INFO ] Added : 11 causal constraints over 3 iterations in 587 ms. Result :sat
Minimization took 757 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:02:47] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:02:47] [INFO ] [Real]Absence check using state equation in 414 ms returned sat
[2026-05-22 21:02:48] [INFO ] [Real]Added 255 Read/Feed constraints in 47 ms returned sat
[2026-05-22 21:02:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:02:48] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:02:48] [INFO ] [Nat]Absence check using state equation in 349 ms returned sat
[2026-05-22 21:02:48] [INFO ] [Nat]Added 255 Read/Feed constraints in 152 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:02:48] [INFO ] Deduced a trap composed of 10 places in 218 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:02:49] [INFO ] Deduced a trap composed of 13 places in 199 ms of which 6 ms to minimize.
[2026-05-22 21:02:49] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 586 ms
[2026-05-22 21:02:49] [INFO ] Computed and/alt/rep : 355/1401/355 causal constraints (skipped 2285 transitions) in 157 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:02:50] [INFO ] Deduced a trap composed of 46 places in 218 ms of which 17 ms to minimize.
[2026-05-22 21:02:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 371 ms
[2026-05-22 21:02:50] [INFO ] Added : 20 causal constraints over 7 iterations in 1425 ms. Result :sat
Minimization took 679 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 240 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 240/240 places, 2769/2769 transitions.
Graph (complete) has 3422 edges and 240 vertex of which 238 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.8 ms
Discarding 2 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 237 transition count 2750
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 237 transition count 2750
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 2 places in 4 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 7 place count 235 transition count 2753
Free-agglomeration rule applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 13 place count 235 transition count 2747
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 19 place count 229 transition count 2747
Applied a total of 19 rules in 292 ms. Remains 229 /240 variables (removed 11) and now considering 2747/2769 (removed 22) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 303 ms. Remains : 229/240 places, 2747/2769 transitions.
[2026-05-22 21:02:51] [INFO ] Flow matrix only has 2618 transitions (discarded 129 similar events)
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {4=1, 1722=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1, 1722=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 201 ms. (steps per millisecond=49 ) properties (out of 4) seen :[0, 0, 0, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
[2026-05-22 21:02:52] [INFO ] Flow matrix only has 2618 transitions (discarded 129 similar events)
// Phase 1: matrix 2618 rows 229 cols
[2026-05-22 21:02:52] [INFO ] Computed 8 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 1000006 steps (2 resets) in 4433 ms. (225 steps per ms)
BEST_FIRST walk for 4000003 steps (8 resets) in 8784 ms. (455 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
[2026-05-22 21:03:05] [INFO ] Flow matrix only has 2618 transitions (discarded 129 similar events)
[2026-05-22 21:03:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:03:05] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-22 21:03:06] [INFO ] [Real]Absence check using state equation in 358 ms returned sat
[2026-05-22 21:03:06] [INFO ] State equation strengthened by 241 read => feed constraints.
[2026-05-22 21:03:06] [INFO ] [Real]Added 241 Read/Feed constraints in 43 ms returned sat
[2026-05-22 21:03:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:03:06] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-22 21:03:06] [INFO ] [Nat]Absence check using state equation in 406 ms returned sat
[2026-05-22 21:03:06] [INFO ] [Nat]Added 241 Read/Feed constraints in 136 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:03:07] [INFO ] Deduced a trap composed of 10 places in 293 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:03:07] [INFO ] Deduced a trap composed of 19 places in 261 ms of which 12 ms to minimize.
[2026-05-22 21:03:07] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 725 ms
[2026-05-22 21:03:07] [INFO ] Computed and/alt/rep : 342/1316/342 causal constraints (skipped 2275 transitions) in 144 ms.
[2026-05-22 21:03:08] [INFO ] Added : 3 causal constraints over 1 iterations in 394 ms. Result :sat
Minimization took 1748 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:03:09] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-22 21:03:10] [INFO ] [Real]Absence check using state equation in 351 ms returned sat
[2026-05-22 21:03:10] [INFO ] [Real]Added 241 Read/Feed constraints in 45 ms returned sat
[2026-05-22 21:03:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:03:10] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-22 21:03:10] [INFO ] [Nat]Absence check using state equation in 385 ms returned sat
[2026-05-22 21:03:10] [INFO ] [Nat]Added 241 Read/Feed constraints in 51 ms returned sat
[2026-05-22 21:03:11] [INFO ] Computed and/alt/rep : 342/1316/342 causal constraints (skipped 2275 transitions) in 163 ms.
[2026-05-22 21:03:11] [INFO ] Added : 2 causal constraints over 1 iterations in 378 ms. Result :sat
Minimization took 2122 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:03:13] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2026-05-22 21:03:13] [INFO ] [Real]Absence check using state equation in 357 ms returned sat
[2026-05-22 21:03:14] [INFO ] [Real]Added 241 Read/Feed constraints in 47 ms returned sat
[2026-05-22 21:03:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:03:14] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-22 21:03:14] [INFO ] [Nat]Absence check using state equation in 384 ms returned sat
[2026-05-22 21:03:14] [INFO ] [Nat]Added 241 Read/Feed constraints in 181 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:03:14] [INFO ] Deduced a trap composed of 7 places in 224 ms of which 10 ms to minimize.
[2026-05-22 21:03:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 326 ms
[2026-05-22 21:03:15] [INFO ] Computed and/alt/rep : 342/1316/342 causal constraints (skipped 2275 transitions) in 166 ms.
[2026-05-22 21:03:15] [INFO ] Added : 2 causal constraints over 1 iterations in 414 ms. Result :sat
Minimization took 1931 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:03:17] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-22 21:03:17] [INFO ] [Real]Absence check using state equation in 366 ms returned sat
[2026-05-22 21:03:17] [INFO ] [Real]Added 241 Read/Feed constraints in 41 ms returned sat
[2026-05-22 21:03:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:03:18] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2026-05-22 21:03:18] [INFO ] [Nat]Absence check using state equation in 352 ms returned sat
[2026-05-22 21:03:18] [INFO ] [Nat]Added 241 Read/Feed constraints in 172 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:03:18] [INFO ] Deduced a trap composed of 19 places in 230 ms of which 14 ms to minimize.
[2026-05-22 21:03:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 340 ms
[2026-05-22 21:03:19] [INFO ] Computed and/alt/rep : 342/1316/342 causal constraints (skipped 2275 transitions) in 177 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:03:19] [INFO ] Deduced a trap composed of 10 places in 110 ms of which 2 ms to minimize.
[2026-05-22 21:03:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 244 ms
[2026-05-22 21:03:19] [INFO ] Added : 10 causal constraints over 3 iterations in 887 ms. Result :sat
Minimization took 1736 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 229 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 229/229 places, 2747/2747 transitions.
Applied a total of 0 rules in 44 ms. Remains 229 /229 variables (removed 0) and now considering 2747/2747 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 229/229 places, 2747/2747 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 229/229 places, 2747/2747 transitions.
Applied a total of 0 rules in 42 ms. Remains 229 /229 variables (removed 0) and now considering 2747/2747 (removed 0) transitions.
[2026-05-22 21:03:22] [INFO ] Flow matrix only has 2618 transitions (discarded 129 similar events)
[2026-05-22 21:03:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:03:22] [INFO ] Implicit Places using invariants in 499 ms returned []
[2026-05-22 21:03:22] [INFO ] Flow matrix only has 2618 transitions (discarded 129 similar events)
[2026-05-22 21:03:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:03:22] [INFO ] State equation strengthened by 241 read => feed constraints.
[2026-05-22 21:03:25] [INFO ] Implicit Places using invariants and state equation in 2865 ms returned []
Implicit Place search using SMT with State Equation took 3368 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:03:25] [INFO ] Redundant transitions in 284 ms returned []
Running 2746 sub problems to find dead transitions.
[2026-05-22 21:03:25] [INFO ] Flow matrix only has 2618 transitions (discarded 129 similar events)
[2026-05-22 21:03:25] [INFO ] Invariant cache hit.
[2026-05-22 21:03:25] [INFO ] State equation strengthened by 241 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/229 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2746 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:03:50] [INFO ] Deduced a trap composed of 6 places in 87 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:03:54] [INFO ] Deduced a trap composed of 11 places in 97 ms of which 4 ms to minimize.
Problem TDEAD1480 is UNSAT
Problem TDEAD1481 is UNSAT
Problem TDEAD1482 is UNSAT
Problem TDEAD1483 is UNSAT
Problem TDEAD1485 is UNSAT
Problem TDEAD1486 is UNSAT
Problem TDEAD1489 is UNSAT
Problem TDEAD1490 is UNSAT
Problem TDEAD1491 is UNSAT
Problem TDEAD1492 is UNSAT
Problem TDEAD1495 is UNSAT
Problem TDEAD1496 is UNSAT
Problem TDEAD1497 is UNSAT
Problem TDEAD1498 is UNSAT
Problem TDEAD1501 is UNSAT
Problem TDEAD1502 is UNSAT
Problem TDEAD1503 is UNSAT
Problem TDEAD1504 is UNSAT
Problem TDEAD1506 is UNSAT
Problem TDEAD1507 is UNSAT
Problem TDEAD1510 is UNSAT
Problem TDEAD1511 is UNSAT
Problem TDEAD1512 is UNSAT
Problem TDEAD1513 is UNSAT
Problem TDEAD1516 is UNSAT
Problem TDEAD1517 is UNSAT
Problem TDEAD1518 is UNSAT
Problem TDEAD1519 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:03:54] [INFO ] Deduced a trap composed of 8 places in 99 ms of which 4 ms to minimize.
Problem TDEAD1562 is UNSAT
Problem TDEAD1563 is UNSAT
Problem TDEAD1564 is UNSAT
Problem TDEAD1565 is UNSAT
Problem TDEAD1566 is UNSAT
Problem TDEAD1567 is UNSAT
Problem TDEAD1568 is UNSAT
Problem TDEAD1569 is UNSAT
Problem TDEAD1570 is UNSAT
Problem TDEAD1571 is UNSAT
Problem TDEAD1572 is UNSAT
Problem TDEAD1573 is UNSAT
Problem TDEAD1574 is UNSAT
Problem TDEAD1575 is UNSAT
Problem TDEAD1576 is UNSAT
Problem TDEAD1577 is UNSAT
Problem TDEAD1578 is UNSAT
Problem TDEAD1579 is UNSAT
Problem TDEAD1580 is UNSAT
Problem TDEAD1581 is UNSAT
Problem TDEAD1582 is UNSAT
Problem TDEAD1583 is UNSAT
Problem TDEAD1584 is UNSAT
Problem TDEAD1585 is UNSAT
Problem TDEAD1586 is UNSAT
Problem TDEAD1587 is UNSAT
Problem TDEAD1588 is UNSAT
Problem TDEAD1589 is UNSAT
Problem TDEAD1590 is UNSAT
Problem TDEAD1591 is UNSAT
Problem TDEAD1592 is UNSAT
Problem TDEAD1593 is UNSAT
Problem TDEAD1594 is UNSAT
Problem TDEAD1595 is UNSAT
Problem TDEAD1596 is UNSAT
Problem TDEAD1597 is UNSAT
Problem TDEAD1598 is UNSAT
Problem TDEAD1599 is UNSAT
Problem TDEAD1600 is UNSAT
Problem TDEAD1601 is UNSAT
Problem TDEAD1602 is UNSAT
Problem TDEAD1603 is UNSAT
Problem TDEAD1604 is UNSAT
Problem TDEAD1605 is UNSAT
Problem TDEAD1606 is UNSAT
Problem TDEAD1607 is UNSAT
Problem TDEAD1608 is UNSAT
Problem TDEAD1609 is UNSAT
Problem TDEAD1610 is UNSAT
Problem TDEAD1611 is UNSAT
Problem TDEAD1612 is UNSAT
Problem TDEAD1613 is UNSAT
Problem TDEAD1614 is UNSAT
Problem TDEAD1615 is UNSAT
Problem TDEAD1616 is UNSAT
Problem TDEAD1617 is UNSAT
Problem TDEAD1618 is UNSAT
Problem TDEAD1619 is UNSAT
Problem TDEAD1620 is UNSAT
Problem TDEAD1621 is UNSAT
Problem TDEAD1622 is UNSAT
Problem TDEAD1623 is UNSAT
Problem TDEAD1624 is UNSAT
Problem TDEAD1625 is UNSAT
Problem TDEAD1626 is UNSAT
Problem TDEAD1627 is UNSAT
Problem TDEAD1628 is UNSAT
Problem TDEAD1629 is UNSAT
Problem TDEAD1630 is UNSAT
Problem TDEAD1631 is UNSAT
Problem TDEAD1632 is UNSAT
Problem TDEAD1633 is UNSAT
Problem TDEAD1634 is UNSAT
Problem TDEAD1635 is UNSAT
Problem TDEAD1636 is UNSAT
Problem TDEAD1637 is UNSAT
Problem TDEAD1638 is UNSAT
Problem TDEAD1639 is UNSAT
Problem TDEAD1640 is UNSAT
Problem TDEAD1641 is UNSAT
Problem TDEAD1642 is UNSAT
Problem TDEAD1643 is UNSAT
Problem TDEAD1644 is UNSAT
Problem TDEAD1645 is UNSAT
Problem TDEAD1716 is UNSAT
Problem TDEAD1717 is UNSAT
Problem TDEAD1718 is UNSAT
Problem TDEAD1719 is UNSAT
Problem TDEAD1720 is UNSAT
Problem TDEAD1721 is UNSAT
Problem TDEAD1722 is UNSAT
Problem TDEAD1723 is UNSAT
Problem TDEAD1724 is UNSAT
Problem TDEAD1725 is UNSAT
Problem TDEAD1726 is UNSAT
Problem TDEAD1727 is UNSAT
Problem TDEAD1728 is UNSAT
Problem TDEAD1729 is UNSAT
Problem TDEAD1730 is UNSAT
Problem TDEAD1731 is UNSAT
Problem TDEAD1732 is UNSAT
Problem TDEAD1733 is UNSAT
Problem TDEAD1734 is UNSAT
Problem TDEAD1735 is UNSAT
Problem TDEAD1736 is UNSAT
Problem TDEAD1737 is UNSAT
Problem TDEAD1738 is UNSAT
Problem TDEAD1739 is UNSAT
Problem TDEAD1740 is UNSAT
Problem TDEAD1741 is UNSAT
Problem TDEAD1742 is UNSAT
Problem TDEAD1743 is UNSAT
Problem TDEAD1747 is UNSAT
Problem TDEAD1748 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:03:55] [INFO ] Deduced a trap composed of 8 places in 70 ms of which 4 ms to minimize.
Problem TDEAD1749 is UNSAT
Problem TDEAD1750 is UNSAT
Problem TDEAD1751 is UNSAT
Problem TDEAD1752 is UNSAT
Problem TDEAD1753 is UNSAT
Problem TDEAD1754 is UNSAT
Problem TDEAD1755 is UNSAT
Problem TDEAD1756 is UNSAT
Problem TDEAD1757 is UNSAT
Problem TDEAD1758 is UNSAT
Problem TDEAD1759 is UNSAT
Problem TDEAD1760 is UNSAT
Problem TDEAD1763 is UNSAT
Problem TDEAD1764 is UNSAT
Problem TDEAD1766 is UNSAT
Problem TDEAD1767 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:03:55] [INFO ] Deduced a trap composed of 9 places in 68 ms of which 3 ms to minimize.
Problem TDEAD1768 is UNSAT
Problem TDEAD1769 is UNSAT
Problem TDEAD1770 is UNSAT
Problem TDEAD1771 is UNSAT
Problem TDEAD1772 is UNSAT
Problem TDEAD1773 is UNSAT
Problem TDEAD1774 is UNSAT
Problem TDEAD1775 is UNSAT
Problem TDEAD1776 is UNSAT
Problem TDEAD1780 is UNSAT
Problem TDEAD1781 is UNSAT
Problem TDEAD1782 is UNSAT
Problem TDEAD1783 is UNSAT
Problem TDEAD1785 is UNSAT
Problem TDEAD1786 is UNSAT
Problem TDEAD1790 is UNSAT
Problem TDEAD1791 is UNSAT
Problem TDEAD1792 is UNSAT
Problem TDEAD1793 is UNSAT
Problem TDEAD1794 is UNSAT
Problem TDEAD1795 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:03:55] [INFO ] Deduced a trap composed of 10 places in 71 ms of which 3 ms to minimize.
Problem TDEAD1796 is UNSAT
Problem TDEAD1797 is UNSAT
Problem TDEAD1798 is UNSAT
Problem TDEAD1801 is UNSAT
Problem TDEAD1802 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:03:55] [INFO ] Deduced a trap composed of 8 places in 72 ms of which 2 ms to minimize.
Problem TDEAD1804 is UNSAT
Problem TDEAD1805 is UNSAT
Problem TDEAD1806 is UNSAT
Problem TDEAD1807 is UNSAT
Problem TDEAD1808 is UNSAT
Problem TDEAD1809 is UNSAT
Problem TDEAD1810 is UNSAT
Problem TDEAD1811 is UNSAT
Problem TDEAD1812 is UNSAT
Problem TDEAD1813 is UNSAT
Problem TDEAD1814 is UNSAT
Problem TDEAD1815 is UNSAT
Problem TDEAD1816 is UNSAT
Problem TDEAD1817 is UNSAT
Problem TDEAD1818 is UNSAT
Problem TDEAD1819 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:04:01] [INFO ] Deduced a trap composed of 22 places in 78 ms of which 3 ms to minimize.
Problem TDEAD2709 is UNSAT
Problem TDEAD2710 is UNSAT
Problem TDEAD2720 is UNSAT
Problem TDEAD2721 is UNSAT
Problem TDEAD2732 is UNSAT
Problem TDEAD2733 is UNSAT
Problem TDEAD2743 is UNSAT
Problem TDEAD2744 is UNSAT
Problem TDEAD161 is UNSAT
Problem TDEAD162 is UNSAT
Problem TDEAD163 is UNSAT
Problem TDEAD164 is UNSAT
Problem TDEAD165 is UNSAT
Problem TDEAD169 is UNSAT
Problem TDEAD170 is UNSAT
Problem TDEAD171 is UNSAT
Problem TDEAD1456 is UNSAT
Problem TDEAD1457 is UNSAT
Problem TDEAD1458 is UNSAT
Problem TDEAD1459 is UNSAT
Problem TDEAD1460 is UNSAT
Problem TDEAD1461 is UNSAT
Problem TDEAD1462 is UNSAT
Problem TDEAD1467 is UNSAT
Problem TDEAD1468 is UNSAT
Problem TDEAD1469 is UNSAT
Problem TDEAD1470 is UNSAT
Problem TDEAD1471 is UNSAT
Problem TDEAD1472 is UNSAT
Problem TDEAD1473 is UNSAT
Problem TDEAD1474 is UNSAT
Problem TDEAD1475 is UNSAT
Problem TDEAD1476 is UNSAT
Problem TDEAD1477 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/229 variables, 8/16 constraints. Problems are: Problem set: 234 solved, 2512 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 229/2847 variables, and 16 constraints, problems are : Problem set: 234 solved, 2512 unsolved in 30055 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 0/229 constraints, ReadFeed: 0/241 constraints, PredecessorRefiner: 2746/1184 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 234 solved, 2512 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/221 variables, 7/7 constraints. Problems are: Problem set: 234 solved, 2512 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/221 variables, 8/15 constraints. Problems are: Problem set: 234 solved, 2512 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:04:12] [INFO ] Deduced a trap composed of 8 places in 84 ms of which 3 ms to minimize.
Problem TDEAD1433 is UNSAT
Problem TDEAD1434 is UNSAT
Problem TDEAD1435 is UNSAT
Problem TDEAD1436 is UNSAT
Problem TDEAD1437 is UNSAT
Problem TDEAD1438 is UNSAT
Problem TDEAD1439 is UNSAT
Problem TDEAD1440 is UNSAT
Problem TDEAD1441 is UNSAT
Problem TDEAD1442 is UNSAT
Problem TDEAD1443 is UNSAT
Problem TDEAD1444 is UNSAT
Problem TDEAD1445 is UNSAT
Problem TDEAD1446 is UNSAT
Problem TDEAD1447 is UNSAT
Problem TDEAD1448 is UNSAT
Problem TDEAD1449 is UNSAT
Problem TDEAD1450 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/221 variables, 1/16 constraints. Problems are: Problem set: 252 solved, 2494 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 221/2847 variables, and 16 constraints, problems are : Problem set: 252 solved, 2494 unsolved in 30047 ms.
Refiners :[Positive P Invariants (semi-flows): 7/8 constraints, State Equation: 0/229 constraints, ReadFeed: 0/241 constraints, PredecessorRefiner: 1562/1184 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 66554ms problems are : Problem set: 252 solved, 2494 unsolved
Search for dead transitions found 252 dead transitions in 66581ms
Found 252 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 252 transitions
Dead transitions reduction (with SMT) removed 252 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 229/229 places, 2495/2747 transitions.
Graph (complete) has 3016 edges and 229 vertex of which 221 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 0 output transitions
Reduce places removed 27 places and 650 transitions.
Iterating post reduction 0 with 27 rules applied. Total rules applied 28 place count 194 transition count 1845
Reduce places removed 15 places and 271 transitions.
Iterating post reduction 1 with 15 rules applied. Total rules applied 43 place count 179 transition count 1574
Reduce places removed 10 places and 174 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 53 place count 169 transition count 1400
Reduce places removed 8 places and 119 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 61 place count 161 transition count 1281
Reduce places removed 1 places and 17 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 62 place count 160 transition count 1264
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 65 place count 157 transition count 1222
Deduced a syphon composed of 20 places in 2 ms
Reduce places removed 16 places and 270 transitions.
Iterating global reduction 5 with 19 rules applied. Total rules applied 84 place count 141 transition count 952
Graph (complete) has 1300 edges and 141 vertex of which 4 are kept as prefixes of interest. Removing 137 places using SCC suffix rule.0 ms
Discarding 137 places :
Also discarding 952 output transitions
Drop transitions (Output transitions of discarded places.) removed 952 transitions
Iterating post reduction 5 with 1 rules applied. Total rules applied 85 place count 4 transition count 0
Deduced a syphon composed of 4 places in 0 ms
Applied a total of 85 rules in 36 ms. Remains 4 /229 variables (removed 225) and now considering 0/2495 (removed 2495) transitions.
[2026-05-22 21:04:32] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:04:32] [INFO ] Implicit Places using invariants in 15 ms returned []
[2026-05-22 21:04:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:04:32] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 33 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 4/229 places, 0/2747 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 70386 ms. Remains : 4/229 places, 0/2747 transitions.
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
FORMULA BugTracking-PT-q3m016-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m016-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m016-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q3m016-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
All properties solved without resorting to model-checking.
Total runtime 119254 ms.

BK_STOP 1779483872489

--------------------
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="BugTracking-PT-q3m016"
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 BugTracking-PT-q3m016, 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 r047-tall-177946846400044"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BugTracking-PT-q3m016.tgz
mv BugTracking-PT-q3m016 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 ;