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.r032-smll-177946790800181.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 BlocksWorld-PT-01, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r032-smll-177946790800181
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 6.9K Mar 5 16:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 5 16:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Mar 5 16:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 5 16:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 07:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 07:25 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 16:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 5 16:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 5 16:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Mar 5 16:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 87K 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 booleans
BOOL_VECTOR

FORMULA_NAME ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1779474386717

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=BlocksWorld-PT-01
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityDeadlock PT
Running Version 202505121319
[2026-05-22 18:26:29] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 18:26:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 18:26:29] [INFO ] Load time of PNML (sax parser for PT used): 171 ms
[2026-05-22 18:26:29] [INFO ] Transformed 109 places.
[2026-05-22 18:26:29] [INFO ] Transformed 181 transitions.
[2026-05-22 18:26:29] [INFO ] Found NUPN structural information;
[2026-05-22 18:26:29] [INFO ] Completing missing partition info from NUPN : creating a component with [pred_on_table_0, pred_arm_empty_0, pred_on_table_1, pred_on_table_2, pred_on_table_3, pred_on_table_4, pred_on_table_5, pred_on_table_6, pred_on_table_7, pred_on_table_8]
[2026-05-22 18:26:29] [INFO ] Parsed PT model containing 109 places and 181 transitions and 896 arcs in 414 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 7 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 9 ms.14565KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 109/109 places, 181/181 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 66 ms. Remains 109 /109 variables (removed 0) and now considering 181/181 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 94 ms. Remains : 109/109 places, 181/181 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 109/109 places, 181/181 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 47 ms. Remains 109 /109 variables (removed 0) and now considering 181/181 (removed 0) transitions.
// Phase 1: matrix 181 rows 109 cols
[2026-05-22 18:26:30] [INFO ] Computed 19 invariants in 31 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 18:26:30] [INFO ] Implicit Places using invariants in 587 ms returned []
[2026-05-22 18:26:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 18:26:30] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-22 18:26:31] [INFO ] Implicit Places using invariants and state equation in 555 ms returned []
Implicit Place search using SMT with State Equation took 1214 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 18:26:31] [INFO ] Redundant transitions in 12 ms returned []
Running 179 sub problems to find dead transitions.
[2026-05-22 18:26:31] [INFO ] Invariant cache hit.
[2026-05-22 18:26:31] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Problem TDEAD28 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD88 is UNSAT
Problem TDEAD98 is UNSAT
Problem TDEAD108 is UNSAT
Problem TDEAD138 is UNSAT
Problem TDEAD150 is UNSAT
Problem TDEAD160 is UNSAT
Problem TDEAD168 is UNSAT
Problem TDEAD174 is UNSAT
Problem TDEAD178 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 15/15 constraints. Problems are: Problem set: 14 solved, 165 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/15 constraints. Problems are: Problem set: 14 solved, 165 unsolved
Problem TDEAD1 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD124 is UNSAT
At refinement iteration 2 (OVERLAPS) 2/109 variables, 4/19 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/109 variables, 0/19 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 4 (OVERLAPS) 180/289 variables, 109/128 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/289 variables, 14/142 constraints. Problems are: Problem set: 18 solved, 161 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:37] [INFO ] Deduced a trap composed of 18 places in 124 ms of which 18 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 1/143 constraints. Problems are: Problem set: 18 solved, 161 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:40] [INFO ] Deduced a trap composed of 18 places in 87 ms of which 5 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 1/144 constraints. Problems are: Problem set: 18 solved, 161 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:40] [INFO ] Deduced a trap composed of 18 places in 76 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:41] [INFO ] Deduced a trap composed of 18 places in 68 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 2/146 constraints. Problems are: Problem set: 18 solved, 161 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:42] [INFO ] Deduced a trap composed of 18 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:42] [INFO ] Deduced a trap composed of 24 places in 84 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/289 variables, 2/148 constraints. Problems are: Problem set: 18 solved, 161 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:44] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 3 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/289 variables, 1/149 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/289 variables, 0/149 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 12 (OVERLAPS) 1/290 variables, 1/150 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/290 variables, 0/150 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 14 (OVERLAPS) 0/290 variables, 0/150 constraints. Problems are: Problem set: 18 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Real declared 290/290 variables, and 150 constraints, problems are : Problem set: 18 solved, 161 unsolved in 18589 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 109/109 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 18 solved, 161 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 1/1 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/1 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 2 (OVERLAPS) 11/109 variables, 18/19 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/109 variables, 7/26 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/26 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 5 (OVERLAPS) 180/289 variables, 109/135 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/289 variables, 14/149 constraints. Problems are: Problem set: 18 solved, 161 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/289 variables, 161/310 constraints. Problems are: Problem set: 18 solved, 161 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:56] [INFO ] Deduced a trap composed of 10 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:56] [INFO ] Deduced a trap composed of 10 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:56] [INFO ] Deduced a trap composed of 18 places in 87 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:56] [INFO ] Deduced a trap composed of 10 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:56] [INFO ] Deduced a trap composed of 10 places in 108 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:56] [INFO ] Deduced a trap composed of 18 places in 131 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:57] [INFO ] Deduced a trap composed of 24 places in 79 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:57] [INFO ] Deduced a trap composed of 28 places in 105 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:57] [INFO ] Deduced a trap composed of 18 places in 74 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:57] [INFO ] Deduced a trap composed of 28 places in 115 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:57] [INFO ] Deduced a trap composed of 28 places in 144 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:57] [INFO ] Deduced a trap composed of 24 places in 90 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:58] [INFO ] Deduced a trap composed of 24 places in 86 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:58] [INFO ] Deduced a trap composed of 10 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:58] [INFO ] Deduced a trap composed of 28 places in 96 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:58] [INFO ] Deduced a trap composed of 28 places in 91 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:59] [INFO ] Deduced a trap composed of 24 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:59] [INFO ] Deduced a trap composed of 19 places in 65 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:59] [INFO ] Deduced a trap composed of 30 places in 97 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:26:59] [INFO ] Deduced a trap composed of 18 places in 65 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/289 variables, 20/330 constraints. Problems are: Problem set: 18 solved, 161 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:01] [INFO ] Deduced a trap composed of 30 places in 70 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:01] [INFO ] Deduced a trap composed of 24 places in 75 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:02] [INFO ] Deduced a trap composed of 28 places in 105 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:02] [INFO ] Deduced a trap composed of 30 places in 109 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:02] [INFO ] Deduced a trap composed of 28 places in 143 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:02] [INFO ] Deduced a trap composed of 28 places in 101 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:02] [INFO ] Deduced a trap composed of 30 places in 121 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:02] [INFO ] Deduced a trap composed of 10 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:02] [INFO ] Deduced a trap composed of 18 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:03] [INFO ] Deduced a trap composed of 24 places in 79 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:03] [INFO ] Deduced a trap composed of 10 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:03] [INFO ] Deduced a trap composed of 30 places in 113 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:03] [INFO ] Deduced a trap composed of 30 places in 119 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:03] [INFO ] Deduced a trap composed of 28 places in 152 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:04] [INFO ] Deduced a trap composed of 28 places in 95 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:04] [INFO ] Deduced a trap composed of 28 places in 145 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:04] [INFO ] Deduced a trap composed of 30 places in 118 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:04] [INFO ] Deduced a trap composed of 24 places in 77 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:05] [INFO ] Deduced a trap composed of 30 places in 101 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:05] [INFO ] Deduced a trap composed of 30 places in 111 ms of which 8 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/289 variables, 20/350 constraints. Problems are: Problem set: 18 solved, 161 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:07] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:08] [INFO ] Deduced a trap composed of 24 places in 70 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:09] [INFO ] Deduced a trap composed of 24 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:09] [INFO ] Deduced a trap composed of 28 places in 92 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:10] [INFO ] Deduced a trap composed of 30 places in 96 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:10] [INFO ] Deduced a trap composed of 18 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:10] [INFO ] Deduced a trap composed of 28 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:10] [INFO ] Deduced a trap composed of 28 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:10] [INFO ] Deduced a trap composed of 24 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:11] [INFO ] Deduced a trap composed of 18 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:11] [INFO ] Deduced a trap composed of 28 places in 83 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:11] [INFO ] Deduced a trap composed of 30 places in 114 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:11] [INFO ] Deduced a trap composed of 24 places in 75 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:12] [INFO ] Deduced a trap composed of 24 places in 78 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:12] [INFO ] Deduced a trap composed of 24 places in 82 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:13] [INFO ] Deduced a trap composed of 28 places in 91 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/289 variables, 16/366 constraints. Problems are: Problem set: 18 solved, 161 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:16] [INFO ] Deduced a trap composed of 28 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:16] [INFO ] Deduced a trap composed of 10 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:16] [INFO ] Deduced a trap composed of 11 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:16] [INFO ] Deduced a trap composed of 30 places in 96 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:16] [INFO ] Deduced a trap composed of 30 places in 132 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:16] [INFO ] Deduced a trap composed of 28 places in 91 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:17] [INFO ] Deduced a trap composed of 24 places in 75 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:17] [INFO ] Deduced a trap composed of 29 places in 85 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:18] [INFO ] Deduced a trap composed of 30 places in 107 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:18] [INFO ] Deduced a trap composed of 30 places in 128 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:18] [INFO ] Deduced a trap composed of 24 places in 74 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:19] [INFO ] Deduced a trap composed of 30 places in 106 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:19] [INFO ] Deduced a trap composed of 24 places in 79 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:19] [INFO ] Deduced a trap composed of 28 places in 90 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:19] [INFO ] Deduced a trap composed of 28 places in 116 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:19] [INFO ] Deduced a trap composed of 18 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:20] [INFO ] Deduced a trap composed of 28 places in 89 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:20] [INFO ] Deduced a trap composed of 30 places in 107 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:20] [INFO ] Deduced a trap composed of 24 places in 81 ms of which 6 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 289/290 variables, and 385 constraints, problems are : Problem set: 18 solved, 161 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 109/109 constraints, ReadFeed: 14/15 constraints, PredecessorRefiner: 161/179 constraints, Known Traps: 82/82 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49424ms problems are : Problem set: 18 solved, 161 unsolved
Search for dead transitions found 18 dead transitions in 49524ms
Found 18 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 18 transitions
Dead transitions reduction (with SMT) removed 18 transitions
Starting structural reductions in DEADLOCK mode, iteration 1 : 109/109 places, 163/181 transitions.
Computed a total of 9 stabilizing places and 0 stable transitions
Graph (complete) has 481 edges and 109 vertex of which 100 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.4 ms
Discarding 9 places :
Also discarding 0 output transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 1 rules in 44 ms. Remains 100 /109 variables (removed 9) and now considering 163/163 (removed 0) transitions.
// Phase 1: matrix 163 rows 100 cols
[2026-05-22 18:27:20] [INFO ] Computed 19 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 18:27:21] [INFO ] Implicit Places using invariants in 212 ms returned []
[2026-05-22 18:27:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 18:27:21] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-22 18:27:21] [INFO ] Implicit Places using invariants and state equation in 365 ms returned []
Implicit Place search using SMT with State Equation took 580 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 100/109 places, 163/181 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 51481 ms. Remains : 100/109 places, 163/181 transitions.
Random walk for 1250000 steps, including 0 resets, run took 6907 ms (no deadlock found). (steps per millisecond=180 )
Random directed walk for 1250002 steps, including 0 resets, run took 4442 ms (no deadlock found). (steps per millisecond=281 )
[2026-05-22 18:27:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-22 18:27:32] [INFO ] [Real]Absence check using 19 positive place invariants in 13 ms returned sat
[2026-05-22 18:27:32] [INFO ] [Real]Absence check using state equation in 103 ms returned sat
[2026-05-22 18:27:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-22 18:27:33] [INFO ] [Nat]Absence check using 19 positive place invariants in 11 ms returned sat
[2026-05-22 18:27:33] [INFO ] [Nat]Absence check using state equation in 244 ms returned sat
[2026-05-22 18:27:33] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-22 18:27:33] [INFO ] [Nat]Added 1 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 18:27:33] [INFO ] Deduced a trap composed of 18 places in 171 ms of which 17 ms to minimize.
[2026-05-22 18:27:33] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 205 ms
FORMULA ReachabilityDeadlock FALSE TECHNIQUES TOPOLOGICAL SAT_SMT STRUCTURAL_REDUCTION
Total runtime 64235 ms.

BK_STOP 1779474453600

--------------------
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
+ [[ ReachabilityDeadlock = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityDeadlock -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 ReachabilityDeadlock -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="BlocksWorld-PT-01"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 BlocksWorld-PT-01, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r032-smll-177946790800181"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BlocksWorld-PT-01.tgz
mv BlocksWorld-PT-01 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;