fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r063-smll-174854070500177
Last Updated
June 24, 2025

About the Execution of ITS-Tools for DES-PT-10a

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 58901.00 0.00 0.00 T normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r063-smll-174854070500177.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is DES-PT-10a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r063-smll-174854070500177
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 456K
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.3K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 75K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 43K May 29 14:32 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748588002180

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DES-PT-10a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-05-30 06:53:23] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-05-30 06:53:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 06:53:24] [INFO ] Load time of PNML (sax parser for PT used): 108 ms
[2025-05-30 06:53:24] [INFO ] Transformed 155 places.
[2025-05-30 06:53:24] [INFO ] Transformed 112 transitions.
[2025-05-30 06:53:24] [INFO ] Found NUPN structural information;
[2025-05-30 06:53:24] [INFO ] Parsed PT model containing 155 places and 112 transitions and 552 arcs in 255 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 155/155 places, 112/112 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 155 transition count 98
Applied a total of 14 rules in 31 ms. Remains 155 /155 variables (removed 0) and now considering 98/112 (removed 14) transitions.
// Phase 1: matrix 98 rows 155 cols
[2025-05-30 06:53:24] [INFO ] Computed 59 invariants in 30 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 06:53:25] [INFO ] Implicit Places using invariants in 776 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 842 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 154/155 places, 98/112 transitions.
Applied a total of 0 rules in 13 ms. Remains 154 /154 variables (removed 0) and now considering 98/98 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 910 ms. Remains : 154/155 places, 98/112 transitions.
Discarding 9 transitions out of 98. Remains 89
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (910 resets) in 2586 ms. (15 steps per ms) remains 25/88 properties
[2025-05-30 06:53:26] [INFO ] Flatten gal took : 165 ms
BEST_FIRST walk for 4004 steps (15 resets) in 85 ms. (46 steps per ms) remains 25/25 properties
[2025-05-30 06:53:26] [INFO ] Flatten gal took : 59 ms
BEST_FIRST walk for 4003 steps (20 resets) in 126 ms. (31 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (16 resets) in 58 ms. (67 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4001 steps (18 resets) in 69 ms. (57 steps per ms) remains 25/25 properties
[2025-05-30 06:53:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3415155784273256904.gal : 41 ms
BEST_FIRST walk for 4003 steps (18 resets) in 53 ms. (74 steps per ms) remains 25/25 properties
[2025-05-30 06:53:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8499261138276757955.prop : 8 ms
BEST_FIRST walk for 4004 steps (19 resets) in 71 ms. (55 steps per ms) remains 25/25 properties
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3415155784273256904.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8499261138276757955.prop' '--nowitness' '--gen-order' 'FOLLOW'

BEST_FIRST walk for 4004 steps (14 resets) in 50 ms. (78 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (14 resets) in 47 ms. (83 steps per ms) remains 25/25 properties
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 4004 steps (14 resets) in 52 ms. (75 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (17 resets) in 50 ms. (78 steps per ms) remains 25/25 properties
Loading property file /tmp/ReachabilityCardinality8499261138276757955.prop.
BEST_FIRST walk for 4004 steps (16 resets) in 51 ms. (77 steps per ms) remains 25/25 properties
SDD proceeding with computation,25 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,25 properties remain. new max is 8
BEST_FIRST walk for 4003 steps (15 resets) in 28 ms. (138 steps per ms) remains 25/25 properties
SDD size :3 after 5
SDD proceeding with computation,25 properties remain. new max is 16
SDD size :5 after 12
SDD proceeding with computation,25 properties remain. new max is 32
SDD size :12 after 56
BEST_FIRST walk for 4004 steps (21 resets) in 30 ms. (129 steps per ms) remains 25/25 properties
SDD proceeding with computation,25 properties remain. new max is 64
SDD size :56 after 73
BEST_FIRST walk for 4003 steps (15 resets) in 35 ms. (111 steps per ms) remains 25/25 properties
SDD proceeding with computation,25 properties remain. new max is 128
SDD size :73 after 657
BEST_FIRST walk for 4003 steps (23 resets) in 29 ms. (133 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4002 steps (25 resets) in 23 ms. (166 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (24 resets) in 25 ms. (154 steps per ms) remains 25/25 properties
SDD proceeding with computation,25 properties remain. new max is 256
BEST_FIRST walk for 4003 steps (25 resets) in 25 ms. (153 steps per ms) remains 25/25 properties
SDD size :657 after 1957
BEST_FIRST walk for 4004 steps (24 resets) in 28 ms. (138 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (17 resets) in 19 ms. (200 steps per ms) remains 25/25 properties
SDD proceeding with computation,25 properties remain. new max is 512
SDD size :1957 after 4761
BEST_FIRST walk for 4003 steps (19 resets) in 23 ms. (166 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (19 resets) in 22 ms. (174 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (19 resets) in 20 ms. (190 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (20 resets) in 18 ms. (210 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4003 steps (20 resets) in 17 ms. (222 steps per ms) remains 25/25 properties
// Phase 1: matrix 98 rows 154 cols
[2025-05-30 06:53:26] [INFO ] Computed 58 invariants in 6 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,25 properties remain. new max is 1024
SDD size :4761 after 436881
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 2 (OVERLAPS) 10/40 variables, 6/36 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 10/46 constraints. Problems are: Problem set: 0 solved, 25 unsolved
SDD proceeding with computation,25 properties remain. new max is 2048
SDD size :436881 after 1.63016e+06
At refinement iteration 4 (INCLUDED_ONLY) 0/40 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 5 (OVERLAPS) 64/104 variables, 27/73 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 64/137 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 8 (OVERLAPS) 37/141 variables, 23/160 constraints. Problems are: Problem set: 0 solved, 25 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/141 variables, 37/197 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/141 variables, 0/197 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 11 (OVERLAPS) 6/147 variables, 2/199 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/147 variables, 6/205 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/147 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 14 (OVERLAPS) 97/244 variables, 147/352 constraints. Problems are: Problem set: 0 solved, 25 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:53:28] [INFO ] Deduced a trap composed of 12 places in 103 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:53:28] [INFO ] Deduced a trap composed of 10 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:53:28] [INFO ] Deduced a trap composed of 9 places in 54 ms of which 5 ms to minimize.
SDD proceeding with computation,25 properties remain. new max is 4096
At refinement iteration 15 (INCLUDED_ONLY) 0/244 variables, 3/355 constraints. Problems are: Problem set: 0 solved, 25 unsolved
SDD size :1.63016e+06 after 7.78442e+06
At refinement iteration 16 (INCLUDED_ONLY) 0/244 variables, 0/355 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 17 (OVERLAPS) 8/252 variables, 7/362 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/252 variables, 7/369 constraints. Problems are: Problem set: 0 solved, 25 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:53:29] [INFO ] Deduced a trap composed of 17 places in 99 ms of which 9 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/252 variables, 1/370 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/252 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 21 (OVERLAPS) 0/252 variables, 0/370 constraints. Problems are: Problem set: 0 solved, 25 unsolved
No progress, stopping.
After SMT solving in domain Real declared 252/252 variables, and 370 constraints, problems are : Problem set: 0 solved, 25 unsolved in 4305 ms.
Refiners :[Domain max(s): 154/154 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 154/154 constraints, PredecessorRefiner: 25/25 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 25 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 2 (OVERLAPS) 10/40 variables, 6/36 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 10/46 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/40 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 5 (OVERLAPS) 64/104 variables, 27/73 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 64/137 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 1/138 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/104 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 9 (OVERLAPS) 37/141 variables, 23/161 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/141 variables, 37/198 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/141 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/141 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 13 (OVERLAPS) 6/147 variables, 2/203 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/147 variables, 6/209 constraints. Problems are: Problem set: 0 solved, 25 unsolved
SDD proceeding with computation,25 properties remain. new max is 8192
SDD size :7.78442e+06 after 1.03826e+07
At refinement iteration 15 (INCLUDED_ONLY) 0/147 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 16 (OVERLAPS) 97/244 variables, 147/356 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/244 variables, 8/364 constraints. Problems are: Problem set: 0 solved, 25 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s1 0)
(s2 0)
(s3 0)
(s4 1)
(s5 0)
(s6 0)
(s7 0)
(s8 0)
(s9 0)
(s10 0)
(s11 0)
(s12 0)
(s13 1)
(s14 0)
(s15 0)
(s16 0)
(s17 0)
(s18 0)
(s19 0)
(s20 0)
(s22 1)
(s23 1)
(s24 1)
(s25 1)
(s26 1)
(s27 1)
(s31 0)
(s32 0)
(s33 0)
(s34 0)
(s35 0)
(s36 1)
(s37 0)
(s38 0)
(s39 0)
(s40 0)
(s41 1)
(s42 0)
(s43 0)
(s44 1)
(s45 1)
(s46 0)
(s47 0)
(s48 1)
(s49 0)
(s50 0)
(s51 1)
(s52 0)
(s53 1)
(s57 0)
(s58 1)
(s59 1)
(s60 0)
(s61 0)
(s62 0)
(s63 0)
(s64 0)
(s65 1)
(s66 0)
(s67 0)
(s68 1)
(s69 1)
(s70 0)
(s71 0)
(s72 1)
(s73 0)
(s74 1)
(s75 1)
(s76 0)
(s77 1)
(s78 0)
(s79 1)
(s80 0)
(s81 1)
(s82 0)
(s83 1)
(s84 0)
(s85 1)
(s86 0)
(s87 1)
(s88 0)
(s89 1)
(s90 0)
(s91 1)
(s92 0)
(s93 1)
(s94 0)
(s95 1)
(s96 0)
(s97 timeout
1 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 244/252 variables, and 364 constraints, problems are : Problem set: 0 solved, 25 unsolved in 5024 ms.
Refiners :[Domain max(s): 147/154 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 25/25 constraints, State Equation: 147/154 constraints, PredecessorRefiner: 8/25 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9443ms problems are : Problem set: 0 solved, 25 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 30 out of 154 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 154/154 places, 98/98 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 154 transition count 96
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 153 transition count 95
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 153 transition count 95
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 8 place count 153 transition count 95
Applied a total of 8 rules in 113 ms. Remains 153 /154 variables (removed 1) and now considering 95/98 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 113 ms. Remains : 153/154 places, 95/98 transitions.
SDD proceeding with computation,25 properties remain. new max is 16384
SDD size :4.5513e+07 after 6.36458e+07
RANDOM walk for 4000000 steps (53825 resets) in 31590 ms. (126 steps per ms) remains 14/25 properties
BEST_FIRST walk for 4000004 steps (9124 resets) in 7999 ms. (500 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4000003 steps (9146 resets) in 7854 ms. (509 steps per ms) remains 14/14 properties
BEST_FIRST walk for 4000004 steps (8996 resets) in 7397 ms. (540 steps per ms) remains 13/14 properties
BEST_FIRST walk for 4000004 steps (9100 resets) in 7672 ms. (521 steps per ms) remains 13/13 properties
SDD proceeding with computation,25 properties remain. new max is 32768
SDD size :1.26571e+08 after 2.10778e+08
BEST_FIRST walk for 4000003 steps (9141 resets) in 8161 ms. (490 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000003 steps (9120 resets) in 7228 ms. (553 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000004 steps (6979 resets) in 7632 ms. (524 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000004 steps (6986 resets) in 7882 ms. (507 steps per ms) remains 12/13 properties
BEST_FIRST walk for 4000003 steps (6850 resets) in 7295 ms. (548 steps per ms) remains 11/12 properties
BEST_FIRST walk for 4000004 steps (29121 resets) in 8926 ms. (448 steps per ms) remains 11/11 properties
Reachability property qltransition_45 is true.
BEST_FIRST walk for 4000003 steps (29133 resets) in 8137 ms. (491 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000003 steps (29123 resets) in 7990 ms. (500 steps per ms) remains 11/11 properties
SDD proceeding with computation,24 properties remain. new max is 32768
SDD size :2.10778e+08 after 5.75579e+08
BEST_FIRST walk for 4000003 steps (29093 resets) in 7759 ms. (515 steps per ms) remains 11/11 properties
// Phase 1: matrix 95 rows 153 cols
[2025-05-30 06:54:13] [INFO ] Computed 60 invariants in 13 ms
[2025-05-30 06:54:13] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 9/24 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 74/98 variables, 31/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/98 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 45/143 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 11 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (OVERLAPS) 95/238 variables, 143/203 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 2/205 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:54:14] [INFO ] Deduced a trap composed of 11 places in 69 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:54:14] [INFO ] Deduced a trap composed of 16 places in 67 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:54:14] [INFO ] Deduced a trap composed of 17 places in 66 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:54:14] [INFO ] Deduced a trap composed of 18 places in 64 ms of which 8 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/238 variables, 4/209 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/238 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (OVERLAPS) 10/248 variables, 10/219 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:54:15] [INFO ] Deduced a trap composed of 8 places in 62 ms of which 6 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/248 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/248 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 14 (OVERLAPS) 0/248 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 248/248 variables, and 220 constraints, problems are : Problem set: 0 solved, 11 unsolved in 1596 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 153/153 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 9/24 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 74/98 variables, 31/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/98 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 45/143 variables, 24/60 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 5/65 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (OVERLAPS) 95/238 variables, 143/208 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/238 variables, 2/210 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/238 variables, 5/215 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/238 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (OVERLAPS) 10/248 variables, 10/225 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/248 variables, 6/231 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 06:54:17] [INFO ] Deduced a trap composed of 12 places in 64 ms of which 8 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/248 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/248 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 16 (OVERLAPS) 0/248 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 248/248 variables, and 232 constraints, problems are : Problem set: 0 solved, 11 unsolved in 4500 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 153/153 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6131ms problems are : Problem set: 0 solved, 11 unsolved
Finished Parikh walk after 42679 steps, including 197 resets, run visited all 11 properties in 832 ms. (steps per millisecond=51 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 11 properties in 846 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 89 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 57036 ms.

BK_STOP 1748588061081

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -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 QuasiLiveness -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="DES-PT-10a"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 2-5832"
echo " Executing tool itstools"
echo " Input is DES-PT-10a, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r063-smll-174854070500177"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-10a.tgz
mv DES-PT-10a execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;