Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r063-smll-174854070200032.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is DBSingleClientW-PT-d0m10, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r063-smll-174854070200032
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 564K
-rw-r--r-- 1 mcc users 7.0K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 142K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 47K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K 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 6 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 119K 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 1748584196933

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DBSingleClientW-PT-d0m10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-05-30 05:49:59] [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 05:49:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 05:49:59] [INFO ] Load time of PNML (sax parser for PT used): 130 ms
[2025-05-30 05:49:59] [INFO ] Transformed 553 places.
[2025-05-30 05:49:59] [INFO ] Transformed 150 transitions.
[2025-05-30 05:49:59] [INFO ] Parsed PT model containing 553 places and 150 transitions and 600 arcs in 296 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 553/553 places, 150/150 transitions.
Reduce places removed 451 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 462 rules applied. Total rules applied 462 place count 102 transition count 139
Applied a total of 462 rules in 37 ms. Remains 102 /553 variables (removed 451) and now considering 139/150 (removed 11) transitions.
// Phase 1: matrix 139 rows 102 cols
[2025-05-30 05:49:59] [INFO ] Computed 2 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:50:00] [INFO ] Implicit Places using invariants in 556 ms returned []
[2025-05-30 05:50:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-30 05:50:00] [INFO ] State equation strengthened by 63 read => feed constraints.
[2025-05-30 05:50:01] [INFO ] Implicit Places using invariants and state equation in 956 ms returned []
Implicit Place search using SMT with State Equation took 1566 ms to find 0 implicit places.
Running 138 sub problems to find dead transitions.
[2025-05-30 05:50:01] [INFO ] Invariant cache hit.
[2025-05-30 05:50:01] [INFO ] State equation strengthened by 63 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 1 (OVERLAPS) 1/102 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 4 (OVERLAPS) 139/241 variables, 102/104 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 63/167 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:06] [INFO ] Deduced a trap composed of 34 places in 129 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:07] [INFO ] Deduced a trap composed of 35 places in 85 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:07] [INFO ] Deduced a trap composed of 35 places in 105 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:07] [INFO ] Deduced a trap composed of 36 places in 129 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:07] [INFO ] Deduced a trap composed of 36 places in 100 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:07] [INFO ] Deduced a trap composed of 38 places in 104 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:07] [INFO ] Deduced a trap composed of 20 places in 117 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:07] [INFO ] Deduced a trap composed of 20 places in 105 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:08] [INFO ] Deduced a trap composed of 36 places in 97 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:08] [INFO ] Deduced a trap composed of 38 places in 87 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:08] [INFO ] Deduced a trap composed of 38 places in 79 ms of which 11 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/241 variables, 11/178 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/241 variables, 0/178 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:11] [INFO ] Deduced a trap composed of 36 places in 102 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:11] [INFO ] Deduced a trap composed of 36 places in 109 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:12] [INFO ] Deduced a trap composed of 37 places in 92 ms of which 13 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/241 variables, 3/181 constraints. Problems are: Problem set: 0 solved, 138 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/241 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 10 (OVERLAPS) 0/241 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 138 unsolved
No progress, stopping.
After SMT solving in domain Real declared 241/241 variables, and 181 constraints, problems are : Problem set: 0 solved, 138 unsolved in 16931 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 138/138 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 138 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 2 (OVERLAPS) 1/102 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/102 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 6 (OVERLAPS) 139/241 variables, 102/118 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/241 variables, 63/181 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/241 variables, 138/319 constraints. Problems are: Problem set: 0 solved, 138 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/241 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 138 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 241/241 variables, and 319 constraints, problems are : Problem set: 0 solved, 138 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 138/138 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 47298ms problems are : Problem set: 0 solved, 138 unsolved
Search for dead transitions found 0 dead transitions in 47321ms
Starting structural reductions in LIVENESS mode, iteration 1 : 102/553 places, 139/150 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 48963 ms. Remains : 102/553 places, 139/150 transitions.
Discarding 48 transitions out of 139. Remains 91
Initial state reduction rules removed 1 formulas.
[2025-05-30 05:50:49] [INFO ] Flatten gal took : 143 ms
RANDOM walk for 40000 steps (9180 resets) in 2681 ms. (14 steps per ms) remains 52/90 properties
[2025-05-30 05:50:49] [INFO ] Flatten gal took : 43 ms
BEST_FIRST walk for 4001 steps (204 resets) in 56 ms. (70 steps per ms) remains 52/52 properties
[2025-05-30 05:50:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17057895525058174285.gal : 20 ms
BEST_FIRST walk for 4004 steps (194 resets) in 84 ms. (47 steps per ms) remains 51/52 properties
[2025-05-30 05:50:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4200781464794538806.prop : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17057895525058174285.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4200781464794538806.prop' '--nowitness' '--gen-order' 'FOLLOW'

BEST_FIRST walk for 4002 steps (204 resets) in 59 ms. (66 steps per ms) remains 51/51 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 ...329
BEST_FIRST walk for 4003 steps (213 resets) in 128 ms. (31 steps per ms) remains 51/51 properties
Loading property file /tmp/ReachabilityCardinality4200781464794538806.prop.
BEST_FIRST walk for 4001 steps (232 resets) in 54 ms. (72 steps per ms) remains 51/51 properties
BEST_FIRST walk for 4003 steps (190 resets) in 34 ms. (114 steps per ms) remains 51/51 properties
BEST_FIRST walk for 4004 steps (192 resets) in 30 ms. (129 steps per ms) remains 50/51 properties
SDD proceeding with computation,51 properties remain. new max is 4
SDD size :1 after 5
BEST_FIRST walk for 4003 steps (211 resets) in 30 ms. (129 steps per ms) remains 50/50 properties
SDD proceeding with computation,51 properties remain. new max is 8
SDD size :5 after 33
BEST_FIRST walk for 4003 steps (196 resets) in 21 ms. (181 steps per ms) remains 47/50 properties
BEST_FIRST walk for 4001 steps (210 resets) in 24 ms. (160 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4004 steps (190 resets) in 24 ms. (160 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (201 resets) in 19 ms. (200 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (214 resets) in 17 ms. (222 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4002 steps (223 resets) in 26 ms. (148 steps per ms) remains 47/47 properties
SDD proceeding with computation,51 properties remain. new max is 16
SDD size :33 after 205
BEST_FIRST walk for 4003 steps (183 resets) in 25 ms. (153 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4004 steps (191 resets) in 24 ms. (160 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (187 resets) in 32 ms. (121 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4001 steps (198 resets) in 24 ms. (160 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4002 steps (202 resets) in 28 ms. (138 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4001 steps (218 resets) in 37 ms. (105 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4002 steps (199 resets) in 30 ms. (129 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4002 steps (218 resets) in 38 ms. (102 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (193 resets) in 49 ms. (80 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (217 resets) in 26 ms. (148 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (209 resets) in 27 ms. (142 steps per ms) remains 47/47 properties
SDD proceeding with computation,51 properties remain. new max is 32
SDD size :205 after 834
BEST_FIRST walk for 4002 steps (185 resets) in 39 ms. (100 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (222 resets) in 36 ms. (108 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4000 steps (800 resets) in 44 ms. (88 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4000 steps (800 resets) in 56 ms. (70 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (371 resets) in 45 ms. (87 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4001 steps (429 resets) in 53 ms. (74 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (388 resets) in 32 ms. (121 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4002 steps (388 resets) in 37 ms. (105 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4004 steps (397 resets) in 37 ms. (105 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (401 resets) in 36 ms. (108 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4002 steps (381 resets) in 47 ms. (83 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4002 steps (380 resets) in 42 ms. (93 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4004 steps (401 resets) in 35 ms. (111 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4002 steps (396 resets) in 41 ms. (95 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4002 steps (435 resets) in 39 ms. (100 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4002 steps (370 resets) in 81 ms. (48 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4004 steps (416 resets) in 29 ms. (133 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4002 steps (416 resets) in 30 ms. (129 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4001 steps (393 resets) in 40 ms. (97 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4002 steps (418 resets) in 40 ms. (97 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4002 steps (445 resets) in 41 ms. (95 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4002 steps (422 resets) in 35 ms. (111 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4004 steps (384 resets) in 29 ms. (133 steps per ms) remains 47/47 properties
BEST_FIRST walk for 4003 steps (418 resets) in 34 ms. (114 steps per ms) remains 47/47 properties
Reachability property qltransition_119 is true.
Reachability property qltransition_117 is true.
Reachability property qltransition_115 is true.
Reachability property qltransition_111 is true.
BEST_FIRST walk for 4002 steps (432 resets) in 44 ms. (88 steps per ms) remains 47/47 properties
Reachability property qltransition_19 is true.
Reachability property qltransition_12 is true.
SDD proceeding with computation,45 properties remain. new max is 32
SDD size :834 after 18714
BEST_FIRST walk for 4002 steps (383 resets) in 37 ms. (105 steps per ms) remains 47/47 properties
[2025-05-30 05:50:50] [INFO ] Invariant cache hit.
[2025-05-30 05:50:50] [INFO ] State equation strengthened by 63 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 42 unsolved
SDD proceeding with computation,45 properties remain. new max is 64
SDD size :18714 after 128164
At refinement iteration 1 (OVERLAPS) 20/69 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 3 (OVERLAPS) 21/90 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 42 unsolved
SDD proceeding with computation,45 properties remain. new max is 128
SDD size :128164 after 594844
At refinement iteration 4 (INCLUDED_ONLY) 0/90 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 5 (OVERLAPS) 123/213 variables, 90/92 constraints. Problems are: Problem set: 0 solved, 42 unsolved
Reachability property qltransition_85 is true.
SDD proceeding with computation,44 properties remain. new max is 128
SDD size :594844 after 1.69867e+06
SDD proceeding with computation,44 properties remain. new max is 256
SDD size :1.69867e+06 after 2.06878e+06
SDD proceeding with computation,44 properties remain. new max is 512
SDD size :2.06878e+06 after 2.5217e+06
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/213 variables, 47/139 constraints. Problems are: Problem set: 0 solved, 42 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/213 variables, 0/139 constraints. Problems are: Problem set: 1 solved, 41 unsolved
At refinement iteration 8 (OVERLAPS) 28/241 variables, 12/151 constraints. Problems are: Problem set: 1 solved, 41 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/241 variables, 16/167 constraints. Problems are: Problem set: 1 solved, 41 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/241 variables, 0/167 constraints. Problems are: Problem set: 1 solved, 41 unsolved
Reachability property qltransition_104 is true.
Reachability property qltransition_93 is true.
Reachability property qltransition_89 is true.
Reachability property qltransition_21 is true.
SDD proceeding with computation,40 properties remain. new max is 512
SDD size :2.5217e+06 after 9.5543e+06
SDD proceeding with computation,40 properties remain. new max is 1024
SDD size :9.5543e+06 after 1.04904e+07
At refinement iteration 11 (OVERLAPS) 0/241 variables, 0/167 constraints. Problems are: Problem set: 5 solved, 37 unsolved
No progress, stopping.
After SMT solving in domain Real declared 241/241 variables, and 167 constraints, problems are : Problem set: 5 solved, 37 unsolved in 4790 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 42/42 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 37 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 5 solved, 37 unsolved
At refinement iteration 1 (OVERLAPS) 21/65 variables, 1/1 constraints. Problems are: Problem set: 5 solved, 37 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/1 constraints. Problems are: Problem set: 5 solved, 37 unsolved
At refinement iteration 3 (OVERLAPS) 22/87 variables, 1/2 constraints. Problems are: Problem set: 5 solved, 37 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/2 constraints. Problems are: Problem set: 5 solved, 37 unsolved
At refinement iteration 5 (OVERLAPS) 123/210 variables, 87/89 constraints. Problems are: Problem set: 5 solved, 37 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/210 variables, 47/136 constraints. Problems are: Problem set: 5 solved, 37 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/210 variables, 13/149 constraints. Problems are: Problem set: 5 solved, 37 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:56] [INFO ] Deduced a trap composed of 36 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:56] [INFO ] Deduced a trap composed of 37 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:56] [INFO ] Deduced a trap composed of 37 places in 72 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:56] [INFO ] Deduced a trap composed of 38 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:56] [INFO ] Deduced a trap composed of 38 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:56] [INFO ] Deduced a trap composed of 38 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:56] [INFO ] Deduced a trap composed of 38 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:56] [INFO ] Deduced a trap composed of 39 places in 63 ms of which 5 ms to minimize.
SDD proceeding with computation,40 properties remain. new max is 2048
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD size :1.04904e+07 after 2.20986e+07
[2025-05-30 05:50:57] [INFO ] Deduced a trap composed of 38 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:57] [INFO ] Deduced a trap composed of 39 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:57] [INFO ] Deduced a trap composed of 39 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:57] [INFO ] Deduced a trap composed of 40 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:57] [INFO ] Deduced a trap composed of 38 places in 72 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:57] [INFO ] Deduced a trap composed of 39 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:57] [INFO ] Deduced a trap composed of 39 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:57] [INFO ] Deduced a trap composed of 40 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:57] [INFO ] Deduced a trap composed of 37 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:57] [INFO ] Deduced a trap composed of 37 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:57] [INFO ] Deduced a trap composed of 37 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-30 05:50:57] [INFO ] Deduced a trap composed of 38 places in 46 ms of which 4 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/210 variables, 20/169 constraints. Problems are: Problem set: 5 solved, 37 unsolved
Reachability property qltransition_136 is true.
Reachability property qltransition_133 is true.
At refinement iteration 9 (INCLUDED_ONLY) 0/210 variables, 0/169 constraints. Problems are: Problem set: 7 solved, 35 unsolved
SDD proceeding with computation,38 properties remain. new max is 2048
SDD size :2.20986e+07 after 4.51116e+07
At refinement iteration 10 (OVERLAPS) 31/241 variables, 15/184 constraints. Problems are: Problem set: 7 solved, 35 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/241 variables, 16/200 constraints. Problems are: Problem set: 7 solved, 35 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 241/241 variables, and 224 constraints, problems are : Problem set: 7 solved, 35 unsolved in 5027 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 37/42 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9876ms problems are : Problem set: 7 solved, 35 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 41 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 139/139 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 94 transition count 127
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 94 transition count 127
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 18 place count 92 transition count 125
Iterating global reduction 0 with 2 rules applied. Total rules applied 20 place count 92 transition count 125
Applied a total of 20 rules in 57 ms. Remains 92 /102 variables (removed 10) and now considering 125/139 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 92/102 places, 125/139 transitions.
SDD proceeding with computation,38 properties remain. new max is 4096
SDD size :4.51116e+07 after 7.10583e+07
RANDOM walk for 4000000 steps (915179 resets) in 30857 ms. (129 steps per ms) remains 10/35 properties
SDD proceeding with computation,38 properties remain. new max is 8192
SDD size :7.10583e+07 after 1.03381e+08
BEST_FIRST walk for 4000004 steps (197951 resets) in 7242 ms. (552 steps per ms) remains 6/10 properties
BEST_FIRST walk for 4000001 steps (198273 resets) in 4764 ms. (839 steps per ms) remains 4/6 properties
BEST_FIRST walk for 4000000 steps (800000 resets) in 7398 ms. (540 steps per ms) remains 4/4 properties
SDD proceeding with computation,38 properties remain. new max is 16384
SDD size :1.03381e+08 after 1.28552e+08
BEST_FIRST walk for 4000001 steps (404369 resets) in 5812 ms. (688 steps per ms) remains 3/4 properties
BEST_FIRST walk for 4000003 steps (404544 resets) in 5622 ms. (711 steps per ms) remains 3/3 properties
// Phase 1: matrix 125 rows 92 cols
[2025-05-30 05:51:18] [INFO ] Computed 2 invariants in 3 ms
[2025-05-30 05:51:18] [INFO ] State equation strengthened by 55 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 31/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 26/63 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 85/148 variables, 63/65 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/148 variables, 15/80 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/148 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 59/207 variables, 24/104 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/207 variables, 35/139 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/207 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 10/217 variables, 5/144 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/217 variables, 5/149 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/217 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (OVERLAPS) 0/217 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 217/217 variables, and 149 constraints, problems are : Problem set: 0 solved, 3 unsolved in 325 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 92/92 constraints, ReadFeed: 55/55 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 31/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 26/63 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 85/148 variables, 63/65 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/148 variables, 15/80 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/148 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 59/207 variables, 24/105 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/207 variables, 35/140 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/207 variables, 2/142 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/207 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 10/217 variables, 5/147 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/217 variables, 5/152 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/217 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 0/217 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 217/217 variables, and 152 constraints, problems are : Problem set: 0 solved, 3 unsolved in 594 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 92/92 constraints, ReadFeed: 55/55 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 931ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 2 properties in 172 ms.
Support contains 2 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 125/125 transitions.
Discarding 15 places :
Symmetric choice reduction at 0 with 15 rule applications. Total rules 15 place count 77 transition count 96
Iterating global reduction 0 with 15 rules applied. Total rules applied 30 place count 77 transition count 96
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 40 place count 67 transition count 86
Iterating global reduction 0 with 10 rules applied. Total rules applied 50 place count 67 transition count 86
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 52 place count 67 transition count 84
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 55 place count 64 transition count 78
Iterating global reduction 1 with 3 rules applied. Total rules applied 58 place count 64 transition count 78
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 59 place count 64 transition count 77
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 61 place count 62 transition count 74
Iterating global reduction 2 with 2 rules applied. Total rules applied 63 place count 62 transition count 74
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 65 place count 60 transition count 72
Iterating global reduction 2 with 2 rules applied. Total rules applied 67 place count 60 transition count 72
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 69 place count 60 transition count 70
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 70 place count 59 transition count 69
Iterating global reduction 3 with 1 rules applied. Total rules applied 71 place count 59 transition count 69
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 73 place count 59 transition count 67
Applied a total of 73 rules in 37 ms. Remains 59 /92 variables (removed 33) and now considering 67/125 (removed 58) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 59/92 places, 67/125 transitions.
RANDOM walk for 4000000 steps (917416 resets) in 6396 ms. (625 steps per ms) remains 1/1 properties
BEST_FIRST walk for 4000000 steps (800000 resets) in 4274 ms. (935 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 5184 steps, run visited all 1 properties in 39 ms. (steps per millisecond=132 )
Probabilistic random walk after 5184 steps, saw 2329 distinct states, run finished after 46 ms. (steps per millisecond=112 ) properties seen :1
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 91 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 83983 ms.

BK_STOP 1748584283086

--------------------
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="DBSingleClientW-PT-d0m10"
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 DBSingleClientW-PT-d0m10, 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-174854070200032"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d0m10.tgz
mv DBSingleClientW-PT-d0m10 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 ;