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.r088-smll-177946995300242.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 itstools
Input is DES-PT-20b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r088-smll-177946995300242
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 8.0K Mar 6 18:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Mar 6 18:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 6 18:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 18:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K Mar 6 18:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K Mar 6 18:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Mar 6 18:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 6 18:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:57 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 91K 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779495606977

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-20b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-23 00:20:09] [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]
[2026-05-23 00:20:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 00:20:10] [INFO ] Load time of PNML (sax parser for PT used): 268 ms
[2026-05-23 00:20:10] [INFO ] Transformed 360 places.
[2026-05-23 00:20:10] [INFO ] Transformed 311 transitions.
[2026-05-23 00:20:10] [INFO ] Found NUPN structural information;
[2026-05-23 00:20:10] [INFO ] Parsed PT model containing 360 places and 311 transitions and 987 arcs in 679 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 360/360 places, 311/311 transitions.
Reduce places removed 3 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 23 transitions
Trivial Post-agglo rules discarded 23 transitions
Performed 23 trivial Post agglomeration. Transition count delta: 23
Iterating post reduction 0 with 26 rules applied. Total rules applied 26 place count 357 transition count 288
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 1 with 23 rules applied. Total rules applied 49 place count 334 transition count 288
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 49 place count 334 transition count 279
Deduced a syphon composed of 9 places in 5 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 67 place count 325 transition count 279
Performed 91 Post agglomeration using F-continuation condition.Transition count delta: 91
Deduced a syphon composed of 91 places in 2 ms
Reduce places removed 91 places and 0 transitions.
Iterating global reduction 2 with 182 rules applied. Total rules applied 249 place count 234 transition count 188
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -16
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 257 place count 230 transition count 204
Applied a total of 257 rules in 212 ms. Remains 230 /360 variables (removed 130) and now considering 204/311 (removed 107) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9855947845641236615.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12928652272865729821.kers'
[2026-05-23 00:20:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9855947845641236615.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12928652272865729821.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 204 rows 229 cols 1006 entries
Finished phase 1 with 53 SingleSign rule and 115 generalized
[2026-05-23 00:20:11] [INFO ] Computed 62 invariants in 3 ms
Computed 62 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-12928652272865729821.kers
Total runtime 6 ms.
[2026-05-23 00:20:12] [INFO ] Implicit Places using invariants in 1763 ms returned [115]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1843 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 229/360 places, 204/311 transitions.
Applied a total of 0 rules in 8 ms. Remains 229 /229 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 2102 ms. Remains : 229/360 places, 204/311 transitions.
Discarding 45 transitions out of 204. Remains 159
Initial state reduction rules removed 1 formulas.
[2026-05-23 00:20:13] [INFO ] Flatten gal took : 252 ms
[2026-05-23 00:20:13] [INFO ] Flatten gal took : 66 ms
[2026-05-23 00:20:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13947721174508234410.gal : 34 ms
[2026-05-23 00:20:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5733737339758548784.prop : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13947721174508234410.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5733737339758548784.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality5733737339758548784.prop.
RANDOM walk for 40000 steps (1376 resets) in 4372 ms. (9 steps per ms) remains 69/158 properties
BEST_FIRST walk for 4003 steps (14 resets) in 54 ms. (72 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4004 steps (23 resets) in 55 ms. (71 steps per ms) remains 69/69 properties
Reachability property qltransition_171 is true.
Reachability property qltransition_161 is true.
BEST_FIRST walk for 4004 steps (21 resets) in 63 ms. (62 steps per ms) remains 69/69 properties
Reachability property qltransition_34 is true.
Reachability property qltransition_33 is true.
BEST_FIRST walk for 4004 steps (20 resets) in 59 ms. (66 steps per ms) remains 69/69 properties
SDD proceeding with computation,154 properties remain. new max is 2
SDD size :1 after 3
Reachability property qltransition_183 is true.
Reachability property qltransition_180 is true.
BEST_FIRST walk for 4002 steps (22 resets) in 50 ms. (78 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4004 steps (20 resets) in 80 ms. (49 steps per ms) remains 69/69 properties
Reachability property qltransition_32 is true.
Reachability property qltransition_11 is true.
Reachability property qltransition_10 is true.
Reachability property qltransition_7 is true.
Reachability property qltransition_4 is true.
SDD proceeding with computation,147 properties remain. new max is 2
SDD size :3 after 8
BEST_FIRST walk for 4004 steps (20 resets) in 41 ms. (95 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4004 steps (23 resets) in 33 ms. (117 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4003 steps (23 resets) in 32 ms. (121 steps per ms) remains 69/69 properties
SDD proceeding with computation,147 properties remain. new max is 4
SDD size :8 after 10
BEST_FIRST walk for 4003 steps (20 resets) in 28 ms. (138 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4003 steps (22 resets) in 31 ms. (125 steps per ms) remains 69/69 properties
SDD proceeding with computation,147 properties remain. new max is 8
SDD size :10 after 12
BEST_FIRST walk for 4004 steps (18 resets) in 31 ms. (125 steps per ms) remains 69/69 properties
BEST_FIRST walk for 4003 steps (21 resets) in 30 ms. (129 steps per ms) remains 68/69 properties
BEST_FIRST walk for 4004 steps (19 resets) in 31 ms. (125 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (20 resets) in 28 ms. (138 steps per ms) remains 68/68 properties
Reachability property qltransition_82 is true.
Reachability property qltransition_58 is true.
Reachability property qltransition_57 is true.
Reachability property qltransition_56 is true.
Reachability property qltransition_55 is true.
Reachability property qltransition_54 is true.
BEST_FIRST walk for 4003 steps (20 resets) in 32 ms. (121 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4002 steps (17 resets) in 21 ms. (181 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4002 steps (16 resets) in 18 ms. (210 steps per ms) remains 68/68 properties
SDD proceeding with computation,141 properties remain. new max is 8
SDD size :12 after 147
BEST_FIRST walk for 4004 steps (14 resets) in 18 ms. (210 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (15 resets) in 39 ms. (100 steps per ms) remains 68/68 properties
Reachability property qltransition_101 is true.
Reachability property qltransition_90 is true.
Reachability property qltransition_83 is true.
BEST_FIRST walk for 4004 steps (16 resets) in 21 ms. (182 steps per ms) remains 68/68 properties
Reachability property qltransition_35 is true.
BEST_FIRST walk for 4001 steps (17 resets) in 18 ms. (210 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4003 steps (17 resets) in 15 ms. (250 steps per ms) remains 68/68 properties
SDD proceeding with computation,137 properties remain. new max is 8
BEST_FIRST walk for 4004 steps (16 resets) in 22 ms. (174 steps per ms) remains 68/68 properties
SDD size :147 after 393
BEST_FIRST walk for 4004 steps (15 resets) in 16 ms. (235 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4003 steps (17 resets) in 20 ms. (190 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (18 resets) in 14 ms. (266 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4002 steps (19 resets) in 13 ms. (285 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (19 resets) in 16 ms. (235 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (16 resets) in 15 ms. (250 steps per ms) remains 68/68 properties
SDD proceeding with computation,137 properties remain. new max is 16
SDD size :393 after 441
BEST_FIRST walk for 4003 steps (15 resets) in 23 ms. (166 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (18 resets) in 16 ms. (235 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (18 resets) in 20 ms. (190 steps per ms) remains 68/68 properties
SDD proceeding with computation,137 properties remain. new max is 32
SDD size :441 after 453
BEST_FIRST walk for 4004 steps (14 resets) in 77 ms. (51 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (18 resets) in 24 ms. (160 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (19 resets) in 19 ms. (200 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (15 resets) in 19 ms. (200 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (18 resets) in 21 ms. (182 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4003 steps (15 resets) in 21 ms. (181 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (19 resets) in 21 ms. (182 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4003 steps (18 resets) in 21 ms. (181 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4003 steps (14 resets) in 20 ms. (190 steps per ms) remains 68/68 properties
Reachability property qltransition_201 is true.
Reachability property qltransition_198 is true.
Reachability property qltransition_195 is true.
Reachability property qltransition_192 is true.
Reachability property qltransition_189 is true.
Reachability property qltransition_186 is true.
BEST_FIRST walk for 4003 steps (20 resets) in 21 ms. (181 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4003 steps (16 resets) in 16 ms. (235 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4003 steps (16 resets) in 14 ms. (266 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (15 resets) in 18 ms. (210 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (17 resets) in 21 ms. (182 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (15 resets) in 43 ms. (91 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (15 resets) in 20 ms. (190 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (18 resets) in 18 ms. (210 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4003 steps (19 resets) in 21 ms. (181 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4003 steps (16 resets) in 21 ms. (181 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4003 steps (13 resets) in 29 ms. (133 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (19 resets) in 28 ms. (138 steps per ms) remains 68/68 properties
Reachability property qltransition_100 is true.
Reachability property qltransition_99 is true.
Reachability property qltransition_98 is true.
Reachability property qltransition_97 is true.
Reachability property qltransition_96 is true.
Reachability property qltransition_77 is true.
BEST_FIRST walk for 4004 steps (20 resets) in 25 ms. (154 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (16 resets) in 22 ms. (174 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (19 resets) in 20 ms. (190 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (18 resets) in 21 ms. (182 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (17 resets) in 17 ms. (222 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4002 steps (18 resets) in 21 ms. (181 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4003 steps (17 resets) in 21 ms. (181 steps per ms) remains 68/68 properties
BEST_FIRST walk for 4004 steps (19 resets) in 25 ms. (154 steps per ms) remains 68/68 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18387875985561199977.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4392265620660195.kers'
[2026-05-23 00:20:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18387875985561199977.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4392265620660195.kers]
SDD proceeding with computation,125 properties remain. new max is 32
Culled 0 columns in 0 ms.
// Phase 1: matrix 204 rows 229 cols 1006 entries
SDD size :453 after 14277
Finished phase 1 with 53 SingleSign rule and 115 generalized
[2026-05-23 00:20:14] [INFO ] Computed 61 invariants in 6 ms
Computed 61 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-4392265620660195.kers
Total runtime 7 ms.
[2026-05-23 00:20:14] [INFO ] State equation strengthened by 6 read => feed constraints.
Reachability property qltransition_76 is true.
SDD proceeding with computation,124 properties remain. new max is 32
SDD size :14277 after 21605
Reachability property qltransition_177 is true.
Reachability property qltransition_174 is true.
Reachability property qltransition_168 is true.
Reachability property qltransition_165 is true.
Reachability property qltransition_162 is true.
Reachability property qltransition_36 is true.
SDD proceeding with computation,118 properties remain. new max is 32
SDD size :21605 after 33957
SDD proceeding with computation,118 properties remain. new max is 64
SDD size :33957 after 34483
SDD proceeding with computation,118 properties remain. new max is 128
SDD size :34483 after 53683
Reachability property qltransition_31 is true.
SDD proceeding with computation,117 properties remain. new max is 128
SDD size :53683 after 144597
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 76/76 constraints. Problems are: Problem set: 0 solved, 68 unsolved
SDD proceeding with computation,117 properties remain. new max is 256
SDD size :144597 after 215443
Reachability property qltransition_95 is true.
Reachability property qltransition_91 is true.
Reachability property qltransition_75 is true.
Reachability property qltransition_74 is true.
SDD proceeding with computation,113 properties remain. new max is 256
SDD size :215443 after 3.20442e+06
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 68 unsolved
At refinement iteration 2 (OVERLAPS) 20/96 variables, 6/82 constraints. Problems are: Problem set: 0 solved, 68 unsolved
Reachability property qltransition_160 is true.
Reachability property qltransition_141 is true.
Reachability property qltransition_140 is true.
Reachability property qltransition_139 is true.
Reachability property qltransition_138 is true.
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 20/102 constraints. Problems are: Problem set: 0 solved, 68 unsolved
Reachability property qltransition_92 is true.
Reachability property qltransition_89 is true.
Reachability property qltransition_65 is true.
Reachability property qltransition_63 is true.
Reachability property qltransition_61 is true.
Reachability property qltransition_59 is true.
Reachability property qltransition_3 is true.
SDD proceeding with computation,101 properties remain. new max is 256
SDD size :3.20442e+06 after 1.69559e+07
Reachability property qltransition_135 is true.
Reachability property qltransition_37 is true.
Reachability property qltransition_2 is true.
SDD proceeding with computation,98 properties remain. new max is 256
SDD size :1.69559e+07 after 3.28738e+07
Reachability property qltransition_30 is true.
SDD proceeding with computation,97 properties remain. new max is 256
SDD size :3.28738e+07 after 3.33054e+07
SDD proceeding with computation,97 properties remain. new max is 512
SDD size :3.33054e+07 after 3.64895e+07
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 68 unsolved
At refinement iteration 5 (OVERLAPS) 65/161 variables, 26/128 constraints. Problems are: Problem set: 0 solved, 68 unsolved
SDD proceeding with computation,97 properties remain. new max is 1024
SDD size :3.64895e+07 after 3.75681e+07
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 65/193 constraints. Problems are: Problem set: 0 solved, 68 unsolved
SDD proceeding with computation,97 properties remain. new max is 2048
SDD size :3.75681e+07 after 1.1331e+08
At refinement iteration 7 (INCLUDED_ONLY) 0/161 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 68 unsolved
At refinement iteration 8 (OVERLAPS) 58/219 variables, 27/220 constraints. Problems are: Problem set: 0 solved, 68 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/219 variables, 58/278 constraints. Problems are: Problem set: 0 solved, 68 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 219/433 variables, and 278 constraints, problems are : Problem set: 0 solved, 68 unsolved in 5026 ms.
Refiners :[Domain max(s): 219/229 constraints, Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 27/29 constraints, State Equation: 0/229 constraints, ReadFeed: 0/6 constraints, PredecessorRefiner: 68/68 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 68 unsolved
Reachability property qltransition_159 is true.
Reachability property qltransition_134 is true.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 76/76 constraints. Problems are: Problem set: 0 solved, 68 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 68 unsolved
At refinement iteration 2 (OVERLAPS) 20/96 variables, 6/82 constraints. Problems are: Problem set: 0 solved, 68 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/96 variables, 20/102 constraints. Problems are: Problem set: 0 solved, 68 unsolved
Reachability property qltransition_29 is true.
At refinement iteration 4 (INCLUDED_ONLY) 0/96 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 68 unsolved
At refinement iteration 5 (OVERLAPS) 65/161 variables, 26/128 constraints. Problems are: Problem set: 0 solved, 68 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 65/193 constraints. Problems are: Problem set: 0 solved, 68 unsolved
SDD proceeding with computation,94 properties remain. new max is 2048
SDD size :1.1331e+08 after 5.69711e+08
At refinement iteration 7 (INCLUDED_ONLY) 0/161 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 68 unsolved
At refinement iteration 8 (OVERLAPS) 58/219 variables, 27/220 constraints. Problems are: Problem set: 0 solved, 68 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/219 variables, 58/278 constraints. Problems are: Problem set: 0 solved, 68 unsolved
Reachability property qltransition_129 is true.
Reachability property qltransition_128 is true.
Reachability property qltransition_127 is true.
Reachability property qltransition_126 is true.
Reachability property qltransition_125 is true.
Reachability property qltransition_124 is true.
At refinement iteration 10 (INCLUDED_ONLY) 0/219 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 68 unsolved
At refinement iteration 11 (OVERLAPS) 4/223 variables, 2/280 constraints. Problems are: Problem set: 0 solved, 68 unsolved
Reachability property qltransition_73 is true.
Reachability property qltransition_72 is true.
Reachability property qltransition_71 is true.
Reachability property qltransition_70 is true.
Reachability property qltransition_69 is true.
Reachability property qltransition_68 is true.
Reachability property qltransition_67 is true.
Reachability property qltransition_66 is true.
At refinement iteration 12 (INCLUDED_ONLY) 0/223 variables, 4/284 constraints. Problems are: Problem set: 0 solved, 68 unsolved
Reachability property qltransition_38 is true.
SDD proceeding with computation,79 properties remain. new max is 2048
SDD size :7.42683e+08 after 8.68639e+10
At refinement iteration 13 (INCLUDED_ONLY) 0/223 variables, 0/284 constraints. Problems are: Problem set: 1 solved, 67 unsolved
At refinement iteration 14 (OVERLAPS) 204/427 variables, 223/507 constraints. Problems are: Problem set: 1 solved, 67 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/427 variables, 6/513 constraints. Problems are: Problem set: 1 solved, 67 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 427/433 variables, and 533 constraints, problems are : Problem set: 1 solved, 67 unsolved in 5025 ms.
Refiners :[Domain max(s): 223/229 constraints, Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 223/229 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 20/68 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10209ms problems are : Problem set: 1 solved, 67 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 75 out of 229 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 229/229 places, 204/204 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 229 transition count 203
Discarding 17 places :
Symmetric choice reduction at 1 with 17 rule applications. Total rules 18 place count 212 transition count 166
Iterating global reduction 1 with 17 rules applied. Total rules applied 35 place count 212 transition count 166
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 45 place count 212 transition count 156
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 45 place count 212 transition count 153
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 51 place count 209 transition count 153
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 55 place count 205 transition count 149
Iterating global reduction 2 with 4 rules applied. Total rules applied 59 place count 205 transition count 149
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 63 place count 205 transition count 145
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 65 place count 204 transition count 145
Free-agglomeration rule applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 66 place count 204 transition count 144
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 67 place count 203 transition count 144
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 68 place count 203 transition count 143
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 69 place count 202 transition count 143
Applied a total of 69 rules in 124 ms. Remains 202 /229 variables (removed 27) and now considering 143/204 (removed 61) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 124 ms. Remains : 202/229 places, 143/204 transitions.
Reachability property qltransition_137 is true.
Reachability property qltransition_136 is true.
Reachability property qltransition_132 is true.
Reachability property qltransition_131 is true.
Reachability property qltransition_130 is true.
Reachability property qltransition_123 is true.
Reachability property qltransition_122 is true.
Reachability property qltransition_121 is true.
SDD proceeding with computation,71 properties remain. new max is 2048
SDD size :5.18773e+11 after 5.34213e+11
SDD proceeding with computation,71 properties remain. new max is 4096
SDD size :5.34213e+11 after 5.34367e+11
RANDOM walk for 4000000 steps (183660 resets) in 46381 ms. (86 steps per ms) remains 64/67 properties
BEST_FIRST walk for 400003 steps (3822 resets) in 1661 ms. (240 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (4486 resets) in 1325 ms. (301 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (4421 resets) in 1316 ms. (303 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400002 steps (4462 resets) in 1290 ms. (309 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400002 steps (4453 resets) in 1489 ms. (268 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400002 steps (4503 resets) in 1476 ms. (270 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (4471 resets) in 1410 ms. (283 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (4437 resets) in 1432 ms. (279 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (4447 resets) in 1567 ms. (255 steps per ms) remains 64/64 properties
Reachability property qltransition_64 is true.
Reachability property qltransition_62 is true.
Reachability property qltransition_60 is true.
BEST_FIRST walk for 400004 steps (4415 resets) in 1551 ms. (257 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400002 steps (4438 resets) in 1349 ms. (296 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (4462 resets) in 1457 ms. (274 steps per ms) remains 64/64 properties
SDD proceeding with computation,68 properties remain. new max is 4096
SDD size :5.34367e+11 after 5.34876e+11
BEST_FIRST walk for 400001 steps (4450 resets) in 1451 ms. (275 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (4447 resets) in 1288 ms. (310 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (4463 resets) in 1325 ms. (301 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (3565 resets) in 1204 ms. (331 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (3630 resets) in 1207 ms. (331 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (3575 resets) in 1196 ms. (334 steps per ms) remains 64/64 properties
Reachability property qltransition_39 is true.
BEST_FIRST walk for 400003 steps (3569 resets) in 1333 ms. (299 steps per ms) remains 64/64 properties
SDD proceeding with computation,67 properties remain. new max is 4096
SDD size :5.34876e+11 after 5.35132e+11
BEST_FIRST walk for 400004 steps (3564 resets) in 1194 ms. (334 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400002 steps (3571 resets) in 1073 ms. (372 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (3572 resets) in 1431 ms. (279 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (3532 resets) in 1320 ms. (302 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (3609 resets) in 1264 ms. (316 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (3571 resets) in 1207 ms. (331 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (3553 resets) in 1502 ms. (266 steps per ms) remains 64/64 properties
Reachability property qltransition_158 is true.
BEST_FIRST walk for 400004 steps (3608 resets) in 1224 ms. (326 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (3580 resets) in 1213 ms. (329 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (3595 resets) in 1313 ms. (304 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (3556 resets) in 1370 ms. (291 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (3809 resets) in 1298 ms. (307 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (3807 resets) in 1231 ms. (324 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (3744 resets) in 1290 ms. (309 steps per ms) remains 64/64 properties
Reachability property qltransition_1 is true.
SDD proceeding with computation,65 properties remain. new max is 4096
SDD size :5.35132e+11 after 5.70653e+11
BEST_FIRST walk for 400000 steps (3763 resets) in 1501 ms. (266 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (3880 resets) in 1292 ms. (309 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (3804 resets) in 1265 ms. (315 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (3805 resets) in 1301 ms. (307 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (3838 resets) in 1347 ms. (296 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (3791 resets) in 1327 ms. (301 steps per ms) remains 64/64 properties
SDD proceeding with computation,65 properties remain. new max is 8192
SDD size :5.70653e+11 after 5.75896e+11
BEST_FIRST walk for 400003 steps (3798 resets) in 1174 ms. (340 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (3798 resets) in 1311 ms. (304 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (3758 resets) in 1202 ms. (332 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (3833 resets) in 1186 ms. (336 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (3775 resets) in 1451 ms. (275 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (3690 resets) in 1195 ms. (334 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (3779 resets) in 1399 ms. (285 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400003 steps (3736 resets) in 1390 ms. (287 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400002 steps (3840 resets) in 1317 ms. (303 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (3819 resets) in 1337 ms. (298 steps per ms) remains 64/64 properties
BEST_FIRST walk for 400004 steps (3862 resets) in 1407 ms. (284 steps per ms) remains 64/64 properties
Finished probabilistic random walk after 443585 steps, run visited all 64 properties in 3511 ms. (steps per millisecond=126 )
Probabilistic random walk after 443585 steps, saw 104332 distinct states, run finished after 3525 ms. (steps per millisecond=125 ) properties seen :64
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 159 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 57217 ms.

BK_STOP 1779495667094

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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-20b"
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 2-5973"
echo " Executing tool itstools"
echo " Input is DES-PT-20b, 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 r088-smll-177946995300242"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-20b.tgz
mv DES-PT-20b 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 ;