About the Execution of ITS-Tools for DES-PT-40a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 3193.279 | 318300.00 | 710806.00 | 627.20 | FTFTTTTTTTFTFFFT | normal |
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.r082-smll-177946993700415.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-40a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993700415
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 528K
-rw-r--r-- 1 mcc users 8.0K Mar 6 18:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 6 18:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 6 18:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 6 18:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:58 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:58 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:58 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:58 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 122K Mar 6 18:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 6 18:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 6 18:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:58 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:58 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 83K 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
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DES-PT-40a-ReachabilityFireability-2024-00
FORMULA_NAME DES-PT-40a-ReachabilityFireability-2024-01
FORMULA_NAME DES-PT-40a-ReachabilityFireability-2024-02
FORMULA_NAME DES-PT-40a-ReachabilityFireability-2024-03
FORMULA_NAME DES-PT-40a-ReachabilityFireability-2024-04
FORMULA_NAME DES-PT-40a-ReachabilityFireability-2024-05
FORMULA_NAME DES-PT-40a-ReachabilityFireability-2024-06
FORMULA_NAME DES-PT-40a-ReachabilityFireability-2024-07
FORMULA_NAME DES-PT-40a-ReachabilityFireability-2024-08
FORMULA_NAME DES-PT-40a-ReachabilityFireability-2024-09
FORMULA_NAME DES-PT-40a-ReachabilityFireability-2024-10
FORMULA_NAME DES-PT-40a-ReachabilityFireability-2024-11
FORMULA_NAME DES-PT-40a-ReachabilityFireability-2024-12
FORMULA_NAME DES-PT-40a-ReachabilityFireability-2024-13
FORMULA_NAME DES-PT-40a-ReachabilityFireability-2024-14
FORMULA_NAME DES-PT-40a-ReachabilityFireability-2024-15
=== Now, execution of the tool begins
BK_START 1779712301256
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DES-PT-40a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-25 12:31:43] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 12:31:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 12:31:43] [INFO ] Load time of PNML (sax parser for PT used): 186 ms
[2026-05-25 12:31:43] [INFO ] Transformed 274 places.
[2026-05-25 12:31:43] [INFO ] Transformed 231 transitions.
[2026-05-25 12:31:43] [INFO ] Found NUPN structural information;
[2026-05-25 12:31:43] [INFO ] Parsed PT model containing 274 places and 231 transitions and 1116 arcs in 406 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 29 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
RANDOM walk for 40000 steps (893 resets) in 1987 ms. (20 steps per ms) remains 13/16 properties
FORMULA DES-PT-40a-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-40a-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DES-PT-40a-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-25 12:31:44] [INFO ] Flatten gal took : 134 ms
[2026-05-25 12:31:44] [INFO ] Flatten gal took : 68 ms
[2026-05-25 12:31:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2831936226270015738.gal : 44 ms
[2026-05-25 12:31:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16814090573958160684.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/ReachabilityCardinality2831936226270015738.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16814090573958160684.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (160 resets) in 1026 ms. (38 steps per ms) remains 13/13 properties
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/ReachabilityCardinality16814090573958160684.prop.
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :5 after 14
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :14 after 17
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :17 after 55
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :55 after 67
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :67 after 173
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :173 after 1587
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :1587 after 3869
BEST_FIRST walk for 40004 steps (254 resets) in 1594 ms. (25 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 1024
SDD size :3869 after 173233
BEST_FIRST walk for 40003 steps (256 resets) in 256 ms. (155 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (191 resets) in 202 ms. (197 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (222 resets) in 272 ms. (146 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (187 resets) in 168 ms. (236 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (256 resets) in 188 ms. (211 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (205 resets) in 142 ms. (279 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (232 resets) in 725 ms. (55 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (202 resets) in 401 ms. (99 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 2048
SDD size :173233 after 518545
BEST_FIRST walk for 40002 steps (241 resets) in 233 ms. (170 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (204 resets) in 408 ms. (97 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (206 resets) in 253 ms. (157 steps per ms) remains 13/13 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6066835929923912005.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2882613705683466615.kers'
[2026-05-25 12:31:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6066835929923912005.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2882613705683466615.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 217 rows 273 cols 1049 entries
Finished phase 1 with 94 SingleSign rule and 121 generalized
[2026-05-25 12:31:46] [INFO ] Computed 59 invariants in 2 ms
Computed 59 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-2882613705683466615.kers
Total runtime 4 ms.
[2026-05-25 12:31:46] [INFO ] State equation strengthened by 1 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/141 variables, 141/141 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Problem DES-PT-40a-ReachabilityFireability-2024-12 is UNSAT
FORMULA DES-PT-40a-ReachabilityFireability-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (INCLUDED_ONLY) 0/141 variables, 9/150 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/141 variables, 1/151 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/141 variables, 0/151 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 35/176 variables, 26/177 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/176 variables, 35/212 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/176 variables, 2/214 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/176 variables, 0/214 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 77/253 variables, 20/234 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/253 variables, 77/311 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/253 variables, 0/311 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 11 (OVERLAPS) 1/254 variables, 1/312 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/254 variables, 1/313 constraints. Problems are: Problem set: 1 solved, 12 unsolved
SDD proceeding with computation,13 properties remain. new max is 4096
SDD size :518545 after 4.45966e+06
At refinement iteration 13 (INCLUDED_ONLY) 0/254 variables, 0/313 constraints. Problems are: Problem set: 1 solved, 12 unsolved
At refinement iteration 14 (OVERLAPS) 217/471 variables, 254/567 constraints. Problems are: Problem set: 1 solved, 12 unsolved
SMT process timed out in 5229ms, After SMT, problems are : Problem set: 1 solved, 12 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 120 out of 274 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 274/274 places, 217/217 transitions.
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 274 transition count 217
Applied a total of 2 rules in 91 ms. Remains 274 /274 variables (removed 0) and now considering 217/217 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 104 ms. Remains : 274/274 places, 217/217 transitions.
RANDOM walk for 40000 steps (909 resets) in 692 ms. (57 steps per ms) remains 11/12 properties
FORMULA DES-PT-40a-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (172 resets) in 237 ms. (168 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (257 resets) in 385 ms. (103 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (269 resets) in 178 ms. (223 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (181 resets) in 115 ms. (344 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (233 resets) in 263 ms. (151 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40001 steps (170 resets) in 203 ms. (196 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (260 resets) in 193 ms. (206 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (206 resets) in 176 ms. (226 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40002 steps (234 resets) in 386 ms. (103 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (204 resets) in 493 ms. (80 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40003 steps (210 resets) in 280 ms. (142 steps per ms) remains 11/11 properties
Interrupted probabilistic random walk after 462443 steps, run timeout after 3001 ms. (steps per millisecond=154 ) properties seen :0 out of 11
Probabilistic random walk after 462443 steps, saw 80576 distinct states, run finished after 3012 ms. (steps per millisecond=153 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1061777508530735817.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1026517186209795396.kers'
[2026-05-25 12:31:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1061777508530735817.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1026517186209795396.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 217 rows 273 cols 1053 entries
Finished phase 1 with 93 SingleSign rule and 122 generalized
[2026-05-25 12:31:56] [INFO ] Computed 59 invariants in 2 ms
Computed 59 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-1026517186209795396.kers
Total runtime 5 ms.
[2026-05-25 12:31:56] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/113 variables, 113/113 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/113 variables, 8/121 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/113 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (OVERLAPS) 39/152 variables, 27/149 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/152 variables, 39/188 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/152 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/152 variables, 0/189 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (OVERLAPS) 96/248 variables, 21/210 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/248 variables, 96/306 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/248 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 11 (OVERLAPS) 1/249 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/249 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/249 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Problem DES-PT-40a-ReachabilityFireability-2024-14 is UNSAT
FORMULA DES-PT-40a-ReachabilityFireability-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 14 (OVERLAPS) 217/466 variables, 249/557 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/466 variables, 1/558 constraints. Problems are: Problem set: 1 solved, 10 unsolved
SDD proceeding with computation,13 properties remain. new max is 8192
SDD size :4.45966e+06 after 1.60611e+07
At refinement iteration 16 (INCLUDED_ONLY) 0/466 variables, 0/558 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 17 (OVERLAPS) 25/491 variables, 25/583 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/491 variables, 25/608 constraints. Problems are: Problem set: 1 solved, 10 unsolved
SDD proceeding with computation,13 properties remain. new max is 16384
SDD size :4.5513e+07 after 4.72752e+07
At refinement iteration 19 (INCLUDED_ONLY) 0/491 variables, 0/608 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 20 (OVERLAPS) 0/491 variables, 0/608 constraints. Problems are: Problem set: 1 solved, 10 unsolved
SDD proceeding with computation,13 properties remain. new max is 32768
SDD size :4.72752e+07 after 5.2803e+07
No progress, stopping.
After SMT solving in domain Real declared 491/491 variables, and 608 constraints, problems are : Problem set: 1 solved, 10 unsolved in 45009 ms.
Refiners :[Domain max(s): 274/274 constraints, Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 274/274 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 11/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 82/82 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 2/84 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/82 variables, 1/85 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/82 variables, 0/85 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 53/135 variables, 33/118 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/135 variables, 53/171 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/135 variables, 0/171 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 112/247 variables, 22/193 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/247 variables, 112/305 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/247 variables, 1/306 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/247 variables, 0/306 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 11 (OVERLAPS) 1/248 variables, 1/307 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/248 variables, 1/308 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/248 variables, 0/308 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 14 (OVERLAPS) 217/465 variables, 248/556 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/465 variables, 1/557 constraints. Problems are: Problem set: 1 solved, 10 unsolved
SDD proceeding with computation,13 properties remain. new max is 65536
SDD size :5.2803e+07 after 7.32792e+07
At refinement iteration 16 (INCLUDED_ONLY) 0/465 variables, 4/561 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/465 variables, 0/561 constraints. Problems are: Problem set: 1 solved, 10 unsolved
SMT process timed out in 90112ms, After SMT, problems are : Problem set: 1 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 82 out of 274 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 274/274 places, 217/217 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 273 transition count 216
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 273 transition count 216
Applied a total of 2 rules in 31 ms. Remains 273 /274 variables (removed 1) and now considering 216/217 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 273/274 places, 216/217 transitions.
RANDOM walk for 40000 steps (899 resets) in 651 ms. (61 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (177 resets) in 124 ms. (320 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (261 resets) in 351 ms. (113 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (256 resets) in 132 ms. (300 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (185 resets) in 131 ms. (303 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (234 resets) in 157 ms. (253 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (182 resets) in 87 ms. (454 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (262 resets) in 146 ms. (272 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (211 resets) in 128 ms. (310 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (234 resets) in 203 ms. (196 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (208 resets) in 182 ms. (218 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 470304 steps, run timeout after 3001 ms. (steps per millisecond=156 ) properties seen :0 out of 10
Probabilistic random walk after 470304 steps, saw 80091 distinct states, run finished after 3001 ms. (steps per millisecond=156 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12786441629746763060.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11309182462959060815.kers'
[2026-05-25 12:33:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12786441629746763060.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11309182462959060815.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 216 rows 272 cols 1049 entries
Finished phase 1 with 93 SingleSign rule and 121 generalized
[2026-05-25 12:33:29] [INFO ] Computed 59 invariants in 2 ms
Computed 59 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-11309182462959060815.kers
Total runtime 3 ms.
[2026-05-25 12:33:29] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 53/135 variables, 33/36 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/135 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 111/246 variables, 22/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/246 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 1/247 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/247 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 216/463 variables, 247/306 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/463 variables, 1/307 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/463 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 26/489 variables, 26/333 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/489 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (OVERLAPS) 0/489 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 333 constraints, problems are : Problem set: 0 solved, 10 unsolved in 12956 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 273/273 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 10/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 53/135 variables, 33/36 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/135 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 111/246 variables, 22/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/246 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/246 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 1/247 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/247 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 216/463 variables, 247/307 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/463 variables, 1/308 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/463 variables, 4/312 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/463 variables, 2/314 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/463 variables, 0/314 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Problem DES-PT-40a-ReachabilityFireability-2024-11 is UNSAT
FORMULA DES-PT-40a-ReachabilityFireability-2024-11 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 15 (OVERLAPS) 26/489 variables, 26/340 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/489 variables, 2/342 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/489 variables, 0/342 constraints. Problems are: Problem set: 1 solved, 9 unsolved
At refinement iteration 18 (OVERLAPS) 0/489 variables, 0/342 constraints. Problems are: Problem set: 1 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 489/489 variables, and 342 constraints, problems are : Problem set: 1 solved, 9 unsolved in 75013 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 273/273 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 10/6 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 88002ms problems are : Problem set: 1 solved, 9 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 70 out of 273 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 273/273 places, 216/216 transitions.
Applied a total of 0 rules in 15 ms. Remains 273 /273 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 273/273 places, 216/216 transitions.
RANDOM walk for 40000 steps (923 resets) in 273 ms. (145 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (173 resets) in 149 ms. (266 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (260 resets) in 299 ms. (133 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (259 resets) in 118 ms. (336 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (199 resets) in 105 ms. (377 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (228 resets) in 170 ms. (233 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (183 resets) in 105 ms. (377 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (258 resets) in 138 ms. (287 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (211 resets) in 94 ms. (421 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (210 resets) in 216 ms. (184 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 473420 steps, run timeout after 3001 ms. (steps per millisecond=157 ) properties seen :0 out of 9
Probabilistic random walk after 473420 steps, saw 80511 distinct states, run finished after 3005 ms. (steps per millisecond=157 ) properties seen :0
[2026-05-25 12:35:01] [INFO ] Invariant cache hit.
[2026-05-25 12:35:01] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 57/127 variables, 33/36 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/127 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 115/242 variables, 22/58 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 1/243 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (OVERLAPS) 216/459 variables, 243/302 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/459 variables, 1/303 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/459 variables, 0/303 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (OVERLAPS) 30/489 variables, 30/333 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/489 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (OVERLAPS) 0/489 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 333 constraints, problems are : Problem set: 0 solved, 9 unsolved in 7704 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 273/273 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 9/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/70 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/70 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 57/127 variables, 33/36 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/127 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 115/242 variables, 22/58 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/242 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 1/243 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/243 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 216/459 variables, 243/303 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/459 variables, 1/304 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/459 variables, 4/308 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/459 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (OVERLAPS) 30/489 variables, 30/338 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/489 variables, 2/340 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/489 variables, 2/342 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/489 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (OVERLAPS) 0/489 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 9 unsolved
SDD proceeding with computation,13 properties remain. new max is 131072
SDD size :1.26571e+08 after 2.47128e+08
No progress, stopping.
After SMT solving in domain Int declared 489/489 variables, and 342 constraints, problems are : Problem set: 0 solved, 9 unsolved in 52674 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 273/273 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 9/6 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60403ms problems are : Problem set: 0 solved, 9 unsolved
FORMULA DES-PT-40a-ReachabilityFireability-2024-00 FALSE TECHNIQUES PARIKH_WALK
FORMULA DES-PT-40a-ReachabilityFireability-2024-07 TRUE TECHNIQUES PARIKH_WALK
FORMULA DES-PT-40a-ReachabilityFireability-2024-05 TRUE TECHNIQUES PARIKH_WALK
FORMULA DES-PT-40a-ReachabilityFireability-2024-01 TRUE TECHNIQUES PARIKH_WALK
FORMULA DES-PT-40a-ReachabilityFireability-2024-02 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 5 properties in 23874 ms.
Support contains 31 out of 273 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 273/273 places, 216/216 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 273 transition count 215
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 2 place count 273 transition count 215
Applied a total of 2 rules in 32 ms. Remains 273 /273 variables (removed 0) and now considering 215/216 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 273/273 places, 215/216 transitions.
RANDOM walk for 40000 steps (728 resets) in 230 ms. (173 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (134 resets) in 103 ms. (384 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (284 resets) in 92 ms. (430 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (159 resets) in 85 ms. (465 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (155 resets) in 211 ms. (188 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 628416 steps, run timeout after 3001 ms. (steps per millisecond=209 ) properties seen :0 out of 4
Probabilistic random walk after 628416 steps, saw 90275 distinct states, run finished after 3001 ms. (steps per millisecond=209 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16630697213086022228.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8789176862195212353.kers'
[2026-05-25 12:36:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16630697213086022228.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8789176862195212353.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 215 rows 272 cols 1054 entries
Finished phase 1 with 94 SingleSign rule and 119 generalized
[2026-05-25 12:36:28] [INFO ] Computed 60 invariants in 2 ms
Computed 60 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8789176862195212353.kers
Total runtime 3 ms.
[2026-05-25 12:36:28] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 13/44 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 56/100 variables, 27/36 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 134/234 variables, 23/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/234 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 3/237 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/237 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 215/452 variables, 237/297 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/452 variables, 2/299 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/452 variables, 0/299 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 36/488 variables, 36/335 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/488 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 0/488 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 335 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2640 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 273/273 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 13/44 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 56/100 variables, 27/36 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 134/234 variables, 23/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/234 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 3/237 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/237 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 215/452 variables, 237/297 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/452 variables, 2/299 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/452 variables, 1/300 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/452 variables, 0/300 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 36/488 variables, 36/336 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/488 variables, 2/338 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/488 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/488 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/488 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 488/488 variables, and 339 constraints, problems are : Problem set: 0 solved, 4 unsolved in 5967 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 273/273 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8630ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 10148 ms.
Support contains 31 out of 273 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 273/273 places, 215/215 transitions.
Applied a total of 0 rules in 26 ms. Remains 273 /273 variables (removed 0) and now considering 215/215 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 273/273 places, 215/215 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 273/273 places, 215/215 transitions.
Applied a total of 0 rules in 13 ms. Remains 273 /273 variables (removed 0) and now considering 215/215 (removed 0) transitions.
[2026-05-25 12:36:47] [INFO ] Invariant cache hit.
[2026-05-25 12:36:48] [INFO ] Implicit Places using invariants in 282 ms returned [171]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 295 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 272/273 places, 215/215 transitions.
Applied a total of 0 rules in 14 ms. Remains 272 /272 variables (removed 0) and now considering 215/215 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 323 ms. Remains : 272/273 places, 215/215 transitions.
RANDOM walk for 40000 steps (752 resets) in 261 ms. (152 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (147 resets) in 92 ms. (430 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (280 resets) in 102 ms. (388 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (151 resets) in 88 ms. (449 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (163 resets) in 193 ms. (206 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 683632 steps, run timeout after 3001 ms. (steps per millisecond=227 ) properties seen :0 out of 4
Probabilistic random walk after 683632 steps, saw 97448 distinct states, run finished after 3001 ms. (steps per millisecond=227 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4333664901386489748.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4161281774640378587.kers'
[2026-05-25 12:36:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4333664901386489748.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4161281774640378587.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 215 rows 272 cols 1054 entries
Finished phase 1 with 94 SingleSign rule and 119 generalized
[2026-05-25 12:36:51] [INFO ] Computed 59 invariants in 3 ms
Computed 59 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-4161281774640378587.kers
Total runtime 4 ms.
[2026-05-25 12:36:51] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 13/44 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 55/99 variables, 26/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 134/233 variables, 23/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/233 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 3/236 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/236 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 215/451 variables, 236/295 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/451 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/451 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 36/487 variables, 36/332 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/487 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 0/487 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 332 constraints, problems are : Problem set: 0 solved, 4 unsolved in 1629 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 13/44 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/44 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 55/99 variables, 26/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 134/233 variables, 23/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/233 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 3/236 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/236 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 215/451 variables, 236/295 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/451 variables, 1/296 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/451 variables, 1/297 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/451 variables, 0/297 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 36/487 variables, 36/333 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/487 variables, 2/335 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/487 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 0/487 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 487/487 variables, and 335 constraints, problems are : Problem set: 0 solved, 4 unsolved in 6280 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 272/272 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7927ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 3 different solutions.
Finished Parikh walk after 1888 steps, including 2 resets, run visited all 4 properties in 34 ms. (steps per millisecond=55 )
FORMULA DES-PT-40a-ReachabilityFireability-2024-15 TRUE TECHNIQUES PARIKH_WALK
FORMULA DES-PT-40a-ReachabilityFireability-2024-09 TRUE TECHNIQUES PARIKH_WALK
FORMULA DES-PT-40a-ReachabilityFireability-2024-08 TRUE TECHNIQUES PARIKH_WALK
FORMULA DES-PT-40a-ReachabilityFireability-2024-03 TRUE TECHNIQUES PARIKH_WALK
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 4 properties in 39 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 316042 ms.
BK_STOP 1779712619556
--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ 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 ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DES-PT-40a"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is DES-PT-40a, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r082-smll-177946993700415"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-40a.tgz
mv DES-PT-40a execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;