About the Execution of ITS-Tools for DBSingleClientW-PT-d2m06
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 791.411 | 121309.00 | 165691.00 | 430.00 | 0 0 0 0 0 1 0 0 0 0 1 0 1 0 0 1 | 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-177946993600213.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 DBSingleClientW-PT-d2m06, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993600213
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.1M
-rw-r--r-- 1 mcc users 9.5K Mar 6 18:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 109K Mar 6 18:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 18:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 6 18:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 08:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 08:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 18:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 152K Mar 6 18:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Mar 6 18:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Mar 6 18:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.6M 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 positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d2m06-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779605248910
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d2m06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-24 06:47:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 06:47:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 06:47:32] [INFO ] Load time of PNML (sax parser for PT used): 588 ms
[2026-05-24 06:47:32] [INFO ] Transformed 4763 places.
[2026-05-24 06:47:32] [INFO ] Transformed 2478 transitions.
[2026-05-24 06:47:32] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 850 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 15 ms.
Deduced a syphon composed of 3580 places in 50 ms
Reduce places removed 3580 places and 0 transitions.
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18424443317147687189.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3720841548614653115.kers'
[2026-05-24 06:47:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18424443317147687189.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3720841548614653115.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2478 rows 1183 cols 6734 entries
Finished phase 1 with 736 SingleSign rule and 441 generalized
[2026-05-24 06:47:32] [INFO ] Computed 6 invariants in 25 ms
Computed 6 P flows in 26 ms.
Exported basis to /tmp/petrispot-output-3720841548614653115.kers
Total runtime 30 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[8, 886, 1, 8]
RANDOM walk for 10000 steps (2290 resets) in 544 ms. (18 steps per ms)
BEST_FIRST walk for 40003 steps (3814 resets) in 468 ms. (85 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0] Max Struct:[8, 886, 1, 8]
[2026-05-24 06:47:33] [INFO ] Invariant cache hit.
[2026-05-24 06:47:34] [INFO ] [Real]Absence check using 2 positive place invariants in 35 ms returned sat
[2026-05-24 06:47:34] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 27 ms returned sat
[2026-05-24 06:47:35] [INFO ] [Real]Absence check using state equation in 1332 ms returned sat
[2026-05-24 06:47:36] [INFO ] State equation strengthened by 1588 read => feed constraints.
[2026-05-24 06:47:38] [INFO ] [Real]Added 1588 Read/Feed constraints in 1919 ms returned sat
[2026-05-24 06:47:38] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 06:47:38] [INFO ] [Nat]Absence check using 2 positive place invariants in 24 ms returned sat
[2026-05-24 06:47:38] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 18 ms returned sat
[2026-05-24 06:47:40] [INFO ] [Nat]Absence check using state equation in 1410 ms returned sat
[2026-05-24 06:47:42] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 06:47:42] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1953 ms returned sat
[2026-05-24 06:47:43] [INFO ] Computed and/alt/rep : 372/636/372 causal constraints (skipped 2105 transitions) in 1478 ms.
[2026-05-24 06:47:43] [INFO ] Added : 0 causal constraints over 0 iterations in 1485 ms. Result :unknown
[2026-05-24 06:47:44] [INFO ] [Real]Absence check using 2 positive place invariants in 24 ms returned sat
[2026-05-24 06:47:44] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 21 ms returned sat
[2026-05-24 06:47:45] [INFO ] [Real]Absence check using state equation in 1320 ms returned sat
[2026-05-24 06:47:47] [INFO ] [Real]Added 1588 Read/Feed constraints in 1784 ms returned sat
[2026-05-24 06:47:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 06:47:47] [INFO ] [Nat]Absence check using 2 positive place invariants in 16 ms returned sat
[2026-05-24 06:47:47] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 13 ms returned sat
[2026-05-24 06:47:49] [INFO ] [Nat]Absence check using state equation in 1254 ms returned sat
[2026-05-24 06:47:50] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 06:47:51] [INFO ] [Nat]Added 1588 Read/Feed constraints in 2123 ms returned unknown
[2026-05-24 06:47:51] [INFO ] [Real]Absence check using 2 positive place invariants in 15 ms returned sat
[2026-05-24 06:47:51] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 15 ms returned sat
[2026-05-24 06:47:52] [INFO ] [Real]Absence check using state equation in 1383 ms returned sat
[2026-05-24 06:47:55] [INFO ] [Real]Added 1588 Read/Feed constraints in 1959 ms returned sat
[2026-05-24 06:47:55] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 06:47:55] [INFO ] [Nat]Absence check using 2 positive place invariants in 25 ms returned sat
[2026-05-24 06:47:55] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 19 ms returned sat
[2026-05-24 06:47:56] [INFO ] [Nat]Absence check using state equation in 1321 ms returned sat
[2026-05-24 06:47:58] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-24 06:47:58] [INFO ] [Nat]Added 1588 Read/Feed constraints in 2009 ms returned unknown
[2026-05-24 06:47:59] [INFO ] [Real]Absence check using 2 positive place invariants in 15 ms returned sat
[2026-05-24 06:47:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 13 ms returned sat
[2026-05-24 06:48:00] [INFO ] [Real]Absence check using state equation in 1241 ms returned sat
[2026-05-24 06:48:01] [INFO ] [Real]Added 1588 Read/Feed constraints in 1165 ms returned sat
[2026-05-24 06:48:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 06:48:01] [INFO ] [Nat]Absence check using 2 positive place invariants in 17 ms returned sat
[2026-05-24 06:48:01] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 14 ms returned sat
[2026-05-24 06:48:03] [INFO ] [Nat]Absence check using state equation in 1129 ms returned sat
[2026-05-24 06:48:04] [INFO ] [Nat]Added 1588 Read/Feed constraints in 1343 ms returned sat
[2026-05-24 06:48:06] [INFO ] Trap strengthening (SAT) tested/added 1/1 trap constraints in 2291 ms
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0] Max Struct:[8, 886, 1, 8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[8, 886, 1, 8]
Support contains 4 out of 1183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1183/1183 places, 2478/2478 transitions.
Graph (complete) has 4476 edges and 1183 vertex of which 1136 are kept as prefixes of interest. Removing 47 places using SCC suffix rule.11 ms
Discarding 47 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 217 transitions.
Iterating post reduction 0 with 217 rules applied. Total rules applied 218 place count 1136 transition count 2261
Discarding 390 places :
Symmetric choice reduction at 1 with 390 rule applications. Total rules 608 place count 746 transition count 1201
Iterating global reduction 1 with 390 rules applied. Total rules applied 998 place count 746 transition count 1201
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 1007 place count 746 transition count 1192
Discarding 314 places :
Symmetric choice reduction at 2 with 314 rule applications. Total rules 1321 place count 432 transition count 878
Iterating global reduction 2 with 314 rules applied. Total rules applied 1635 place count 432 transition count 878
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1647 place count 432 transition count 866
Discarding 238 places :
Symmetric choice reduction at 3 with 238 rule applications. Total rules 1885 place count 194 transition count 527
Iterating global reduction 3 with 238 rules applied. Total rules applied 2123 place count 194 transition count 527
Ensure Unique test removed 209 transitions
Reduce isomorphic transitions removed 209 transitions.
Iterating post reduction 3 with 209 rules applied. Total rules applied 2332 place count 194 transition count 318
Discarding 25 places :
Symmetric choice reduction at 4 with 25 rule applications. Total rules 2357 place count 169 transition count 278
Iterating global reduction 4 with 25 rules applied. Total rules applied 2382 place count 169 transition count 278
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 2388 place count 169 transition count 272
Discarding 17 places :
Symmetric choice reduction at 5 with 17 rule applications. Total rules 2405 place count 152 transition count 255
Iterating global reduction 5 with 17 rules applied. Total rules applied 2422 place count 152 transition count 255
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 2426 place count 152 transition count 251
Discarding 14 places :
Symmetric choice reduction at 6 with 14 rule applications. Total rules 2440 place count 138 transition count 237
Iterating global reduction 6 with 14 rules applied. Total rules applied 2454 place count 138 transition count 237
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 2467 place count 138 transition count 224
Discarding 5 places :
Symmetric choice reduction at 7 with 5 rule applications. Total rules 2472 place count 133 transition count 203
Iterating global reduction 7 with 5 rules applied. Total rules applied 2477 place count 133 transition count 203
Applied a total of 2477 rules in 421 ms. Remains 133 /1183 variables (removed 1050) and now considering 203/2478 (removed 2275) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 435 ms. Remains : 133/1183 places, 203/2478 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7141773329649960328.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17021428682029715392.kers'
[2026-05-24 06:48:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7141773329649960328.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17021428682029715392.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 203 rows 133 cols 645 entries
Finished phase 1 with 128 SingleSign rule and 3 generalized
[2026-05-24 06:48:07] [INFO ] Computed 2 invariants in 2 ms
Computed 2 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17021428682029715392.kers
Total runtime 3 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[8, 886, 1, 8]
RANDOM walk for 1000000 steps (230005 resets) in 2583 ms. (386 steps per ms)
BEST_FIRST walk for 4000002 steps (382297 resets) in 4019 ms. (995 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0] Max Struct:[8, 886, 1, 8]
[2026-05-24 06:48:13] [INFO ] Invariant cache hit.
[2026-05-24 06:48:14] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-24 06:48:14] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2026-05-24 06:48:14] [INFO ] State equation strengthened by 77 read => feed constraints.
[2026-05-24 06:48:14] [INFO ] [Real]Added 77 Read/Feed constraints in 34 ms returned sat
[2026-05-24 06:48:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 06:48:14] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 06:48:14] [INFO ] [Nat]Absence check using state equation in 109 ms returned sat
[2026-05-24 06:48:14] [INFO ] [Nat]Added 77 Read/Feed constraints in 39 ms returned sat
[2026-05-24 06:48:14] [INFO ] Computed and/alt/rep : 51/125/51 causal constraints (skipped 151 transitions) in 31 ms.
[2026-05-24 06:48:14] [INFO ] Added : 19 causal constraints over 4 iterations in 243 ms. Result :sat
Minimization took 156 ms.
[2026-05-24 06:48:14] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-24 06:48:14] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2026-05-24 06:48:14] [INFO ] [Real]Added 77 Read/Feed constraints in 31 ms returned sat
[2026-05-24 06:48:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 06:48:15] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-24 06:48:15] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2026-05-24 06:48:15] [INFO ] [Nat]Added 77 Read/Feed constraints in 34 ms returned sat
[2026-05-24 06:48:15] [INFO ] Computed and/alt/rep : 51/125/51 causal constraints (skipped 151 transitions) in 36 ms.
[2026-05-24 06:48:15] [INFO ] Added : 11 causal constraints over 3 iterations in 167 ms. Result :sat
Minimization took 246 ms.
[2026-05-24 06:48:15] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 06:48:15] [INFO ] [Real]Absence check using state equation in 121 ms returned sat
[2026-05-24 06:48:15] [INFO ] [Real]Added 77 Read/Feed constraints in 33 ms returned sat
[2026-05-24 06:48:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 06:48:15] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-24 06:48:16] [INFO ] [Nat]Absence check using state equation in 127 ms returned sat
[2026-05-24 06:48:16] [INFO ] [Nat]Added 77 Read/Feed constraints in 40 ms returned sat
[2026-05-24 06:48:16] [INFO ] Computed and/alt/rep : 51/125/51 causal constraints (skipped 151 transitions) in 38 ms.
[2026-05-24 06:48:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 211 ms
[2026-05-24 06:48:16] [INFO ] Added : 18 causal constraints over 4 iterations in 394 ms. Result :sat
Minimization took 155 ms.
[2026-05-24 06:48:16] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-24 06:48:16] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2026-05-24 06:48:16] [INFO ] [Real]Added 77 Read/Feed constraints in 25 ms returned sat
[2026-05-24 06:48:16] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 06:48:16] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-24 06:48:16] [INFO ] [Nat]Absence check using state equation in 98 ms returned sat
[2026-05-24 06:48:17] [INFO ] [Nat]Added 77 Read/Feed constraints in 29 ms returned sat
[2026-05-24 06:48:17] [INFO ] Computed and/alt/rep : 51/125/51 causal constraints (skipped 151 transitions) in 23 ms.
[2026-05-24 06:48:17] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 580 ms
[2026-05-24 06:48:17] [INFO ] Added : 21 causal constraints over 5 iterations in 946 ms. Result :sat
Minimization took 157 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0] Max Struct:[8, 886, 1, 8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[8, 886, 1, 8]
Support contains 4 out of 133 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 133/133 places, 203/203 transitions.
Applied a total of 0 rules in 23 ms. Remains 133 /133 variables (removed 0) and now considering 203/203 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 133/133 places, 203/203 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 133/133 places, 203/203 transitions.
Applied a total of 0 rules in 12 ms. Remains 133 /133 variables (removed 0) and now considering 203/203 (removed 0) transitions.
[2026-05-24 06:48:18] [INFO ] Invariant cache hit.
[2026-05-24 06:48:18] [INFO ] Implicit Places using invariants in 358 ms returned []
[2026-05-24 06:48:18] [INFO ] Invariant cache hit.
[2026-05-24 06:48:18] [INFO ] State equation strengthened by 77 read => feed constraints.
[2026-05-24 06:48:19] [INFO ] Implicit Places using invariants and state equation in 962 ms returned []
Implicit Place search using SMT with State Equation took 1323 ms to find 0 implicit places.
[2026-05-24 06:48:19] [INFO ] Redundant transitions in 16 ms returned []
Running 202 sub problems to find dead transitions.
[2026-05-24 06:48:19] [INFO ] Invariant cache hit.
[2026-05-24 06:48:19] [INFO ] State equation strengthened by 77 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/132 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/132 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 1/133 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/133 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (OVERLAPS) 203/336 variables, 133/135 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/336 variables, 77/212 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/336 variables, 2/214 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/336 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 8 (OVERLAPS) 0/336 variables, 2/216 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/336 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 336/336 variables, and 216 constraints, problems are : Problem set: 0 solved, 202 unsolved in 30021 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 133/133 constraints, ReadFeed: 77/77 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/132 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/132 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (OVERLAPS) 1/133 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 203/336 variables, 133/139 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/336 variables, 77/216 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/336 variables, 202/418 constraints. Problems are: Problem set: 0 solved, 202 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 336/336 variables, and 418 constraints, problems are : Problem set: 0 solved, 202 unsolved in 30023 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 133/133 constraints, ReadFeed: 77/77 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60624ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 60644ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62052 ms. Remains : 133/133 places, 203/203 transitions.
RANDOM walk for 40000 steps (9182 resets) in 1430 ms. (27 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (3723 resets) in 315 ms. (126 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40000 steps (3807 resets) in 198 ms. (201 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (3798 resets) in 157 ms. (253 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (3879 resets) in 229 ms. (173 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (3881 resets) in 134 ms. (296 steps per ms) remains 8/8 properties
[2026-05-24 06:49:21] [INFO ] Flatten gal took : 153 ms
BEST_FIRST walk for 40003 steps (3876 resets) in 164 ms. (242 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (3776 resets) in 141 ms. (281 steps per ms) remains 8/8 properties
[2026-05-24 06:49:21] [INFO ] Flatten gal took : 67 ms
[2026-05-24 06:49:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16519396285438788182.gal : 43 ms
[2026-05-24 06:49:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3432142462444875394.prop : 1 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/ReachabilityCardinality16519396285438788182.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3432142462444875394.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40000 steps (3807 resets) in 252 ms. (158 steps per ms) remains 8/8 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/ReachabilityCardinality3432142462444875394.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :7 after 30
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :30 after 68
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :68 after 106
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :106 after 182
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :182 after 324
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :324 after 708
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :708 after 7614
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :7614 after 14601
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :14601 after 42995
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :42995 after 173913
Interrupted probabilistic random walk after 567084 steps, run timeout after 3001 ms. (steps per millisecond=188 ) properties seen :5 out of 8
Probabilistic random walk after 567084 steps, saw 230566 distinct states, run finished after 3007 ms. (steps per millisecond=188 ) properties seen :5
[2026-05-24 06:49:24] [INFO ] Invariant cache hit.
[2026-05-24 06:49:24] [INFO ] State equation strengthened by 77 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 80/83 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/83 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 11/94 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/94 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 138/232 variables, 94/96 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX3 is UNSAT
After SMT solving in domain Real declared 327/336 variables, and 130 constraints, problems are : Problem set: 3 solved, 0 unsolved in 234 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 128/133 constraints, ReadFeed: 0/77 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 241ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-12 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (after reachability check) : Max Seen:[1, 1, 1] Max Struct:[7, 885, 7]
[2026-05-24 06:49:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1] Max Struct:[7, 885, 7]
RANDOM walk for 1000000 steps (229538 resets) in 2308 ms. (433 steps per ms)
BEST_FIRST walk for 3000000 steps (286442 resets) in 2789 ms. (1075 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1] Max Struct:[7, 885, 7]
[2026-05-24 06:49:29] [INFO ] Invariant cache hit.
[2026-05-24 06:49:29] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-24 06:49:29] [INFO ] [Real]Absence check using state equation in 69 ms returned unsat
[2026-05-24 06:49:29] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-24 06:49:30] [INFO ] [Real]Absence check using state equation in 67 ms returned unsat
[2026-05-24 06:49:30] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-24 06:49:30] [INFO ] [Real]Absence check using state equation in 66 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1] Max Struct:[1, 1, 1]
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DBSingleClientW-PT-d2m06-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 118611 ms.
BK_STOP 1779605370219
--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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 UpperBounds -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="DBSingleClientW-PT-d2m06"
export BK_EXAMINATION="UpperBounds"
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 DBSingleClientW-PT-d2m06, examination is UpperBounds"
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-177946993600213"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m06.tgz
mv DBSingleClientW-PT-d2m06 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;