About the Execution of ITS-Tools for DBSingleClientW-PT-d1m06
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1944.203 | 115764.00 | 178316.00 | 406.10 | 0 0 0 0 0 1 0 3 0 1 0 0 0 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-177946993600157.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-d1m06, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993600157
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 828K
-rw-r--r-- 1 mcc users 7.4K Mar 6 18:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 6 18:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 6 18:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 6 18:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.4K Mar 6 18:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 6 18:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Mar 6 18:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Mar 6 18:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:48 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 432K 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-d1m06-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d1m06-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d1m06-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d1m06-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d1m06-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d1m06-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d1m06-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d1m06-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d1m06-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d1m06-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d1m06-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d1m06-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d1m06-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d1m06-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d1m06-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d1m06-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779567997860
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-d1m06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-23 20:26:40] [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]
[2026-05-23 20:26:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 20:26:40] [INFO ] Load time of PNML (sax parser for PT used): 350 ms
[2026-05-23 20:26:40] [INFO ] Transformed 1440 places.
[2026-05-23 20:26:40] [INFO ] Transformed 672 transitions.
[2026-05-23 20:26:40] [INFO ] Parsed PT model containing 1440 places and 672 transitions and 2688 arcs in 605 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 17 ms.
Deduced a syphon composed of 1093 places in 13 ms
Reduce places removed 1093 places and 0 transitions.
FORMULA DBSingleClientW-PT-d1m06-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m06-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m06-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m06-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m06-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m06-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m06-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m06-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m06-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m06-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m06-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m06-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-13133627107870796327.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6501219436650389735.kers'
[2026-05-23 20:26:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13133627107870796327.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6501219436650389735.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 672 rows 347 cols 1850 entries
Finished phase 1 with 215 SingleSign rule and 126 generalized
[2026-05-23 20:26:41] [INFO ] Computed 6 invariants in 8 ms
Computed 6 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-6501219436650389735.kers
Total runtime 11 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 8, 506, 8]
RANDOM walk for 10000 steps (2273 resets) in 323 ms. (30 steps per ms)
BEST_FIRST walk for 40003 steps (3747 resets) in 508 ms. (78 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 8, 506, 8]
[2026-05-23 20:26:42] [INFO ] Invariant cache hit.
[2026-05-23 20:26:42] [INFO ] [Real]Absence check using 2 positive place invariants in 17 ms returned sat
[2026-05-23 20:26:42] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 16 ms returned sat
[2026-05-23 20:26:43] [INFO ] [Real]Absence check using state equation in 523 ms returned sat
[2026-05-23 20:26:43] [INFO ] State equation strengthened by 418 read => feed constraints.
[2026-05-23 20:26:43] [INFO ] [Real]Added 418 Read/Feed constraints in 222 ms returned sat
[2026-05-23 20:26:43] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 20:26:43] [INFO ] [Nat]Absence check using 2 positive place invariants in 10 ms returned sat
[2026-05-23 20:26:43] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 10 ms returned sat
[2026-05-23 20:26:44] [INFO ] [Nat]Absence check using state equation in 543 ms returned sat
[2026-05-23 20:26:44] [INFO ] [Nat]Added 418 Read/Feed constraints in 220 ms returned sat
[2026-05-23 20:26:45] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 343 ms.
[2026-05-23 20:26:45] [INFO ] Added : 2 causal constraints over 1 iterations in 569 ms. Result :sat
Minimization took 509 ms.
[2026-05-23 20:26:46] [INFO ] [Real]Absence check using 2 positive place invariants in 8 ms returned sat
[2026-05-23 20:26:46] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 7 ms returned sat
[2026-05-23 20:26:46] [INFO ] [Real]Absence check using state equation in 313 ms returned sat
[2026-05-23 20:26:46] [INFO ] [Real]Added 418 Read/Feed constraints in 104 ms returned sat
[2026-05-23 20:26:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 20:26:46] [INFO ] [Nat]Absence check using 2 positive place invariants in 8 ms returned sat
[2026-05-23 20:26:46] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2026-05-23 20:26:46] [INFO ] [Nat]Absence check using state equation in 302 ms returned sat
[2026-05-23 20:26:47] [INFO ] [Nat]Added 418 Read/Feed constraints in 130 ms returned sat
[2026-05-23 20:26:47] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 105 ms.
[2026-05-23 20:26:47] [INFO ] Added : 7 causal constraints over 2 iterations in 268 ms. Result :sat
Minimization took 502 ms.
[2026-05-23 20:26:47] [INFO ] [Real]Absence check using 2 positive place invariants in 5 ms returned sat
[2026-05-23 20:26:47] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 6 ms returned sat
[2026-05-23 20:26:48] [INFO ] [Real]Absence check using state equation in 352 ms returned sat
[2026-05-23 20:26:48] [INFO ] [Real]Added 418 Read/Feed constraints in 227 ms returned sat
[2026-05-23 20:26:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 20:26:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 8 ms returned sat
[2026-05-23 20:26:48] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 11 ms returned sat
[2026-05-23 20:26:49] [INFO ] [Nat]Absence check using state equation in 298 ms returned sat
[2026-05-23 20:26:49] [INFO ] [Nat]Added 418 Read/Feed constraints in 137 ms returned sat
[2026-05-23 20:26:49] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 134 ms.
[2026-05-23 20:26:49] [INFO ] Added : 15 causal constraints over 3 iterations in 493 ms. Result :sat
Minimization took 503 ms.
[2026-05-23 20:26:50] [INFO ] [Real]Absence check using 2 positive place invariants in 5 ms returned sat
[2026-05-23 20:26:50] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 7 ms returned sat
[2026-05-23 20:26:50] [INFO ] [Real]Absence check using state equation in 228 ms returned sat
[2026-05-23 20:26:50] [INFO ] [Real]Added 418 Read/Feed constraints in 119 ms returned sat
[2026-05-23 20:26:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 20:26:50] [INFO ] [Nat]Absence check using 2 positive place invariants in 8 ms returned sat
[2026-05-23 20:26:50] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 7 ms returned sat
[2026-05-23 20:26:51] [INFO ] [Nat]Absence check using state equation in 324 ms returned sat
[2026-05-23 20:26:51] [INFO ] [Nat]Added 418 Read/Feed constraints in 211 ms returned sat
[2026-05-23 20:26:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 672 ms
[2026-05-23 20:26:52] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 130 ms.
[2026-05-23 20:26:52] [INFO ] Added : 5 causal constraints over 1 iterations in 339 ms. Result :sat
Minimization took 508 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 8, 506, 8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 8, 506, 8]
Support contains 4 out of 347 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 347/347 places, 672/672 transitions.
Graph (complete) has 1246 edges and 347 vertex of which 325 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.6 ms
Discarding 22 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 88 transitions.
Iterating post reduction 0 with 88 rules applied. Total rules applied 89 place count 325 transition count 584
Discarding 94 places :
Symmetric choice reduction at 1 with 94 rule applications. Total rules 183 place count 231 transition count 329
Iterating global reduction 1 with 94 rules applied. Total rules applied 277 place count 231 transition count 329
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 281 place count 231 transition count 325
Discarding 71 places :
Symmetric choice reduction at 2 with 71 rule applications. Total rules 352 place count 160 transition count 254
Iterating global reduction 2 with 71 rules applied. Total rules applied 423 place count 160 transition count 254
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 429 place count 160 transition count 248
Discarding 40 places :
Symmetric choice reduction at 3 with 40 rule applications. Total rules 469 place count 120 transition count 186
Iterating global reduction 3 with 40 rules applied. Total rules applied 509 place count 120 transition count 186
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 3 with 22 rules applied. Total rules applied 531 place count 120 transition count 164
Discarding 11 places :
Symmetric choice reduction at 4 with 11 rule applications. Total rules 542 place count 109 transition count 146
Iterating global reduction 4 with 11 rules applied. Total rules applied 553 place count 109 transition count 146
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 555 place count 109 transition count 144
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 561 place count 103 transition count 138
Iterating global reduction 5 with 6 rules applied. Total rules applied 567 place count 103 transition count 138
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 570 place count 103 transition count 135
Discarding 4 places :
Symmetric choice reduction at 6 with 4 rule applications. Total rules 574 place count 99 transition count 131
Iterating global reduction 6 with 4 rules applied. Total rules applied 578 place count 99 transition count 131
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 579 place count 98 transition count 125
Iterating global reduction 6 with 1 rules applied. Total rules applied 580 place count 98 transition count 125
Applied a total of 580 rules in 263 ms. Remains 98 /347 variables (removed 249) and now considering 125/672 (removed 547) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 281 ms. Remains : 98/347 places, 125/672 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18217617673839411828.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1819432760597000140.kers'
[2026-05-23 20:26:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18217617673839411828.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1819432760597000140.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 125 rows 98 cols 415 entries
Finished phase 1 with 93 SingleSign rule and 3 generalized
[2026-05-23 20:26:53] [INFO ] Computed 2 invariants in 1 ms
Computed 2 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-1819432760597000140.kers
Total runtime 3 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[1, 8, 506, 8]
RANDOM walk for 1000000 steps (229636 resets) in 1963 ms. (509 steps per ms)
FORMULA DBSingleClientW-PT-d1m06-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 3000001 steps (295542 resets) in 2128 ms. (1409 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 1] Max Struct:[8, 506, 8]
[2026-05-23 20:26:57] [INFO ] Invariant cache hit.
[2026-05-23 20:26:57] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 20:26:57] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2026-05-23 20:26:57] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-23 20:26:57] [INFO ] [Real]Added 38 Read/Feed constraints in 9 ms returned sat
[2026-05-23 20:26:57] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 20:26:57] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 20:26:57] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2026-05-23 20:26:57] [INFO ] [Nat]Added 38 Read/Feed constraints in 9 ms returned sat
[2026-05-23 20:26:57] [INFO ] Computed and/alt/rep : 35/82/35 causal constraints (skipped 89 transitions) in 10 ms.
[2026-05-23 20:26:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 199 ms
[2026-05-23 20:26:57] [INFO ] Added : 14 causal constraints over 4 iterations in 299 ms. Result :sat
Minimization took 113 ms.
[2026-05-23 20:26:58] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 20:26:58] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-23 20:26:58] [INFO ] [Real]Added 38 Read/Feed constraints in 10 ms returned sat
[2026-05-23 20:26:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 20:26:58] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 20:26:58] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2026-05-23 20:26:58] [INFO ] [Nat]Added 38 Read/Feed constraints in 10 ms returned sat
[2026-05-23 20:26:58] [INFO ] Computed and/alt/rep : 35/82/35 causal constraints (skipped 89 transitions) in 14 ms.
[2026-05-23 20:26:58] [INFO ] Added : 13 causal constraints over 3 iterations in 84 ms. Result :sat
Minimization took 109 ms.
[2026-05-23 20:26:58] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 20:26:58] [INFO ] [Real]Absence check using state equation in 42 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 1] Max Struct:[8, 506, 1]
FORMULA DBSingleClientW-PT-d1m06-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[8, 506]
Support contains 2 out of 98 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 98/98 places, 125/125 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 97 transition count 124
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 97 transition count 124
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 96 transition count 122
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 96 transition count 122
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 96 transition count 121
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 95 transition count 120
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 95 transition count 120
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 94 transition count 119
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 94 transition count 119
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 10 place count 94 transition count 118
Applied a total of 10 rules in 23 ms. Remains 94 /98 variables (removed 4) and now considering 118/125 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 94/98 places, 118/125 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17314175471886040401.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18186194095525206330.kers'
[2026-05-23 20:26:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17314175471886040401.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18186194095525206330.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 118 rows 94 cols 391 entries
Finished phase 1 with 89 SingleSign rule and 3 generalized
[2026-05-23 20:26:58] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18186194095525206330.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[8, 506]
RANDOM walk for 1000000 steps (229882 resets) in 1419 ms. (704 steps per ms)
BEST_FIRST walk for 2000000 steps (196991 resets) in 1273 ms. (1569 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[8, 506]
[2026-05-23 20:27:01] [INFO ] Invariant cache hit.
[2026-05-23 20:27:01] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 20:27:01] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2026-05-23 20:27:01] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-23 20:27:01] [INFO ] [Real]Added 36 Read/Feed constraints in 18 ms returned sat
[2026-05-23 20:27:01] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 20:27:01] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 20:27:01] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2026-05-23 20:27:01] [INFO ] [Nat]Added 36 Read/Feed constraints in 10 ms returned sat
[2026-05-23 20:27:01] [INFO ] Computed and/alt/rep : 33/76/33 causal constraints (skipped 84 transitions) in 20 ms.
[2026-05-23 20:27:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 147 ms
[2026-05-23 20:27:01] [INFO ] Added : 14 causal constraints over 4 iterations in 283 ms. Result :sat
Minimization took 144 ms.
[2026-05-23 20:27:01] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 20:27:02] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2026-05-23 20:27:02] [INFO ] [Real]Added 36 Read/Feed constraints in 12 ms returned sat
[2026-05-23 20:27:02] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 20:27:02] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 20:27:02] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-23 20:27:02] [INFO ] [Nat]Added 36 Read/Feed constraints in 11 ms returned sat
[2026-05-23 20:27:02] [INFO ] Computed and/alt/rep : 33/76/33 causal constraints (skipped 84 transitions) in 10 ms.
[2026-05-23 20:27:02] [INFO ] Added : 21 causal constraints over 5 iterations in 123 ms. Result :sat
Minimization took 88 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[8, 506]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[8, 506]
Support contains 2 out of 94 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 118/118 transitions.
Applied a total of 0 rules in 11 ms. Remains 94 /94 variables (removed 0) and now considering 118/118 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 94/94 places, 118/118 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 118/118 transitions.
Applied a total of 0 rules in 10 ms. Remains 94 /94 variables (removed 0) and now considering 118/118 (removed 0) transitions.
[2026-05-23 20:27:02] [INFO ] Invariant cache hit.
[2026-05-23 20:27:02] [INFO ] Implicit Places using invariants in 126 ms returned []
[2026-05-23 20:27:02] [INFO ] Invariant cache hit.
[2026-05-23 20:27:02] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-23 20:27:03] [INFO ] Implicit Places using invariants and state equation in 676 ms returned []
Implicit Place search using SMT with State Equation took 818 ms to find 0 implicit places.
[2026-05-23 20:27:03] [INFO ] Redundant transitions in 6 ms returned []
Running 117 sub problems to find dead transitions.
[2026-05-23 20:27:03] [INFO ] Invariant cache hit.
[2026-05-23 20:27:03] [INFO ] State equation strengthened by 36 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (OVERLAPS) 1/94 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (OVERLAPS) 118/212 variables, 94/96 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 36/132 constraints. Problems are: Problem set: 0 solved, 117 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/212 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (OVERLAPS) 0/212 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Real declared 212/212 variables, and 132 constraints, problems are : Problem set: 0 solved, 117 unsolved in 6918 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 94/94 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 117 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 2 (OVERLAPS) 1/94 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 4 (OVERLAPS) 118/212 variables, 94/96 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/212 variables, 36/132 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/212 variables, 117/249 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/212 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 117 unsolved
At refinement iteration 8 (OVERLAPS) 0/212 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 117 unsolved
No progress, stopping.
After SMT solving in domain Int declared 212/212 variables, and 249 constraints, problems are : Problem set: 0 solved, 117 unsolved in 21454 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 94/94 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 117/117 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 28731ms problems are : Problem set: 0 solved, 117 unsolved
Search for dead transitions found 0 dead transitions in 28746ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29634 ms. Remains : 94/94 places, 118/118 transitions.
RANDOM walk for 40000 steps (9193 resets) in 1041 ms. (38 steps per ms) remains 4/4 properties
[2026-05-23 20:27:32] [INFO ] Flatten gal took : 86 ms
[2026-05-23 20:27:32] [INFO ] Flatten gal took : 34 ms
[2026-05-23 20:27:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13784587464269238314.gal : 17 ms
[2026-05-23 20:27:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18340870593860046973.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/ReachabilityCardinality13784587464269238314.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18340870593860046973.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40002 steps (3961 resets) in 629 ms. (63 steps per ms) remains 4/4 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 ...330
Loading property file /tmp/ReachabilityCardinality18340870593860046973.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :7 after 26
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :26 after 58
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :58 after 90
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :90 after 154
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :154 after 272
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :272 after 596
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :596 after 3544
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :3544 after 8695
BEST_FIRST walk for 40003 steps (3953 resets) in 796 ms. (50 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :8695 after 20444
BEST_FIRST walk for 40002 steps (3976 resets) in 672 ms. (59 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :20444 after 89211
BEST_FIRST walk for 40003 steps (3960 resets) in 445 ms. (89 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :89211 after 152198
Invariant property MIN1 does not hold.
Invariant property MIN0 does not hold.
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :152198 after 327775
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :327775 after 485455
Interrupted probabilistic random walk after 585554 steps, run timeout after 3001 ms. (steps per millisecond=195 ) properties seen :2 out of 4
Probabilistic random walk after 585554 steps, saw 238736 distinct states, run finished after 3007 ms. (steps per millisecond=194 ) properties seen :2
[2026-05-23 20:27:36] [INFO ] Invariant cache hit.
[2026-05-23 20:27:36] [INFO ] State equation strengthened by 36 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 59/61 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 8/69 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 92/161 variables, 69/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
After SMT solving in domain Real declared 205/212 variables, and 92 constraints, problems are : Problem set: 2 solved, 0 unsolved in 146 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 90/94 constraints, ReadFeed: 0/36 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 152ms problems are : Problem set: 2 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.
Current structural bounds on expressions (after reachability check) : Max Seen:[1, 1] Max Struct:[7, 505]
[2026-05-23 20:27:36] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1] Max Struct:[7, 505]
RANDOM walk for 1000000 steps (229152 resets) in 1414 ms. (706 steps per ms)
BEST_FIRST walk for 2000001 steps (196484 resets) in 1288 ms. (1551 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1] Max Struct:[7, 505]
[2026-05-23 20:27:39] [INFO ] Invariant cache hit.
[2026-05-23 20:27:39] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 20:27:39] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2026-05-23 20:27:39] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-23 20:27:39] [INFO ] [Real]Added 36 Read/Feed constraints in 14 ms returned sat
[2026-05-23 20:27:39] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 20:27:39] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 20:27:39] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2026-05-23 20:27:39] [INFO ] [Nat]Added 36 Read/Feed constraints in 13 ms returned sat
[2026-05-23 20:27:39] [INFO ] Computed and/alt/rep : 33/76/33 causal constraints (skipped 84 transitions) in 14 ms.
[2026-05-23 20:27:39] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 332 ms
[2026-05-23 20:27:39] [INFO ] Added : 14 causal constraints over 4 iterations in 455 ms. Result :sat
Minimization took 110 ms.
[2026-05-23 20:27:40] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 20:27:40] [INFO ] [Real]Absence check using state equation in 60 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1] Max Struct:[7, 1]
FORMULA DBSingleClientW-PT-d1m06-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[7]
Support contains 1 out of 94 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 94/94 places, 118/118 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 93 transition count 117
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 93 transition count 117
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 92 transition count 116
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 92 transition count 116
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 91 transition count 113
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 91 transition count 113
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 90 transition count 112
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 90 transition count 112
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 89 transition count 111
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 89 transition count 111
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 88 transition count 110
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 88 transition count 110
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 87 transition count 108
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 87 transition count 108
Applied a total of 14 rules in 21 ms. Remains 87 /94 variables (removed 7) and now considering 108/118 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 87/94 places, 108/118 transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13101472101231116580.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2835627090536685962.kers'
[2026-05-23 20:27:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13101472101231116580.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2835627090536685962.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 108 rows 87 cols 360 entries
Finished phase 1 with 82 SingleSign rule and 3 generalized
[2026-05-23 20:27:40] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-2835627090536685962.kers
Total runtime 4 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[7]
RANDOM walk for 1000000 steps (229759 resets) in 1441 ms. (693 steps per ms)
BEST_FIRST walk for 1000000 steps (98565 resets) in 780 ms. (1280 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[7]
[2026-05-23 20:27:42] [INFO ] Invariant cache hit.
[2026-05-23 20:27:42] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 20:27:42] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-23 20:27:42] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-23 20:27:42] [INFO ] [Real]Added 32 Read/Feed constraints in 8 ms returned sat
[2026-05-23 20:27:42] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 20:27:42] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 20:27:42] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2026-05-23 20:27:42] [INFO ] [Nat]Added 32 Read/Feed constraints in 8 ms returned sat
[2026-05-23 20:27:42] [INFO ] Computed and/alt/rep : 31/70/31 causal constraints (skipped 76 transitions) in 9 ms.
[2026-05-23 20:27:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 99 ms
[2026-05-23 20:27:42] [INFO ] Added : 25 causal constraints over 5 iterations in 212 ms. Result :sat
Minimization took 136 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[7]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[7]
Support contains 1 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 108/108 transitions.
Applied a total of 0 rules in 8 ms. Remains 87 /87 variables (removed 0) and now considering 108/108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 87/87 places, 108/108 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 108/108 transitions.
Applied a total of 0 rules in 8 ms. Remains 87 /87 variables (removed 0) and now considering 108/108 (removed 0) transitions.
[2026-05-23 20:27:43] [INFO ] Invariant cache hit.
[2026-05-23 20:27:43] [INFO ] Implicit Places using invariants in 156 ms returned []
[2026-05-23 20:27:43] [INFO ] Invariant cache hit.
[2026-05-23 20:27:43] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-23 20:27:43] [INFO ] Implicit Places using invariants and state equation in 403 ms returned []
Implicit Place search using SMT with State Equation took 564 ms to find 0 implicit places.
[2026-05-23 20:27:43] [INFO ] Redundant transitions in 5 ms returned []
Running 107 sub problems to find dead transitions.
[2026-05-23 20:27:43] [INFO ] Invariant cache hit.
[2026-05-23 20:27:43] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 2 (OVERLAPS) 1/87 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 4 (OVERLAPS) 108/195 variables, 87/89 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/195 variables, 32/121 constraints. Problems are: Problem set: 0 solved, 107 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 7 (OVERLAPS) 0/195 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 107 unsolved
No progress, stopping.
After SMT solving in domain Real declared 195/195 variables, and 121 constraints, problems are : Problem set: 0 solved, 107 unsolved in 5354 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 107/107 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 107 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 2 (OVERLAPS) 1/87 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 4 (OVERLAPS) 108/195 variables, 87/89 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/195 variables, 32/121 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/195 variables, 107/228 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 8 (OVERLAPS) 0/195 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 107 unsolved
No progress, stopping.
After SMT solving in domain Int declared 195/195 variables, and 228 constraints, problems are : Problem set: 0 solved, 107 unsolved in 25239 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 107/107 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30755ms problems are : Problem set: 0 solved, 107 unsolved
Search for dead transitions found 0 dead transitions in 30757ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31352 ms. Remains : 87/87 places, 108/108 transitions.
[2026-05-23 20:28:14] [INFO ] Flatten gal took : 47 ms
RANDOM walk for 40000 steps (9186 resets) in 196 ms. (203 steps per ms) remains 2/2 properties
[2026-05-23 20:28:14] [INFO ] Flatten gal took : 34 ms
[2026-05-23 20:28:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8893504394631626219.gal : 7 ms
BEST_FIRST walk for 40002 steps (3952 resets) in 94 ms. (421 steps per ms) remains 2/2 properties
[2026-05-23 20:28:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18432544051546108124.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/ReachabilityCardinality8893504394631626219.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18432544051546108124.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality18432544051546108124.prop.
BEST_FIRST walk for 40004 steps (3974 resets) in 118 ms. (336 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 26
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :26 after 58
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :58 after 120
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :120 after 224
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :224 after 372
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :372 after 916
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :916 after 4165
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :4165 after 9767
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :9767 after 24155
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :24155 after 100630
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :100630 after 177601
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :177601 after 349106
Probably explored full state space saw : 773185 states, properties seen :1
Probabilistic random walk after 1967868 steps, saw 773185 distinct states, run finished after 2763 ms. (steps per millisecond=712 ) properties seen :1
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,775509,3.40067,76800,2,12292,18,223933,8,0,461,285112,0
Total reachable state count : 775509
Verifying 2 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,3.40413,76800,1,0,18,223933,8,0,462,285112,0
Invariant property MIN0 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,339,3.40538,76800,2,360,18,223933,8,0,463,285112,0
Explored full state space saw : 775509 states, properties seen :0
Exhaustive walk after 1973695 steps, saw 775509 distinct states, run finished after 2514 ms. (steps per millisecond=785 ) properties seen :0
Current structural bounds on expressions (after reachability check) : Max Seen:[2] Max Struct:[6]
[2026-05-23 20:28:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[6]
RANDOM walk for 1000000 steps (228999 resets) in 1343 ms. (744 steps per ms)
BEST_FIRST walk for 1000000 steps (97839 resets) in 570 ms. (1751 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[6]
[2026-05-23 20:28:21] [INFO ] Invariant cache hit.
[2026-05-23 20:28:21] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 20:28:21] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-23 20:28:21] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-23 20:28:21] [INFO ] [Real]Added 32 Read/Feed constraints in 9 ms returned sat
[2026-05-23 20:28:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 20:28:21] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 20:28:21] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2026-05-23 20:28:21] [INFO ] [Nat]Added 32 Read/Feed constraints in 8 ms returned sat
[2026-05-23 20:28:21] [INFO ] Computed and/alt/rep : 31/70/31 causal constraints (skipped 76 transitions) in 13 ms.
[2026-05-23 20:28:22] [INFO ] Added : 13 causal constraints over 3 iterations in 66 ms. Result :sat
Minimization took 74 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[6]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[6]
Support contains 1 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 108/108 transitions.
Applied a total of 0 rules in 8 ms. Remains 87 /87 variables (removed 0) and now considering 108/108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 87/87 places, 108/108 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 108/108 transitions.
Applied a total of 0 rules in 7 ms. Remains 87 /87 variables (removed 0) and now considering 108/108 (removed 0) transitions.
[2026-05-23 20:28:22] [INFO ] Invariant cache hit.
[2026-05-23 20:28:22] [INFO ] Implicit Places using invariants in 105 ms returned []
[2026-05-23 20:28:22] [INFO ] Invariant cache hit.
[2026-05-23 20:28:22] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-23 20:28:22] [INFO ] Implicit Places using invariants and state equation in 296 ms returned []
Implicit Place search using SMT with State Equation took 403 ms to find 0 implicit places.
[2026-05-23 20:28:22] [INFO ] Redundant transitions in 4 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 421 ms. Remains : 87/87 places, 108/108 transitions.
RANDOM walk for 40000 steps (9206 resets) in 133 ms. (298 steps per ms) remains 2/2 properties
[2026-05-23 20:28:22] [INFO ] Flatten gal took : 32 ms
[2026-05-23 20:28:22] [INFO ] Flatten gal took : 14 ms
BEST_FIRST walk for 40003 steps (3878 resets) in 61 ms. (645 steps per ms) remains 2/2 properties
[2026-05-23 20:28:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5141982333144390662.gal : 6 ms
[2026-05-23 20:28:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14875042108535659771.prop : 0 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/ReachabilityCardinality5141982333144390662.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14875042108535659771.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40003 steps (3894 resets) in 84 ms. (470 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality14875042108535659771.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 26
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :26 after 58
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :58 after 120
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :120 after 224
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :224 after 372
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :372 after 916
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :916 after 4165
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :4165 after 9767
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :9767 after 24155
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :24155 after 100630
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :100630 after 177601
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :177601 after 349106
Interrupted probabilistic random walk after 1352506 steps, run timeout after 3001 ms. (steps per millisecond=450 ) properties seen :1 out of 2
Probabilistic random walk after 1352506 steps, saw 545036 distinct states, run finished after 3001 ms. (steps per millisecond=450 ) properties seen :1
[2026-05-23 20:28:25] [INFO ] Invariant cache hit.
[2026-05-23 20:28:25] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 85/88 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 53/141 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 39/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 8/149 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/149 variables, 3/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/149 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 46/195 variables, 40/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/195 variables, 25/121 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,775509,3.21314,76656,2,12292,18,223933,8,0,461,285112,0
Total reachable state count : 775509
Verifying 2 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,3.21602,76656,1,0,18,223933,8,0,462,285112,0
Invariant property MIN0 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,54,3.21708,76656,2,160,18,223933,8,0,463,285112,0
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 195/195 variables, and 122 constraints, problems are : Problem set: 1 solved, 0 unsolved in 246 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 251ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Current structural bounds on expressions (after reachability check) : Max Seen:[3] Max Struct:[5]
[2026-05-23 20:28:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[5]
RANDOM walk for 1000000 steps (229290 resets) in 1296 ms. (771 steps per ms)
BEST_FIRST walk for 1000001 steps (98182 resets) in 571 ms. (1748 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[5]
[2026-05-23 20:28:27] [INFO ] Invariant cache hit.
[2026-05-23 20:28:27] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 20:28:27] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-23 20:28:27] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-23 20:28:27] [INFO ] [Real]Added 32 Read/Feed constraints in 11 ms returned sat
[2026-05-23 20:28:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-23 20:28:27] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 20:28:27] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2026-05-23 20:28:27] [INFO ] [Nat]Added 32 Read/Feed constraints in 9 ms returned sat
[2026-05-23 20:28:28] [INFO ] Computed and/alt/rep : 31/70/31 causal constraints (skipped 76 transitions) in 13 ms.
[2026-05-23 20:28:28] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 247 ms
[2026-05-23 20:28:28] [INFO ] Added : 6 causal constraints over 2 iterations in 321 ms. Result :sat
Minimization took 71 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[5]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[5]
Support contains 1 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 108/108 transitions.
Applied a total of 0 rules in 8 ms. Remains 87 /87 variables (removed 0) and now considering 108/108 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 87/87 places, 108/108 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 108/108 transitions.
Applied a total of 0 rules in 8 ms. Remains 87 /87 variables (removed 0) and now considering 108/108 (removed 0) transitions.
[2026-05-23 20:28:28] [INFO ] Invariant cache hit.
[2026-05-23 20:28:28] [INFO ] Implicit Places using invariants in 102 ms returned []
[2026-05-23 20:28:28] [INFO ] Invariant cache hit.
[2026-05-23 20:28:28] [INFO ] State equation strengthened by 32 read => feed constraints.
[2026-05-23 20:28:28] [INFO ] Implicit Places using invariants and state equation in 285 ms returned []
Implicit Place search using SMT with State Equation took 391 ms to find 0 implicit places.
[2026-05-23 20:28:28] [INFO ] Redundant transitions in 4 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 410 ms. Remains : 87/87 places, 108/108 transitions.
[2026-05-23 20:28:28] [INFO ] Flatten gal took : 30 ms
[2026-05-23 20:28:28] [INFO ] Flatten gal took : 11 ms
RANDOM walk for 40000 steps (9149 resets) in 159 ms. (250 steps per ms) remains 2/2 properties
[2026-05-23 20:28:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6901565079932299883.gal : 5 ms
[2026-05-23 20:28:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17257709872914136435.prop : 0 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/ReachabilityCardinality6901565079932299883.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17257709872914136435.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality17257709872914136435.prop.
BEST_FIRST walk for 40002 steps (3906 resets) in 76 ms. (519 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :7 after 26
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :26 after 58
BEST_FIRST walk for 40000 steps (3901 resets) in 57 ms. (689 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :58 after 120
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :120 after 224
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :224 after 372
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :372 after 916
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :916 after 4165
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :4165 after 9767
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :9767 after 24155
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :24155 after 100630
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :100630 after 177601
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :177601 after 349106
Interrupted probabilistic random walk after 813881 steps, run timeout after 3001 ms. (steps per millisecond=271 ) properties seen :0 out of 2
Probabilistic random walk after 813881 steps, saw 326436 distinct states, run finished after 3002 ms. (steps per millisecond=271 ) properties seen :0
[2026-05-23 20:28:31] [INFO ] Invariant cache hit.
[2026-05-23 20:28:31] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 85/88 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 53/141 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/141 variables, 39/52 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 8/149 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/149 variables, 3/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/149 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 46/195 variables, 40/96 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/195 variables, 25/121 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 0/195 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 195/195 variables, and 121 constraints, problems are : Problem set: 0 solved, 2 unsolved in 203 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,775509,3.2625,76448,2,12292,18,223933,8,0,461,285112,0
Total reachable state count : 775509
Verifying 2 reachability properties.
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,3.26551,76448,1,0,18,223933,8,0,462,285112,0
Invariant property MIN0 is true.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,3.26879,76448,1,0,18,223933,8,0,462,285112,0
After SMT solving in domain Int declared 88/195 variables, and 5 constraints, problems are : Problem set: 2 solved, 0 unsolved in 47 ms.
Refiners :[Generalized P Invariants (flows): 0/2 constraints, State Equation: 5/87 constraints, ReadFeed: 0/32 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 256ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA DBSingleClientW-PT-d1m06-UpperBounds-07 3 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-23 20:28:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (229623 resets) in 1348 ms. (741 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 113246 ms.
BK_STOP 1779568113624
--------------------
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-d1m06"
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-d1m06, 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-177946993600157"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d1m06.tgz
mv DBSingleClientW-PT-d1m06 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 ;