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.r095-smll-177946996300019.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 gold2025
Input is DBSingleClientW-PT-d1m05, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r095-smll-177946996300019
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 800K
-rw-r--r-- 1 mcc users 6.4K Mar 6 18:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Mar 6 18:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 6 18:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 18:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.9K Mar 6 18:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 62K Mar 6 18:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 6 18:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 6 18:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:47 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-d1m05-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d1m05-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779525422727

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d1m05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 08:37:04] [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 08:37:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:37:05] [INFO ] Load time of PNML (sax parser for PT used): 243 ms
[2026-05-23 08:37:05] [INFO ] Transformed 1440 places.
[2026-05-23 08:37:05] [INFO ] Transformed 672 transitions.
[2026-05-23 08:37:05] [INFO ] Parsed PT model containing 1440 places and 672 transitions and 2688 arcs in 399 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 10 ms.
Deduced a syphon composed of 1093 places in 11 ms
Reduce places removed 1093 places and 0 transitions.
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-05 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 672 rows 347 cols
[2026-05-23 08:37:05] [INFO ] Computed 6 invariants in 57 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0] Max Struct:[5, 1, 5, 5, 5, 1042, 5]
RANDOM walk for 10000 steps (2320 resets) in 181 ms. (54 steps per ms)
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 60004 steps (5774 resets) in 566 ms. (105 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[5, 5, 5, 5, 1042, 5]
[2026-05-23 08:37:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:37:06] [INFO ] [Real]Absence check using 2 positive place invariants in 18 ms returned sat
[2026-05-23 08:37:06] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 12 ms returned sat
[2026-05-23 08:37:06] [INFO ] [Real]Absence check using state equation in 457 ms returned sat
[2026-05-23 08:37:07] [INFO ] State equation strengthened by 418 read => feed constraints.
[2026-05-23 08:37:07] [INFO ] [Real]Added 418 Read/Feed constraints in 237 ms returned sat
[2026-05-23 08:37:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:37:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 11 ms returned sat
[2026-05-23 08:37:07] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 12 ms returned sat
[2026-05-23 08:37:07] [INFO ] [Nat]Absence check using state equation in 411 ms returned sat
[2026-05-23 08:37:08] [INFO ] [Nat]Added 418 Read/Feed constraints in 179 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:08] [INFO ] Deduced a trap composed of 80 places in 456 ms of which 85 ms to minimize.
[2026-05-23 08:37:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 587 ms
[2026-05-23 08:37:09] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 303 ms.
[2026-05-23 08:37:09] [INFO ] Added : 6 causal constraints over 2 iterations in 595 ms. Result :sat
Minimization took 570 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:37:10] [INFO ] [Real]Absence check using 2 positive place invariants in 10 ms returned sat
[2026-05-23 08:37:10] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 11 ms returned sat
[2026-05-23 08:37:10] [INFO ] [Real]Absence check using state equation in 344 ms returned sat
[2026-05-23 08:37:10] [INFO ] [Real]Added 418 Read/Feed constraints in 130 ms returned sat
[2026-05-23 08:37:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:37:10] [INFO ] [Nat]Absence check using 2 positive place invariants in 11 ms returned sat
[2026-05-23 08:37:10] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 11 ms returned sat
[2026-05-23 08:37:11] [INFO ] [Nat]Absence check using state equation in 345 ms returned sat
[2026-05-23 08:37:11] [INFO ] [Nat]Added 418 Read/Feed constraints in 237 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:11] [INFO ] Deduced a trap composed of 20 places in 458 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:12] [INFO ] Deduced a trap composed of 20 places in 428 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:12] [INFO ] Deduced a trap composed of 20 places in 494 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:13] [INFO ] Deduced a trap composed of 20 places in 415 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:13] [INFO ] Deduced a trap composed of 20 places in 405 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:14] [INFO ] Deduced a trap composed of 20 places in 319 ms of which 23 ms to minimize.
[2026-05-23 08:37:14] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 3041 ms
[2026-05-23 08:37:14] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 134 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:15] [INFO ] Deduced a trap composed of 20 places in 454 ms of which 35 ms to minimize.
[2026-05-23 08:37:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 555 ms
[2026-05-23 08:37:15] [INFO ] Added : 15 causal constraints over 3 iterations in 1105 ms. Result :sat
Minimization took 139 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:37:15] [INFO ] [Real]Absence check using 2 positive place invariants in 7 ms returned sat
[2026-05-23 08:37:15] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2026-05-23 08:37:15] [INFO ] [Real]Absence check using state equation in 239 ms returned sat
[2026-05-23 08:37:16] [INFO ] [Real]Added 418 Read/Feed constraints in 107 ms returned sat
[2026-05-23 08:37:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:37:16] [INFO ] [Nat]Absence check using 2 positive place invariants in 6 ms returned sat
[2026-05-23 08:37:16] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 7 ms returned sat
[2026-05-23 08:37:16] [INFO ] [Nat]Absence check using state equation in 243 ms returned sat
[2026-05-23 08:37:16] [INFO ] [Nat]Added 418 Read/Feed constraints in 115 ms returned sat
[2026-05-23 08:37:16] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 128 ms.
[2026-05-23 08:37:16] [INFO ] Added : 2 causal constraints over 1 iterations in 292 ms. Result :sat
Minimization took 548 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:37:17] [INFO ] [Real]Absence check using 2 positive place invariants in 10 ms returned sat
[2026-05-23 08:37:17] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2026-05-23 08:37:17] [INFO ] [Real]Absence check using state equation in 382 ms returned sat
[2026-05-23 08:37:18] [INFO ] [Real]Added 418 Read/Feed constraints in 178 ms returned sat
[2026-05-23 08:37:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:37:18] [INFO ] [Nat]Absence check using 2 positive place invariants in 10 ms returned sat
[2026-05-23 08:37:18] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 8 ms returned sat
[2026-05-23 08:37:18] [INFO ] [Nat]Absence check using state equation in 379 ms returned sat
[2026-05-23 08:37:18] [INFO ] [Nat]Added 418 Read/Feed constraints in 175 ms returned sat
[2026-05-23 08:37:19] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 125 ms.
[2026-05-23 08:37:19] [INFO ] Added : 6 causal constraints over 2 iterations in 442 ms. Result :sat
Minimization took 652 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:37:20] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2026-05-23 08:37:20] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 6 ms returned sat
[2026-05-23 08:37:20] [INFO ] [Real]Absence check using state equation in 260 ms returned sat
[2026-05-23 08:37:20] [INFO ] [Real]Added 418 Read/Feed constraints in 206 ms returned sat
[2026-05-23 08:37:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:37:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 10 ms returned sat
[2026-05-23 08:37:20] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 12 ms returned sat
[2026-05-23 08:37:21] [INFO ] [Nat]Absence check using state equation in 331 ms returned sat
[2026-05-23 08:37:21] [INFO ] [Nat]Added 418 Read/Feed constraints in 216 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:21] [INFO ] Deduced a trap composed of 80 places in 417 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:22] [INFO ] Deduced a trap composed of 80 places in 428 ms of which 68 ms to minimize.
[2026-05-23 08:37:22] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 960 ms
[2026-05-23 08:37:22] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 136 ms.
[2026-05-23 08:37:23] [INFO ] Added : 10 causal constraints over 2 iterations in 833 ms. Result :sat
Minimization took 556 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:37:23] [INFO ] [Real]Absence check using 2 positive place invariants in 10 ms returned sat
[2026-05-23 08:37:23] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 8 ms returned sat
[2026-05-23 08:37:24] [INFO ] [Real]Absence check using state equation in 318 ms returned sat
[2026-05-23 08:37:24] [INFO ] [Real]Added 418 Read/Feed constraints in 190 ms returned sat
[2026-05-23 08:37:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:37:24] [INFO ] [Nat]Absence check using 2 positive place invariants in 11 ms returned sat
[2026-05-23 08:37:24] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2026-05-23 08:37:24] [INFO ] [Nat]Absence check using state equation in 390 ms returned sat
[2026-05-23 08:37:25] [INFO ] [Nat]Added 418 Read/Feed constraints in 201 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:25] [INFO ] Deduced a trap composed of 81 places in 276 ms of which 13 ms to minimize.
[2026-05-23 08:37:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 354 ms
[2026-05-23 08:37:25] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 106 ms.
[2026-05-23 08:37:25] [INFO ] Added : 6 causal constraints over 2 iterations in 331 ms. Result :sat
Minimization took 603 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[5, 5, 5, 5, 1042, 5]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[5, 5, 5, 5, 1042, 5]
Support contains 6 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 326 are kept as prefixes of interest. Removing 21 places using SCC suffix rule.6 ms
Discarding 21 places :
Also discarding 0 output transitions
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Iterating post reduction 0 with 80 rules applied. Total rules applied 81 place count 326 transition count 592
Discarding 92 places :
Symmetric choice reduction at 1 with 92 rule applications. Total rules 173 place count 234 transition count 340
Iterating global reduction 1 with 92 rules applied. Total rules applied 265 place count 234 transition count 340
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 268 place count 234 transition count 337
Discarding 70 places :
Symmetric choice reduction at 2 with 70 rule applications. Total rules 338 place count 164 transition count 267
Iterating global reduction 2 with 70 rules applied. Total rules applied 408 place count 164 transition count 267
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 414 place count 164 transition count 261
Discarding 38 places :
Symmetric choice reduction at 3 with 38 rule applications. Total rules 452 place count 126 transition count 203
Iterating global reduction 3 with 38 rules applied. Total rules applied 490 place count 126 transition count 203
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 3 with 22 rules applied. Total rules applied 512 place count 126 transition count 181
Discarding 9 places :
Symmetric choice reduction at 4 with 9 rule applications. Total rules 521 place count 117 transition count 164
Iterating global reduction 4 with 9 rules applied. Total rules applied 530 place count 117 transition count 164
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 532 place count 117 transition count 162
Discarding 5 places :
Symmetric choice reduction at 5 with 5 rule applications. Total rules 537 place count 112 transition count 157
Iterating global reduction 5 with 5 rules applied. Total rules applied 542 place count 112 transition count 157
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 543 place count 112 transition count 156
Discarding 4 places :
Symmetric choice reduction at 6 with 4 rule applications. Total rules 547 place count 108 transition count 152
Iterating global reduction 6 with 4 rules applied. Total rules applied 551 place count 108 transition count 152
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 553 place count 108 transition count 150
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 554 place count 107 transition count 148
Iterating global reduction 7 with 1 rules applied. Total rules applied 555 place count 107 transition count 148
Applied a total of 555 rules in 211 ms. Remains 107 /347 variables (removed 240) and now considering 148/672 (removed 524) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 229 ms. Remains : 107/347 places, 148/672 transitions.
// Phase 1: matrix 148 rows 107 cols
[2026-05-23 08:37:26] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[5, 5, 1, 5, 1042, 5]
RANDOM walk for 1000000 steps (229511 resets) in 2268 ms. (440 steps per ms)
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 5000003 steps (491369 resets) in 3838 ms. (1302 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[5, 5, 5, 1042, 5]
[2026-05-23 08:37:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:32] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-23 08:37:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 08:37:32] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2026-05-23 08:37:32] [INFO ] State equation strengthened by 54 read => feed constraints.
[2026-05-23 08:37:32] [INFO ] [Real]Added 54 Read/Feed constraints in 19 ms returned sat
[2026-05-23 08:37:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 08:37:33] [INFO ] [Nat]Absence check using state equation in 110 ms returned sat
[2026-05-23 08:37:33] [INFO ] [Nat]Added 54 Read/Feed constraints in 21 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:33] [INFO ] Deduced a trap composed of 38 places in 147 ms of which 22 ms to minimize.
[2026-05-23 08:37:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 171 ms
[2026-05-23 08:37:33] [INFO ] Computed and/alt/rep : 40/95/40 causal constraints (skipped 107 transitions) in 21 ms.
[2026-05-23 08:37:33] [INFO ] Added : 6 causal constraints over 2 iterations in 90 ms. Result :sat
Minimization took 89 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:33] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:33] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 6 ms returned sat
[2026-05-23 08:37:33] [INFO ] [Real]Absence check using state equation in 92 ms returned sat
[2026-05-23 08:37:33] [INFO ] [Real]Added 54 Read/Feed constraints in 22 ms returned sat
[2026-05-23 08:37:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:33] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 08:37:33] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2026-05-23 08:37:33] [INFO ] [Nat]Added 54 Read/Feed constraints in 25 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:33] [INFO ] Deduced a trap composed of 38 places in 124 ms of which 19 ms to minimize.
[2026-05-23 08:37:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 150 ms
[2026-05-23 08:37:34] [INFO ] Computed and/alt/rep : 40/95/40 causal constraints (skipped 107 transitions) in 19 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:34] [INFO ] Deduced a trap composed of 13 places in 120 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:34] [INFO ] Deduced a trap composed of 13 places in 162 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:34] [INFO ] Deduced a trap composed of 13 places in 127 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:35] [INFO ] Deduced a trap composed of 14 places in 151 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:35] [INFO ] Deduced a trap composed of 39 places in 139 ms of which 10 ms to minimize.
[2026-05-23 08:37:35] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 1004 ms
[2026-05-23 08:37:35] [INFO ] Added : 20 causal constraints over 5 iterations in 1319 ms. Result :sat
Minimization took 121 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:35] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:35] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2026-05-23 08:37:35] [INFO ] [Real]Absence check using state equation in 96 ms returned sat
[2026-05-23 08:37:35] [INFO ] [Real]Added 54 Read/Feed constraints in 24 ms returned sat
[2026-05-23 08:37:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 08:37:35] [INFO ] [Nat]Absence check using state equation in 98 ms returned sat
[2026-05-23 08:37:35] [INFO ] [Nat]Added 54 Read/Feed constraints in 20 ms returned sat
[2026-05-23 08:37:35] [INFO ] Computed and/alt/rep : 40/95/40 causal constraints (skipped 107 transitions) in 21 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:36] [INFO ] Deduced a trap composed of 12 places in 123 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:36] [INFO ] Deduced a trap composed of 13 places in 161 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:36] [INFO ] Deduced a trap composed of 13 places in 159 ms of which 7 ms to minimize.
[2026-05-23 08:37:36] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 564 ms
[2026-05-23 08:37:36] [INFO ] Added : 9 causal constraints over 3 iterations in 707 ms. Result :sat
Minimization took 144 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:36] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 08:37:36] [INFO ] [Real]Absence check using state equation in 93 ms returned sat
[2026-05-23 08:37:36] [INFO ] [Real]Added 54 Read/Feed constraints in 18 ms returned sat
[2026-05-23 08:37:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 08:37:37] [INFO ] [Nat]Absence check using state equation in 94 ms returned sat
[2026-05-23 08:37:37] [INFO ] [Nat]Added 54 Read/Feed constraints in 28 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:37] [INFO ] Deduced a trap composed of 38 places in 134 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:37] [INFO ] Deduced a trap composed of 39 places in 145 ms of which 18 ms to minimize.
[2026-05-23 08:37:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 314 ms
[2026-05-23 08:37:37] [INFO ] Computed and/alt/rep : 40/95/40 causal constraints (skipped 107 transitions) in 21 ms.
[2026-05-23 08:37:37] [INFO ] Added : 10 causal constraints over 2 iterations in 102 ms. Result :sat
Minimization took 85 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:37] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 08:37:37] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2026-05-23 08:37:37] [INFO ] [Real]Added 54 Read/Feed constraints in 19 ms returned sat
[2026-05-23 08:37:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 08:37:37] [INFO ] [Nat]Absence check using state equation in 92 ms returned sat
[2026-05-23 08:37:37] [INFO ] [Nat]Added 54 Read/Feed constraints in 17 ms returned sat
[2026-05-23 08:37:37] [INFO ] Computed and/alt/rep : 40/95/40 causal constraints (skipped 107 transitions) in 18 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:38] [INFO ] Deduced a trap composed of 12 places in 131 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:38] [INFO ] Deduced a trap composed of 12 places in 135 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:38] [INFO ] Deduced a trap composed of 13 places in 145 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:38] [INFO ] Deduced a trap composed of 13 places in 135 ms of which 7 ms to minimize.
[2026-05-23 08:37:38] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 747 ms
[2026-05-23 08:37:38] [INFO ] Added : 20 causal constraints over 5 iterations in 1005 ms. Result :sat
Minimization took 220 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 0] Max Struct:[5, 5, 5, 1042, 5]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 0, 0, 0, 0] Max Struct:[5, 5, 5, 1042, 5]
Support contains 5 out of 107 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 107/107 places, 148/148 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 106 transition count 147
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 106 transition count 147
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 105 transition count 145
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 105 transition count 145
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 105 transition count 144
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 104 transition count 143
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 104 transition count 143
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 103 transition count 142
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 103 transition count 142
Applied a total of 9 rules in 43 ms. Remains 103 /107 variables (removed 4) and now considering 142/148 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 103/107 places, 142/148 transitions.
// Phase 1: matrix 142 rows 103 cols
[2026-05-23 08:37:39] [INFO ] Computed 2 invariants in 11 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 0, 0, 0] Max Struct:[5, 5, 5, 1042, 5]
RANDOM walk for 1000000 steps (229730 resets) in 1728 ms. (578 steps per ms)
BEST_FIRST walk for 5000003 steps (490894 resets) in 4880 ms. (1024 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0, 0, 0, 0] Max Struct:[5, 5, 5, 1042, 5]
[2026-05-23 08:37:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:46] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 08:37:46] [INFO ] [Real]Absence check using state equation in 66 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:46] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 08:37:46] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2026-05-23 08:37:46] [INFO ] State equation strengthened by 52 read => feed constraints.
[2026-05-23 08:37:46] [INFO ] [Real]Added 52 Read/Feed constraints in 20 ms returned sat
[2026-05-23 08:37:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 08:37:46] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2026-05-23 08:37:46] [INFO ] [Nat]Added 52 Read/Feed constraints in 17 ms returned sat
[2026-05-23 08:37:46] [INFO ] Computed and/alt/rep : 38/92/38 causal constraints (skipped 103 transitions) in 17 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:46] [INFO ] Deduced a trap composed of 13 places in 101 ms of which 10 ms to minimize.
[2026-05-23 08:37:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 126 ms
[2026-05-23 08:37:46] [INFO ] Added : 14 causal constraints over 5 iterations in 302 ms. Result :sat
Minimization took 89 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:47] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 08:37:47] [INFO ] [Real]Absence check using state equation in 91 ms returned sat
[2026-05-23 08:37:47] [INFO ] [Real]Added 52 Read/Feed constraints in 21 ms returned sat
[2026-05-23 08:37:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-23 08:37:47] [INFO ] [Nat]Absence check using state equation in 91 ms returned sat
[2026-05-23 08:37:47] [INFO ] [Nat]Added 52 Read/Feed constraints in 17 ms returned sat
[2026-05-23 08:37:47] [INFO ] Computed and/alt/rep : 38/92/38 causal constraints (skipped 103 transitions) in 19 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:47] [INFO ] Deduced a trap composed of 12 places in 146 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:47] [INFO ] Deduced a trap composed of 13 places in 113 ms of which 6 ms to minimize.
[2026-05-23 08:37:47] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 378 ms
[2026-05-23 08:37:47] [INFO ] Added : 14 causal constraints over 4 iterations in 555 ms. Result :sat
Minimization took 223 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:48] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 08:37:48] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2026-05-23 08:37:48] [INFO ] [Real]Added 52 Read/Feed constraints in 19 ms returned sat
[2026-05-23 08:37:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 08:37:48] [INFO ] [Nat]Absence check using state equation in 99 ms returned sat
[2026-05-23 08:37:48] [INFO ] [Nat]Added 52 Read/Feed constraints in 23 ms returned sat
[2026-05-23 08:37:48] [INFO ] Computed and/alt/rep : 38/92/38 causal constraints (skipped 103 transitions) in 17 ms.
[2026-05-23 08:37:48] [INFO ] Added : 21 causal constraints over 5 iterations in 180 ms. Result :sat
Minimization took 99 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:48] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 08:37:48] [INFO ] [Real]Absence check using state equation in 92 ms returned sat
[2026-05-23 08:37:49] [INFO ] [Real]Added 52 Read/Feed constraints in 16 ms returned sat
[2026-05-23 08:37:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2026-05-23 08:37:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 08:37:49] [INFO ] [Nat]Absence check using state equation in 90 ms returned sat
[2026-05-23 08:37:49] [INFO ] [Nat]Added 52 Read/Feed constraints in 25 ms returned sat
[2026-05-23 08:37:49] [INFO ] Computed and/alt/rep : 38/92/38 causal constraints (skipped 103 transitions) in 20 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:49] [INFO ] Deduced a trap composed of 12 places in 134 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:49] [INFO ] Deduced a trap composed of 13 places in 137 ms of which 7 ms to minimize.
[2026-05-23 08:37:49] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 356 ms
[2026-05-23 08:37:49] [INFO ] Added : 7 causal constraints over 2 iterations in 469 ms. Result :sat
Minimization took 128 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0, 0, 0, 0] Max Struct:[1, 5, 5, 1042, 5]
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[5, 5, 1042, 5]
Support contains 4 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 142/142 transitions.
Graph (complete) has 325 edges and 103 vertex of which 102 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 102 transition count 139
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 101 transition count 138
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 101 transition count 138
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 7 place count 101 transition count 137
Applied a total of 7 rules in 32 ms. Remains 101 /103 variables (removed 2) and now considering 137/142 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 101/103 places, 137/142 transitions.
// Phase 1: matrix 137 rows 101 cols
[2026-05-23 08:37:50] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0] Max Struct:[5, 5, 1042, 5]
RANDOM walk for 1000000 steps (229654 resets) in 1705 ms. (586 steps per ms)
BEST_FIRST walk for 4000002 steps (392466 resets) in 3207 ms. (1246 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0] Max Struct:[5, 5, 1042, 5]
[2026-05-23 08:37:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:55] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:37:55] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2026-05-23 08:37:55] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-23 08:37:55] [INFO ] [Real]Added 47 Read/Feed constraints in 11 ms returned sat
[2026-05-23 08:37:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:55] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 12 ms returned sat
[2026-05-23 08:37:55] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2026-05-23 08:37:55] [INFO ] [Nat]Added 47 Read/Feed constraints in 11 ms returned sat
[2026-05-23 08:37:55] [INFO ] Computed and/alt/rep : 35/86/35 causal constraints (skipped 101 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:55] [INFO ] Deduced a trap composed of 12 places in 125 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:55] [INFO ] Deduced a trap composed of 13 places in 139 ms of which 11 ms to minimize.
[2026-05-23 08:37:55] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 347 ms
[2026-05-23 08:37:55] [INFO ] Added : 16 causal constraints over 5 iterations in 570 ms. Result :sat
Minimization took 82 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:55] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:37:56] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2026-05-23 08:37:56] [INFO ] [Real]Added 47 Read/Feed constraints in 11 ms returned sat
[2026-05-23 08:37:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:56] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:37:56] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2026-05-23 08:37:56] [INFO ] [Nat]Added 47 Read/Feed constraints in 10 ms returned sat
[2026-05-23 08:37:56] [INFO ] Computed and/alt/rep : 35/86/35 causal constraints (skipped 101 transitions) in 12 ms.
[2026-05-23 08:37:56] [INFO ] Added : 14 causal constraints over 3 iterations in 69 ms. Result :sat
Minimization took 210 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:56] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 08:37:56] [INFO ] [Real]Absence check using state equation in 92 ms returned sat
[2026-05-23 08:37:56] [INFO ] [Real]Added 47 Read/Feed constraints in 20 ms returned sat
[2026-05-23 08:37:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:56] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:37:56] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2026-05-23 08:37:56] [INFO ] [Nat]Added 47 Read/Feed constraints in 25 ms returned sat
[2026-05-23 08:37:56] [INFO ] Computed and/alt/rep : 35/86/35 causal constraints (skipped 101 transitions) in 21 ms.
[2026-05-23 08:37:56] [INFO ] Added : 10 causal constraints over 2 iterations in 109 ms. Result :sat
Minimization took 114 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:57] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:37:57] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2026-05-23 08:37:57] [INFO ] [Real]Added 47 Read/Feed constraints in 20 ms returned sat
[2026-05-23 08:37:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:37:57] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-23 08:37:57] [INFO ] [Nat]Absence check using state equation in 85 ms returned sat
[2026-05-23 08:37:57] [INFO ] [Nat]Added 47 Read/Feed constraints in 17 ms returned sat
[2026-05-23 08:37:57] [INFO ] Computed and/alt/rep : 35/86/35 causal constraints (skipped 101 transitions) in 17 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:37:57] [INFO ] Deduced a trap composed of 13 places in 136 ms of which 6 ms to minimize.
[2026-05-23 08:37:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 173 ms
[2026-05-23 08:37:57] [INFO ] Added : 10 causal constraints over 4 iterations in 295 ms. Result :sat
Minimization took 210 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0] Max Struct:[5, 5, 1042, 5]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0] Max Struct:[5, 5, 1042, 5]
Support contains 4 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 137/137 transitions.
Applied a total of 0 rules in 16 ms. Remains 101 /101 variables (removed 0) and now considering 137/137 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 101/101 places, 137/137 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 137/137 transitions.
Applied a total of 0 rules in 11 ms. Remains 101 /101 variables (removed 0) and now considering 137/137 (removed 0) transitions.
[2026-05-23 08:37:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:37:58] [INFO ] Implicit Places using invariants in 175 ms returned []
[2026-05-23 08:37:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:37:58] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-23 08:37:58] [INFO ] Implicit Places using invariants and state equation in 725 ms returned []
Implicit Place search using SMT with State Equation took 902 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:37:58] [INFO ] Redundant transitions in 7 ms returned []
Running 136 sub problems to find dead transitions.
[2026-05-23 08:37:59] [INFO ] Invariant cache hit.
[2026-05-23 08:37:59] [INFO ] State equation strengthened by 47 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (OVERLAPS) 1/101 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/101 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (OVERLAPS) 137/238 variables, 101/103 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/238 variables, 47/150 constraints. Problems are: Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:38:04] [INFO ] Deduced a trap composed of 12 places in 120 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 1/151 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/238 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (OVERLAPS) 0/238 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 151 constraints, problems are : Problem set: 0 solved, 136 unsolved in 12137 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 101/101 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 136 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 3 (OVERLAPS) 1/101 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 5 (OVERLAPS) 137/238 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/238 variables, 47/151 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/238 variables, 136/287 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/238 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 136 unsolved
At refinement iteration 9 (OVERLAPS) 0/238 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 136 unsolved
No progress, stopping.
After SMT solving in domain Int declared 238/238 variables, and 287 constraints, problems are : Problem set: 0 solved, 136 unsolved in 29009 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 101/101 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 136/136 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41613ms problems are : Problem set: 0 solved, 136 unsolved
Search for dead transitions found 0 dead transitions in 41629ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42577 ms. Remains : 101/101 places, 137/137 transitions.
RANDOM walk for 40000 steps (9221 resets) in 1268 ms. (31 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (3999 resets) in 506 ms. (78 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (3859 resets) in 248 ms. (160 steps per ms) remains 8/8 properties
[2026-05-23 08:38:41] [INFO ] Flatten gal took : 160 ms
BEST_FIRST walk for 40002 steps (3944 resets) in 232 ms. (171 steps per ms) remains 8/8 properties
[2026-05-23 08:38:41] [INFO ] Flatten gal took : 80 ms
BEST_FIRST walk for 40002 steps (3898 resets) in 212 ms. (187 steps per ms) remains 8/8 properties
[2026-05-23 08:38:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12706936939635320001.gal : 20 ms
[2026-05-23 08:38:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7059149674326787502.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12706936939635320001.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7059149674326787502.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40003 steps (3913 resets) in 159 ms. (250 steps per ms) remains 8/8 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40001 steps (3970 resets) in 161 ms. (246 steps per ms) remains 8/8 properties
Loading property file /tmp/ReachabilityCardinality7059149674326787502.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 26
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :26 after 58
BEST_FIRST walk for 40004 steps (3954 resets) in 181 ms. (219 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :58 after 90
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :90 after 154
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :154 after 236
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :236 after 466
BEST_FIRST walk for 40002 steps (3894 resets) in 277 ms. (143 steps per ms) remains 8/8 properties
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :466 after 1456
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :1456 after 2666
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :2666 after 8470
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :8470 after 34676
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :34676 after 59508
Probably explored full state space saw : 169662 states, properties seen :4
Probabilistic random walk after 452433 steps, saw 169662 distinct states, run finished after 2514 ms. (steps per millisecond=179 ) properties seen :4
Invariant property MIN3 does not hold.
Invariant property MIN2 does not hold.
Invariant property MIN1 does not hold.
Invariant property MIN0 does not hold.
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :59508 after 147843
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,170012,4.07212,89124,2,13013,22,249922,10,0,547,265805,0
Total reachable state count : 170012

Verifying 8 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
MAX0,0,4.07692,89124,1,0,22,249922,10,0,548,265805,0
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
MIN0,6,4.07811,89124,2,103,22,249922,11,0,550,265805,0
Reachability property MAX1 does not hold.
No reachable states exhibit your property : MAX1

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX1,0,4.07831,89124,1,0,22,249922,11,0,550,265805,0
Invariant property MIN1 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
MIN1,11686,4.08,89124,2,4206,22,249922,12,0,552,265805,0
Reachability property MAX2 does not hold.
No reachable states exhibit your property : MAX2

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX2,0,4.08337,89124,1,0,22,249922,12,0,552,265805,0
Invariant property MIN2 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
MIN2,36,4.08412,89124,2,132,22,249922,13,0,554,265805,0
Reachability property MAX3 does not hold.
No reachable states exhibit your property : MAX3

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX3,0,4.08448,89124,1,0,22,249922,13,0,554,265805,0
Invariant property MIN3 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
MIN3,4867,4.08572,89124,2,3190,22,249922,14,0,556,265805,0
Explored full state space saw : 170012 states, properties seen :0
Exhaustive walk after 453514 steps, saw 170012 distinct states, run finished after 1916 ms. (steps per millisecond=236 ) properties seen :0
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0, 0, 0, 0] Max Struct:[5, 5, 1042, 5]
Starting property specific reduction for DBSingleClientW-PT-d1m05-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[5]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[5]
[2026-05-23 08:38:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[5]
RANDOM walk for 10000 steps (2290 resets) in 18 ms. (526 steps per ms)
BEST_FIRST walk for 10001 steps (966 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[5]
[2026-05-23 08:38:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:38:46] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:38:46] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2026-05-23 08:38:46] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-23 08:38:46] [INFO ] [Real]Added 47 Read/Feed constraints in 16 ms returned sat
[2026-05-23 08:38:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:38:46] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:38:46] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2026-05-23 08:38:46] [INFO ] [Nat]Added 47 Read/Feed constraints in 12 ms returned sat
[2026-05-23 08:38:46] [INFO ] Computed and/alt/rep : 35/86/35 causal constraints (skipped 101 transitions) in 18 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:38:46] [INFO ] Deduced a trap composed of 12 places in 83 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:38:46] [INFO ] Deduced a trap composed of 13 places in 84 ms of which 7 ms to minimize.
[2026-05-23 08:38:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 219 ms
[2026-05-23 08:38:46] [INFO ] Added : 16 causal constraints over 5 iterations in 394 ms. Result :sat
Minimization took 106 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[5]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[5]
Support contains 1 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 137/137 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 98 transition count 130
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 98 transition count 130
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 98 transition count 129
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 9 place count 96 transition count 127
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 96 transition count 127
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 13 place count 94 transition count 122
Iterating global reduction 1 with 2 rules applied. Total rules applied 15 place count 94 transition count 122
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 17 place count 92 transition count 119
Iterating global reduction 1 with 2 rules applied. Total rules applied 19 place count 92 transition count 119
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 21 place count 90 transition count 117
Iterating global reduction 1 with 2 rules applied. Total rules applied 23 place count 90 transition count 117
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 25 place count 90 transition count 115
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 26 place count 89 transition count 114
Iterating global reduction 2 with 1 rules applied. Total rules applied 27 place count 89 transition count 114
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 28 place count 89 transition count 113
Applied a total of 28 rules in 40 ms. Remains 89 /101 variables (removed 12) and now considering 113/137 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 89/101 places, 113/137 transitions.
// Phase 1: matrix 113 rows 89 cols
[2026-05-23 08:38:47] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[5]
RANDOM walk for 1000000 steps (229269 resets) in 1627 ms. (614 steps per ms)
BEST_FIRST walk for 1000000 steps (98853 resets) in 698 ms. (1430 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[5]
[2026-05-23 08:38:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:38:49] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:38:49] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-23 08:38:49] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-23 08:38:49] [INFO ] [Real]Added 37 Read/Feed constraints in 11 ms returned sat
[2026-05-23 08:38:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:38:49] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:38:49] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2026-05-23 08:38:49] [INFO ] [Nat]Added 37 Read/Feed constraints in 10 ms returned sat
[2026-05-23 08:38:49] [INFO ] Computed and/alt/rep : 31/67/31 causal constraints (skipped 81 transitions) in 12 ms.
[2026-05-23 08:38:49] [INFO ] Added : 9 causal constraints over 2 iterations in 45 ms. Result :sat
Minimization took 50 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[5]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[5]
Support contains 1 out of 89 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 113/113 transitions.
Applied a total of 0 rules in 5 ms. Remains 89 /89 variables (removed 0) and now considering 113/113 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 89/89 places, 113/113 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 89/89 places, 113/113 transitions.
Applied a total of 0 rules in 5 ms. Remains 89 /89 variables (removed 0) and now considering 113/113 (removed 0) transitions.
[2026-05-23 08:38:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:38:49] [INFO ] Implicit Places using invariants in 111 ms returned []
[2026-05-23 08:38:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:38:49] [INFO ] State equation strengthened by 37 read => feed constraints.
[2026-05-23 08:38:50] [INFO ] Implicit Places using invariants and state equation in 503 ms returned []
Implicit Place search using SMT with State Equation took 617 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:38:50] [INFO ] Redundant transitions in 5 ms returned []
Running 112 sub problems to find dead transitions.
[2026-05-23 08:38:50] [INFO ] Invariant cache hit.
[2026-05-23 08:38:50] [INFO ] State equation strengthened by 37 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 2 (OVERLAPS) 1/89 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 4 (OVERLAPS) 113/202 variables, 89/91 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/202 variables, 37/128 constraints. Problems are: Problem set: 0 solved, 112 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:38:54] [INFO ] Deduced a trap composed of 10 places in 113 ms of which 12 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 1/129 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 112 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:38:58] [INFO ] Deduced a trap composed of 11 places in 105 ms of which 10 ms to minimize.
At refinement iteration 8 (OVERLAPS) 0/202 variables, 1/130 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/202 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 10 (OVERLAPS) 0/202 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 112 unsolved
No progress, stopping.
After SMT solving in domain Real declared 202/202 variables, and 130 constraints, problems are : Problem set: 0 solved, 112 unsolved in 13102 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 89/89 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 112/112 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 112 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/88 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 3 (OVERLAPS) 1/89 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/89 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 5 (OVERLAPS) 113/202 variables, 89/93 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/202 variables, 37/130 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/202 variables, 112/242 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/202 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 112 unsolved
At refinement iteration 9 (OVERLAPS) 0/202 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 112 unsolved
No progress, stopping.
After SMT solving in domain Int declared 202/202 variables, and 242 constraints, problems are : Problem set: 0 solved, 112 unsolved in 21996 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 89/89 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 112/112 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 35287ms problems are : Problem set: 0 solved, 112 unsolved
Search for dead transitions found 0 dead transitions in 35288ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35927 ms. Remains : 89/89 places, 113/113 transitions.
[2026-05-23 08:39:25] [INFO ] Flatten gal took : 40 ms
[2026-05-23 08:39:25] [INFO ] Flatten gal took : 47 ms
[2026-05-23 08:39:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11953118001637863573.gal : 19 ms
[2026-05-23 08:39:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1898620097373261681.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11953118001637863573.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1898620097373261681.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (9190 resets) in 319 ms. (125 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality1898620097373261681.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 7
BEST_FIRST walk for 40003 steps (3913 resets) in 130 ms. (305 steps per ms) remains 2/2 properties
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 90
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :90 after 154
BEST_FIRST walk for 40003 steps (3842 resets) in 141 ms. (281 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :154 after 264
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :264 after 790
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :790 after 1596
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1596 after 4443
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4443 after 19296
Probably explored full state space saw : 75654 states, properties seen :1
Probabilistic random walk after 190085 steps, saw 75654 distinct states, run finished after 322 ms. (steps per millisecond=590 ) properties seen :1
Explored full state space saw : 75920 states, properties seen :0
Exhaustive walk after 190763 steps, saw 75920 distinct states, run finished after 211 ms. (steps per millisecond=904 ) properties seen :0
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[5]
Ending property specific reduction for DBSingleClientW-PT-d1m05-UpperBounds-06 in 40285 ms.
Starting property specific reduction for DBSingleClientW-PT-d1m05-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[5]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[5]
// Phase 1: matrix 137 rows 101 cols
[2026-05-23 08:39:26] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[5]
RANDOM walk for 10000 steps (2279 resets) in 17 ms. (555 steps per ms)
BEST_FIRST walk for 10001 steps (945 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[5]
[2026-05-23 08:39:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:39:26] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:39:26] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2026-05-23 08:39:26] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-23 08:39:26] [INFO ] [Real]Added 47 Read/Feed constraints in 11 ms returned sat
[2026-05-23 08:39:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:39:26] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:39:26] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2026-05-23 08:39:26] [INFO ] [Nat]Added 47 Read/Feed constraints in 11 ms returned sat
[2026-05-23 08:39:26] [INFO ] Computed and/alt/rep : 35/86/35 causal constraints (skipped 101 transitions) in 12 ms.
[2026-05-23 08:39:26] [INFO ] Added : 14 causal constraints over 3 iterations in 69 ms. Result :sat
Minimization took 182 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[5]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[5]
Support contains 1 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 137/137 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 98 transition count 134
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 98 transition count 134
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 98 transition count 133
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 9 place count 96 transition count 131
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 96 transition count 131
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 13 place count 94 transition count 124
Iterating global reduction 1 with 2 rules applied. Total rules applied 15 place count 94 transition count 124
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 17 place count 92 transition count 122
Iterating global reduction 1 with 2 rules applied. Total rules applied 19 place count 92 transition count 122
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 21 place count 90 transition count 120
Iterating global reduction 1 with 2 rules applied. Total rules applied 23 place count 90 transition count 120
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 25 place count 90 transition count 118
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 26 place count 89 transition count 117
Iterating global reduction 2 with 1 rules applied. Total rules applied 27 place count 89 transition count 117
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 28 place count 88 transition count 111
Iterating global reduction 2 with 1 rules applied. Total rules applied 29 place count 88 transition count 111
Applied a total of 29 rules in 34 ms. Remains 88 /101 variables (removed 13) and now considering 111/137 (removed 26) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 88/101 places, 111/137 transitions.
// Phase 1: matrix 111 rows 88 cols
[2026-05-23 08:39:26] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[5]
RANDOM walk for 1000000 steps (229812 resets) in 1631 ms. (612 steps per ms)
BEST_FIRST walk for 1000001 steps (98945 resets) in 599 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[5]
[2026-05-23 08:39:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:39:29] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:39:29] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-23 08:39:29] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-23 08:39:29] [INFO ] [Real]Added 36 Read/Feed constraints in 7 ms returned sat
[2026-05-23 08:39:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:39:29] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:39:29] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2026-05-23 08:39:29] [INFO ] [Nat]Added 36 Read/Feed constraints in 8 ms returned sat
[2026-05-23 08:39:29] [INFO ] Computed and/alt/rep : 31/67/31 causal constraints (skipped 79 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:39:29] [INFO ] Deduced a trap composed of 11 places in 82 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:39:29] [INFO ] Deduced a trap composed of 11 places in 74 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:39:29] [INFO ] Deduced a trap composed of 12 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:39:29] [INFO ] Deduced a trap composed of 13 places in 71 ms of which 4 ms to minimize.
[2026-05-23 08:39:29] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 409 ms
[2026-05-23 08:39:29] [INFO ] Added : 14 causal constraints over 3 iterations in 500 ms. Result :sat
Minimization took 138 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[5]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[5]
Support contains 1 out of 88 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 111/111 transitions.
Applied a total of 0 rules in 6 ms. Remains 88 /88 variables (removed 0) and now considering 111/111 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 88/88 places, 111/111 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 88/88 places, 111/111 transitions.
Applied a total of 0 rules in 6 ms. Remains 88 /88 variables (removed 0) and now considering 111/111 (removed 0) transitions.
[2026-05-23 08:39:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:39:30] [INFO ] Implicit Places using invariants in 141 ms returned []
[2026-05-23 08:39:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:39:30] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-23 08:39:30] [INFO ] Implicit Places using invariants and state equation in 443 ms returned []
Implicit Place search using SMT with State Equation took 598 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:39:30] [INFO ] Redundant transitions in 5 ms returned []
Running 110 sub problems to find dead transitions.
[2026-05-23 08:39:30] [INFO ] Invariant cache hit.
[2026-05-23 08:39:30] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 2 (OVERLAPS) 1/88 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/88 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 4 (OVERLAPS) 111/199 variables, 88/90 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/199 variables, 36/126 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/199 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 110 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:39:36] [INFO ] Deduced a trap composed of 11 places in 101 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:39:36] [INFO ] Deduced a trap composed of 11 places in 121 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:39:37] [INFO ] Deduced a trap composed of 11 places in 109 ms of which 12 ms to minimize.
At refinement iteration 7 (OVERLAPS) 0/199 variables, 3/129 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 9 (OVERLAPS) 0/199 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 110 unsolved
No progress, stopping.
After SMT solving in domain Real declared 199/199 variables, and 129 constraints, problems are : Problem set: 0 solved, 110 unsolved in 11871 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 88/88 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 110/110 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 110 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/87 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/87 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 3 (OVERLAPS) 1/88 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 5 (OVERLAPS) 111/199 variables, 88/93 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/199 variables, 36/129 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/199 variables, 110/239 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/199 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 110 unsolved
At refinement iteration 9 (OVERLAPS) 0/199 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 110 unsolved
No progress, stopping.
After SMT solving in domain Int declared 199/199 variables, and 239 constraints, problems are : Problem set: 0 solved, 110 unsolved in 30012 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 88/88 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 110/110 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41976ms problems are : Problem set: 0 solved, 110 unsolved
Search for dead transitions found 0 dead transitions in 41977ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42596 ms. Remains : 88/88 places, 111/111 transitions.
[2026-05-23 08:40:12] [INFO ] Flatten gal took : 13 ms
[2026-05-23 08:40:12] [INFO ] Flatten gal took : 12 ms
[2026-05-23 08:40:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15872575272055756212.gal : 3 ms
[2026-05-23 08:40:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11784758208376655769.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15872575272055756212.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11784758208376655769.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality11784758208376655769.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 90
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :90 after 154
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :154 after 236
RANDOM walk for 40000 steps (9182 resets) in 195 ms. (204 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :236 after 454
BEST_FIRST walk for 40002 steps (3913 resets) in 56 ms. (701 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3960 resets) in 55 ms. (714 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :454 after 1306
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1306 after 3852
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3852 after 10780
Probably explored full state space saw : 93029 states, properties seen :1
Probabilistic random walk after 237345 steps, saw 93029 distinct states, run finished after 389 ms. (steps per millisecond=610 ) properties seen :1
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :10780 after 30467
Explored full state space saw : 93535 states, properties seen :0
Exhaustive walk after 238486 steps, saw 93535 distinct states, run finished after 250 ms. (steps per millisecond=953 ) properties seen :0
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[5]
Ending property specific reduction for DBSingleClientW-PT-d1m05-UpperBounds-10 in 47063 ms.
Starting property specific reduction for DBSingleClientW-PT-d1m05-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1042]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1042]
// Phase 1: matrix 137 rows 101 cols
[2026-05-23 08:40:13] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1042]
RANDOM walk for 10000 steps (2318 resets) in 16 ms. (588 steps per ms)
BEST_FIRST walk for 10001 steps (1015 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1042]
[2026-05-23 08:40:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:40:13] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:40:13] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2026-05-23 08:40:13] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-23 08:40:13] [INFO ] [Real]Added 47 Read/Feed constraints in 13 ms returned sat
[2026-05-23 08:40:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:40:13] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:40:13] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2026-05-23 08:40:13] [INFO ] [Nat]Added 47 Read/Feed constraints in 16 ms returned sat
[2026-05-23 08:40:13] [INFO ] Computed and/alt/rep : 35/86/35 causal constraints (skipped 101 transitions) in 11 ms.
[2026-05-23 08:40:13] [INFO ] Added : 10 causal constraints over 2 iterations in 61 ms. Result :sat
Minimization took 67 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1042]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1042]
Support contains 1 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 137/137 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 98 transition count 130
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 98 transition count 130
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 9 place count 95 transition count 127
Iterating global reduction 0 with 3 rules applied. Total rules applied 12 place count 95 transition count 127
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 15 place count 92 transition count 119
Iterating global reduction 0 with 3 rules applied. Total rules applied 18 place count 92 transition count 119
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 21 place count 89 transition count 115
Iterating global reduction 0 with 3 rules applied. Total rules applied 24 place count 89 transition count 115
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 27 place count 86 transition count 112
Iterating global reduction 0 with 3 rules applied. Total rules applied 30 place count 86 transition count 112
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 32 place count 86 transition count 110
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 34 place count 84 transition count 108
Iterating global reduction 1 with 2 rules applied. Total rules applied 36 place count 84 transition count 108
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 37 place count 84 transition count 107
Applied a total of 37 rules in 17 ms. Remains 84 /101 variables (removed 17) and now considering 107/137 (removed 30) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 84/101 places, 107/137 transitions.
// Phase 1: matrix 107 rows 84 cols
[2026-05-23 08:40:13] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1042]
RANDOM walk for 1000000 steps (229760 resets) in 1453 ms. (687 steps per ms)
BEST_FIRST walk for 1000001 steps (98879 resets) in 767 ms. (1302 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1042]
[2026-05-23 08:40:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:40:16] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:40:16] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2026-05-23 08:40:16] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-23 08:40:16] [INFO ] [Real]Added 36 Read/Feed constraints in 16 ms returned sat
[2026-05-23 08:40:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:40:16] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:40:16] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2026-05-23 08:40:16] [INFO ] [Nat]Added 36 Read/Feed constraints in 22 ms returned sat
[2026-05-23 08:40:16] [INFO ] Computed and/alt/rep : 29/63/29 causal constraints (skipped 77 transitions) in 13 ms.
[2026-05-23 08:40:16] [INFO ] Added : 11 causal constraints over 3 iterations in 73 ms. Result :sat
Minimization took 67 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1042]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1042]
Support contains 1 out of 84 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 107/107 transitions.
Applied a total of 0 rules in 5 ms. Remains 84 /84 variables (removed 0) and now considering 107/107 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 84/84 places, 107/107 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 107/107 transitions.
Applied a total of 0 rules in 4 ms. Remains 84 /84 variables (removed 0) and now considering 107/107 (removed 0) transitions.
[2026-05-23 08:40:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:40:16] [INFO ] Implicit Places using invariants in 141 ms returned []
[2026-05-23 08:40:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:40:16] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-23 08:40:17] [INFO ] Implicit Places using invariants and state equation in 363 ms returned []
Implicit Place search using SMT with State Equation took 507 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:40:17] [INFO ] Redundant transitions in 4 ms returned []
Running 106 sub problems to find dead transitions.
[2026-05-23 08:40:17] [INFO ] Invariant cache hit.
[2026-05-23 08:40:17] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (OVERLAPS) 1/84 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/84 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (OVERLAPS) 107/191 variables, 84/86 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 36/122 constraints. Problems are: Problem set: 0 solved, 106 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 7 (OVERLAPS) 0/191 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 122 constraints, problems are : Problem set: 0 solved, 106 unsolved in 4407 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 84/84 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 106 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (OVERLAPS) 1/84 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/84 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (OVERLAPS) 107/191 variables, 84/86 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 36/122 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 106/228 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 228 constraints, problems are : Problem set: 0 solved, 106 unsolved in 30012 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 84/84 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 34506ms problems are : Problem set: 0 solved, 106 unsolved
Search for dead transitions found 0 dead transitions in 34508ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35032 ms. Remains : 84/84 places, 107/107 transitions.
[2026-05-23 08:40:51] [INFO ] Flatten gal took : 28 ms
[2026-05-23 08:40:51] [INFO ] Flatten gal took : 14 ms
[2026-05-23 08:40:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality54698591735259297.gal : 3 ms
[2026-05-23 08:40:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13849257285820140833.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality54698591735259297.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13849257285820140833.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
RANDOM walk for 40000 steps (9198 resets) in 180 ms. (220 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality13849257285820140833.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
BEST_FIRST walk for 40003 steps (4026 resets) in 103 ms. (384 steps per ms) remains 2/2 properties
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 92
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :92 after 156
BEST_FIRST walk for 40002 steps (3912 resets) in 107 ms. (370 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :156 after 290
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :290 after 864
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :864 after 1531
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1531 after 4345
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4345 after 19100
Probably explored full state space saw : 63761 states, properties seen :1
Probabilistic random walk after 158413 steps, saw 63761 distinct states, run finished after 205 ms. (steps per millisecond=772 ) properties seen :1
Explored full state space saw : 63933 states, properties seen :0
Exhaustive walk after 158735 steps, saw 63933 distinct states, run finished after 156 ms. (steps per millisecond=1017 ) properties seen :0
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1042]
Ending property specific reduction for DBSingleClientW-PT-d1m05-UpperBounds-12 in 38701 ms.
Starting property specific reduction for DBSingleClientW-PT-d1m05-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[5]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[5]
// Phase 1: matrix 137 rows 101 cols
[2026-05-23 08:40:52] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[5]
RANDOM walk for 10000 steps (2290 resets) in 18 ms. (526 steps per ms)
BEST_FIRST walk for 10001 steps (1000 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[5]
[2026-05-23 08:40:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:40:52] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:40:52] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-23 08:40:52] [INFO ] State equation strengthened by 47 read => feed constraints.
[2026-05-23 08:40:52] [INFO ] [Real]Added 47 Read/Feed constraints in 13 ms returned sat
[2026-05-23 08:40:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 08:40:52] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:40:52] [INFO ] [Nat]Absence check using state equation in 56 ms returned sat
[2026-05-23 08:40:52] [INFO ] [Nat]Added 47 Read/Feed constraints in 12 ms returned sat
[2026-05-23 08:40:52] [INFO ] Computed and/alt/rep : 35/86/35 causal constraints (skipped 101 transitions) in 12 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:40:52] [INFO ] Deduced a trap composed of 13 places in 89 ms of which 5 ms to minimize.
[2026-05-23 08:40:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 115 ms
[2026-05-23 08:40:52] [INFO ] Added : 10 causal constraints over 4 iterations in 200 ms. Result :sat
Minimization took 141 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[5]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[5]
Support contains 1 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 137/137 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 98 transition count 130
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 98 transition count 130
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 7 place count 98 transition count 129
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 9 place count 96 transition count 127
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 96 transition count 127
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 13 place count 94 transition count 123
Iterating global reduction 1 with 2 rules applied. Total rules applied 15 place count 94 transition count 123
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 17 place count 92 transition count 120
Iterating global reduction 1 with 2 rules applied. Total rules applied 19 place count 92 transition count 120
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 21 place count 90 transition count 118
Iterating global reduction 1 with 2 rules applied. Total rules applied 23 place count 90 transition count 118
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 25 place count 88 transition count 116
Iterating global reduction 1 with 2 rules applied. Total rules applied 27 place count 88 transition count 116
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 28 place count 88 transition count 115
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 29 place count 87 transition count 109
Iterating global reduction 2 with 1 rules applied. Total rules applied 30 place count 87 transition count 109
Applied a total of 30 rules in 16 ms. Remains 87 /101 variables (removed 14) and now considering 109/137 (removed 28) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 87/101 places, 109/137 transitions.
// Phase 1: matrix 109 rows 87 cols
[2026-05-23 08:40:52] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[5]
RANDOM walk for 1000000 steps (229604 resets) in 1425 ms. (701 steps per ms)
BEST_FIRST walk for 1000001 steps (98452 resets) in 571 ms. (1748 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[5]
[2026-05-23 08:40:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:40:54] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-23 08:40:54] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2026-05-23 08:40:54] [INFO ] State equation strengthened by 31 read => feed constraints.
[2026-05-23 08:40:54] [INFO ] [Real]Added 31 Read/Feed constraints in 9 ms returned sat
[2026-05-23 08:40:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-23 08:40:54] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-23 08:40:55] [INFO ] [Nat]Absence check using state equation in 61 ms returned sat
[2026-05-23 08:40:55] [INFO ] [Nat]Added 31 Read/Feed constraints in 13 ms returned sat
[2026-05-23 08:40:55] [INFO ] Computed and/alt/rep : 31/72/31 causal constraints (skipped 77 transitions) in 13 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 08:40:55] [INFO ] Deduced a trap composed of 11 places in 100 ms of which 5 ms to minimize.
[2026-05-23 08:40:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 121 ms
[2026-05-23 08:40:55] [INFO ] Added : 11 causal constraints over 3 iterations in 223 ms. Result :sat
Minimization took 171 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[5]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[5]
Support contains 1 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 109/109 transitions.
Applied a total of 0 rules in 7 ms. Remains 87 /87 variables (removed 0) and now considering 109/109 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 87/87 places, 109/109 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 109/109 transitions.
Applied a total of 0 rules in 4 ms. Remains 87 /87 variables (removed 0) and now considering 109/109 (removed 0) transitions.
[2026-05-23 08:40:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:40:55] [INFO ] Implicit Places using invariants in 147 ms returned []
[2026-05-23 08:40:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:40:55] [INFO ] State equation strengthened by 31 read => feed constraints.
[2026-05-23 08:40:56] [INFO ] Implicit Places using invariants and state equation in 408 ms returned []
Implicit Place search using SMT with State Equation took 558 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 08:40:56] [INFO ] Redundant transitions in 4 ms returned []
Running 108 sub problems to find dead transitions.
[2026-05-23 08:40:56] [INFO ] Invariant cache hit.
[2026-05-23 08:40:56] [INFO ] State equation strengthened by 31 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (OVERLAPS) 1/87 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (OVERLAPS) 109/196 variables, 87/89 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 31/120 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (OVERLAPS) 0/196 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 120 constraints, problems are : Problem set: 0 solved, 108 unsolved in 6497 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 108 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (OVERLAPS) 1/87 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (OVERLAPS) 109/196 variables, 87/89 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 31/120 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 108/228 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (OVERLAPS) 0/196 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Int declared 196/196 variables, and 228 constraints, problems are : Problem set: 0 solved, 108 unsolved in 29984 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 87/87 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 36546ms problems are : Problem set: 0 solved, 108 unsolved
Search for dead transitions found 0 dead transitions in 36547ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37123 ms. Remains : 87/87 places, 109/109 transitions.
[2026-05-23 08:41:32] [INFO ] Flatten gal took : 28 ms
[2026-05-23 08:41:32] [INFO ] Flatten gal took : 19 ms
[2026-05-23 08:41:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality584678016662435957.gal : 5 ms
[2026-05-23 08:41:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13857870135071257495.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality584678016662435957.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13857870135071257495.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40000 steps (9109 resets) in 244 ms. (163 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality13857870135071257495.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 90
BEST_FIRST walk for 40003 steps (3867 resets) in 132 ms. (300 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :90 after 178
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :178 after 394
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :394 after 860
BEST_FIRST walk for 40004 steps (3980 resets) in 102 ms. (388 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :860 after 1907
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1907 after 4691
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :4691 after 10195
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :10195 after 25124
Probably explored full state space saw : 90657 states, properties seen :1
Probabilistic random walk after 227062 steps, saw 90657 distinct states, run finished after 457 ms. (steps per millisecond=496 ) properties seen :1
Explored full state space saw : 91286 states, properties seen :0
Exhaustive walk after 228624 steps, saw 91286 distinct states, run finished after 376 ms. (steps per millisecond=608 ) properties seen :0
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[5]
Ending property specific reduction for DBSingleClientW-PT-d1m05-UpperBounds-14 in 41436 ms.
[2026-05-23 08:41:33] [INFO ] Flatten gal took : 19 ms
[2026-05-23 08:41:33] [INFO ] Applying decomposition
[2026-05-23 08:41:33] [INFO ] Flatten gal took : 18 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph5222023415241516116.txt' '-o' '/tmp/graph5222023415241516116.bin' '-w' '/tmp/graph5222023415241516116.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5222023415241516116.bin' '-l' '-1' '-v' '-w' '/tmp/graph5222023415241516116.weights' '-q' '0' '-e' '0.001'
[2026-05-23 08:41:33] [INFO ] Decomposing Gal with order
[2026-05-23 08:41:33] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 08:41:33] [INFO ] Removed a total of 144 redundant transitions.
[2026-05-23 08:41:34] [INFO ] Flatten gal took : 111 ms
[2026-05-23 08:41:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 103 labels/synchronizations in 26 ms.
[2026-05-23 08:41:34] [INFO ] Time to serialize gal into /tmp/UpperBounds5511297569944986742.gal : 9 ms
[2026-05-23 08:41:34] [INFO ] Time to serialize properties into /tmp/UpperBounds12299878769038839143.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds5511297569944986742.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds12299878769038839143.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds12299878769038839143.prop.
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\_mod\_flat,170012,0.976593,28692,1205,808,28091,7668,406,139051,156,44715,0
Total reachable state count : 170012

Verifying 4 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d1m05-UpperBounds-06 :0 <= i1.u8.l460 <= 1
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-06 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d1m05-UpperBounds-06,0,1.01318,28692,1,0,28091,7668,507,139051,182,44715,861
Min sum of variable value : 0
Maximum sum along a path : 2
Bounds property DBSingleClientW-PT-d1m05-UpperBounds-10 :0 <= i6.u18.l1282 <= 2
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-10 2 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d1m05-UpperBounds-10,0,1.02056,28692,1,0,28091,7668,541,139051,183,44715,1196
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property DBSingleClientW-PT-d1m05-UpperBounds-12 :0 <= i1.u5.l312 <= 1
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-12 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d1m05-UpperBounds-12,0,1.02081,28692,1,0,28091,7668,559,139051,188,44715,1233
Min sum of variable value : 0
Maximum sum along a path : 2
Bounds property DBSingleClientW-PT-d1m05-UpperBounds-14 :0 <= i6.u16.l1239 <= 2
FORMULA DBSingleClientW-PT-d1m05-UpperBounds-14 2 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d1m05-UpperBounds-14,0,1.02553,28692,1,0,28091,7668,582,139051,194,44715,1489
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 270492 ms.

BK_STOP 1779525695162

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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-d1m05"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is DBSingleClientW-PT-d1m05, 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 r095-smll-177946996300019"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d1m05.tgz
mv DBSingleClientW-PT-d1m05 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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;